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Ji J, Mu Y, Ma S, Xu S, Mu X. Remediation on antimony-contaminated soil from mine area using zero-valent-iron doped biochar and their effect on the bioavailability of antimony. CHEMOSPHERE 2024; 363:143015. [PMID: 39103103 DOI: 10.1016/j.chemosphere.2024.143015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/16/2024] [Accepted: 08/02/2024] [Indexed: 08/07/2024]
Abstract
Due to the bioavailability and movement of antimony in trophic web, the overexploitation of antimony mine resulted in antimony contamination that harmed the ecology nearby, raising concerns for public health. Whereas, most researches focused on the removal of antimony in the aqueous instead of the immobilization of antimony in the soil. Herein, the immobilized performance of biochar (BC) loaded with nano zero-valent iron (nZVI-BC) on antimony in the soil near the smelting area was researched through pot experiments for the first time, and its stabilization mechanism on antimony was investigated by valent state variation of antimony. The results demonstrated that BC restricted the cation exchange capacity and catalase activity in the soil, while nZVI-BC had a favorable and negative impact on two variables, respectively. The nZVI-BC showed more stable immobilization capacity on antimony over time than BC, whose exchangeable speciation only marginally rose (2%-6%), although the exchangeable speciation of antimony fell both from 15% to 2% after adding the BC and nZVI-BC, The electron attraction force between nZVI-BC and antimony was also intensified owing to the oxidation-reduction process, which was considered as the stabilizing principle of nZVI-BC on antimony in soil. Furthermore, the decreased bioaccumulation factor for the perennial ryegrass (0.46-0.21) and Galinsoga parviflora Cav. (0.26-0.17) stated that the BC effectively mitigated the bioaccumulation risk of antimony.
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Affiliation(s)
- Jianghao Ji
- Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China; Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Yizhen Mu
- Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; College of Resources and Environmental Engineering, Guizhou University, Guizhou, 550025, Guiyang, China
| | - Siyi Ma
- Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; College of Resources and Environmental Engineering, Guizhou University, Guizhou, 550025, Guiyang, China
| | - Siqin Xu
- Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; College of Resources and Environmental Engineering, Guizhou University, Guizhou, 550025, Guiyang, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China.
| | - Xiaoying Mu
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
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2
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Ahmed T, Shou L, Guo J, Noman M, Qi Y, Yao Y, Masood HA, Rizwan M, Ali MA, Ali HM, Li B, Qi X. Modulation of rhizosphere microbial community and metabolites by bio-functionalized nanoscale silicon oxide alleviates cadmium-induced phytotoxicity in bayberry plants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 933:173068. [PMID: 38723965 DOI: 10.1016/j.scitotenv.2024.173068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/02/2024] [Accepted: 05/06/2024] [Indexed: 05/16/2024]
Abstract
Cadmium (Cd) is an extremely toxic heavy metal that can originate from industrial activities and accumulate in agricultural soils. This study investigates the potential of biologically synthesized silicon oxide nanoparticles (Bio-SiNPs) in alleviating Cd toxicity in bayberry plants. Bio-SiNPs were synthesized using the bacterial strain Chryseobacterium sp. RTN3 and thoroughly characterized using advanced techniques. A pot experiment results demonstrated that Cd stress substantially reduced leaves biomass, photosynthesis efficiency, antioxidant enzyme activity, and induced oxidative damage in bayberry (Myrica rubra) plants. However, Bio-SiNPs application at 200 mg kg-1 significantly enhanced plant biomass, chlorophyll content (26.4 %), net photosynthetic rate (8.6 %), antioxidant enzyme levels, and mitigated reactive oxygen species production under Cd stress. Bio-SiNPs modulated key stress-related phytohormones by increasing salicylic acid (13.2 %) and abscisic acid (13.7 %) contents in plants. Bio-SiNPs augmented Si deposition on root surfaces, preserving normal ultrastructure in leaf cells. Additionally, 16S rRNA gene sequencing demonstrated that Bio-SiNPs treatment favorably reshaped structure and abundance of specific bacterial groups (Proteobacteria, Actinobacteriota, and Acidobacteriota) in the rhizosphere. Notably, Bio-SiNPs application significantly modulated the key metabolites (phenylacetaldehyde, glycitein, maslinic acid and methylmalonic acid) under both normal and Cd stress conditions. Overall, this study highlights that bio-nanoremediation using Bio-SiNPs enhances tolerance to Cd stress in bayberry plants by beneficially modulating biochemical, microbial, and metabolic attributes.
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Affiliation(s)
- Temoor Ahmed
- Xianghu Laboratory, Hangzhou 311231, China; State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Linfei Shou
- Station for the Plant Protection & Quarantine and Control of Agrochemicals Zhejiang Province, Hangzhou 310004, China
| | - Junning Guo
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Muhammad Noman
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Yetong Qi
- Xianghu Laboratory, Hangzhou 311231, China
| | - Yanlai Yao
- Xianghu Laboratory, Hangzhou 311231, China; Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Hafiza Ayesha Masood
- Department of Plant Breeding and Genetics, University of Agriculture, 38000 Faisalabad, Pakistan; MEU Research Unit, Middle East University, Amman, Jordan
| | - Muhammad Rizwan
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Md Arshad Ali
- Biotechnology Programme, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
| | - Hayssam M Ali
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Bin Li
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China.
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3
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Zhang F, Zhang C, Zhang K, Wu L, Han D. One-Pot Preparation of Layered Double Hydroxide-Engineered Boric Acid Root and Application in Wastewater. Molecules 2024; 29:3204. [PMID: 38999156 PMCID: PMC11243716 DOI: 10.3390/molecules29133204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 06/25/2024] [Accepted: 07/03/2024] [Indexed: 07/14/2024] Open
Abstract
Heavy metals and organic pollutants are prevalent in water bodies, causing great damage to the environment and human beings. Hence, it is urgent to develop a kind of adsorbent with good performance. Anion interlacing layered double hydroxides (LDHs) are a promising adsorbent for the sustainable removal of heavy metal ions and dyes from wastewater. Using aluminum chloride, zinc chloride and ammonium pentaborate tetrahydrate (NH4B5O8 · 4H2O, BA) as raw materials, the LDHs complex (BA-LDHs) of B5O8- intercalation was prepared by one-step hydrothermal method. The BA-LDHs samples were characterized by a X-ray powder diffractometer (XRD), scanning electron microscope (SEM), Fourier transform infrared spectrometer (FT-IR) and the Brunauer-Emmett-Teller (BET) method. The results showed that B5O8- was successfully intercalated. Adsorption experimental results suggested that BA-LDHs possess a maximum adsorption capacity of 18.7, 57.5, 70.2, and 3.12 mg·g-1 for Cd(II), Cu(II), Cr(VI) and Methylene blue (MB) at Cs = 2 g·L-1, respectively. The adsorption experiment conforms to the Langmuir and Freundlich adsorption models, and the kinetic adsorption data are well fitted by the pseudo-second-order adsorption kinetic equation. The as-prepared BA-LDHs have potential application prospects in the removal of heavy metals and dyes in wastewater. More importantly, they also provide a strategy for preparing selective adsorbents.
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Affiliation(s)
- Fengrong Zhang
- School of Chemistry and Chemical Engineering, Heze University, Heze 274015, China
| | | | - Kaixuan Zhang
- School of Chemistry and Chemical Engineering, Heze University, Heze 274015, China
| | - Lishun Wu
- School of Chemistry and Chemical Engineering, Heze University, Heze 274015, China
| | - Dandan Han
- School of Chemistry and Chemical Engineering, Heze University, Heze 274015, China
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Luo Y, Zhang Y, Xiong Z, Chen X, Sha A, Xiao W, Peng L, Zou L, Han J, Li Q. Peptides Used for Heavy Metal Remediation: A Promising Approach. Int J Mol Sci 2024; 25:6717. [PMID: 38928423 PMCID: PMC11203628 DOI: 10.3390/ijms25126717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/28/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
In recent years, heavy metal pollution has become increasingly prominent, severely damaging ecosystems and biodiversity, and posing a serious threat to human health. However, the results of current methods for heavy metal restoration are not satisfactory, so it is urgent to find a new and effective method. Peptides are the units that make up proteins, with small molecular weights and strong biological activities. They can effectively repair proteins by forming complexes, reducing heavy metal ions, activating the plant's antioxidant defense system, and promoting the growth and metabolism of microorganisms. Peptides show great potential for the remediation of heavy metal contamination due to their special structure and properties. This paper reviews the research progress in recent years on the use of peptides to remediate heavy metal pollution, describes the mechanisms and applications of remediation, and provides references for the remediation of heavy metal pollution.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Jialiang Han
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu 610000, China; (Y.L.); (Y.Z.); (Z.X.); (X.C.); (A.S.); (W.X.); (L.P.); (L.Z.)
| | - Qiang Li
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu 610000, China; (Y.L.); (Y.Z.); (Z.X.); (X.C.); (A.S.); (W.X.); (L.P.); (L.Z.)
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5
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Ismail UM, Vohra MS, Onaizi SA. Adsorptive removal of heavy metals from aqueous solutions: Progress of adsorbents development and their effectiveness. ENVIRONMENTAL RESEARCH 2024; 251:118562. [PMID: 38447605 DOI: 10.1016/j.envres.2024.118562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/11/2024] [Accepted: 02/25/2024] [Indexed: 03/08/2024]
Abstract
Increased levels of heavy metals (HMs) in aquatic environments poses serious health and ecological concerns. Hence, several approaches have been proposed to eliminate/reduce the levels of HMs before the discharge/reuse of HMs-contaminated waters. Adsorption is one of the most attractive processes for water decontamination; however, the efficiency of this process greatly depends on the choice of adsorbent. Therefore, the key aim of this article is to review the progress in the development and application of different classes of conventional and emerging adsorbents for the abatement of HMs from contaminated waters. Adsorbents that are based on activated carbon, natural materials, microbial, clay minerals, layered double hydroxides (LDHs), nano-zerovalent iron (nZVI), graphene, carbon nanotubes (CNTs), metal organic frameworks (MOFs), and zeolitic imidazolate frameworks (ZIFs) are critically reviewed, with more emphasis on the last four adsorbents and their nanocomposites since they have the potential to significantly boost the HMs removal efficiency from contaminated waters. Furthermore, the optimal process conditions to achieve efficient performance are discussed. Additionally, adsorption isotherm, kinetics, thermodynamics, mechanisms, and effects of varying adsorption process parameters have been introduced. Moreover, heavy metal removal driven by other processes such as oxidation, reduction, and precipitation that might concurrently occur in parallel with adsorption have been reviewed. The application of adsorption for the treatment of real wastewater has been also reviewed. Finally, challenges, limitations and potential areas for improvements in the adsorptive removal of HMs from contaminated waters are identified and discussed. Thus, this article serves as a comprehensive reference for the recent developments in the field of adsorptive removal of heavy metals from wastewater. The proposed future research work at the end of this review could help in addressing some of the key limitations facing this technology, and create a platform for boosting the efficiency of the adsorptive removal of heavy metals.
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Affiliation(s)
- Usman M Ismail
- Department of Civil and Environmental Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
| | - Muhammad S Vohra
- Department of Civil and Environmental Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia; Interdisciplinary Research Center for Construction and Building Materials, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Sagheer A Onaizi
- Department of Chemical Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia; Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
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6
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Zheng T, Fei W, Hou D, Li P, Wu N, Wang M, Feng Y, Luo H, Luo N, Wei W. Characteristic study of biological CaCO 3-supported nanoscale zero-valent iron: stability and migration performance. ENVIRONMENTAL TECHNOLOGY 2024:1-14. [PMID: 38853645 DOI: 10.1080/09593330.2024.2361487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 05/24/2024] [Indexed: 06/11/2024]
Abstract
nZVI has attracted much attention in the remediation of contaminated soil and groundwater, but the application is limited due to its aggregation, poor stability, and weak migration performance. The biological CaCO3 was used as the carrier material to support nZVI and solved the nZVI agglomeration, which had the advantages of biological carbon fixation and green environmental protection. Meanwhile, the distribution of nZVI was characterised by SEM-EDS and TEM carefully. Subsequently, the dispersion stability of bare nZVI and CaCO3@nZVI composite was studied by the settlement experiment and Zeta potential. Sand column and elution experiments were conducted to study the migration performance of different materials in porous media, and the adhesion coefficient and maximum migration distances of different materials in sand columns were explored. SEM-EDS and TEM results showed that nZVI could be uniformly distributed on the surface of biological CaCO3. Compared with bare nZVI, CaCO3@nZVI composite suspension had better stability and higher absolute value of Zeta potential. The migration performance of nZVI was poor, while CaCO3@nZVI composite could penetrate the sand column and have good migration performance. What's more, the elution rates of bare nZVI and CaCO3@nZVI composite in quartz sand columns were 5.8% and 51.6%, and the maximum migration distances were 0.193 and 0.885 m, respectively. In summary, this paper studies the stability and migration performance of bare nZVI and CaCO3@nZVI composite, providing the experimental and theoretical support for the application of CaCO3@nZVI composite, which is conducive to promoting the development of green remediation functional materials.
