1
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Zhou X, Li B, Zhao Q. Effective removal and adsorption mechanism of fluoride from water by biochar-based Ce(III)-La(III)-crosslinked sodium alginate hybrid hydrogel. Int J Biol Macromol 2024; 272:132925. [PMID: 38844281 DOI: 10.1016/j.ijbiomac.2024.132925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 05/25/2024] [Accepted: 06/03/2024] [Indexed: 06/16/2024]
Abstract
An eco-friendly macroparticle biochar (BC)-based Ce(III)-La(III) crosslinked sodium alginate (SA) hybrid hydrogel (BC/Ce-SA-La) was synthesized by droplet polymerization and characterized by SEM-EDS, XRD, FTIR, UV-Vis and XPS. The effects of dosage, pH, contact time, temperature and coexisting ions on the F- ions removal by hybrid hydrogel, and the adsorption performance, interaction mechanism and reusability were investigated. The results demonstrate that the composite has a fancy wrinkle structure with a particle size of about 1.8 mm and abundant porosity on the surface. The removal rate of F- ions by BC/Ce-SA-La reached 90.2 % under the conditions of pH 2.0, 200 min of contact time and 298 K. The adsorption behavior was perfectly explained by Langmuir model, and the maximum adsorption capacity reached 129 mg/g. The adsorption process was an endothermic spontaneous reaction and followed Pseudo-second-order rate model. The strong adsorption was attributed to multi-interactions including complexation, hydrogen bonding and electrostatic adsorption between the composite and F- ions. Coexisting ions hardly interfered with the adsorption of F- ions by BC/Ce-SA-La except for a slight effect of phosphate. The composite after F- ion adsorption was easily separated and could be reused at least three times. BC/Ce-SA-La is a cost-effective and promising granular biosorbent.
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Affiliation(s)
- Xueying Zhou
- Chemistry & Environment Science College, Inner Mongolia Normal University, China; Inner Mongolia Key Laboratory of Environmental Chemistry, Hohhot 010022, China
| | - Beigang Li
- Chemistry & Environment Science College, Inner Mongolia Normal University, China; Inner Mongolia Key Laboratory of Environmental Chemistry, Hohhot 010022, China.
| | - Qiange Zhao
- Chemistry & Environment Science College, Inner Mongolia Normal University, China; Inner Mongolia Key Laboratory of Environmental Chemistry, Hohhot 010022, China
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2
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Zainab N, Glick BR, Bose A, Amna, Ali J, Rehman FU, Paker NP, Rengasamy K, Kamran MA, Hayat K, Munis MFH, Sultan T, Imran M, Chaudhary HJ. Deciphering the mechanistic role of Bacillus paramycoides (PM51) and Bacillus tequilensis (PM52) in bio-sorption and phyto-assimilation of Cadmium via Linum usitatissimum L. Seedlings. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 211:108652. [PMID: 38723488 DOI: 10.1016/j.plaphy.2024.108652] [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: 12/28/2023] [Revised: 04/09/2024] [Accepted: 04/19/2024] [Indexed: 05/26/2024]
Abstract
Three Cd2+ resistant bacterium's minimal inhibition concentrations were assessed and their percentages of Cd2+ accumulation were determined by measurements using an atomic absorption spectrophotometer (AAS). The results revealed that two isolates Bacillus paramycoides (PM51) and Bacillus tequilensis (PM52), identified by 16S rDNA gene sequencing, showed a higher percentage of Cd2+ accumulation i.e., 83.78% and 81.79%, respectively. Moreover, both novel strains can tolerate Cd2+ levels up to 2000 mg/L isolated from district Chakwal. Amplification of the czcD, nifH, and acdS genes was also performed. Batch bio-sorption studies revealed that at pH 7.0, 1 g/L of biomass, and an initial 150 mg/L Cd2+ concentration were the ideal bio-sorption conditions for Bacillus paramycoides (PM51) and Bacillus tequilensis (PM52). The experimental data were fit to Langmuir isotherm measurements and Freundlich isotherm model R2 values of 0.999 for each of these strains. Bio sorption processes showed pseudo-second-order kinetics. The intra-diffusion model showed Xi values for Bacillus paramycoides (PM51) and Bacillus tequilensis (PM52) of 2.26 and 2.23, respectively. Different surface ligands, was investigated through Fourier-transformation infrared spectroscopy (FTIR). The scanning electron microscope SEM images revealed that after Cd2+ adsorption, the cells of both strains became thick, adherent, and deformed. Additionally, both enhanced Linum usitatissimum plant seed germination under varied concentrations of Cd2+ (0 mg/L, 250 mg/L,350 mg/L, and 500 mg/L). Current findings suggest that the selected strains can be used as a sustainable part of bioremediation techniques.
