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Fang W, Wu H, Ma K, Zuo B, She D, Geng Z, Liang H. Efficient selective adsorption of Cr(VI) by S-doped porous carbon prepared from industrial lignin: Waste increment and wastewater treatment. Int J Biol Macromol 2024; 278:134765. [PMID: 39153671 DOI: 10.1016/j.ijbiomac.2024.134765] [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: 05/02/2024] [Revised: 07/17/2024] [Accepted: 08/13/2024] [Indexed: 08/19/2024]
Abstract
Industrial lignin is a waste product of the paper industry, which contains a large amount of oxygen group structure, and can be used to treat industrial wastewater containing Cr(VI). However, lignin has very low reactivity, so how to enhance its adsorption performance is a major challenge at present. In this study, a two-stage hydrothermal and activation strategy was used to activate the lignin activity and doping S element to prepare high-performance S-doped lignin-based polyporous carbon (S-LPC). The results show that the surface of S-LPC is rich in S and O groups and has a well-developed pore structure, which is very beneficial to Cr(VI) uptake -reduction and mass transfer on the material. In the wastewater, the utmost adsorption potential of Cr(VI) by S-LPC achieved 882.83 mg/g. After 7 cycles of regeneration, the adsorption of S-LPC decreased by only approximately 18 %. Ion competition experiments showed that S-LPC has excellent specificity for Cr(VI) adsorption. In factory wastewater, the adsorption performance of S-LPC for Cr(VI) remained above 95 %, which shows the excellent performance of S-LPC in practical applications. The results are of great significance for green chemical utilization of waste lignin, treatment of industrial wastewater and sustainable development.
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Affiliation(s)
- Wendi Fang
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Haiyang Wu
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Kaiyue Ma
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Bowen Zuo
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Diao She
- College of Soil and Water Conservation Science and Engineering, Northwest A&F University, Yangling 712100, China; Institute of Soil and Water Conservation CAS&MWR, Yangling 712100, China
| | - Zengchao Geng
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Hongxu Liang
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China.
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2
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Yadav N, Mudgal D, Mishra M, Mishra V. Asparagus officinalis Herb-Derived Carbon Quantum Dots: Luminescent Probe for Medical Diagnostics. Chem Biodivers 2024; 21:e202400891. [PMID: 38825847 DOI: 10.1002/cbdv.202400891] [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: 04/09/2024] [Revised: 05/24/2024] [Accepted: 06/02/2024] [Indexed: 06/04/2024]
Abstract
The utilization of natural materials for the synthesis of highly fluorescent carbon quantum dots (CQDs) presents a sustainable approach to overcome the challenges associated with traditional chemical precursors. Here, we report the synthesis of novel S,N-self-doped CQDs (S,N@CQDs) derived from asparagus officinalis herb. These S,N@CQDs exhibit 16.7 % fluorescence quantum yield, demonstrating their potential in medical diagnostics. We demonstrate the efficacy of S,N@CQDs as luminescent probes for the detection of anti-pathogenic medications metronidazole (MTZ) and nitazoxanide (NTZ) over concentration ranges of 0.0-180.0 μM (with a limit of detection (LOD) of 0.064 μM) and 0.25-40.0 μM (LOD of 0.05 μM), respectively. The probes were successfully applied to determine MTZ and NTZ in medicinal samples, real samples, and spiked human plasma, with excellent recovery rates ranging from 99.82 % to 103.03 %. Additionally, S,N@CQDs demonstrate exceptional efficacy as diagnostic luminescent probes for hemoglobin (Hb) detection over a concentration range of 0-900 nM, with a minimal detectability of 9.24 nM, comparable to commercially available medical laboratory diagnostic tests. The eco-friendly synthesis and precise detection limits of S,N@CQDs meet necessary analytical requirements and hold promise for advancing diagnostic capabilities in clinical settings. This research signifies a significant step towards sustainable and efficient fluorescence-based medical diagnostics.
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Affiliation(s)
- Nisha Yadav
- Amity Institute of Click Chemistry Research and Studies (AICCRS), Amity University Noida, Uttar Pradesh, 201313, India
| | - Deeksha Mudgal
- Amity Institute of Click Chemistry Research and Studies (AICCRS), Amity University Noida, Uttar Pradesh, 201313, India
| | - Manish Mishra
- Department of Biomedical Sciences, Mercer University School of Medicine, Macon, GA-31207, USA
| | - Vivek Mishra
- Amity Institute of Click Chemistry Research and Studies (AICCRS), Amity University Noida, Uttar Pradesh, 201313, India
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3
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Wadaan MA, Baabbad A, Yesuf MB, Asaithambi P. Kinetics analysis of PAHs degradation using SiO 2-ZnO nanoparticles and evaluating their antibacterial and antibiofilm efficacy. ENVIRONMENTAL RESEARCH 2024; 260:119669. [PMID: 39048065 DOI: 10.1016/j.envres.2024.119669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 07/06/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024]
Abstract
The adsorption of Polycyclic aromatic hydrocarbons (PAHs) using nanoparticles is gaining significant attention due to the rapid removal or treatment rates. In this study, Silicon Dioxide-Zinc Oxide nanoparticles (SiO2-ZnO NPs) were synthesized to adsorb pyrene. Physicochemical characterization of SiO2-ZnO NPs showed plasmon resonance at 323 nm, agglomeration, irregular dispersion, and diameters of 90-100 nm. FT-IR analysis identified major functional groups on SiO2-ZnO NPs, including alkyne, amine, and isothiocyanate. SiO2-ZnO NPs demonstrated significant pyrene adsorption at pH 5, with 10 μg/mL of SiO2-ZnO NPs and 2 μg/mL of PAHs, performing better under UV irradiation. Two isotherm models, adsorption isotherm and kinetics adsorption, were used to analyze the PAHs adsorption by SiO2-ZnO NPs. Additionally, SiO2-ZnO NPs were tested for antibacterial and antibiofilm activities against both Gram-negative and Gram-positive bacteria. At a concentration of 150 μg/mL, SiO2-ZnO NPs produced inhibition zones of 21.57 mm, 20.30 mm, 19.30 mm, and 11.30 mm against Staphylococcus aureus, Escherichia coli, Bacillus subtilis, and Klebsiella pneumoniae, respectively. They also inhibited and disrupted biofilms of Micrococcus luteus and Acinetobacter baumannii. Furthermore, SiO2-ZnO NPs exhibited photocatalytic degradation of lead, achieving 68.24% degradation within 5 h of treatment. Therefore, SiO2-ZnO NPs are efficient candidates for multiple applications, including pyrene adsorption, bacterial biofilm disruption, and lead degradation under sunlight.