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Affiliation(s)
- Tianwen Zheng
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, People's Republic of China
| | - Wenbo Fei
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, People's Republic of China
| | - Daibing Hou
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, People's Republic of China
| | - Peizhong Li
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, People's Republic of China
| | - Naijin Wu
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, People's Republic of China
| | - Moxi Wang
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, People's Republic of China
| | - Yangfan Feng
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, People's Republic of China
| | - Huilong Luo
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, People's Republic of China
| | - Nan Luo
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, People's Republic of China
| | - Wenxia Wei
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, People's Republic of China
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Lewandowská Š, Vaňková Z, Beesley L, Cajthaml T, Wickramasinghe N, Vojar J, Vítková M, Tsang DCW, Ndungu K, Komárek M. Nano zerovalent Fe did not reduce metal(loid) leaching and ecotoxicity further than conventional Fe grit in contrasting smelter impacted soils: A 1-year field study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:171892. [PMID: 38531450 DOI: 10.1016/j.scitotenv.2024.171892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 03/20/2024] [Accepted: 03/20/2024] [Indexed: 03/28/2024]
Abstract
The majority of the studies on nanoscale zero-valent iron (nZVI) are conducted at a laboratory-scale, while field-scale evidence is scarce. The objective of this study was to compare the metal(loid) immobilization efficiency of selected Fe-based materials under field conditions for a period of one year. Two contrasting metal(loid) (As, Cd, Pb, Zn) enriched soils from a smelter-contaminated area were amended with sulfidized nZVI (S-nZVI) solely or combined with thermally stabilized sewage sludge and compared to amendment with microscale iron grit. In the soil with higher pH (7.5) and organic matter content (TOC = 12.7 %), the application of amendments resulted in a moderate increase in pH and reduced As, Cd, Pb, and Zn leaching after 1-year, with S-nZVI and sludge combined being the most efficient, followed by iron grit and S-nZVI alone. However, the amendments had adverse impacts on microbial biomass quantity, S-nZVI being the least damaging. In the soil with a lower pH (6.0) and organic matter content (TOC = 2.3 %), the results were mixed; 0.01 M CaCl2 extraction data showed only S-nZVI with sludge as remaining effective in reducing extractable concentrations of metals; on the other hand, Cd and Zn concentrations were increased in the extracted soil pore water solutions, in contrast to the two conventional amendments. Despite that, S-nZVI with sludge enhanced the quantity of microbial biomass in this soil. Additional earthworm avoidance data indicated that they generally avoided soil treated with all Fe-based materials, but the presence of sludge impacted their preferences somewhat. In summary, no significant differences between S-nZVI and iron grit were observed for metal(loid) immobilization, though sludge significantly improved the performance of S-nZVI in terms of soil health indicators. Therefore, this study indicates that S-nZVI amendment of soils alone should be avoided, though further field evidence from a broader range of soils is now required.
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Affiliation(s)
- Šárka Lewandowská
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague - Suchdol, Czech Republic
| | - Zuzana Vaňková
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague - Suchdol, Czech Republic
| | - Luke Beesley
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague - Suchdol, Czech Republic; School of Science, Engineering and Environment, Peel Building, University of Salford, Manchester M5 4WT, UK
| | - Tomáš Cajthaml
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague 4, Czech Republic; Institute for Environmental Studies, Faculty of Science, Charles University in Prague, Benátská 2, 128 01 Prague 2, Czech Republic
| | - Niluka Wickramasinghe
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague - Suchdol, Czech Republic
| | - Jiří Vojar
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague - Suchdol, Czech Republic
| | - Martina Vítková
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague - Suchdol, Czech Republic
| | - Daniel C W Tsang
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
| | - Kuria Ndungu
- Norwegian Institute for Water Research (NIVA), Økernveien 94, NO-0579 Oslo, Norway
| | - Michael Komárek
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Prague - Suchdol, Czech Republic.
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Deng J, Wang P, Xu Z, Hu T, Li D, Wei X, Chen C, Li Y, Zhang Y. Contaminated soil remediation with nano-FeS loaded lignin hydrogel: A novel strategy to produce safe rice grains while reducing cadmium in paddy field. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133965. [PMID: 38471381 DOI: 10.1016/j.jhazmat.2024.133965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/21/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024]
Abstract
Cadmium (Cd) contamination in agricultural soil has been an elevated concern due to the high health risks associated with the transfer through the soil-food chain, particularly in the case of rice. Recently, there has numerous researches on the use of nanoparticle-loaded materials for heavy metal-polluted soil remediation, resulting in favorable outcomes. However, there has been limited research focus on the field-scale application and recovery. This study was aimed to validate the Cd reduction effect of the nano-FeS loaded lignin hydrogel composites (FHC) in mildly polluted paddies, and to propose a field-scale application method. Hence, a multi-site field experiment was conducted in southern China. After the application for 94-103 days, the FHC exhibited a high integrity and elasticity, with a recovery rate of 91.90%. The single-round remediation led to decreases of 0.42-31.72% in soil Cd content and 1.52-49.11% in grain Cd content. Additionally, this remediation technique did not adversely impact rice production. Consequently, applying FHC in the field was demonstrated to be an innovative, efficient, and promising remediation technology. Simultaneously, a strategy was proposed for reducing Cd levels while cultivating rice in mildly polluted fields using the FHC.
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Affiliation(s)
- Jianbin Deng
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Pu Wang
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Zhaoxin Xu
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Tian Hu
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Deyun Li
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Xiujiao Wei
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Chengyu Chen
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Yongtao Li
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
| | - Yulong Zhang
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
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9
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Qin H, Xu L, Qin L, Kang B, Zha F, Wang Q, Huang K. Removal of Cu(II) by sodium hexametaphosphate and nano zero-valent iron modified calcium bentonite: characteristic, adsorption performance and mechanism. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 358:120866. [PMID: 38663085 DOI: 10.1016/j.jenvman.2024.120866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/02/2024] [Accepted: 04/06/2024] [Indexed: 05/04/2024]
Abstract
Cu (II) is a toxic heavy metal commonly identified in groundwater contaminants. Bentonite-based cutoff wall is the most used method in isolating and adsorbing contaminants, while the bentonite in it easily to fail due to Cu(II) exchange. This study synthesized a novel material through the modification of calcium bentonite (CaB) utilizing sodium hexametaphosphate (SHMP) and nano zero-valent iron (NZVI). The characteristics, adsorption performance, and mechanism of the NZVI/SHMP-CaB were investigated comprehensively. The results showed that SHMP can disperse CaB and reduce flocculation, while NZVI can be further stabilized without agglomeration. The best adsorption performance of NZVI/SHMP-CaB could be obtained at the dosage of 2% SHMP and 4% NZVI. The NZVI/SHMP-CaB exhibited an outstanding removal efficiency of over 60% and 90% at a high Cu(II) concentration (pH = 6, Cu(II) = 300 mg/L) and acidic conditions (pH = 3-6, Cu(II) = 50 mg/L), respectively. The adsorption of Cu(II) by NZVI/SHMP-CaB followed a pseudo-second-order kinetic model, and fitting results from the Freundlich isothermal model suggested that the adsorption process occurred spontaneously. Besides the rapid surface adsorption on the NZVI/SHMP-CaB and ion exchange with interlayer ions in bentonite, the removal mechanism of Cu(II) also involved the chemical reduction to insoluble forms such as Cu0 and Cu2O. The generated FePO4 covered the surface of the homogenized NZVI particles, enhancing the resistance of NZVI/SHMP-CaB to acidic and oxidative environments. This study indicates that NZVI/SHMP-CaB is a promising alternative material which can be used for heavy metal removal from contaminated soil and water.
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Affiliation(s)
- Hao Qin
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Long Xu
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Lin Qin
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Bo Kang
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Fusheng Zha
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Qiao Wang
- School of Resource and Environmental Engineering, Hefei University of Technology, Tunxi Road 193#, Baohe District, Hefei, 230009, China.
| | - Kai Huang
- College of Civil Engineering, AnHui JianZhu University, Hefei, 230601, China.
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10
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Zhang Y, Fu P, Ni W, Zhang S, Li S, Deng W, Hu W, Li J, Pei F, Du L, Wang Y. A review of solid wastes-based stabilizers for remediating heavy metals co-contaminated soil: Applications and challenges. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:170667. [PMID: 38331289 DOI: 10.1016/j.scitotenv.2024.170667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/27/2024] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
The remediation of heavy metals/metalloids (HMs) co-contaminated soil by solid wastes-based stabilizers (SWBS) has received major concern recently. Based on the literature reported in the latest years (2010-2023), this review systematically summarizes the different types of solid wastes (e.g., steel slag, coal fly ash, red mud, and sewage sludge, etc.) employed to stabilize HMs contaminated soil, and presents results from laboratory and field experiments. Firstly, the suitable solid wastes for soil remediation are reviewed, and the pros and cons are presented. Thereafter, the technical feasibility and economic benefit are evaluated for field application. Moreover, evaluation methods for remediation of different types of HMs-contaminated soil and the effects of SWBS on soil properties are summarized. Finally, due to the large specific surface, porous structure, and high reactivity, the SWBS can effectively stabilize HMs via adsorption, complexation, co/precipitation, ion exchange, electrostatic interaction, redox, and hydration process. Importantly, the environmental implications and long-term effectiveness associated with the utilization of solid wastes are highlighted, which are challenges for practical implementation of soil stabilization using SWBS, because the aging of soil/solid wastes has not been thoroughly investigated. Future attention should focus on modifying the SWBS and establishing an integrated long-term stability evaluation method.
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Affiliation(s)
- Yuliang Zhang
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Pingfeng Fu
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China; Key Laboratory of the Ministry of Education for Efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing 100083, China.
| | - Wen Ni
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China; Key Laboratory of the Ministry of Education for Efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing 100083, China
| | - Siqi Zhang
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China; Key Laboratory of the Ministry of Education for Efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing 100083, China
| | - Sheng Li
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Wei Deng
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Wentao Hu
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China; Key Laboratory of the Ministry of Education for Efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing 100083, China
| | - Jia Li
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Fuyun Pei
- CECEP Tech and Ecology & Environment Co., Ltd., Shenzhen 518017, China
| | - Linfeng Du
- CECEP Tech and Ecology & Environment Co., Ltd., Shenzhen 518017, China
| | - Yueling Wang
- CECEP Tech and Ecology & Environment Co., Ltd., Shenzhen 518017, China
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11
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Meng H, Hu S, Hong Z, Chi W, Chen G, Cheng K, Wang Q, Liu T, Li F, Liu K, Yang Y. Effects of zero-valent iron added in the flooding or drainage process on cadmium immobilization in an acid paddy soil. J Environ Sci (China) 2024; 138:19-31. [PMID: 38135388 DOI: 10.1016/j.jes.2023.03.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/23/2023] [Accepted: 03/23/2023] [Indexed: 12/24/2023]
Abstract
Zero-valent iron (ZVI) is a promising material for the remediation of Cd-contaminated paddy soils. However, the effects of ZVI added during flooding or drainage processes on cadmium (Cd) retention remain unclear. Herein, Cd-contaminated paddy soil was incubated for 40 days of flooding and then for 15 days of drainage, and the underlying mechanisms of Cd immobilization coupled with Fe/S/N redox processes were investigated. The addition of ZVI to the flooding process was more conducive to Cd immobilization. Less potential available Cd was detected by adding ZVI before flooding, which may be due to the increase in paddy soil pH and newly formed secondary Fe minerals. Moreover, the reductive dissolution of Fe minerals promoted the release of soil colloids, thereby increasing significantly the surface sites and causing Cd immobilization. Additionally, the addition of ZVI before flooding played a vital role in Cd retention after soil drainage. In contrast, the addition of ZVI in the drainage phase was not conducive to Cd retention, which might be due to the rapid decrease in soil pH that inhibited Cd adsorption and further immobilization on soil surfaces. The findings of this study demonstrated that Cd availability in paddy soil was largely reduced by adding ZVI during the flooding period and provide a novel insight into the mechanisms of ZVI remediation in Cd-contaminated paddy soils.
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Affiliation(s)
- Hanbing Meng
- Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shiwen Hu
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Zebin Hong
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Wenting Chi
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Guojun Chen
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Kuan Cheng
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Qi Wang
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Tongxu Liu
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Fangbai Li
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Kexue Liu
- School of Resources and Planning, Guangzhou Xinhua University, Guangzhou 510310, China
| | - Yang Yang
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China.
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12
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Kambhu A, Satapanajaru T, Somsamak P, Pengthamkeerati P, Chokejaroenrat C, Muangkaew K, Nonthamit K. Green cleanup of styrene-contaminated soil by carbon-based nanoscale zero-valent iron and phytoremediation: Sunn hemp ( Crotalaria juncea), zinnia ( Zinnia violacea Cav.), and marigold ( Tagetes erecta L. ). Heliyon 2024; 10:e27499. [PMID: 38496887 PMCID: PMC10944241 DOI: 10.1016/j.heliyon.2024.e27499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/19/2024] Open
Abstract
Accidental chemical spills can result in styrene-contaminated soil. Styrene negatively affects human health and the environment. The objective of this study was to remediate styrene-contaminated soil using a combination of activated carbon-based nanoscale zero-valent iron (nZVI-AC) and phytoremediation by sunn hemp (Crotalaria juncea), zinnia (Zinnia violacea Cav.) and marigolds (Tagetes erecta L.). The results showed that all three plant types could potentially increase the removal efficiency of styrene-contaminated soil. At 28 days, all three plants showed complete removal of styrene from the soil with 1 g/kg of nZVI-AC, activated carbon-based nZVI synthesized by tea leaves (Camellia sinensis) (T-nZVI-AC), or activated carbon-based nZVI synthesized by red Thai holy basil (Ocimum tenuiflorum L.) (B-nZVI-AC). However, styrene removal efficiencies of sunn hemp, zinnia, and marigold without carbon-based nZVI were 30%, 67%, and 56%, respectively. Statistical analysis (ANOVA) revealed that the removal efficiencies differed significantly from those of phytoremediation alone. With the same removal efficiency (100%), the biomass of sunn hemp in nano-phytoremediation treatments differed by approximately 55%, whereas the biomass of zinnia differed by >67%, compared with that of the control experiment. For marigold, the difference in biomass was only 30%. Styrene was adsorbed on surface of soil and AC and then further oxidized under air-water-nZVI environment, while phytovolatilization played an important role in transporting the remaining styrene from the contaminated soil to the air. Marigold was used as an alternative plant for the nano-phytoremediation of styrene-contaminated soil because of its sturdy nature, high biomass, tolerance to toxic effects, and ease of cultivation. Remediation of one cubic meter of styrene-contaminated soil by a combination of carbon-based nanoscale zero-valent iron and phytoremediation by marigolds emitted 0.0027 kgCO2/m3.