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Affiliation(s)
- Nida Zainab
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Bernard R Glick
- Department of Biology, University of Water Loo, Ontario, Canada
| | - Arpita Bose
- Department of Biology Washington University in St. Louis (WUSTL), United States
| | - Amna
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan; Department of Botany, Rawalpindi Women University, 6th Road Sattellite Town, Rawalpindi, Pakistan
| | - Javed Ali
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Fazal Ur Rehman
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan; Tasmanian Institute of Agriculture, New Town Research Laboratories, University of Tasmania, Tasmania, Australia
| | - Najeeba Parre Paker
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | | | - Muhammad Aqeel Kamran
- College of Environmental and Resource Sciences, Zhejiang University Hangzhou China, China
| | - Kashif Hayat
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | | | - Tariq Sultan
- Land Resource Research Institute, NARC, Islamabad, Pakistan
| | - Muhammad Imran
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan; Department of Microbiology, Quaid-i-Azam University, Islamabad, Pakistan
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3
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Zeng W, Lu Y, Zhou J, Zhang J, Duan Y, Dong C, Wu W. Simultaneous removal of Cd(II) and As(V) by ferrihydrite-biochar composite: Enhanced effects of As(V) on Cd(II) adsorption. J Environ Sci (China) 2024; 139:267-280. [PMID: 38105054 DOI: 10.1016/j.jes.2023.04.020] [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: 12/30/2022] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 12/19/2023]
Abstract
The coexistence of cadmium (Cd(II)) and arsenate (As(V)) pollution has long been an environmental problem. Biochar, a porous carbonaceous material with tunable functionality, has been used for the remediation of contaminated soils. However, it is still challenging for the dynamic quantification and mechanistic understanding of the simultaneous sequestration of multi-metals in biochar-engineered environment, especially in the presence of anions. In this study, ferrihydrite was coprecipitated with biochar to investigate how ferrihydrite-biochar composite affects the fate of heavy metals, especially in the coexistence of Cd(II) and As(V). In the solution system containing both Cd(II) and As(V), the maximum adsorption capacities of ferrihydrite-biochar composite for Cd(II) and As(V) reached 82.03 µmol/g and 531.53 µmol/g, respectively, much higher than those of the pure biochar (26.90 µmol/g for Cd(II), and 40.24 µmol/g for As(V)) and ferrihydrite (42.26 µmol/g for Cd(II), and 248.25 µmol/g for As(V)). Cd(II) adsorption increased in the presence of As(V), possibly due to the changes in composite surface charge in the presence of As(V), and the increased dispersion of ferrihydrite by biochar. Further microscopic and mechanistic results showed that Cd(II) complexed with both biochar and ferrihydrite, while As(V) was mainly complexed by ferrihydrite in the Cd(II) and As(V) coexistence system. Ferrihydrite posed vital importance for the co-adsorption of Cd(II) and As(V). The different distribution patterns revealed by this study help to a deeper understanding of the behaviors of cations and anions in the natural environment.