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Affiliation(s)
- Mohammad Ahmad Wadaan
- BioProducts Research Chair, Department of Zoology, College of Sciences, King Saud University, P.O. Box, 2455, Riyadh, 11451, Saudi Arabia.
| | - Almohannad Baabbad
- BioProducts Research Chair, Department of Zoology, College of Sciences, King Saud University, P.O. Box, 2455, Riyadh, 11451, Saudi Arabia
| | - Mamuye Busier Yesuf
- Department of Water Supply and Environmental Engineering, Faculty of Civil and Environmental Engineering, Jimma Institute of Technology, Jimma University, Po Box 378, Jimma, Ethiopia
| | - Perumal Asaithambi
- Department of Water Supply and Environmental Engineering, Faculty of Civil and Environmental Engineering, Jimma Institute of Technology, Jimma University, Po Box 378, Jimma, Ethiopia.
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4
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Xu S, Yuan JY, Zhang YT, Yang QL, Zhang CX, Guo Q, Qin Z, Liu HM, Wang XD, Mei HX, Duan YH. Effects of different precursors on the structure of lignin-based biochar and its ability to adsorb benzopyrene from sesame oil. Int J Biol Macromol 2024; 269:132216. [PMID: 38729483 DOI: 10.1016/j.ijbiomac.2024.132216] [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: 10/16/2023] [Revised: 05/05/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
Agricultural by-products of sesame are promising bioresources in food processing. This study extracted lignin from the by-products of sesame oil production, namely, the capsules and straw of black and white sesame. Using acid, alkali, and ethanol methods, 12 distinct lignins were obtained to prepare biochar, aiming to investigate both the structural characteristics of lignin-based biochar (LBB) and its ability to remove benzo[a]pyrene (BaP) from sesame oil. The results showed that white sesame straw was the most suitable raw material for preparing biochar. In terms of the preparation method, acid-extracted lignin biochar was more effective in removing BaP than alkaline or ethanol methods. Notably, WS-1LB (white sesame straw acid-extracted lignin biochar) exhibited the highest BaP adsorption efficiency (91.44 %) and the maximum specific surface area (1065.8187 m2/g), characterized by porous structures. The pseudo 2nd and Freundlich models were found to be the best fit for the adsorption kinetics and isotherms of BaP on LBB, respectively, suggesting that a multilayer adsorption process was dominant. The high adsorption of LBB mainly resulted from pore filling. This study provides an economical and highly efficient biochar adsorbent for the removal of BaP in oil.
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Affiliation(s)
- Shuai Xu
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Jing-Yang Yuan
- College of International Education, Henan University of Technology, Zhengzhou 450001, China
| | - Ya-Ting Zhang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China; Zhengzhou University, Zhengzhou 450001, China
| | - Qiao-Li Yang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Chen-Xia Zhang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Qing Guo
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Zhao Qin
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Hua-Min Liu
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Xue-De Wang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Hong-Xian Mei
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou 450008, China
| | - Ying-Hui Duan
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou 450008, China
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5
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Yaashikaa PR, Karishma S, Kamalesh R, A S, Vickram AS, Anbarasu K. A systematic review on enhancement strategies in biochar-based remediation of polycyclic aromatic hydrocarbons. CHEMOSPHERE 2024; 355:141796. [PMID: 38537711 DOI: 10.1016/j.chemosphere.2024.141796] [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: 03/20/2023] [Revised: 12/25/2023] [Accepted: 03/23/2024] [Indexed: 04/07/2024]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are pervasive ecological pollutants produced essentially during the inadequate burning of organic materials. PAHs are a group of different organic compounds that are made out of various aromatic rings. PAHs pose a serious risk to humans and aquatic ecosystems because of their mutagenic and carcinogenic properties. In this way, there is a critical prerequisite to utilizing successful remediation strategies and methods to limit the dangerous effect of these pollutants on the ecosystem. Biochar has believed of intriguing properties such as simple manufacturing operations and more affordable and more productive materials. Biochar is a sustainable carbonaceous material that has an enormous surface area with bountiful functional groups and pore structure, which has huge potential for the remediation of toxic pollutants. This review emphasizes the occurrence, development, and fate of toxic PAHs in the environment. In the present review, the properties and role of biochar in the removal of PAHs were illustrated, and the influencing factors and an efficient key mechanism of biochar for the remediation of PAHs were discussed in detail. Various surface modification methods can be utilized to improve the biochar properties with the magnetization process; the advancements of modified biochar are pointed out in this review. Finally, the constraints and prospects for the large-scale application of biochar in the remediation of toxic pollutants are highlighted.