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Affiliation(s)
- Ann Kambhu
- Department of Environmental Technology and Management, Faculty of Environment, Kasetsart University, Bangkok, 10900 Thailand
| | - Tunlawit Satapanajaru
- Department of Environmental Technology and Management, Faculty of Environment, Kasetsart University, Bangkok, 10900 Thailand
| | - Piyapawn Somsamak
- Department of Environmental Technology and Management, Faculty of Environment, Kasetsart University, Bangkok, 10900 Thailand
| | - Patthra Pengthamkeerati
- Department of Environmental Technology and Management, Faculty of Environment, Kasetsart University, Bangkok, 10900 Thailand
| | - Chanat Chokejaroenrat
- Department of Environmental Technology and Management, Faculty of Environment, Kasetsart University, Bangkok, 10900 Thailand
| | - Kanitchanok Muangkaew
- Department of Environmental Technology and Management, Faculty of Environment, Kasetsart University, Bangkok, 10900 Thailand
| | - Kanthika Nonthamit
- Department of Environmental Technology and Management, Faculty of Environment, Kasetsart University, Bangkok, 10900 Thailand
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13
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Dhanapal A, Thiruvengadam M, Vairavanathan J, Venkidasamy B, Easwaran M, Ghorbanpour M. Nanotechnology Approaches for the Remediation of Agricultural Polluted Soils. ACS OMEGA 2024; 9:13522-13533. [PMID: 38559935 PMCID: PMC10975622 DOI: 10.1021/acsomega.3c09776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/23/2024] [Accepted: 02/28/2024] [Indexed: 04/04/2024]
Abstract
Soil pollution from various anthropogenic and natural activities poses a significant threat to the environment and human health. This study explored the sources and types of soil pollution and emphasized the need for innovative remediation approaches. Nanotechnology, including the use of nanoparticles, is a promising approach for remediation. Diverse types of nanomaterials, including nanobiosorbents and nanobiosurfactants, have shown great potential in soil remediation processes. Nanotechnology approaches to soil pollution remediation are multifaceted. Reduction reactions and immobilization techniques demonstrate the versatility of nanomaterials in mitigating soil pollution. Nanomicrobial-based bioremediation further enhances the efficiency of pollutant degradation in agricultural soils. A literature-based screening was conducted using different search engines, including PubMed, Web of Science, and Google Scholar, from 2010 to 2023. Keywords such as "soil pollution, nanotechnology, nanoremediation, heavy metal remediation, soil remediation" and combinations of these were used. The remediation of heavy metals using nanotechnology has demonstrated promising results and offers an eco-friendly and sustainable solution to address this critical issue. Nanobioremediation is a robust strategy for combatting organic contamination in soils, including pesticides and herbicides. The use of nanophytoremediation, in which nanomaterials assist plants in extracting and detoxifying pollutants, represents a cutting-edge and environmentally friendly approach for tackling soil pollution.
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Affiliation(s)
- Anand
Raj Dhanapal
- Chemistry
and Bioprospecting Division, Institute of Forest Genetics and Tree
Breeding (IFGTB), Forest Campus, Indian
Council of Forestry Research and Education (ICFRE), Coimbatore 641 002, Tamil Nadu, India
| | - Muthu Thiruvengadam
- Department
of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul 05029, Republic
of Korea
- Center
for Global Health Research, Saveetha Medical College, Saveetha Institute
of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 600077, India
| | - Jayavarshini Vairavanathan
- Department
of Biotechnology, Karpagam Academy of Higher
Education, Coimbatore 641 021, Tamil Nadu, India
| | - Baskar Venkidasamy
- Department
of Oral & Maxillofacial Surgery, Saveetha Dental College and Hospitals,
Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai 600 077, Tamil
Nadu, India
| | - Maheswaran Easwaran
- Department
of Research Analytics, Saveetha Dental College and Hospitals, Saveetha
Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai 600 077, Tamil Nadu, India
| | - Mansour Ghorbanpour
- Department
of Medicinal Plants, Faculty of Agriculture and Natural Resources, Arak University, Arak 38156-8-8349, Iran
- Institute
of Nanoscience and Nanotechnology, Arak
University, Arak 38156-8-8349, Iran
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14
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Kumari N, Arya S, Behera M, Seth CS, Singh R. Chitosan anchored nZVI bionanocomposites for treatment of textile wastewater: Optimization, mechanism, and phytotoxic assessment. ENVIRONMENTAL RESEARCH 2024; 245:118041. [PMID: 38160973 DOI: 10.1016/j.envres.2023.118041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/15/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
In recent years, there has been a growing focus on treating textile wastewater due to its escalating threat to aquatic ecosystems and exposed communities. The present study investigates the adsorption efficacy of biopolymer functionalized nanoscale zero-valent iron (CS@nZVI) composite for the treatment of textile wastewater using the RSM-CCD model. The structure and morphology of CS@nZVI were characterized using XRD, FTIR, FESEM, and EDX. CS@nZVI was then evaluated for its adsorption potential in removing COD, color, and other physico-chemical parameters from textile wastewater. The results showed the high efficacy of CS@nZVI for COD and color removal from textile wastewater. Under optimal conditions (pH 6, contact time 60 min, and 1.84 g CS@nZVI), COD removal reached a maximum of 85.53%, and decolorization efficiency was found to be 89.73%. The coefficient of determination R2 (0.98) and AIC (269.75) values suggested quadratic model as the best-fitted model for optimizing the process parameters for COD removal. Additionally, the physico-chemical parameters were found to be within permissible limits after treatment with CS@nZVI. The influence of coexisting ions on COD removal followed the order PO43- > SO42- > Cl- >Na+ > Ca2+. The kinetics data fitted well with the pseudo-first-order reaction, indicating physisorption as the primary mechanism. The thermodynamic study revealed the endothermic nature of the removal process. Reusability tests demonstrated that great regeneration capacity of spent CS@nZVIafter five consecutive cycles. Furthermore, toxicological studies showed reduced toxicity in treated samples, leading to improved growth of Vigna radiata L. These findings suggest that CS@nZVI bionanocomposites could serve as an efficient, cost-effective, and eco-friendly remediation agent for the treatment of textile effluents, presenting significant prospects for commercial applications.
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Affiliation(s)
- Nisha Kumari
- Department of Environmental Science, School of Earth Sciences, Central University of Rajasthan, Ajmer-305817, Rajasthan, India
| | - Sarita Arya
- Department of Environmental Science, School of Earth Sciences, Central University of Rajasthan, Ajmer-305817, Rajasthan, India
| | - Monalisha Behera
- Department of Environmental Science, School of Earth Sciences, Central University of Rajasthan, Ajmer-305817, Rajasthan, India
| | | | - Ritu Singh
- Department of Environmental Science, School of Earth Sciences, Central University of Rajasthan, Ajmer-305817, Rajasthan, India.
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15
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Lu H, Wang X, Cong Q, Chen X, Li Q, Li X, Zhong S, Deng H, Yan B. Research Progress on the Degradation of Organic Pollutants in Water by Activated Persulfate Using Biochar-Loaded Nano Zero-Valent Iron. Molecules 2024; 29:1130. [PMID: 38474642 DOI: 10.3390/molecules29051130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/20/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
Biochar (BC) is a new type of carbon material with a high specific surface area, porous structure, and good adsorption capacity, which can effectively adsorb and enrich organic pollutants. Meanwhile, nano zero-valent iron (nZVI) has excellent catalytic activity and can rapidly degrade organic pollutants through reduction and oxidation reactions. The combined utilization of BC and nZVI can not only give full play to their advantages in the adsorption and catalytic degradation of organic pollutants, but also help to reduce the agglomeration of nZVI, thus improving its efficiency in water treatment and providing strong technical support for water resources protection and environmental quality improvement. This article provides a detailed introduction to the preparation method and characterization technology, reaction mechanism, influencing factors, and specific applications of BC and nZVI, and elaborates on the research progress of BC-nZVI in activating persulfate (PS) to degrade organic pollutants in water. It has been proven experimentally that BC-nZVI can effectively remove phenols, dyes, pesticides, and other organic pollutants. Meanwhile, in response to the existing problems in current research, this article proposes future research directions and challenges, and summarizes the application prospects and development trends of BC-nZVI in water treatment. In summary, BC-nZVI-activated PS is an efficient technology for degrading organic pollutants in water, providing an effective solution for protecting water resources and improving environmental quality, and has significant application value.
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Affiliation(s)
- Hai Lu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China
| | - Xiaoyan Wang
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China
| | - Qiao Cong
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China
| | - Xinglin Chen
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China
| | - Qingpo Li
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China
| | - Xueqi Li
- Urban Construction College, Changchun University of Architecture, Changchun 130607, China
| | - Shuang Zhong
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
| | - Huan Deng
- College of Visual Arts, Changchun Sci-Tech University, Changchun 130600, China
| | - Bojiao Yan
- College of Visual Arts, Changchun Sci-Tech University, Changchun 130600, China
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16
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Phiri Z, Moja NT, Nkambule TT, de Kock LA. Utilization of biochar for remediation of heavy metals in aqueous environments: A review and bibliometric analysis. Heliyon 2024; 10:e25785. [PMID: 38375270 PMCID: PMC10875440 DOI: 10.1016/j.heliyon.2024.e25785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 01/23/2024] [Accepted: 02/02/2024] [Indexed: 02/21/2024] Open
Abstract
Biochar usage for removing heavy metals from aqueous environments has emerged as a promising research area with significant environmental and economic benefits. Using the PICO approach, the research question aimed to explore using biochar to remove heavy metals from aqueous media. We merged the data from Scopus and the Web of Science Core Collection databases to acquire a comprehensive perspective of the subject. The PRISMA guidelines were applied to establish the search parameters, identify the appropriate articles, and collect the bibliographic information from the publications between 2010 and 2022. The bibliometric analysis showed that biochar-based heavy metal remediation is a research field with increasing scholarly attention. The removal of Cr(VI), Pb(II), Cd(II), and Cu(II) was the most studied among the heavy metals. We identified five main clusters centered on adsorption, water treatment, adsorption models, analytical techniques, and hydrothermal carbonization by performing keyword co-occurrence analysis. Trending topics include biochar reusability, modification, acid mine drainage (AMD), wastewater treatment, and hydrochar. The reutilization of heavy metal-loaded spent biochar includes transforming it into electrodes for supercapacitors or stable catalyst materials. This study provides a comprehensive overview of biochar-based heavy metal remediation in aquatic environments and highlights knowledge gaps and future research directions.
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Affiliation(s)
- Zebron Phiri
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science Engineering and Technology, University of South Africa, Florida Science Campus, Johannesburg, 1710, South Africa
| | - Nathaniel T. Moja
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science Engineering and Technology, University of South Africa, Florida Science Campus, Johannesburg, 1710, South Africa
| | - Thabo T.I. Nkambule
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science Engineering and Technology, University of South Africa, Florida Science Campus, Johannesburg, 1710, South Africa
| | - Lueta-Ann de Kock
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science Engineering and Technology, University of South Africa, Florida Science Campus, Johannesburg, 1710, South Africa
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17
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Tan Y, Wang J, Zhan L, Yang H, Gong Y. Removal of Cr(VI) from aqueous solution using ball mill modified biochar: multivariate modeling, optimization and experimental study. Sci Rep 2024; 14:4853. [PMID: 38418490 PMCID: PMC10901879 DOI: 10.1038/s41598-024-55520-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 02/24/2024] [Indexed: 03/01/2024] Open
Abstract
Chromium (Cr(VI)) pollution has attracted wide attention due to its high toxicity and carcinogenicity. Modified biochar has been widely used in the removal of Cr(VI) in water as an efficient and green adsorbent. However, the existing biochar prepared by chemical modification is usually complicated in process, high in cost, and has secondary pollution, which limits its application. It is urgent to explore modified biochar with simple process, low cost and environmental friendliness. Therefore, ball milling wheat straw biochar (BM-WB) was prepared by ball milling technology in this paper. The adsorption characteristics and mechanism of Cr(VI) removal by BM-WB were analyzed by functional group characterization, adsorption model and response surface method. The results showed that ball milling effectively reduced the particle size of biochar, increased the specific surface area, and more importantly, enhanced the content of oxygen-containing functional groups on the surface of biochar. After ball milling, the adsorption capacity of Cr(VI) increased by 3.5-9.1 times, and the adsorption capacity reached 52.21 mg/g. The adsorption behavior of Cr(VI) follows the pseudo-second-order kinetics and Langmuir isotherm adsorption model rate. Moreover, the Cr(VI) adsorption process of BM-WB is endothermic and spontaneous. Under the optimized conditions of pH 2, temperature 45 °C, and adsorbent dosage 0.1 g, the removal rate of Cr(VI) in the solution can reach 100%. The mechanism of Cr(VI) adsorption by BM-WB is mainly based on electrostatic attraction, redox and complexation. Therefore, ball milled biochar is a cheap, simple and efficient Cr(VI) removal material, which has a good application prospect in the field of remediation of Cr(VI) pollution in water.