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Affiliation(s)
- Wenjun Zeng
- College of Sciences, Nanjing Agricultural University, Nanjing 210095, China; South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China; Guangdong Engineering & Technology Research Center for System Control of Livestock and Poultry breeding Pollution, Guangzhou 510655, China
| | - Yang Lu
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China; Guangdong Engineering & Technology Research Center for System Control of Livestock and Poultry breeding Pollution, Guangzhou 510655, China
| | - Jingyan Zhou
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China; Guangdong Engineering & Technology Research Center for System Control of Livestock and Poultry breeding Pollution, Guangzhou 510655, China
| | - Jie Zhang
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China; Guangdong Engineering & Technology Research Center for System Control of Livestock and Poultry breeding Pollution, Guangzhou 510655, China
| | - Yuanxiao Duan
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China; Guangdong Engineering & Technology Research Center for System Control of Livestock and Poultry breeding Pollution, Guangzhou 510655, China
| | - Changxun Dong
- College of Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Wencheng Wu
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China; Guangdong Engineering & Technology Research Center for System Control of Livestock and Poultry breeding Pollution, Guangzhou 510655, China.
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4
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Din SU, Murtaza Awan J, Imran M, Ahmad P, Haq S, Shakil S, Al-mugren K, Alotibi S, Alharthi AI, Khan MS, Khandaker MU. Qualitative and Quantitative Investigation of Biochar-Cu 0 Composite for Nickel Adsorption. ACS OMEGA 2023; 8:39186-39193. [PMID: 37901509 PMCID: PMC10600888 DOI: 10.1021/acsomega.3c04456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 09/28/2023] [Indexed: 10/31/2023]
Abstract
The current investigation deals with the treatment of water pollution that is caused by the leaching of nickel ions from the metallurgical industry and new-energy batteries. Therefore, an eco-friendly treatment of nickel through the use of a composite of cotton stalk biochar with nanozerovalent copper has been presented in this investigation signifying the impact of zerovalent copper in enhancing the adsorption capacity of biochar for nickel adsorption. Thermogravimetric analysis data showed the adsorbent to be significantly stable in the higher thermal range, whereas transmission electron microscopy analysis confirmed the particles to be 27 nm and also showed the cubic geometry of the particles. A much closer scanning electron microscopy analysis shows the morphology of particles to be cubic in shape. Batch adsorption indicated a positive influence of pH increase on adsorption due to the electrostatic attraction between positive nickel ions and post point of zero charge (pHPZC) negative surface of copper biochar composite (pH > 5.5). A high adsorption rate was observed in the first 60 min, whereas adsorption increased with the increase in temperature from 303 to 318 K. Kinetic modeling confirmed the pseudo-first-order to fit best to the data. The apparent activation energy (11.96 kJ mol-1) is indicative of the chemical nature of the process. The adsorption data fitted well to the Langmuir adsorption model. The negative values of apparent ΔG° and the positive values of apparent ΔH° indicate the spontaneity and endothermicity of the process, respectively, whereas the positive values of apparent ΔS° point toward increased randomness during the process. Postadsorption XPS suggests the adsorption of nickel on the surface of biochar composites in the form of Ni(OH)2 and NiO(OH).