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Affiliation(s)
- P R Yaashikaa
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - S Karishma
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - R Kamalesh
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - Saravanan A
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India.
| | - A S Vickram
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - K Anbarasu
- Department of Bioinformatics, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
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6
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Qin Z, Yang QL, Fan W, Wang YG, Fei JL, Yuan JY, Qin Z, Liu HM, Mei HX, Wang XD. Comparison of methods for activating sesame stalk lignin biochar for removing benzo[a]pyrene from sesame oil. Int J Biol Macromol 2024; 266:131208. [PMID: 38552695 DOI: 10.1016/j.ijbiomac.2024.131208] [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: 12/03/2023] [Revised: 03/13/2024] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
In this study, three activators and two activation methods were employed to activate sesame lignin-based biochar. The biochar samples were comprehensively characterized, their abilities to adsorb benzo[a]pyrene (BaP) from sesame oil were assessed, and the mechanism was analyzed. The results showed that the biochar obtained by one-step activation was more effective in removing BaP from sesame oil than the biochar produced by two-step activation. Among them, the biochar generated by one-step activation with ZnCl2 as the activator had the largest specific surface area (1068.8776 m3/g), and the richest mesoporous structure (0.7891 m3/g); it removed 90.53 % of BaP from sesame oil. BaP was mainly adsorbed by the mesopores of biochar. Mechanistically, pore-filling, π-π conjugations, hydrogen bonding, and n-π interactions were involved. The adsorption was spontaneous and heat-absorbing. In conclusion, the preparation of sesame lignin biochar using one-step activation with ZnCl2 as the activator was found to be the best for removing BaP from sesame oil. This biochar may be an economical adsorbent for the industrial removal of BaP from sesame oil.
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Affiliation(s)
- Zhi Qin
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Qiao-Li Yang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Wei Fan
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Ying-Ge Wang
- School of International Education, Henan University of Technology, Zhengzhou 450001, China
| | - Jia-Lin Fei
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Jing-Yang Yuan
- School of International Education, Henan University of Technology, Zhengzhou 450001, China
| | - Zhao Qin
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Hua-Min Liu
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Hong-Xian Mei
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou 450008, China
| | - Xue-De Wang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
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7
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Xie Z, Zhang Y, Li Z, Zhang S, Du C. Nitrogen-Doped Biochar for Enhanced Peroxymonosulfate Activation to Degrade Phenol through Both Free Radical and Direct Oxidation Based on Electron Transfer Pathways. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:8520-8532. [PMID: 38608211 DOI: 10.1021/acs.langmuir.4c00072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
Nowadays, super nitrogen-doped biochar (SNBC) material has become one of the most promising metal-free catalysts for activating peroxymonosulfate (PMS) to degrade organic pollutants. To understand the evolution of SNBC properties with fabrication conditions, a variety of SNBC materials were prepared and characterized by elemental analysis, N2 adsorption-desorption, scanning electron microscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, and X-ray diffraction. We systematically investigated the activation potential of these SNBC materials for PMS to degrade phenol. SN1BC-800 with the best catalytic performance was obtained by changing the activation temperatures and the ratio of biochar to melamine. The effects of catalyst dosage, the PMS concentration, pH, and reaction temperature on phenol degradation were studied in detail. In the presence of 0.3 g/L SN1BC-800 and 1 g/L PMS, the removal rate of 20 mg/L phenol could reach 100% within 5 min. According to electron paramagnetic resonance spectra and free radical quenching experiments, a nonfree radical pathway of phenol degradation dominated by 1O2 and electron transfer was proposed. More interestingly, the excellent catalytic performance of the SN1BC-800/PMS system is universally applicable in the degradation of other typical organic pollutants. In addition, the degradation rate of phenol is still over 80% after five reuses, which shows that the SN1BC-800 catalyst has high stability and good application prospects in environmental remediation.