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Affiliation(s)
- Yunfeng Tan
- College of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing, 400074, China.
| | - Jinxia Wang
- College of Resources and Safety, Chongqing Vocational Institute of Engineering, Chongqing, 402260, China.
| | - Lingling Zhan
- General College, Chongqing Vocational Institute of Engineering, Chongqing, 402260, China
| | - Hongjun Yang
- College of Resources and Environment, Southwest University, Chongqing, 400715, China
| | - Yinchun Gong
- Chongqing Zhihai Technology Co., Ltd, Chongqing, 402260, China
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18
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Chen A, Wang H, Zhan X, Gong K, Xie W, Liang W, Zhang W, Peng C. Applications and synergistic degradation mechanisms of nZVI-modified biochar for the remediation of organic polluted soil and water: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 911:168548. [PMID: 37989392 DOI: 10.1016/j.scitotenv.2023.168548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/19/2023] [Accepted: 11/11/2023] [Indexed: 11/23/2023]
Abstract
Increasing organic pollution in soil and water has garnered considerable attention in recent years. Nano zero-valent iron-modified biochar (nZVI/BC) has been proven to remediate the contaminated environment effectively due to its abundant active sites and unique reducing properties. This paper provides a comprehensive overview of the application of nZVI/BC in organic polluted environmental remediation and its mechanisms. Firstly, the review introduced primary synthetic methods of nZVI/BC, including in-situ synthesis (carbothermal reduction and green synthesis) and post-modification (liquid-phase reduction and ball milling). Secondly, the application effects of nZVI/BC were discussed in remediating soil and water polluted by antibiotics, pesticides, polycyclic aromatic hydrocarbons (PAHs), and dyes. Thirdly, this review explored the mechanisms of the adsorption and chemical degradation of nZVI/BC, and synergistic degradation mechanisms of nZVI/BC-AOPs and nZVI/BC-Microbial interactions. Fourth, the factors that influence the removal of organic pollutants using nZVI/BC were summarized, encompassing synthesis conditions (raw materials, pyrolysis temperature and aging of nZVI/BC) and external factors (reagent dosage, pH, and coexisting substances). Finally, this review proposed future challenges for the application of nZVI/BC in environmental remediation. This review offers valuable insights for advancing technology in the degradation of organic pollutants using nZVI/BC and promoting its on-site application.
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Affiliation(s)
- Anqi Chen
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Haoran Wang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiuping Zhan
- Shanghai Agricultural Technology Extension and Service Center, Shanghai 201103, China
| | - Kailin Gong
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Wenwen Xie
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Weiyu Liang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Wei Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Cheng Peng
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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Proshad R, Li J, Sun G, Zheng X, Yue H, Chen G, Zhang S, Li Z, Zhao Z. Field application of hydroxyapatite and humic acid for remediation of metal-contaminated alkaline soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:13155-13174. [PMID: 38243026 DOI: 10.1007/s11356-024-32015-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 01/10/2024] [Indexed: 01/21/2024]
Abstract
The quality of soil is essential for ensuring the safety and quality of agricultural products. However, soils contaminated with toxic metals pose a significant threat to agricultural production and human health. Therefore, remediation of contaminated soils is an urgent task, and humic acid (HA) with hydroxyapatite (HAP) materials was applied for this study in contaminated alkaline soils to remediate Cd, Pb, Cu, and Zn. Physiochemical properties, improved BCR sequential extraction, microbial community composition in soils with superoxide dismutase (SOD), peroxidase (POD), and chlorophyll content in plants were determined. Among the studied treatments, application of HAP-HA (2:1) (T7) had the most significant impact on reducing the active forms of toxic metals from soil such as Cd, Pb, Cu, and Zn decreased by 18.59%, 9.12%, 11.83%, and 3.33%, respectively, but HAP and HA had a minor impact on metal accumulation in Juncao. HAP (T2) had a beneficial impact on reducing the TCleaf/root of Cd, Cu, and Zn, whereas HAP-HA (T5) showed the best performance for reducing Cd and Cu in EFleaf/soil. HAP-HA (T5 and T7) showed higher biomass (57.3%) and chlorophyll (17.9%), whereas HAP (T4) showed better performance in POD (25.8%) than T0 in Juncao. The bacterial diversity in soil was increased after applying amendments of various treatments and enhancing metal remediation. The combined application of HAP and HA effectively reduced active toxic metals in alkaline soil. HAP-HA mixtures notably improved soil health, plant growth, and microbial diversity, advocating for their use in remediating contaminated soils.
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Affiliation(s)
- Ram Proshad
- Key Laboratory of Mountain Environment Evolvement and Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610041, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Jie Li
- CCTEG Chongqing Engineering (Group) Co., LTD., Chongqing, 400000, People's Republic of China
| | - Guohuai Sun
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Xu Zheng
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Haoyu Yue
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Geng Chen
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Shuangting Zhang
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Ziyi Li
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Zhuanjun Zhao
- Key Laboratory of Mountain Environment Evolvement and Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610041, People's Republic of China.
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20
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Hou D, Cui X, Liu M, Qie H, Tang Y, Leng W, Luo N, Luo H, Lin A, Yang W, Wei W, Zheng T. Degradation of trichloroethylene by biochar supported nano zero-valent iron (BC-nZVI): The role of specific surface area and electrochemical properties. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168341. [PMID: 37939947 DOI: 10.1016/j.scitotenv.2023.168341] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/10/2023]
Abstract
Direct electron transfer and the involvement of atomic hydrogen (H⁎) are considered the main mechanisms for reductive dechlorination promoted by nano zero-valent iron (nZVI) supported on highly conductive carbon. It is still unclear how precisely H⁎, the specific surface area, and the electrochemical characteristics contribute to biochar supported nano zero-valent iron (BC-nZVI) activity in chlorinated hydrocarbon contaminant removal. In this study, a range of BC-nZVIs were prepared by a liquid-phase reduction process, and the contributions of specific surface area and electrochemical performance to H⁎ generation and electron transfer have been assessed. The mechanism of trichloroethylene (TCE) dechlorination by BC-nZVIs has been evaluated in terms of removal efficiency and the ultimate degradation products. The results have demonstrated that BC-nZVIs exhibit a higher specific surface area and TCE degradation efficiency compared with the bare nZVI. Ethane, ethylene, and acetylene were the principal TCE degradation products. The elimination of TCE was not significantly affected by differences in BC-nZVI specific surface area, but electron transfer and sustained generation of H⁎ were dependent on the catalyst electrochemical characteristics. The electrochemical properties of biochar serve to lower the corrosion potential of nZVI, improving electronic transfer capability and reactivity and promoting direct electron transfer for the degradation of TCE. In addition, the enhanced electrochemical properties also facilitate the reaction of nZVI with water and can promote the sustained generation of H⁎. Generation of H⁎ played a key role in reductive dechlorination over BC-nZVIs, which was related to the properties of the biochar support. This study focuses on the role of H⁎ and electrochemical performance in TCE reductive dechlorination, and provides a theoretical foundation and experimental support for the practical application of BC-nZVIs.
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Affiliation(s)
- Daibing Hou
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Xuedan Cui
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Meng Liu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Hantong Qie
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yiming Tang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Wenpeng Leng
- Institute of Resources and Environment, Beijing Academy of science and technology, Beijing 100095, PR China
| | - Nan Luo
- Institute of Resources and Environment, Beijing Academy of science and technology, Beijing 100095, PR China
| | - Huilong Luo
- Institute of Resources and Environment, Beijing Academy of science and technology, Beijing 100095, PR China
| | - Aijun Lin
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Wenjie Yang
- Chinese Academy of Environmental Planning, Beijing 100012, PR China.
| | - Wenxia Wei
- Institute of Resources and Environment, Beijing Academy of science and technology, Beijing 100095, PR China.
| | - Tianwen Zheng
- Institute of Resources and Environment, Beijing Academy of science and technology, Beijing 100095, PR China.
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21
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Li S, Wen Y, Wang Y, Liu M, Su L, Peng Z, Zhou Z, Zhou N. Novel α-amino acid-like structure decorated biochar for heavy metal remediation in acid soil. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132740. [PMID: 37856962 DOI: 10.1016/j.jhazmat.2023.132740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/30/2023] [Accepted: 10/06/2023] [Indexed: 10/21/2023]
Abstract
Neither chemical nor physical adsorption play well in heavy metals remediation in acid soil due to the competing behavior of abundant protons, where stable chelators that can be reused are of significant demand. Herein, biochar with abundant nitro and carboxyl groups is prepared, which can be assembled into self-supporting electrode. Under the catalyzation of electricity, the surface decorated -NO2 on the biochar can be in situ transformed into -NH2. Combined with the carboxyl group that attached on the same carbon atom, a special α-amino acid-like structure modified biochar (α-AC@BC) can be successfully constructed. Due to the strong affinity between the α-amino acid-like ligand and heavy metals, this α-AC@BC exhibits high removal efficiencies of 83.41%, 80.94%, 92.54% and 77.05% for available copper, cadmium, lead and zinc respectively, even in a strong acid soil with low pH of 4. After four adsorption-desorption cycles, the α-AC@BC could still eliminate 83.88% of copper. The high adsorption energy among -NH2, -COOH and heavy metals (-2.99 eV for copper, -1.90 eV for lead, -1.30 eV for zinc and -0.91 eV for cadmium) could form steady coordination structure to guarantee a highly practical application potential of α-AC@BC in strong acid soil. This study provides a novel concept for the decontamination of multiple heavy metal polluted acid soil.
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Affiliation(s)
- Shikai Li
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Yujiao Wen
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Yifan Wang
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Meng Liu
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Lezhu Su
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Zhengjie Peng
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Zhi Zhou
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Nan Zhou
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China.
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22
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Jiang F, Wei C, Yu Z, Ji L, Liu M, Cao Q, Wu L, Li F. Fabrication of Iron-Containing Biochar by One-Step Ball Milling for Cr(VI) and Tetracycline Removal from Wastewater. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:18958-18970. [PMID: 38095154 DOI: 10.1021/acs.langmuir.3c02885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Simple ball milling technology can simultaneously improve the adsorption performance of adsorbents for heavy metals and organic pollutants and has attracted increasing attention. Iron-modified biochar (Fe@MBC) was prepared by one-step ball milling, and the characterization results proved that FeCl3 was successfully loaded on biochar. The removal rates of Cr(VI) and tetracycline hydrochloride (TC) by Fe@MBC were increased by 88.27% and 82.64% compared with BC. The average pore size, oxygen-containing functional groups and graphitization degree of Fe@MBC are higher than those of BC, which is more conducive to promoting adsorption. The adsorption isotherms show that the adsorption of Cr(VI) and TC on the Fe@MBC surface conforms to the Langmuir type of single-layer adsorption and the Freundlich model of multilayer adsorption, respectively. The maximum adsorption capacities of Cr(VI) and TC are 25.46 and 66.91 mg·g-1, respectively. Kinetic experiments show that the adsorption process is more consistent with the pseudo-second-order model of chemical adsorption. The adsorption process of Cr(VI) and TC on the Fe@MBC surface is a spontaneous endothermic process that becomes more obvious as the temperature increases. The increase in solution pH has a significant impact on the removal rate of Fe@MBC. When the pH value increased from 3 to 11, the adsorption rates decreased by 53.74% and 17.16%, respectively. The presence of PO43-, CO32-, K+, and Cu2+ significantly affects the adsorption of TC by Fe@MBC, and PO43- and CO32- also affect the adsorption of Cr(VI). Mechanistic studies show that ion exchange, electrostatic interaction, pore filling, and hydrogen bonding contribute to the removal of Cr(VI) and TC by Fe@MBC. The removal mechanism of Cr(VI) also involves complexation and redox reactions, and the removal mechanism of TC involves π-π bonds and van der Waals forces. The results show that Fe@MBC is a green and efficient adsorbent.
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Affiliation(s)
- Fei Jiang
- College of Resources and Environment Science, Anhui Science and Technology University, Fengyang 233100, China
| | - Chengcheng Wei
- College of Resources and Environment Science, Anhui Science and Technology University, Fengyang 233100, China
| | - Zhongpu Yu
- College of Resources and Environment Science, Anhui Science and Technology University, Fengyang 233100, China
| | - Licheng Ji
- College of Resources and Environment Science, Anhui Science and Technology University, Fengyang 233100, China
| | - Min Liu
- College of Resources and Environment Science, Anhui Science and Technology University, Fengyang 233100, China
| | - Qi Cao
- College of Resources and Environment Science, Anhui Science and Technology University, Fengyang 233100, China
| | - Lei Wu
- College of Resources and Environment Science, Anhui Science and Technology University, Fengyang 233100, China
| | - Feiyue Li
- College of Resources and Environment Science, Anhui Science and Technology University, Fengyang 233100, China
- Institute of Soil Remediation and Solid Waste Recycling, Anhui Science and Technology University, Fengyang 233100, China
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23
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Zhou X, Wang Y, Liu H, Zhang Y, Fan Y, Mo S, Li H, Wang J, Lin H. Novel amino-modified bamboo-derived biochar-supported nano-zero-valent iron (AMBBC-nZVI) composite for efficient Cr(VI) removal from aqueous solution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:119935-119946. [PMID: 37934405 DOI: 10.1007/s11356-023-30351-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 10/03/2023] [Indexed: 11/08/2023]
Abstract
Biochar-supported nano-zero-valent iron (BC-nZVI) composites have been extensively investigated for the treatment of Cr(VI)-containing wastewater. However, the inherent oxygen-containing groups with negative charges on BC exhibit electrostatic repulsion of the electronegative Cr(VI) species, limiting Cr(VI) removal. To overcome this limitation, this study prepared and used amino-modified bamboo-derived BC (AMBBC) as a supporting matrix to synthesize a novel AMBBC-nZVI composite. The amino groups (-NH2) on AMBBC were easily protonated and transformed into positively charged ions (-NH3+), which favored the attraction of Cr(VI) to AMBBC-nZVI, enhancing Cr(VI) removal. The experimental results demonstrated that the Cr(VI) removal efficiency of AMBBC-nZVI was 95.3%, and that of BBC-nZVI was 83.8% under the same conditions. The removal of Cr(VI) by AMBBC-nZVI followed the pseudo-second-order kinetic model and Langmuir isotherm model and was found to be a monolayer chemisorption process. Thermodynamic analysis revealed that the Cr(VI) removal process was spontaneous and endothermic. The mechanism analysis of Cr(VI) removal indicated that under an acidic condition, the -NH3+ groups on AMBBC adsorbed the electronegative Cr(VI) species via electrostatic interaction, promoting the attachment of Cr(VI) on AMBBC-nZVI; the adsorbed Cr(VI) was then reduced to Cr(III) by Fe0 and Fe(II), accompanied by the formation of Fe(III); moreover, AMBBC allowed the electron shuttle of nZVI to reduce Cr(VI); finally, the Cr(III) and Fe(III) species deposited on the surface of AMBBC-nZVI as Cr(III)-Fe(III) hydroxide coprecipitates.