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Affiliation(s)
- Salah Ud Din
- Department
of Chemistry, University of Azad Jammu and
Kashmir, Muzaffarabad 13100, Azad Kashmir, Pakistan
| | - Junaid Murtaza Awan
- Department
of Chemistry, University of Azad Jammu and
Kashmir, Muzaffarabad 13100, Azad Kashmir, Pakistan
| | - Muhammad Imran
- Department
of Environmental Sciences, COMSATS University
Islamabad, Vehari Campus, Vehari 61100, Pakistan
| | - Pervaiz Ahmad
- Department
of Physics, University of Azad Jammu and
Kashmir, 13100 Muzaffarabad, Pakistan
| | - Sirajul Haq
- Department
of Chemistry, University of Azad Jammu and
Kashmir, Muzaffarabad 13100, Azad Kashmir, Pakistan
| | - Sana Shakil
- Department
of Chemistry, University of Azad Jammu and
Kashmir, Muzaffarabad 13100, Azad Kashmir, Pakistan
| | - Kholoud Al-mugren
- Department
of Physics, College of Sciences, Princess
Nourah Bint Abdulrahman University, Riyadh 11144, Saudi Arabia
| | - Satam Alotibi
- Department
of Physics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Abdulrahman I. Alharthi
- Department
of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Muhammad Sarfraz Khan
- Department
of Chemistry, University of Azad Jammu and
Kashmir, Muzaffarabad 13100, Azad Kashmir, Pakistan
| | - Mayeen Uddin Khandaker
- Centre
for Applied Physics and Radiation Technologies, School of Engineering
and Technology, Sunway University, Bandar Sunway 47500, Selangor, Malaysia
- Department
of General Educational Development, Faculty of Science and Information
Technology, Daffodil International University, DIU Rd, Dhaka 1341, Bangladesh
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5
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Ahmad S, Imran M, Amin M, Al-Kahtani AA, Arshad M, Nawaz R, Shah NS, Schotting RJ. Potential of magnetic quinoa biosorbent composite and HNO 3 treated biosorbent for effective sequestration of chromium (VI) from contaminated water. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 25:929-939. [PMID: 36121769 DOI: 10.1080/15226514.2022.2122926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The present study aims to prepare novel quinoa biosorbent (QB), acid activated QB (QB/Acid) and its nanocomposite with magnetic nanoparticles (QB/MNPs) for batch scale Cr removal from contaminated water. The Cr adsorption was systematically studied at different pH (2-9), adsorbent dosage (1-3 g/L), initial concentration (25-200 mg/L), contact time (180 min) and competing ions in water. Maximum Cr adsorption was observed onto QB/MNPs (57.4 mg/L), followed by QB/Acid (46.35 mg/g) and QB (39.9 mg/g). The Cr removal by QB/MNPs was higher than QB/Acid and QB. Results revealed that the highest Cr removal was obtained at optimum pH 4, 25 mg/L, and 2 g/L dosage. The FTIR spectra displayed various functional groups on adsorbents surface serving as a potential scaffold to remove Cr from contaminated water. The equilibrium and kinetic Cr adsorption data best fitted with Freundlich and pseudo-second order models, respectively (R2 ≥ 0.96). The QB/MNPs showed excellent reusability in five adsorption/desorption cycles (4.7% decline) with minor leaching of Fe (below threshold level). The coexisting ions in groundwater showed an inhibitory effect on Cr sequestration (5%) from water. The comparison of Cr adsorption by QB/MNPs and QB/Acid showed better potential for Cr sequestration than various previously explored adsorbents in the literature.