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Affiliation(s)
- Zengrun Xie
- School of Chemistry and Materials Science, Institute of Environmental Science, Ludong University, Yantai 264025, Shandong province, China
| | - Yuanyuan Zhang
- Environmental Monitor Station of Yantai, Shandong Province, China, No. 118, Qingnian South Road, Yantai 264000, Shandong province, China
| | - Zhiling Li
- Division of Science and Technology, Ludong University, Yantai 264025, Shandong province, China
| | - Shengxiao Zhang
- School of Chemistry and Materials Science, Institute of Environmental Science, Ludong University, Yantai 264025, Shandong province, China
| | - Chenyu Du
- School of Chemistry and Materials Science, Institute of Environmental Science, Ludong University, Yantai 264025, Shandong province, China
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Wei Z, Wei Y, Liu Y, Niu S, Xu Y, Park JH, Wang JJ. Biochar-based materials as remediation strategy in petroleum hydrocarbon-contaminated soil and water: Performances, mechanisms, and environmental impact. J Environ Sci (China) 2024; 138:350-372. [PMID: 38135402 DOI: 10.1016/j.jes.2023.04.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/05/2023] [Accepted: 04/12/2023] [Indexed: 12/24/2023]
Abstract
Petroleum contamination is considered as a major risk to the health of humans and environment. Biochars as low-cost and eco-friendly carbon materials, have been widely used for the removal of petroleum hydrocarbon in the environment. The purpose of this paper is to review the performance, mechanisms, and potential environmental toxicity of biochar, modified biochar and its integration use with other materials in petroleum contaminated soil and water. Specifically, the use of biochar in oil-contaminated water and soil as well as the factors that could influence the removal ability of biochar were systematically evaluated. In addition, the modification and integrated use of biochar for improving the removal efficiency were summarized from the aspects of sorption, biodegradation, chemical degradation, and reusability. Moreover, the functional impacts and associated ecotoxicity of pristine and modified biochars in various environments were demonstrated. Finally, some shortcoming of current approaches, and future research needs were provided for the future direction and challenges of modified biochar research. Overall, this paper gain insight into biochar application in petroleum remediation from the perspectives of performance enhancement and environmental sustainability.
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Affiliation(s)
- Zhuo Wei
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, China; School of Plant, Environment & Soil Sciences, Louisiana State University AgCenter. Baton Rouge, LA 70803, USA
| | - Yi Wei
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, China
| | - Yang Liu
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, China
| | - Shuai Niu
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, China
| | - Yaxi Xu
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, China
| | - Jong-Hwan Park
- Department of Life Resources Industry, Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, South Korea
| | - Jim J Wang
- School of Plant, Environment & Soil Sciences, Louisiana State University AgCenter. Baton Rouge, LA 70803, USA.
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9
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Shyamalagowri S, Bhavithra HA, Akila N, Jeyaraj SSG, Aravind J, Kamaraj M, Pandiaraj S. Carbon-based adsorbents for the mitigation of polycyclic aromatic hydrocarbon: a review of recent research. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:108. [PMID: 38453774 DOI: 10.1007/s10653-024-01915-6] [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: 01/17/2024] [Accepted: 02/15/2024] [Indexed: 03/09/2024]
Abstract
Accumulation of polycyclic aromatic hydrocarbons (PAH) poses significant dangers to the environment and human health. The advancement of technology for cleaning up PAH-contaminated environments is receiving more attention. Adsorption is the preferred and most favorable approach for cleaning up sediments polluted with PAH. Due to their affordability and environmental friendliness, carbonaceous adsorbents (CAs) have been regarded as promising for adsorbing PAH. However, adsorbent qualities, environmental features, and factors may all significantly impact how well CAs remove PAH. According to growing data, CAs, most of which come from laboratory tests, may be utilized to decontaminate PAH in aquatic setups. However, their full potential has not yet been established, especially concerning field applications. This review aims to concisely summarize recent developments in CA, PAH stabilization processes, and essential field application-controlling variables. This review analysis emphasizes activated carbon, biochar, Graphene, carbon nanotubes, and carbon-nanomaterials composite since these CAs are most often utilized as adsorbents for PAH in aquatic systems.
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Affiliation(s)
- S Shyamalagowri
- PG and Research Department of Botany, Pachaiyappa's College, Chennai, Tamil Nadu, 600030, India
| | - H A Bhavithra
- Department of Mathematics, Faculty of Science and Humanities, SRM Institute of Science and Technology-Ramapuram, Chennai, Tamil Nadu, 600089, India
| | - N Akila
- PG and Research Department of Zoology, Pachaiyappa's College, Chennai, Tamil Nadu, 600030, India
| | | | - J Aravind
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, 602105, India.
| | - M Kamaraj
- Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology-Ramapuram, Chennai, Tamil Nadu, 600089, India.
- Life Science Division, Faculty of Health and Life Sciences, INTI International University, 71800, Nilai, Malaysia.
| | - Saravanan Pandiaraj
- Biological and Environmental Sensing Research Unit, King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box 2455, 11451, Riyadh, Saudi Arabia
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10
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Sekar M, T R P. Critical review on the formations and exposure of polycyclic aromatic hydrocarbons (PAHs) in the conventional hydrocarbon-based fuels: Prevention and control strategies. CHEMOSPHERE 2024; 350:141005. [PMID: 38135127 DOI: 10.1016/j.chemosphere.2023.141005] [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: 03/23/2023] [Revised: 10/17/2023] [Accepted: 12/19/2023] [Indexed: 12/24/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are widely present in the atmosphere and primarily originate from the incomplete burning of fossil fuels and biofuels. Exposure to PAHs leads to harmful effects on human health and the environment. Diesel engines are a major source of PAH production in the transportation sector. Various approaches have been employed to reduce PAH emissions from diesel engines, including the use of biodiesel, green gaseous fuels, exhaust gas recirculation, exhaust after-treatment, and genetically modifying biodiesel with nanoparticles. This review focuses on PAH emissions from different generations of fuels and examines the remedial control actions taken to mitigate PAH formation. The study underscores the necessity for effective regulation of emissions from diesel engines, especially in developing countries where the reliance on fossil fuels is significant. Biodiesel has shown promise in reducing PAHs and carcinogenic pollutants, with higher biodiesel concentrations resulting in lower PAH formation. Replacing diesel with biodiesel and optimizing engine operating conditions are feasible methods to reduce PAH levels in the atmosphere. The use of nanoparticles in fuel blends and higher oxygen content in combustion chambers are also considered potential strategies for pollutant reduction. Additionally, the utilization of hydrogen and ammonia as secondary fuels has been explored as promising alternatives to fossil fuels. The study highlights the importance of further research on the presence of residual PAHs in the atmosphere and the implementation of strategies to curtail vehicular emissions.