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Affiliation(s)
- Xiaobin Zhou
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
- Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, 541004, China
| | - Yingxue Wang
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
| | - Huili Liu
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
- Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, 541004, China
| | - Yanan Zhang
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
- Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, 541004, China
| | - Yinming Fan
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
- Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, 541004, China
| | - Shengpeng Mo
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
- Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, 541004, China
| | - Huaxia Li
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
| | - Junyi Wang
- Guangxi Heng Sheng Water Environment Management Co. Ltd., Guilin, 541004, China
| | - Hua Lin
- The Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China.
- Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin, 541004, China.
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, Guangxi, China.
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Jiang J, Hou R, Cui H, Liu D, Yan G, Fan Y, Cheng K, Cao Z. Occurrences of typical PPCPs during wastewater treatment and the composting of sewage sludge with micron-sized and nano-sized Fe 3O 4. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122386. [PMID: 37591323 DOI: 10.1016/j.envpol.2023.122386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/09/2023] [Accepted: 08/14/2023] [Indexed: 08/19/2023]
Abstract
New pollutants, pharmaceuticals and personal care products (PPCPs), accumulate in sewage sludge (SS) in wastewater treatment plants (WWTPs), posing risks to the environment and to human health. In the present study, the fates of typical PPCPs, carbamazepine (CBZ), triclosan (TCS), ibuprofen (IBU) and galaxolide (HHCB), were examined during WW treatment. Additionally, SS collected from a WWTP was used for aerobic composting to investigate the influences of micron-sized Fe3O4 (M-Fe) and nano-sized Fe3O4 (N-Fe) on the degradation of these PPCPs and the succession of microbial communities during the composting process. The results showed that the mean concentrations of CBZ, TCS, IBU and HHCB in the influent of the WWTP were 926.5, 174.4, 8869, and 967.3 ng/g, respectively, and in the effluent were 107.6, 47.0, 283.4, and 88.4 ng/g, respectively. The removal rate averaged ∼80%, while the enrichment rates of the PPCPs in SS ranged from 37.2% to 60.5%. M-Fe and N-Fe reduced NH3 emissions by 32.9% and 54.1% and N2O emissions by 26.2% and 50.8%, respectively. Moreover, the addition of M-Fe and N-Fe effectively increased PPCP degradation rates 1.12-1.66-fold. During the whole process, the additions of M-Fe and N-Fe significantly shifted microbial community structure, and the abundances of Proteobacteria, Chloroflexi, and Actinobacteria were increased during the thermophilic stage, marking them as key PPCP-degrading phyla. Taken together, our results indicated that the addition of M-Fe and N-Fe is an effective method for improving the quality of end compost and accelerating the degradation of PPCPs.
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Affiliation(s)
- Jishao Jiang
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China.
| | - Rui Hou
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Huilin Cui
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Dong Liu
- The Germplasm Bank of Wild Species, Yunnan Key Laboratory for Fungal Diversity and Green Development, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China
| | - Guangxuan Yan
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Yujuan Fan
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Ke Cheng
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Zhiguo Cao
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan, 453007, China
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Liu M, Ye Y, Xu L, Gao T, Zhong A, Song Z. Recent Advances in Nanoscale Zero-Valent Iron (nZVI)-Based Advanced Oxidation Processes (AOPs): Applications, Mechanisms, and Future Prospects. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2830. [PMID: 37947676 PMCID: PMC10647831 DOI: 10.3390/nano13212830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 11/12/2023]
Abstract
The fast rise of organic pollution has posed severe health risks to human beings and toxic issues to ecosystems. Proper disposal toward these organic contaminants is significant to maintain a green and sustainable development. Among various techniques for environmental remediation, advanced oxidation processes (AOPs) can non-selectively oxidize and mineralize organic contaminants into CO2, H2O, and inorganic salts using free radicals that are generated from the activation of oxidants, such as persulfate, H2O2, O2, peracetic acid, periodate, percarbonate, etc., while the activation of oxidants using catalysts via Fenton-type reactions is crucial for the production of reactive oxygen species (ROS), i.e., •OH, •SO4-, •O2-, •O3CCH3, •O2CCH3, •IO3, •CO3-, and 1O2. Nanoscale zero-valent iron (nZVI), with a core of Fe0 that performs a sustained activation effect in AOPs by gradually releasing ferrous ions, has been demonstrated as a cost-effective, high reactivity, easy recovery, easy recycling, and environmentally friendly heterogeneous catalyst of AOPs. The combination of nZVI and AOPs, providing an appropriate way for the complete degradation of organic pollutants via indiscriminate oxidation of ROS, is emerging as an important technique for environmental remediation and has received considerable attention in the last decade. The following review comprises a short survey of the most recent reports in the applications of nZVI participating AOPs, their mechanisms, and future prospects. It contains six sections, an introduction into the theme, applications of persulfate, hydrogen peroxide, oxygen, and other oxidants-based AOPs catalyzed with nZVI, and conclusions about the reported research with perspectives for future developments. Elucidation of the applications and mechanisms of nZVI-based AOPs with various oxidants may not only pave the way to more affordable AOP protocols, but may also promote exploration and fabrication of more effective and sustainable nZVI materials applicable in practical applications.
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Affiliation(s)
- Mingyue Liu
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, China
- Engineering Research Center of Recycling & Comprehensive Utilization of Pharmaceutical and Chemical Waste of Zhejiang Province, Taizhou University, Taizhou 318000, China
| | - Yuyuan Ye
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, China
| | - Linli Xu
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, China
| | - Ting Gao
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, China
| | - Aiguo Zhong
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, China
| | - Zhenjun Song
- School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, China
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26
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Yang L, Li H, Jin X, Chen Z. The origins of potentially superior properties and multifunctionalities of carbon-nano zero-valent iron in the carbonization pyrolysis process. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 344:118457. [PMID: 37352626 DOI: 10.1016/j.jenvman.2023.118457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/24/2023] [Accepted: 06/16/2023] [Indexed: 06/25/2023]
Abstract
Although carbon-nano zero-valent iron (C@nZVI) composites with unique properties have been used for environmental remediation, the origins of their superior properties and multifunctionalities of C@nZVI still need to be verified. Here, iron precursor nanoparticles (PML-Fe NPs) synthesized by Pinus massoniana Lamb and carbonized C@nZVI were systemically compared to reveal the origins of the structure and performance of C@nZVI composites. Characterizations showed that structure-modulated C@nZVI has favorable properties of good crystallinity, graphite carbon-rich structure but also defects when compared to PML-Fe NPs. The resultant carbon layer fundamentally improved its dispersion and anti-oxidation properties. Further experiments demonstrated that the evolution of material crystallinity, graphitization and defects affected the reaction pathway of hexavalent chromium (Cr(VI)), oxytetracycline hydrochloride (OTC), and 17β-estradiol (βE2). The multifunctionalities covered adsorption, reduction and catalytic oxidation. This study explains the origins of multifunctional C@nZVI by understanding the structure-property correlation in the carbonization process.
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Affiliation(s)
- Lu Yang
- Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental and Resource Sciences, Fujian Normal University, Fuzhou, 350117, Fujian Province, China
| | - Heng Li
- Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental and Resource Sciences, Fujian Normal University, Fuzhou, 350117, Fujian Province, China
| | - Xiaoying Jin
- Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental and Resource Sciences, Fujian Normal University, Fuzhou, 350117, Fujian Province, China.
| | - Zuliang Chen
- Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental and Resource Sciences, Fujian Normal University, Fuzhou, 350117, Fujian Province, China.
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Chen A, Huang Y, Liu H. Fabrication of Chitin microspheres supported sulfidated nano zerovalent iron and their performance in Cr (VI) removal. CHEMOSPHERE 2023; 338:139609. [PMID: 37482322 DOI: 10.1016/j.chemosphere.2023.139609] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 07/03/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
Sulfidated nanoscale zerovalent iron (S-nZVI) has been extensively studied for the reductive removal of Cr(VI), but its applicability is limited by agglomeration and unexpected efficiency reduction. In this study, chitin microsphere supported sulfidated nanoscale zero-valent iron (S-nZVI@Chi-M) was prepared by in-situ one-step reduction method and used to remove Cr(VI) from water. Compared to chitin and chitosan powder, Chi-M with nanofibrous structure and large surface area performed best in stabilizing S-nZVI with a Fe0 loading content of 3.01 wt%. The S-nZVI particles were homogeneously distributed on the surface of Chi-M, effectively avoiding agglomeration. Compared with bare nanoparticles and supported nZVI, S-nZVI@Chi-M showed significantly enhanced Cr(VI) removal capacity (924.5 mg Cr(VI) for per gram of effective Fe0). The influences of sulfidation degree, dosages, initial Cr(VI) concentration, pH, DO, humic acid and typical ions on Cr(VI) removal kinetics were further studied. S-nZVI@Chi-M could be recycled for at least 4 times with acceptable reactivity. The mechanism investigation results indicated that the Cr(VI) removal was a complex process of reduction, adsorption and co-precipitation under the synergistic effect of Chi-M and S-nZVI. This work provides new ideas for the continuous fabrication of highly reactive nanoparticles, hopefully expanding the application scope of biomass resources in pollution remediation.
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Affiliation(s)
- Aikui Chen
- Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, School of Environmental Studies, China University of Geosciences, Wuhan, 430078, China.
| | - Yao Huang
- Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, School of Environmental Studies, China University of Geosciences, Wuhan, 430078, China.
| | - Hui Liu
- Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, School of Environmental Studies, China University of Geosciences, Wuhan, 430078, China; State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430078, China
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He C, Ding Y, Li C, Yan W, Mao A, Wei S, Li M. Cost-effective core@shell structured zero-valent iron nanoparticles @ magnetic (nZVI@Fe 3O 4) for Cr(vi) removal from aqueous solutions: preparation by disproportionation of Fe(ii). RSC Adv 2023; 13:26983-26994. [PMID: 37692341 PMCID: PMC10485737 DOI: 10.1039/d3ra03133k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 08/06/2023] [Indexed: 09/12/2023] Open
Abstract
Nanoscale zero-valent iron (nZVI) and its composites are known for their excellent ability to remove Cr(vi), but their preparation can be expensive due to the reduction processes. This study presents a cost-effective method to prepare core@shell structured nZVI@Fe3O4 nanocomposites using a novel Fe(ii) disproportionation reaction. The nZVI@Fe3O4 was thoroughly characterized using various techniques, including FESEM, HRTEM, EDS, XPS, XRD, FTIR, and VSM. Batch experiments were performed to evaluate the removal efficiency of nZVI@Fe3O4 in eliminating Cr(vi) ions from aqueous solutions, while classical models were employed to investigate the influencing factors associated with the removal process. The results showed that a 0.7 mg per ml NaOH solution reacted with Fe(ii) at 150 °C for 0.5 h could be used to prepare nZVI@Fe3O4 composites efficiently and inexpensively. nZVI@Fe3O4 was able to remove more than 99% of Cr(vi) from both simulated Cr(vi) solutions and real electroplating wastewater, and the recovery and preparation could be easily performed using external magnets to separate it from the solution. At pH 6.0, the maximum adsorption capacity (qmax) for Cr(vi) reached 58.67 mg g-1. The reaction mechanism was discussed from the perspective of electron transfer. Overall, the results suggest that nZVI@Fe3O4, an efficient adsorbent prepared using an environmentally friendly and inexpensive Fe(ii) disproportionation reaction, is a promising option for the treatment of Cr(vi) from industrial wastewater and other contaminated water sources.