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Affiliation(s)
- Sajjad Ahmad
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari, Pakistan
| | - Muhammad Imran
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari, Pakistan
| | - Maryam Amin
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari, Pakistan
| | - Abdullah A Al-Kahtani
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Muhammad Arshad
- Department of Agriculture and Food Technology, Karakoram International University, Gilgit, Pakistan
| | - Rab Nawaz
- Department of Environmental Sciences, University of Lahore, Lahore, Pakistan
| | - Noor Samad Shah
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari, Pakistan
| | - Ruud J Schotting
- Environmental Hydrogeology Research Group, Department of Earth Sciences, Utrecht University, Utrecht, The Netherlands
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6
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Shakya A, Vithanage M, Agarwal T. Influence of pyrolysis temperature on biochar properties and Cr(VI) adsorption from water with groundnut shell biochars: Mechanistic approach. ENVIRONMENTAL RESEARCH 2022; 215:114243. [PMID: 36063906 DOI: 10.1016/j.envres.2022.114243] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 08/12/2022] [Accepted: 08/28/2022] [Indexed: 05/22/2023]
Abstract
This study was envisaged to understand the effect of increasing pyrolysis temperature on the Cr(VI) removal potential of the groundnut shells derived biochars. The biochars were prepared at four different pyrolysis temperatures (350 °C, 450 °C, 550 °C, 650 °C) and were used unmodified to examine the adsorption potential for Cr(VI). Influence of biochar dose (1-10 g/L), pHinitial (2-10), Cr(VI)initial (10-500 mg/L) on Cr(VI) adsorptions; adsorption kinetics and isotherms were investigated. The observations suggested that the pyrolysis temperature is the key player in deciding the physicochemical properties as well the adsorption potential of the biochars. SEM and FTIR analysis suggested significant morphological and functional transformations in biochars with increasing pyrolysis temperature. The pHinitial was found to be the most profound adsorption parameter determining the adsorption potential of the biochars. The Cr(VI) adsorption capacity of the biochars decreased with the increase of the pyrolysis temperature (142.87-31.25 mg/L) as well as the solution pHinitial. All the biochars attained 100% removal efficiency with 50 mg/L of Cr(VI)initial and GNSB/350 achieved it in the minimum time (10 h) among all the biochars. GNSB/350 showed promising Langmuir adsorption capacity of 142.87 mg/L (pH 2, Tadsorption 30 °C, Cr(VI)initial 10-500 mg/L). In addition, the adsorption mechanism was found to be a synergistic action of chemi/physi-sorption with monolayer adsorption. Hence, the pyrolysis temperature significantly altered the physicochemical properties of the biochars, which highly influenced the adsorption performance of biochars.
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Affiliation(s)
- Amita Shakya
- Department of Agriculture and Environmental Sciences, National Institute of Food Technology Entrepreneurship and Management, Haryana, 131028, India
| | - Meththika Vithanage
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Sri Lanka
| | - Tripti Agarwal
- Department of Agriculture and Environmental Sciences, National Institute of Food Technology Entrepreneurship and Management, Haryana, 131028, India.
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Wei Y, Chu R, Zhang Q, Usman M, Haider FU, Cai L. Nano zero-valent iron loaded corn-straw biochar for efficient removal of hexavalent chromium: remediation performance and interfacial chemical behaviour. RSC Adv 2022; 12:26953-26965. [PMID: 36320854 PMCID: PMC9534316 DOI: 10.1039/d2ra04650d] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/24/2022] [Indexed: 11/06/2022] Open
Abstract
To improve the poor stability of nano zero-valent iron (nZVI), corn-straw biochar (BC) was used as a support for the synthesis of composites of nZVI-biochar (nZVI/BC) in different mass ratios. After a thorough characterization, the obtained nZVI/BC composite was used to remove hexavalent chromium [Cr(vi)] in an aquatic system under varying conditions including composite amount, Cr(vi) concentration, and pH. The obtained results show that the treatment efficiency varied in the following order: nZVI-BC (1 : 3) > nZVI-BC (1 : 5) > nZVI alone > BC alone. This order indicates the higher efficiency of composite material and the positive effect of nZVI content in the composite. Similarly, the composite dosage and Cr(vi) concentration had significant effects on the removal performance and 2 g L-1 and 6 g L-1 were considered to be the optimum dose at a Cr(vi) concentration of 20 mg L-1 and 100 mg L-1, respectively. The removal efficiency was maximum (100%) at pH 2 whereas solution pH increased significantly after the reaction (from 2 to 4.13). The removal kinetics of Cr(vi) was described by a pseudo-second-order model which indicated that the removal process was mainly controlled by the rate of chemical adsorption. The thermodynamics was more in line with the Freundlich model which indicated that the removal was multi-molecular layer adsorption. TEM-EDS, XRD, and XPS were applied to characterize the crystal lattice and structural changes of the material to specify the interfacial chemical behaviour on the agent surface. These techniques demonstrate that the underlying mechanisms of Cr(vi) removal include adsorption, chemical reduction-oxidation reaction, and co-precipitation on the surface of the nZVI-BC composite. The results indicated that the corn-straw BC as a carrier material highly improved Cr(vi) removal performance of nZVI and offered better utilization of the corn straw.