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Affiliation(s)
- Manigandan Sekar
- Mech. & Aero. Eng. Dept, College of Engineering, United Arab Emirates University, Al-Ain, United Arab Emirates; Department of Aeronautical Engineering, Sathyabama Institite of Science and Technology, Chennai, India
| | - Praveenkumar T R
- Department of Civil Engineering, Graphic Era Deemed to be University, Dehradun, India; Department of Construction Technology and Management, Wollega University, Nekemte, Ethiopia.
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11
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Wang M, Zhang W, He T, Rong L, Yang Q. Degradation of polycyclic aromatic hydrocarbons in aquatic environments by a symbiotic system consisting of algae and bacteria: green and sustainable technology. Arch Microbiol 2023; 206:10. [PMID: 38059992 DOI: 10.1007/s00203-023-03734-2] [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: 09/05/2023] [Revised: 10/27/2023] [Accepted: 11/04/2023] [Indexed: 12/08/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are genotoxic, carcinogenic, and persistent in the environment and are therefore of great concern in the environmental protection field. Due to the inherent recalcitrance, persistence and nonreactivity of PAHs, they are difficult to remediate via traditional water treatment methods. In recent years, microbial remediation has been widely used as an economical and environmentally friendly degradation technology for the treatment of PAH-contaminated water. Various bacterial and microalgal strains are capable of potentially degrading or transforming PAHs through intrinsic metabolic pathways. However, their biodegradation potential is limited by the cytotoxic effects of petroleum hydrocarbons, unfavourable environmental conditions, and biometabolic limitations. To address this limitation, microbial communities, biochemical pathways, enzyme systems, gene organization, and genetic regulation related to PAH degradation have been intensively investigated. The advantages of algal-bacterial cocultivation have been explored, and the limitations of PAHs degradation by monocultures of algae or bacteria have been overcome by algal-bacterial interactions. Therefore, a new model consisting of a "microalgal-bacterial consortium" is becoming a new management strategy for the effective degradation and removal of PAHs. This review first describes PAH pollution control technologies (physical remediation, chemical remediation, bioremediation, etc.) and proposes an algal-bacterial symbiotic system for the degradation of PAHs by analysing the advantages, disadvantages, and PAH degradation performance in this system to fill existing research gaps. Additionally, an algal-bacterial system is systematically developed, and the effects of environmental conditions are explored to optimize the degradation process and improve its technical feasibility. The aim of this paper is to provide readers with an effective green and sustainable remediation technology for removing PAHs from aquatic environments.
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Affiliation(s)
- Mengying Wang
- Beijing Key Laboratory of Water Resources & Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, People's Republic of China
| | - Wenqing Zhang
- Beijing Key Laboratory of Water Resources & Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, People's Republic of China
| | - Tao He
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, 116026, China
| | - Lingyun Rong
- Beijing Key Laboratory of Water Resources & Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, People's Republic of China
| | - Qi Yang
- Beijing Key Laboratory of Water Resources & Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, People's Republic of China.
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12
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Xie Z, Zhang Y, Zhang Y, Li Z, Sun L, Zhang S, Du C, Zhong C. Preparation of N-doped porous biochar with high specific surface area and its efficient adsorption for mercury ion from aqueous solution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:122121-122135. [PMID: 37966640 DOI: 10.1007/s11356-023-31026-1] [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: 08/28/2023] [Accepted: 11/07/2023] [Indexed: 11/16/2023]
Abstract
Herein, a new type of super active nitrogen-doped biochar sheet (SNBC) was prepared by two-step pyrolysis and KOH chemical activation with melamine and cherry kernel powder as precursors of nitrogen and carbon source for removing Hg2+ from wastewater. The N2 adsorption/desorption and scanning electron microscope characterization revealed that the resulted SNBC under 600 °C calcination owned huge specific surface area of 2828 m2/g and plenty of well-developed micropores, and X-ray photoelectron spectroscopy and Fourier transform-infrared spectroscopy analysis testified the existence of functional groups containing N and O, which could provide adsorption sites for Hg2+. The SNBC-600 showed high adsorption capacity for Hg2+ even at low pH, and interfering cations had little effect on the adsorption. The adsorption process was rapid and dynamic data fit the pseudo-second-order dynamic model well. The maximum adsorption capacity of Hg2+ on SNBC-600 calculated by Langmuir model was 230 mg/g. After six times of reuse, the adsorption capacity still exceeded 200 mg/g, exhibiting good reusability. The designed microfiltration membrane device base on SNBC-600 could remove low concentration of Hg2+ effectively from solution. This study provided a simple and environment-friendly method for manufacturing nitrogen-doped biochar sheet, which was of great significance in the practical application of Hg2+ pollution treatment.