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Affiliation(s)
- Chuan He
- College of Metallurgical Engineering, Anhui University of Technology Ma'anshan 243000 China
- Jiuquan Vocational and Technical College Jiuquan 735000 China
| | - Yarong Ding
- College of Metallurgical Engineering, Anhui University of Technology Ma'anshan 243000 China
| | - Canhua Li
- College of Metallurgical Engineering, Anhui University of Technology Ma'anshan 243000 China
- Xuancheng Industrial Technology Research Institute, Anhui University of Technology Xuancheng 242002 China
| | - Wang Yan
- Jiuquan Vocational and Technical College Jiuquan 735000 China
| | - Aiqin Mao
- School of Materials Science and Engineering, Anhui University of Technology Ma'anshan 243000 China
| | - Shuxian Wei
- College of Metallurgical Engineering, Anhui University of Technology Ma'anshan 243000 China
| | - Minghui Li
- College of Metallurgical Engineering, Anhui University of Technology Ma'anshan 243000 China
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Abd Elnabi MK, Elkaliny NE, Elyazied MM, Azab SH, Elkhalifa SA, Elmasry S, Mouhamed MS, Shalamesh EM, Alhorieny NA, Abd Elaty AE, Elgendy IM, Etman AE, Saad KE, Tsigkou K, Ali SS, Kornaros M, Mahmoud YAG. Toxicity of Heavy Metals and Recent Advances in Their Removal: A Review. TOXICS 2023; 11:580. [PMID: 37505546 PMCID: PMC10384455 DOI: 10.3390/toxics11070580] [Citation(s) in RCA: 47] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 06/14/2023] [Accepted: 06/24/2023] [Indexed: 07/29/2023]
Abstract
Natural and anthropogenic sources of metals in the ecosystem are perpetually increasing; consequently, heavy metal (HM) accumulation has become a major environmental concern. Human exposure to HMs has increased dramatically due to the industrial activities of the 20th century. Mercury, arsenic lead, chrome, and cadmium have been the most prevalent HMs that have caused human toxicity. Poisonings can be acute or chronic following exposure via water, air, or food. The bioaccumulation of these HMs results in a variety of toxic effects on various tissues and organs. Comparing the mechanisms of action reveals that these metals induce toxicity via similar pathways, including the production of reactive oxygen species, the inactivation of enzymes, and oxidative stress. The conventional techniques employed for the elimination of HMs are deemed inadequate when the HM concentration is less than 100 mg/L. In addition, these methods exhibit certain limitations, including the production of secondary pollutants, a high demand for energy and chemicals, and reduced cost-effectiveness. As a result, the employment of microbial bioremediation for the purpose of HM detoxification has emerged as a viable solution, given that microorganisms, including fungi and bacteria, exhibit superior biosorption and bio-accumulation capabilities. This review deals with HM uptake and toxicity mechanisms associated with HMs, and will increase our knowledge on their toxic effects on the body organs, leading to better management of metal poisoning. This review aims to enhance comprehension and offer sources for the judicious selection of microbial remediation technology for the detoxification of HMs. Microbial-based solutions that are sustainable could potentially offer crucial and cost-effective methods for reducing the toxicity of HMs.
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Affiliation(s)
- Manar K. Abd Elnabi
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
- Biotechnology Program, Institute of Basic and Applied Science (BAS), Egypt-Japan University of Science and Technology, New Borg El-Arab City 21934, Egypt
| | - Nehal E. Elkaliny
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Maha M. Elyazied
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Shimaa H. Azab
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Shawky A. Elkhalifa
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Sohaila Elmasry
- Microbiology Department, Faculty of science, Damanhour University, Behaira 22514, Egypt;
| | - Moustafa S. Mouhamed
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Ebrahim M. Shalamesh
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Naira A. Alhorieny
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Abeer E. Abd Elaty
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Ibrahim M. Elgendy
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Alaa E. Etman
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Kholod E. Saad
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
| | - Konstantina Tsigkou
- Department of Chemical Engineering, University of Patras, 1 Karatheodori str, 26504 Patras, Greece;
| | - Sameh S. Ali
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Michael Kornaros
- Department of Chemical Engineering, University of Patras, 1 Karatheodori str, 26504 Patras, Greece;
| | - Yehia A.-G. Mahmoud
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt; (M.K.A.E.); (N.E.E.); (M.M.E.); (S.H.A.); (S.A.E.); (M.S.M.); (E.M.S.); (N.A.A.); (A.E.A.E.); (I.M.E.); (A.E.E.); (K.E.S.); (Y.A.-G.M.)
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Mazarji M, Bayero MT, Minkina T, Sushkova S, Mandzhieva S, Bauer TV, Soldatov A, Sillanpää M, Wong MH. Nanomaterials in biochar: Review of their effectiveness in remediating heavy metal-contaminated soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 880:163330. [PMID: 37023818 DOI: 10.1016/j.scitotenv.2023.163330] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/29/2023] [Accepted: 04/02/2023] [Indexed: 05/27/2023]
Abstract
Biochar can be used for soil remediation in environmentally beneficial manner, especially when combined with nanomaterials. After a decade of research, still, no comprehensive review was conducted on the effectiveness of biochar-based nanocomposites in controlling heavy metal immobilization at soil interfaces. In this paper, the recent progress in immobilizing heavy metals using biochar-based nanocomposite materials were reviewed and compared their efficacy against that of biochar alone. In details, an overview of results on the immobilization of Pb, Cd, Cu, Zn, Cr, and As was presented by different nanocomposites made by various biochars derived from kenaf bar, green tea, residual bark, cornstalk, wheat straw, sawdust, palm fiber, and bagasse. Biochar nanocomposite was found to be most effective when combined with metallic nanoparticles (Fe3O4 and FeS) and carbonaceous nanomaterials (graphene oxide and chitosan). This study also devoted special consideration to different remediation mechanisms by which the nanomaterials affect the effectiveness of the immobilization process. The effects of nanocomposites on soil characteristics related to pollution migration, phytotoxicity, and soil microbial composition were assessed. A future perspective on nanocomposites' use in contaminated soils was presented.
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Affiliation(s)
- Mahmoud Mazarji
- Southern Federal University, Rostov-on-Don 344006, Russian Federation; State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Muhammad Tukur Bayero
- Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Ondokuz Mayıs University, Samsun 55080, Turkey
| | - Tatiana Minkina
- Southern Federal University, Rostov-on-Don 344006, Russian Federation
| | - Svetlana Sushkova
- Southern Federal University, Rostov-on-Don 344006, Russian Federation
| | | | - Tatiana V Bauer
- Southern Federal University, Rostov-on-Don 344006, Russian Federation
| | | | - Mika Sillanpää
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein 2028, South Africa; Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia; Zhejiang Rongsheng Environmental Protection Paper Co. LTD, NO.588 East Zhennan Road, Pinghu Economic Development Zone, Zhejiang 314213, China; Department of Civil Engineering, University Center for Research & Development, Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Ming Hung Wong
- Southern Federal University, Rostov-on-Don 344006, Russian Federation; Consortium on Health, Environment, Education, and Research (CHEER), Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
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31
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Shi C, Zhao Z, Zhu N, Yu Q. Magnetic nanoparticle-assisted colonization of synthetic bacteria on plant roots for improved phytoremediation of heavy metals. CHEMOSPHERE 2023; 329:138631. [PMID: 37030349 DOI: 10.1016/j.chemosphere.2023.138631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/01/2023] [Accepted: 04/05/2023] [Indexed: 05/03/2023]
Abstract
Phytoremediation is a facile strategy to remove environmental heavy metals by using metal-accumulating plants from the rhizosphere environment. However, its efficiency is frequently compromised by the weak activity of rhizosphere microbiomes. This study developed a magnetic nanoparticle-assisted root colonization technique of synthetic functional bacteria to regulate rhizosphere microbiome composition for enhanced phytoremediation of heavy metals. The iron oxide magnetic nanoparticles with the size of 15-20 nm were synthesized and grafted by chitosan, a natural bacterium-binding polymer. The synthetic Escherichia coli SynEc2, which highly exposed an artificial heavy metal-capturing protein, was then introduced with the magnetic nanoparticles to bind the Eichhornia crassipes plants. Confocal microscopy, scanning electron microscopy, and microbiome analysis revealed that the grafted magnetic nanoparticles strongly promoted colonization of the synthetic bacteria on the plant roots, leading to remarkable change of rhizosphere microbiome composition, with the increase in the abundance of Enterobacteriaceae, Moraxellaceae, and Sphingomonadaceae. Histological staining and biochemical analysis further showed that the combination of SynEc2 and the magnetic nanoparticles protected the plants from heavy metal-induced tissue damage, and increased plant weights from 29 g to 40 g. Consequently, the plants with the assistance of synthetic bacteria and the magnetic nanoparticles in combination exhibited much higher heavy metal-removing capacity than the plants treated by the synthetic bacteria or the magnetic nanoparticles alone, leading to the decrease in the heavy metal levels from 3 mg/L to 0.128 mg/L for cadmium, and to 0.032 mg/L for lead. This study provided a novel strategy to remodel rhizosphere microbiome of metal-accumulating plants by integrating synthetic microbes and nanomaterials for improving the efficiency of phytoremediation.
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Affiliation(s)
- Cong Shi
- School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, PR China
| | - Zirun Zhao
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Department of Microbiology, College of Life Sciences, Nankai University, Tianjin, 300071, PR China
| | - Nali Zhu
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Department of Microbiology, College of Life Sciences, Nankai University, Tianjin, 300071, PR China
| | - Qilin Yu
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Department of Microbiology, College of Life Sciences, Nankai University, Tianjin, 300071, PR China.
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Xing J, Qi Z, Dong W, Chen Q, Wu M, Yi P, Pan B, Xing B. Aggregation of biochar nanoparticles and the impact on bisphenol A sorption: Experiments and molecular dynamics simulations. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162724. [PMID: 36906025 DOI: 10.1016/j.scitotenv.2023.162724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/03/2023] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
The unique properties and environmental implications of biochar nanoparticles (BNPs) have attracted increasing attention. The abundant functional groups and aromatic structures in BNPs may promote the aggregation of BNPs, but the mechanism and implications of this aggregation process remain unclear. Thus, this study investigated the aggregation of BNPs and the sorption of bisphenol A (BPA) on BNPs by combining experimental investigations with molecular dynamics simulations. As the concentration of BNP increased from 100 mg/L to 500 mg/L, the particle size increased from approximately 200 nm to 500 nm, and the exposed surface area ratio in the aqueous phase decreased from 0.46 to 0.05, which confirmed the aggregation of BNPs. The sorption of BPA on BNPs decreased with increasing BNP concentration in both the experiments and molecular dynamics simulations because of BNP aggregation. According to a detailed analysis of the BPA molecules adsorbed on BNP aggregates, the sorption mechanisms were hydrogen bonding, hydrophobic effect, and π-π interactions, which were driven by aromatic rings and O- and N-containing functional groups. The aggregation of BNPs embedded some functional groups in the aggregates and thus inhibited sorption. Interestingly, the steady configuration of the BNP aggregates in the molecular dynamics simulations (2000 ps relaxation) also determined the apparent BPA sorption. BPA molecules were adsorbed in the V-shaped interlayers of the BNP aggregates that acted as semi-closed pores, but could not be adsorbed in the parallel interlayers because of their small layer spacing. This study can provide theoretical guidance for the application of BNPs in pollution control and remediation.
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Affiliation(s)
- Jing Xing
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Zhaoxiong Qi
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Wei Dong
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Quan Chen
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China.
| | - Min Wu
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Peng Yi
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Bo Pan
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, United States
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Sánchez-Castro I, Molina L, Prieto-Fernández MÁ, Segura A. Past, present and future trends in the remediation of heavy-metal contaminated soil - Remediation techniques applied in real soil-contamination events. Heliyon 2023; 9:e16692. [PMID: 37484356 PMCID: PMC10360604 DOI: 10.1016/j.heliyon.2023.e16692] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 03/28/2023] [Accepted: 05/24/2023] [Indexed: 07/25/2023] Open
Abstract
Most worldwide policy frameworks, including the United Nations Sustainable Development Goals, highlight soil as a key non-renewable natural resource which should be rigorously preserved to achieve long-term global sustainability. Although some soil is naturally enriched with heavy metals (HMs), a series of anthropogenic activities are known to contribute to their redistribution, which may entail potentially harmful environmental and/or human health effects if certain concentrations are exceeded. If this occurs, the implementation of rehabilitation strategies is highly recommended. Although there are many publications dealing with the elimination of HMs using different methodologies, most of those works have been done in laboratories and there are not many comprehensive reviews about the results obtained under field conditions. Throughout this review, we examine the different methodologies that have been used in real scenarios and, based on representative case studies, we present the evolution and outcomes of the remediation strategies applied in real soil-contamination events where legacies of past metal mining activities or mine spills have posed a serious threat for soil conservation. So far, the best efficiencies at field-scale have been reported when using combined strategies such as physical containment and assisted-phytoremediation. We have also introduced the emerging problem of the heavy metal contamination of agricultural soils and the different strategies implemented to tackle this problem. Although remediation techniques used in real scenarios have not changed much in the last decades, there are also encouraging facts for the advances in this field. Thus, a growing number of mining companies publicise in their webpages their soil remediation strategies and efforts; moreover, the number of scientific publications about innovative highly-efficient and environmental-friendly methods is also increasing. In any case, better cooperation between scientists and other soil-related stakeholders is still required to improve remediation performance.