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Affiliation(s)
- Yuzhen Wei
- College of Forestry, Gansu Agricultural UniversityLanzhou 730070P. R. China,College of Resources and Environmental Sciences, Gansu Agricultural UniversityLanzhou 730070P. R. China,Gansu Provincial Key Laboratory of Arid Land Crop Science, Gansu Agricultural UniversityLanzhou 730070P. R. China
| | - Run Chu
- College of Resources and Environmental Sciences, Gansu Agricultural UniversityLanzhou 730070P. R. China
| | - Qinhu Zhang
- College of Resources and Environmental Sciences, Gansu Agricultural UniversityLanzhou 730070P. R. China
| | - Muhammad Usman
- PEIE Research Chair for the Development of Industrial Estates and Free Zones, Centre for Environmental Studies and Research, Sultan Qaboos UniversityAl-Khoud123 MuscatOman
| | - Fasih Ullah Haider
- College of Resources and Environmental Sciences, Gansu Agricultural UniversityLanzhou 730070P. R. China,Gansu Provincial Key Laboratory of Arid Land Crop Science, Gansu Agricultural UniversityLanzhou 730070P. R. China
| | - Liqun Cai
- College of Forestry, Gansu Agricultural UniversityLanzhou 730070P. R. China,College of Resources and Environmental Sciences, Gansu Agricultural UniversityLanzhou 730070P. R. China,Gansu Provincial Key Laboratory of Arid Land Crop Science, Gansu Agricultural UniversityLanzhou 730070P. R. China
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8
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El-Naggar A, Mosa A, Ahmed N, Niazi NK, Yousaf B, Sarkar B, Rinklebe J, Cai Y, Chang SX. Modified and pristine biochars for remediation of chromium contamination in soil and aquatic systems. CHEMOSPHERE 2022; 303:134942. [PMID: 35577128 DOI: 10.1016/j.chemosphere.2022.134942] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/04/2022] [Accepted: 05/08/2022] [Indexed: 06/15/2023]
Abstract
Chromium (Cr) contamination in soil and water poses high toxicity risks to organisms and threatens food and water security worldwide. Biochar has emerged as a promising material for cleaning up Cr contamination owing to biochar's strong capacity to immobilize Cr. This paper synthesizes information on biochar modification for the efficient remediation of Cr contamination in soil and water, and critically reviews mechanisms of Cr adsorption on pristine and modified biochars. Biochar modification methods include physical activation via ball milling or ultraviolet irradiation, chemical activation via magnetization, alkali/acid treatment, nano-fabrication or loading of reductive agents, and biological activation via integrating biochars with microorganisms and their metabolites. Modified biochars often have multi-fold enhancement in Cr adsorption/reduction capacity than pristine biochars. Iron (Fe)-supported magnetic biochars have the most promising Cr removal abilities with high reusability of the biochars. Pre-pyrolysis modification with Fe could load Fe3O4 micro-/nanoparticles on biochars, and increase the surface area and electrostatic attraction between chromate anions and biochar surfaces, and reduce Cr(VI) to Cr(III). Post-pyrolysis modification could enrich oxygen-containing functional groups such as CO and -OH on biochar surfaces and promote Cr reduction and adsorption. Future research directions for Cr mitigation using advanced biochar products are discussed in this review.