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Affiliation(s)
- Zengrun Xie
- School of Chemistry and Materials Science, Institute of Environmental Science, Ludong University, Yantai, 264025, Shandong Province, China
| | - Yuanyuan Zhang
- Environmental Monitor Station of Yantai, No. 118, Qingnian South Road, Yantai, 264000, Shandong Province, China
| | - Yinghong Zhang
- Environmental Monitor Station of Yantai, No. 118, Qingnian South Road, Yantai, 264000, Shandong Province, China
| | - Zhiling Li
- Division of Science and Technology, Ludong University, Yantai, 264025, Shandong Province, China
| | - Lixiang Sun
- School of Chemistry and Materials Science, Institute of Environmental Science, Ludong University, Yantai, 264025, Shandong Province, China
| | - Shengxiao Zhang
- School of Chemistry and Materials Science, Institute of Environmental Science, Ludong University, Yantai, 264025, Shandong Province, China.
| | - Chenyu Du
- School of Chemistry and Materials Science, Institute of Environmental Science, Ludong University, Yantai, 264025, Shandong Province, China
| | - Caijuan Zhong
- School of Chemistry and Materials Science, Institute of Environmental Science, Ludong University, Yantai, 264025, Shandong Province, China
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Kumar K, Kumar R, Kaushal S, Thakur N, Umar A, Akbar S, Ibrahim AA, Baskoutas S. Biomass waste-derived carbon materials for sustainable remediation of polluted environment: A comprehensive review. CHEMOSPHERE 2023; 345:140419. [PMID: 37848104 DOI: 10.1016/j.chemosphere.2023.140419] [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: 04/21/2023] [Revised: 09/26/2023] [Accepted: 10/09/2023] [Indexed: 10/19/2023]
Abstract
In response to the growing global concern over environmental pollution, the exploration of sustainable and eco-friendly materials derived from biomass waste has gained significant traction. This comprehensive review seeks to provide a holistic perspective on the utilization of biomass waste as a renewable carbon source, offering insights into the production of environmentally benign and cost-effective carbon-based materials. These materials, including biochar, carbon nanotubes, and graphene, have shown immense promise in the remediation of polluted soils, industrial wastewater, and contaminated groundwater. The review commences by elucidating the intricate processes involved in the synthesis and functionalization of biomass-derived carbon materials, emphasizing their scalability and economic viability. With their distinctive structural attributes, such as high surface areas, porous architectures, and tunable surface functionalities, these materials emerge as versatile tools in addressing environmental challenges. One of the central themes explored in this review is the pivotal role that carbon materials play in adsorption processes, which represent a green and sustainable technology for the removal of a diverse array of pollutants. These encompass noxious organic compounds, heavy metals, and organic matter, encompassing pollutants found in soils, groundwater, and industrial wastewater. The discussion extends to the underlying mechanisms governing adsorption, shedding light on the efficacy and selectivity of carbon-based materials in different environmental contexts. Furthermore, this review delves into multifaceted considerations, spanning the spectrum from biomass and biowaste resources to the properties and applications of carbon materials. This holistic approach aims to equip researchers and practitioners with a comprehensive understanding of the synergistic utilization of these materials, ultimately facilitating effective and affordable strategies for combatting industrial wastewater pollution, soil contamination, and groundwater impurities.
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Affiliation(s)
- Kuldeep Kumar
- Department of Chemistry, Career Point University, Hamirpur, H.P., 176041, India; Centre for Nano-Science and Technology, Career Point University, Hamirpur, H.P., 176041, India.
| | - Ravi Kumar
- Department of Chemistry, Career Point University, Hamirpur, H.P., 176041, India; Centre for Nano-Science and Technology, Career Point University, Hamirpur, H.P., 176041, India
| | - Shweta Kaushal
- Department of Chemistry, Career Point University, Hamirpur, H.P., 176041, India; Centre for Nano-Science and Technology, Career Point University, Hamirpur, H.P., 176041, India
| | - Naveen Thakur
- Department of Physics, Career Point University, Hamirpur, H.P., 176041, India; Centre for Nano-Science and Technology, Career Point University, Hamirpur, H.P., 176041, India
| | - Ahmad Umar
- Department of Chemistry, College of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Kingdom of Saudi Arabia; Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, 43210, USA.
| | - Sheikh Akbar
- Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, 43210, USA
| | - Ahmed A Ibrahim
- Department of Chemistry, College of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Kingdom of Saudi Arabia
| | - Sotirios Baskoutas
- Department of Materials Science, University of Patras, 26500, Patras, Greece
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Zhou Y, Lan Y, Short MD, Shi J, Zhang Q, Xu J, Qian G. Effective Use of Sugarcane-Bagasse-Derived KOH-Activated Biochar for Remediating Norfloxacin-Contaminated Water. TOXICS 2023; 11:908. [PMID: 37999560 PMCID: PMC10674977 DOI: 10.3390/toxics11110908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/26/2023] [Accepted: 11/02/2023] [Indexed: 11/25/2023]
Abstract
Bagasse-derived biochar (SCB750) was prepared at 750 °C using Chinese sugarcane bagasse as a carbon source and then modified with KOH for the removal of the antibiotic norfloxacin (NOR) from aqueous solutions. 3K-SCB750, prepared using a solid-to-liquid mass ratio of bagasse:KOH = 1:3, was found to have the best adsorption performance for NOR. Under the conditions of pH 5, 25 °C, 2.4 g L-1 adsorbent, and 300 mg L-1 NOR, its adsorption of NOR reached equilibrium (97.5% removal) after 60 min. The adsorption behaviours were in line with the quasi-second-order kinetic and Langmuir isotherm models, respectively. The maximum theoretical adsorption capacity reached up to 157.4 mg·g-1 at 40 °C. The thermodynamic parameters showed that the adsorption of NOR onto 3K-SCB750 was a spontaneous, endothermic, and physical process. In addition, Brunauer-Emmett-Teller analysis (BET), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Raman spectroscopy were conducted to investigate the structural and adsorption properties of 3K-SCB750. Fourier transform infrared spectroscopy (FTIR) was also applied to understand the mechanism of adsorption of NOR onto 3K-SCB750. All of the results indicated that 3K-SCB750 had a large specific surface area of 1038.8 m2·g-1, an average pore size of 1.9 nm, and hierarchical structures with random pores and cracks for efficient removal of NOR. NOR adsorption mechanisms on 3K-SCB750 were related to the pore-filling effect and electrostatic attraction. Therefore, 3K-SCB750 biochar may be used as a promising adsorbent of antibiotics in wastewaters.