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Affiliation(s)
- Iván Sánchez-Castro
- Estación Experimental Del Zaidín (CSIC), Profesor Albareda 1, 18008, Granada, Spain
| | - Lázaro Molina
- Estación Experimental Del Zaidín (CSIC), Profesor Albareda 1, 18008, Granada, Spain
| | - María-Ángeles Prieto-Fernández
- Misión Biolóxica de Galicia (CSIC), Sede Santiago de Compostela, Avda de Vigo S/n. Campus Vida, 15706, Santiago de Compostela, Spain
| | - Ana Segura
- Estación Experimental Del Zaidín (CSIC), Profesor Albareda 1, 18008, Granada, Spain
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Song Y, Xie R, Tian M, Mao B, Chai F. Controllable synthesis of bifunctional magnetic carbon dots for rapid fluorescent detection and reversible removal of Hg 2. JOURNAL OF HAZARDOUS MATERIALS 2023; 457:131683. [PMID: 37276695 DOI: 10.1016/j.jhazmat.2023.131683] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/30/2023] [Accepted: 05/21/2023] [Indexed: 06/07/2023]
Abstract
Mercury is one of the most toxic heavy metals, whose identification and separation are crucial for environmental remediation. Till now, it remains a significant challenge upon simultaneous detection and removal of Hg2+. Herein, bifunctional probe magnetic carbon dots were synthesized and optimized via systematic structure manipulation of the carbon and iron precursors towards fluorescence, Hg2+ adsorption and magnetic separation. The probe exhibited blue emission at 440 nm with high quantum yield of 55 % and a high paramagnetism with the saturation magnetization value of 22.70 emu/g. Furthermore, the fluorescent detection of Hg2+ with limit of 5.40 nM and high selectivity were achieved through surface structure manipulation with moderate -NH2, -SH and Fe contents. As a result, the magnetic removal of Hg2+ was consecutively effectuated with high removal efficiency of 98.30 %. The detection and recovery of Hg2+ in real samples were further verified and demonstrated the excellent environmental tolerance of probe. The reusability was viable with recycling at least three turns by external magnet. This work not only provides a promising approach for simultaneous detection and removal of heavy metal pollution, but also provides an excellent example as a versatile platform for multifunction integration via the structure manipulation for other applications.
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Affiliation(s)
- Ying Song
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China; Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China
| | - Ruyan Xie
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China; Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China
| | - Miaomiao Tian
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China; Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China
| | - Baodong Mao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Fang Chai
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China; Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China.
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Yang J, Tian H, Guo J, He J. 3D porous carbon-embedded nZVI@Fe 2O 3 nanoarchitectures enable prominent performance and recyclability in antibiotic removal. CHEMOSPHERE 2023; 331:138716. [PMID: 37076086 DOI: 10.1016/j.chemosphere.2023.138716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 04/08/2023] [Accepted: 04/16/2023] [Indexed: 05/03/2023]
Abstract
Overcoming the instability and poor recyclability during the practical applications of contaminant scavengers is a challenging topic. Herein, a three-dimensional (3D) interconnected carbon aerogel (nZVI@Fe2O3/PC) embedding a core-shell nanostructure of nZVI@Fe2O3 was elaborately designed and fabricated via an in-situ self-assembly process. The porous carbon with 3D network architecture exhibits strong adsorption towards various antibiotic contaminants in water, where the stably embedded nZVI@Fe2O3 nanoparticles not only serve as magnetic seeds for recycling, but also avoid the shedding and oxidation of nZVI in the adsorption process. As a result, nZVI@Fe2O3/PC efficiently captures sulfamethoxazole (SMX), sulfamethazine (SMZ), ciprofloxacin (CIP), tetracycline (TC) and other antibiotics in water. In particular, an excellent adsorptive removal capacity of 329 mg g-1 and a rapid capture kinetics (99% of removal efficiency in 10 min) under a wide pH adaptability (2-8) are achieved using nZVI@Fe2O3/PC as an SMX scavenger. nZVI@Fe2O3/PC displays exceptional long-term stability given that it shows excellent magnetic property after it is stored in water solution for 60 d, making it an ideal stable scavenger for contaminants in an etching-resistant and efficient manner. This work would also provide a general strategy to develop other stable iron-based functional architectures for efficient catalytic degradation, energy conversion and biomedicine.
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Affiliation(s)
- Jianzheng Yang
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, And Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hua Tian
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, And Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
| | - Jianrong Guo
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, And Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Junhui He
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, And Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
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Preparation and characterization of bimetallic zero-valent iron nanocatalysts for nitrophenol degradation. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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Feng Z, Zheng Y, Wang H, Feng C, Chen N, Wang S. Sodium humate based double network hydrogel for Cu and Pb removal. CHEMOSPHERE 2023; 313:137558. [PMID: 36526144 DOI: 10.1016/j.chemosphere.2022.137558] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/07/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Sodium humate (SH) is one of the derivatives humic substances, which can be utilized for heavy metal removal from water due to its containing plenty of functional groups. In this study, a double network hydrogel SH/polyacrylamide (SH/PAM) was synthesized by a simple free-radical polymerization and used for Cu2+ and Pb2+ removal from water. The adsorption process can be well described by Langmuir-Freundlich model, indicating that both physical and chemical adsorption were involved. X-ray photoelectron spectroscopy (XPS) characterization demonstrated that complexation was the main mechanism for the adsorption. Two-dimensional correlation analysis of FTIR (2D-FTIR-COS) results showed that the variation order of functional groups during Cu2+ and Pb2+ adsorption in the following order: COOH ≈ -CO > -OH > C-O and -COOH ≈ C-O > -CO > -OH, respectively. According to the density functional theory (DFT) calculation results, the O atom of SH in the COO- was the main adsorption site. Meanwhile, the adsorption energy of Pb2+ was more negative than that of Cu2+ and the orbital hybridization between O atom of SH and Pb2+ was denser than that of Cu2+, which suggested that SH/PAM had a stronger combining capacity for Pb2+ than Cu2+. Therefore, the adsorption capacity for Pb2+ was larger than Cu2+. Moreover, the removal efficiencies are 30.2% for Al, 98.79% for Cu, 99.0% for Fe, 17.2% for Mn, 93.4% for Pb, and 62.4% for Zn in actual acid mine drainage using 6 g L-1 adsorbent. Collectively, this study not only provided a new adsorbent for heavy metal removal but also explicated the mechanism of heavy metal removal by SH from molecule and electron perspective, which is helpful for the application of SH in the environmental field.
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Affiliation(s)
- Zhengyuan Feng
- School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Yuhan Zheng
- College of Environmental Sciences and Engineering, Peking University, Beijing, 100084, PR China
| | - Haishuang Wang
- School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Chuanping Feng
- School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China.
| | - Nan Chen
- School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing, 100083, PR China.
| | - Shizhong Wang
- School of Environmental Science and Engineering, Guangdong Provincial Key Lab of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, 510275, PR China
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Li H, Ren Z, Huang D, Jing Q, Tang H. Removal of Hexavalent Chromium in Aqueous Solution by Cellulose Filter Paper Loaded with Nano-Zero-Valent Iron: Performance Investigation and Numerical Modeling. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1867. [PMID: 36767247 PMCID: PMC9915128 DOI: 10.3390/ijerph20031867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 06/18/2023]
Abstract
Cr(VI) pollution in water bodies is very harmful to human health and the environment. Therefore, it is necessary to remove Cr(VI) from water. In this study, the composite (FP-nZVI) was prepared by loading nano-zero-valent iron (nZVI) onto cellulose filter paper (FP) using a liquid-phase reduction method to improve the dispersibility and oxidation resistance of nZVI. In batch experiments, the effects of iron loading of FP-nZVI, initial concentration of Cr(VI), temperature, and pH on Cr(VI) removal were particularly investigated. The maximum removal rate of 98.6% was achieved at 25 °C, pH = 5, initial concentration of Cr(VI) of 20 mg/L, and FeCl3·6H2O solution concentration of 0.8 mol/L. The removal of Cr(VI) by FP-nZVI conformed to a pseudo-second-order kinetic model and Langmuir isotherm model. The mechanism of Cr(VI) removal was a multi-step removal mechanism, involving adsorption, reduction, and coprecipitation. Column experiments investigated the effect of flow rate (1 mL/min, 3 mL/min, and 5 mL/min) on Cr(VI) removal. We found that increasing flow rate slightly decreased the removal rate of Cr(VI). The transport of Cr(VI) in composite porous media was simulated using HYDRUS-1D, and the results show that the two-site model can well simulate the reactive transport of Cr(VI). This study may provide a useful reference for the remediation of groundwater contaminated with Cr(VI) or other similar heavy metals using FP-nZVI.
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Affiliation(s)
- Huali Li
- Institute of Water Resources and Engineering, Beijing University of Technology, Beijing 100124, China
| | - Zhongyu Ren
- Institute of Water Resources and Engineering, Beijing University of Technology, Beijing 100124, China
| | - Dan Huang
- Songliao Water Conservancy Commission, Songliao Basin Water and Soil Conservation Monitoring Center Station, Changchun 130021, China
| | - Qi Jing
- Institute of Water Resources and Engineering, Beijing University of Technology, Beijing 100124, China
| | - Haokai Tang
- Institute of Water Resources and Engineering, Beijing University of Technology, Beijing 100124, China
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Yang L, Jin X, Lin Q, Owens G, Chen Z. Enhanced adsorption and reduction of Pb(II) and Zn(II) from mining wastewater by carbon@nano-zero-valent iron (C@nZVI) derived from biosynthesis. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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40
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Yang Y, Wang Y, Li X, Xue C, Dang Z, Zhang L, Yi X. Effects of synthesis temperature on ε-MnO 2 microstructures and performance: Selective adsorption of heavy metals and the mechanism onto (100) facet compared with (001). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 315:120218. [PMID: 36152710 DOI: 10.1016/j.envpol.2022.120218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/15/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
The heavy-metal adsorbent ε-MnO2 was produced through a simple, one-step oxidation-reduction reaction at three different synthesis temperatures (25 °C, 50 °C and 75 °C) and their morphology and chemical-physical properties were compared. Of the three materials, MnO2-25 had the largest specific surface area and the highest surface hydroxyl concentration. Its optimal performance was demonstrated by batch adsorption experiments with Pb2+, Cd2+ and Cu2+. Of the three metals, Pb2+ was adsorbed best (339.15 mg/g), followed by Cd2+ (107.50 mg/g) and Cu2+ (86.30 mg/g). When all three metals were present, Pb2+ was still absorbed best but now more Cu2+ was adsorbed than Cd2+. In order to explore the mechanism for the inconsistent adsorption order of Cd2+ and Cu2+ in single and competitive adsorption, we combined experimental data with density functional theory (DFT) calculations to elucidate the distinct adsorption nature of MnO2-25 towards these three metals. This revealed that the adsorption affinity of the (100) facet was superior to (001), and since the surface complexes were also more stable on (100), this facet was most likely determining the adsorption order for the single metals. When the metals were present in combination, Pb2+ preferentially occupied the active adsorption sites of (100), forcing Cu2+ to be adsorbed on the (001) facet where Cd2+ was only poorly bound. Thus, the adsorption behavior was affected by MnO2-25 surface chemistry at a molecular scale. This study provides an in-depth understanding of the adsorption mechanisms of the heavy metals on this adsorbent and offers theoretical guidance for production of adsorbent with improved removal efficiency.
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Affiliation(s)
- Yuebei Yang
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, PR China
| | - Yaozhong Wang
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, PR China
| | - Xiaofei Li
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, PR China
| | - Chao Xue
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, PR China
| | - Zhi Dang
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, South China University of Technology, Guangzhou, 510006, PR China
| | - Lijuan Zhang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510006, PR China
| | - Xiaoyun Yi
- School of Environment and Energy, South China University of Technology, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, South China University of Technology, Guangzhou, 510006, PR China.
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Musarurwa H, Tavengwa NT. Recyclable polysaccharide/stimuli-responsive polymer composites and their applications in water remediation. Carbohydr Polym 2022; 298:120083. [DOI: 10.1016/j.carbpol.2022.120083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/20/2022] [Accepted: 09/02/2022] [Indexed: 11/02/2022]
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Masood Ul Hasan I, Javed H, Hussain MM, Shakoor MB, Bibi I, Shahid M, Xu N, Wei Q, Qiao J, Niazi NK. Biochar/nano-zerovalent zinc-based materials for arsenic removal from contaminated water. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2022; 25:1155-1164. [PMID: 36355569 DOI: 10.1080/15226514.2022.2140778] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In this study, we explored the potential of a newly prepared nano-zero valent zinc (nZVZn), biochar (BC)/nZVZn and BC/hydroxyapatite-alginate (BC/HA-alginate) composites for the removal of inorganic As species from water. Relatively, higher percentage removal of As(III) and As(V) was obtained by nZVZn at pH 3.4 (96% and 94%, respectively) compared to BC/nZVZn (90% and 88%) and BC/HA-alginate (88% and 80%) at pH 7.2. Freundlich model provided the best fit (R2 = up to 0.98) for As(III) and As(V) sorption data of all the sorbents, notably for nZVZn. The pseudo-second order model well-described kinetics of As(III) and As(V) (R2 = 0.99) sorption on all the sorbents. The desorption experiments demonstrated that the As removal efficiency, up to the third sorption/desorption cycle, was in the order of nZVZn ∼ BC/HA-alginate (88%) > BC/nZVZn (84%). The Fourier transform infrared spectroscopy depicted that the -OH, -COOH, Zn-O and Zn-OH surface functional groups were responsible for the sorption of As(III) or As(V) on the sorbents investigated here. This study highlights that removal of As species from water by BC/nZVZn composite can be compared with nZVZn, suggesting that integrating BC with nZVZn could efficiently remove As from As-contaminated drinking water.