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Affiliation(s)
- Ali El-Naggar
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, 311300, China; Department of Soil Sciences, Faculty of Agriculture, Ain Shams University, Cairo, 11241, Egypt; Department of Renewable Resources, University of Alberta, Edmonton, Alberta, T6G 2H1, Canada
| | - Ahmed Mosa
- Soils Department, Faculty of Agriculture, Mansoura University, Mansoura, 35516, Egypt
| | - Naveed Ahmed
- U.S. Pakistan Center for Advanced Studies in Water, Mehran University of Engineering and Technology, Jamshoro, 76062, Sindh, Pakistan
| | - Nabeel Khan Niazi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
| | - Balal Yousaf
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, PR China; Department of Environmental Engineering, Middle East Technical University, Ankara, 06800, Turkey
| | - Binoy Sarkar
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, UK
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water and Waste Management, Laboratory of Soil and Groundwater Management, Pauluskirchstraße 7, 42285, Wuppertal, Germany; International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan, 173212, Himachal Pradesh, India
| | - Yanjiang Cai
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, 311300, China
| | - Scott X Chang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, 311300, China; Department of Renewable Resources, University of Alberta, Edmonton, Alberta, T6G 2H1, Canada.
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9
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Din SU, Awan JM, Imran M, Zain-Ul-Abdin, Haq S, Hafeez M, Hussain S, Khan MS. Novel nanocomposite of biochar-zerovalent copper for lead adsorption. Microsc Res Tech 2021; 84:2598-2606. [PMID: 34057266 DOI: 10.1002/jemt.23810] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 04/23/2021] [Accepted: 04/24/2021] [Indexed: 12/25/2022]
Abstract
In this study, a composite of zerovalent copper-biochar was investigated for its ability to remove lead from water. The prepared material was characterized by using scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FTIR), X-ray diffractomter (XRD), and X-ray photoelectron spectroscopy (XPS). The pH effect on adsorption of lead was investigated within the range of 2-8 and the effect of temperature was studied at 303, 308, 313, and 318 K. The kinetics of lead adsorption on biochar composite was evaluated and the equilibrium time of 12 hr was established. To further evaluate the nature of adsorption, Langmuir model was tested and the adsorption capacities were evaluated for lead adsorption on the surface of copper biochar composite. The activation energy, entropy, and enthalpy values indicated the adsorption phenomenon to be chemisorptive and spontaneous in nature. Comparison of adsorption capacities with the reported adsorbents in the literature concluded zerovalent copper-biochar composite to be an efficient adsorbent for the removal of lead in the experimental conditions under study. RESEARCH HIGHLIGHTS: Highly efficient composite of zerovalent copper with biochar was synthesized for lead adsorption. XPS and XRD shows the presence of zerovalent copper in the biochar composite. pH and temperature were the main governing factors in the adsorption process. Adsorption capacity for lead is higher than many of the reported adsorbents.
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Affiliation(s)
- Salah Ud Din
- Department of Chemistry, University of Azad Jammu and Kashmir, Muzaffarabad, Azad Kashmir, Pakistan
| | - Junaid Murtaza Awan
- Department of Chemistry, University of Azad Jammu and Kashmir, Muzaffarabad, Azad Kashmir, Pakistan
| | - Muhammad Imran
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari, Pakistan
| | - Zain-Ul-Abdin
- Department of Chemistry, University of Azad Jammu and Kashmir, Muzaffarabad, Azad Kashmir, Pakistan
| | - Sirajul Haq
- Department of Chemistry, University of Azad Jammu and Kashmir, Muzaffarabad, Azad Kashmir, Pakistan
| | - Muhammad Hafeez
- Department of Chemistry, University of Azad Jammu and Kashmir, Muzaffarabad, Azad Kashmir, Pakistan
| | - Sajjad Hussain
- School of Chemistry, Faculty of Basic sciences and Mathematics, Minhaj University, Lahore, Pakistan, Lahore, Pakistan
| | - Muhammad Sarfraz Khan
- Department of Chemistry, University of Azad Jammu and Kashmir, Muzaffarabad, Azad Kashmir, Pakistan
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Abd-Elhamid AI, Emran M. Application of Biochar for Wastewater Treatment. BIOCHAR AND ITS APPLICATION IN BIOREMEDIATION 2021:1-26. [DOI: 10.1007/978-981-16-4059-9_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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