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Affiliation(s)
- Yan Zhou
- School of Ecology and Resource Engineering, Wuyi University, Wuyishan 354300, China; (Y.L.); (J.X.)
| | - Yongtao Lan
- School of Ecology and Resource Engineering, Wuyi University, Wuyishan 354300, China; (Y.L.); (J.X.)
| | - Michael Douglas Short
- Arris Pty. Ltd., Urrbrae, Adelaide, SA 5064, Australia
- Future Industries Institute, Science, Technology, Engineering and Mathematics (STEM), University of South Australia, Mawson Lakes, Adelaide, SA 5095, Australia
| | - Juanjuan Shi
- Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;
| | - Qiugui Zhang
- Fujian Hengxiang Co., Ltd., Songxi 353500, China;
| | - Junhao Xu
- School of Ecology and Resource Engineering, Wuyi University, Wuyishan 354300, China; (Y.L.); (J.X.)
| | - Gujie Qian
- College of Science and Engineering, Flinders University, Bedford Park, Adelaide, SA 5042, Australia
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15
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Wang L, Wang T, Hao R, Wang Y. Synthesis and applications of biomass-derived porous carbon materials in energy utilization and environmental remediation. CHEMOSPHERE 2023; 339:139635. [PMID: 37495055 DOI: 10.1016/j.chemosphere.2023.139635] [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: 06/05/2023] [Revised: 07/06/2023] [Accepted: 07/22/2023] [Indexed: 07/28/2023]
Abstract
Renewable biomass and its waste are considered among the most promising applications materials owing to the depletion of fossil fuel and concerns about environmental pollution. Notably, advanced porous carbon materials derived from carbon-rich biomass precursors exhibit controllable pore structures, large surface areas, natural microstructures, and abundant functional groups. In addition, these three-dimensional structures provide sufficient reaction sites and fascinating physicochemical properties that are conducive to heteroatom doping and functional modification. This review systematically summarizes the design methods and related mechanisms of biomass-derived porous carbon materials (BDPCMs), discusses how the synthesis conditions influence the structure and performance of the carbon material, and emphasizes the importance of its use in energy utilization and environmental remediation applications. Current BDPCMs challenges and future development strategies are finally discussed to provide systematic information for further synthesis and performance optimization, which are expected to lead to novel ideas for the future development of bio-based carbon materials.
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Affiliation(s)
- Lei Wang
- College of Materials Science and Art Design, Inner Mongolia Agricultural University, Hohhot, China; Inner Mongolia Key Laboratory of Sandy Shrubs Fibrosis and Energy Development and Utilization, Hohhot, 010018, PR China
| | - Teng Wang
- College of Materials Science and Art Design, Inner Mongolia Agricultural University, Hohhot, China
| | - Ruidi Hao
- College of Materials Science and Art Design, Inner Mongolia Agricultural University, Hohhot, China
| | - Yamei Wang
- College of Materials Science and Art Design, Inner Mongolia Agricultural University, Hohhot, China; Inner Mongolia Key Laboratory of Sandy Shrubs Fibrosis and Energy Development and Utilization, Hohhot, 010018, PR China.
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16
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Zhong H, Jiang C, Zou J, Zhu G, Huang Y. CeO 2-Based Porous Carbonaceous Frameworks as Antioxidant Nanozymes for Scavenging Reactive Oxygen Species and Adsorbing Benzo[a]pyrene. Inorg Chem 2023; 62:13168-13172. [PMID: 37555763 DOI: 10.1021/acs.inorgchem.3c02145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
Barbecue smoke, car exhaust, cigarette smoke, and other waste gases contain toxic reactive oxygen species (ROS) and polycyclic aromatic hydrocarbons (PAHs). Herein, CeO2-based porous carbonaceous frameworks (CeO2 PCFs) were explored as antioxidant nanozymes to scavenge ROS and absorb benzo[a]pyrene (B[a]P). Using cerium-based frameworks as the precursors, CeO2 PCFs were constructed by high-temperature calcination. Due to excellent superoxide dismutase-like and catalase-like activity, CeO2 PCFs could effectively eliminate superoxide radical, hydroxyl radical, and hydrogen peroxide. The 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) free radical scavenging assay had substantiated free radical scavenging ability of CeO2 PCFs. In addition, with a large surface area and porous structure, CeO2 PCFs could adsorb B[a]P efficiently. The designed CeO2 PCFs may provide a new opportunity as scavengers of ROS and absorbents of PAHs in some harmful gases.