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Affiliation(s)
- Israr Masood Ul Hasan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Environmental Science and Engineering, Donghua University, Shanghai, China
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Haram Javed
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Muhammad Mahroz Hussain
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | | | - Irshad Bibi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Muhammad Shahid
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari, Pakistan
| | - Nengneng Xu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Environmental Science and Engineering, Donghua University, Shanghai, China
| | - Qunshan Wei
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Jinli Qiao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Environmental Science and Engineering, Donghua University, Shanghai, China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, China
| | - Nabeel Khan Niazi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
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Wei J, Duan Y, Li M, Lin H, Lv J, Chen Z, Lin J, Song H, Zhang R, Li L, Huang L. A novel manganese sulfide encapsulating biochar-dispersed zero-valent iron composite for high removal ability of Cr(VI) in water and its mechanism. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Cao W, Zhang W, Guo Z. Carbon-based zero valent iron catalyst for NO X removal at low temperatures: performance and kinetic study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:80353-80365. [PMID: 35716304 DOI: 10.1007/s11356-022-20961-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
In order to solve the problem of nitrous oxide (NOX) removal at low temperatures, the carbon-based zero valent iron (C-ZFe) catalyst was prepared and studied. According to the kinetic study and the obtained kinetic parameters, the De-NOX reactor was designed to provide information for industrial applications. The box-behnken experimental design (BBD) was used to study the performance of C-ZFe, and the optimized operating parameters were obtained as the temperature was 408.15 K, the catalyst bed height was 140 cm (the space velocity was 459 h-1), the concentration of NO was 550 ppm, under which the NOX conversion was 72.7%. A kinetic model based on Langmuir-Hinshelwood (L-H) and Mars Van Krevelen mechanism was used to describe the kinetics for the reduction of NO by C-ZFe at low temperatures. Scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), surface area and pore size distribution measurements, X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) results supported the validity of the model proposed. The gas-solid catalytic kinetic process of NO removal by C-ZFe was a quasi-first-order kinetic reaction, the apparent activation energy was 41.57 kJ/mol, and the pre-exponential factor was 2980 min-1.
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Affiliation(s)
- Wan Cao
- Industrial Furnace Research Institute, College of Metallurgy, Northeastern University, NO. 3-11, Wenhua Road, Heping District, Shenyang, 110819, Liaoning, China
| | - Weijun Zhang
- Industrial Furnace Research Institute, College of Metallurgy, Northeastern University, NO. 3-11, Wenhua Road, Heping District, Shenyang, 110819, Liaoning, China.
| | - Ziyang Guo
- Industrial Furnace Research Institute, College of Metallurgy, Northeastern University, NO. 3-11, Wenhua Road, Heping District, Shenyang, 110819, Liaoning, China
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Zheng Y, Zhang X, Wu M, Liu Y, Zhan J. Enhanced selective nitrate-to-nitrogen reduction by aerosol-assisted iron-carbon composites: Insights into the key factors. CHEMOSPHERE 2022; 303:134819. [PMID: 35595108 DOI: 10.1016/j.chemosphere.2022.134819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/25/2022] [Accepted: 04/29/2022] [Indexed: 06/15/2023]
Abstract
In this study, an aerosol-assisted Fe0/C (carbon supported zero-valent iron) composite was prepared and evaluated, which could effectively remove nitrate and exhibit high nitrogen selectivity. The results show that the selectivity of nitrogen for freshly prepared Fe0/C composites could reach 52.2% when pH at 7, compared to that of 7.7% for traditional nZVI. Meanwhile, the removal efficiency of nitrate was slightly increased from 63.5% to 69.9%. Furthermore, a variety of methods such as SEM, TEM, XRD, XPS, BET, FTIR and TGA were used to characterize the Fe0/C composites before and after reaction. Hence, the following key factors were determined for the effective conversion from nitrate to nitrogen: the surface of zero valent iron particle should be protected from oxidation and its genuine characteristics are well retained; the reaction should be controlled under an anaerobic condition; and the carbon as the carrier to support iron particles is very important; lower initial pH favors nitrogen generation. Various materials including aged Fe0/C composites, Fe0/SiO2 (SiO2 supported zero-valent iron) composites and nZVI particles in the deoxygenated and oxygenated systems were assessed for comparison.
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Affiliation(s)
- Yueshi Zheng
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, PR China
| | - Xiujuan Zhang
- School of Petroleum and Chemical Engineering, Dalian University of Technology, Panjin, 124221, PR China
| | - Minghuo Wu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, PR China
| | - Yang Liu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, PR China
| | - Jingjing Zhan
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, PR China.
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46
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Cheng Q, Li Q, Huang X, Li X, Wang Y, Liu W, Lin Z. The high efficient Sb(III) removal by cauliflower like amorphous nanoscale zero-valent iron (A-nZVI). JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129056. [PMID: 35569373 DOI: 10.1016/j.jhazmat.2022.129056] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/19/2022] [Accepted: 04/29/2022] [Indexed: 06/15/2023]
Abstract
In this study, cauliflower like amorphous nanoscale zero-valent iron (A-nZVI) was prepared and its performance on the removal of Sb(III) was investigated and compared with that of nZVI. The results indicated that the removal of Sb(III) by nZVI and A-nZVI followed the pseudo-second-order kinetic model and Langmuir isotherm model, but the removal of Sb(III) by A-nZVI was more stable and its removal capacity (558.2 mg/g) is much higher than that of nZVI (91.3 mg/g). Moreover, the effects of initial Sb(III) concentration, initial pH and anions such as Cl-, NO3-, SO42-, PO43-, and AsO43- were also investigated. A-nZVI showed extremely high selectivity towards Sb(III) in that 500 mg/L of AsO43- and PO43- shows little impact on its removal, while the removal of Sb(III) by nZVI was almost inhibited under the same condition. The combination of SEM-EDS, XPS, XRD and FTIR revealed the removal of Sb(III) by nZVI and A-nZVI were synergistic effects of oxidation and adsorption, but less Sb(III) (39.5%) was oxidized by A-nZVI. More γ-FeOOH and γ-Fe2O3 were formed at the surface of A-nZVI during the reaction. Both oxides have high affinity toward Sb(III), which might cause the higher removal capacity and selectivity for the removal of Sb(III) by A-nZVI. In conclusion, A-nZVI showed great potential for the remediation of Sb(III) in groundwater.
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Affiliation(s)
- Qi Cheng
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong 510006, PR China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), South China University of Technology, Guangzhou 510006, PR China
| | - Qingrui Li
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong 510006, PR China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), South China University of Technology, Guangzhou 510006, PR China
| | - Xiaojie Huang
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong 510006, PR China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), South China University of Technology, Guangzhou 510006, PR China
| | - Xiaoqin Li
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong 510006, PR China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), South China University of Technology, Guangzhou 510006, PR China.
| | - Yunyan Wang
- Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, School of Metallurgy and Environment, Central South University, Changsha, Hunan 410083, PR China.
| | - Weizhen Liu
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong 510006, PR China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), South China University of Technology, Guangzhou 510006, PR China
| | - Zhang Lin
- Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, School of Metallurgy and Environment, Central South University, Changsha, Hunan 410083, PR China
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Sun P, Wang Z, An S, Zhao J, Yan Y, Zhang D, Wu Z, Shen B, Lyu H. Biochar-supported nZVI for the removal of Cr(VI) from soil and water: Advances in experimental research and engineering applications. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 316:115211. [PMID: 35561491 DOI: 10.1016/j.jenvman.2022.115211] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/22/2022] [Accepted: 04/30/2022] [Indexed: 06/15/2023]
Abstract
Over the past decade, biochar-supported nZVI composites (nZVI/biochar) have been developed and applied to treat various pollutants due to their excellent physical and chemical properties, especially in the field of chromium (VI) removal. This paper reviewed the factors influencing the preparation and experiments of nZVI/biochar composites, optimization methods, column experimental studies and the mechanism of Cr(VI) removal. The results showed that the difference in raw materials and preparation temperature led to the difference in functional groups and electron transfer capabilities of nZVI/biochar materials. In the experimental process, pH and test temperature can affect the surface chemical properties of materials and involve the electron transfer efficiency. Elemental doping and microbial coupling can effectively improve the performance of nZVI/biochar composites. In conclusion, biochar can stabilize nZVI and enhance electron transfer in nZVI/biochar materials, enabling the composite materials to remove Cr(VI) efficiently. The study of column experiments provides a theoretical basis for applying nZVI/biochar composites in engineering. Finally, the future work prospects of nZVI/biochar composites for heavy metal removal are introduced, and the main challenges and further research directions are proposed.
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Affiliation(s)
- Peng Sun
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China
| | - Zhiqiang Wang
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China
| | - Shengwei An
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China
| | - Jian Zhao
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China
| | - Yichen Yan
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China
| | - Daijie Zhang
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China
| | - Zhineng Wu
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China.
| | - Boxiong Shen
- School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, 300401, China
| | - Honghong Lyu
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, 300401, China.
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Cao J, Yang Q, Jiang J, Dalu T, Kadushkin A, Singh J, Fakhrullin R, Wang F, Cai X, Li R. Coronas of micro/nano plastics: a key determinant in their risk assessments. Part Fibre Toxicol 2022; 19:55. [PMID: 35933442 PMCID: PMC9356472 DOI: 10.1186/s12989-022-00492-9] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 07/08/2022] [Indexed: 12/17/2022] Open
Abstract
As an emerging pollutant in the life cycle of plastic products, micro/nanoplastics (M/NPs) are increasingly being released into the natural environment. Substantial concerns have been raised regarding the environmental and health impacts of M/NPs. Although diverse M/NPs have been detected in natural environment, most of them display two similar features, i.e.,high surface area and strong binding affinity, which enable extensive interactions between M/NPs and surrounding substances. This results in the formation of coronas, including eco-coronas and bio-coronas, on the plastic surface in different media. In real exposure scenarios, corona formation on M/NPs is inevitable and often displays variable and complex structures. The surface coronas have been found to impact the transportation, uptake, distribution, biotransformation and toxicity of particulates. Different from conventional toxins, packages on M/NPs rather than bare particles are more dangerous. We, therefore, recommend seriously consideration of the role of surface coronas in safety assessments. This review summarizes recent progress on the eco-coronas and bio-coronas of M/NPs, and further discusses the analytical methods to interpret corona structures, highlights the impacts of the corona on toxicity and provides future perspectives.
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Affiliation(s)
- Jiayu Cao
- School of Public Health, Soochow University, Suzhou, 215123, Jiangsu, China
| | - Qing Yang
- School of Public Health, Soochow University, Suzhou, 215123, Jiangsu, China
| | - Jie Jiang
- State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Suzhou, 215123, Jiangsu, China
| | - Tatenda Dalu
- School of Biology and Environmental Sciences, University of Mpumalanga, Nelspruit, 1200, South Africa
| | - Aliaksei Kadushkin
- Department of Biological Chemistry, Belarusian State Medical University, 220116, Minsk, Belarus
| | - Joginder Singh
- Department of Microbiology, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Rawil Fakhrullin
- Kazan Federal University, Institute of Fundamental Medicine & Biology, Kreml Uramı 18, Kazan, Republic of Tatarstan, Russian Federation, 420008
| | - Fangjun Wang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, 116023, Liaoning, China
| | - Xiaoming Cai
- School of Public Health, Soochow University, Suzhou, 215123, Jiangsu, China.
| | - Ruibin Li
- State Key Laboratory of Radiation Medicine and Protection, Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Suzhou, 215123, Jiangsu, China.
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Green Synthesis of Nanoparticles by Mushrooms: A Crucial Dimension for Sustainable Soil Management. SUSTAINABILITY 2022. [DOI: 10.3390/su14074328] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Soil is the main component in the agroecosystem besides water, microbial communities, and cultivated plants. Several problems face soil, including soil pollution, erosion, salinization, and degradation on a global level. Many approaches have been applied to overcome these issues, such as phyto-, bio-, and nanoremediation through different soil management tools. Mushrooms can play a vital role in the soil through bio-nanoremediation, especially under the biological synthesis of nanoparticles, which could be used in the bioremediation process. This review focuses on the green synthesis of nanoparticles using mushrooms and the potential of bio-nanoremediation for polluted soils. The distinguished roles of mushrooms of soil improvement are considered a crucial dimension for sustainable soil management, which may include controlling soil erosion, improving soil aggregates, increasing soil organic matter content, enhancing the bioavailability of soil nutrients, and resorting to damaged and/or polluted soils. The field of bio-nanoremediation using mushrooms still requires further investigation, particularly regarding the sustainable management of soils.
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50
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Effect of Combined Soil Amendment on Immobilization of Bioavailable As and Pb in Paddy Soil. TOXICS 2022; 10:toxics10020090. [PMID: 35202276 PMCID: PMC8878171 DOI: 10.3390/toxics10020090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/04/2022] [Accepted: 02/14/2022] [Indexed: 02/05/2023]
Abstract
Heavy metal pollution in soil can have detrimental effects on soil ecosystems and human health. In situ remediation techniques are widely used to reduce the bioavailable fractions of heavy metals in soil. The main objective of this study was to examine the reduction of the bioavailable fractions of As and Pb in paddy soil with artificial lightweight material (ALM) manufactured from recycled materials. A total of four treatments, including a control (no amendment), ALM10 (10% of ALM in soil), ALM10+L (10% ALM combined with 0.5% lime), and ALM10+FeO (10% ALM combined with 0.5% FeO), were applied to paddy fields, and rice (Oryza sativa L.) was cultivated after 32 weeks. The highest reduction efficiencies for the bioavailable fractions of As and Pb in soil were observed in the ALM10+FeO (52.8%) and ALM10+L treatments (65.7%), respectively. The uptake of As decreased by 52.1% when ALM10+FeO was applied to paddy soil, and that of Pb decreased by 79.7% when ALM10+L was applied. Correlation analysis between bioavailable heavy metals in soil and soil chemical properties showed that soil pH, electrical conductivity (EC), P2O5, and soil organic matter (SOM) were the main factors controlling the mobility and bioavailability of As and Pb. Overall, the efficiencies of As and Pb reduction increased synergistically in both soil and plants when FeO and lime were combined with the ALM. In future studies, long-term monitoring is necessary to examine the longevity of soil amendments.
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