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Affiliation(s)
- Huimin Zhong
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Cong Jiang
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Jiahui Zou
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Guancheng Zhu
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yanyan Huang
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
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17
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Cao B, Qu J, Chu Y, Zhu Y, Jiang Y, Zhang X, Sun M, Jiang Z, Ma S, Zhang Y. One-step self-assembly of Fe-biochar composite for enhanced persulfate activation to phenol degradation: Different active sites-induced radical/non-radical mechanism. CHEMOSPHERE 2023; 322:138168. [PMID: 36804499 DOI: 10.1016/j.chemosphere.2023.138168] [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: 12/21/2022] [Revised: 02/02/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Persulfate (PS) activation by nanoscale zerovalent iron (nZVI) is promising for water purification, while is limited due to its easy agglomeration and oxidation. Herein, nZVI encapsuled in carbon matrix shell was synthesized via one-step carbothermal reduction. The core-shell structure effectively inhibited oxidation and agglomeration of nZVI core, and graphitized porous structures facilitated phenol binding with maximal adsorption capacity of 117.10 mg/g achieved by nZVI0.6-BC800. Both reactive oxygen species (SO4•-, O•H, O2•- and 1O2) and electron transfer process resulted in phenol decomposition. Owing to diversified active sites, the nZVI0.6-BC800/PS system could completely degrade phenol degradation within short time, and exhibited great adaptation to extensive pH range (3.0-9.0) and coexisting substances. Additionally, the nZVI0.6-BC800/PS system could maintain over 85% removal of phenol after three recycles or 50 days of storage, and was highly-efficient to different water environments, thus proposing rational design of iron-carbon catalyst with potential in water treatment.
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Affiliation(s)
- Bo Cao
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Jianhua Qu
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Yingyu Chu
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Yujiao Zhu
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Yuxin Jiang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Xiubo Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Mingze Sun
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Zhao Jiang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Shouyi Ma
- Heilongjiang Academy of Land Reclamation Sciences, Harbin, 150030, China
| | - Ying Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China.
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18
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Cho SH, Lee S, Kim Y, Song H, Lee J, Tsang YF, Chen WH, Park YK, Lee DJ, Jung S, Kwon EE. Applications of agricultural residue biochars to removal of toxic gases emitted from chemical plants: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 868:161655. [PMID: 36649775 DOI: 10.1016/j.scitotenv.2023.161655] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/18/2022] [Accepted: 01/12/2023] [Indexed: 06/17/2023]
Abstract
Crop residues are representative agricultural waste materials, massively generated in the world. However, a large fraction of them is currently being wasted, though they have a high potential to be used as a value-added carbon-rich material. Also, the applications of carbon-rich materials from agricultural waste to industries can have economic benefit because waste-derived carbon materials are considered inexpensive waste materials. In this review, valorization methods for crop residues as carbon-rich materials (i.e., biochars) and their applications to industrial toxic gas removals are discussed. Applications of crop residue biochars to toxic gas removal can have significant environmental benefits and economic feasibility. As such, this review discussed the technical advantages of the use of crop residue biochars as adsorbents for hazardous gaseous pollutants and greenhouse gases (GHGs) stemmed from combustion of fossil fuels and the different refinery processes. Also, the practical benefits from the activation methods in line with the biochar properties were comprehensively discussed. The relationships between the physico-chemical properties of biochars and the removal mechanisms of gaseous pollutants (H2S, SO2, Hg0, and CO2) on biochars were also highlighted in this review study. Porosity controls using physical and chemical activations along with the addition of specific functional groups and metals on biochars have significantly contributed to the enhancement of flue gas adsorption. The adsorption capacity of biochar for each toxic chemical was in the range of 46-76 mg g-1 for H2S, 40-182 mg g-1 for SO2, 80-952 μg g-1 for Hg0, and 82-308 mg g-1 CO2, respectively. This helps to find suitable activation methods for adsorption of the target pollutants. In the last part, the benefits from the use of biochars and the research directions were prospectively provided to make crop residue biochars more practical materials in adsorption of pollutant gases.
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Affiliation(s)
- Seong-Heon Cho
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Sangyoon Lee
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Youkwan Kim
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Hocheol Song
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Jechan Lee
- Department of Global Smart City, Sungkyunkwan University, Suwon 16419, Republic of Korea; School of Civil, Architectural Engineering, and Landscape Architecture, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Yiu Fai Tsang
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, New Territories 999077, Hong Kong
| | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Dong-Jun Lee
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea; Department of Animal Environment, National Institute of Animal Science (NIAS), Wanju 55365, Republic of Korea
| | - Sungyup Jung
- Department of Environmental Engineering, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Eilhann E Kwon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea.
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Tian H, Peng S, Zhao L, Chen Y, Cui K. Simultaneous adsorption of Cd(II) and degradation of OTC by activated biochar with ferrate: Efficiency and mechanism. JOURNAL OF HAZARDOUS MATERIALS 2023; 447:130711. [PMID: 36641845 DOI: 10.1016/j.jhazmat.2022.130711] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/10/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Biochar-supported zero-valent iron nanocomposites have received much attention due to their application potential in environmental pollution remediation. However, in many occasions, zero-valent iron loading improves the electron transfer efficiency and catalytic oxidation capacity of biochar while blocking the original pore structure of biochar, limiting its application potential. In this study, a zero-valent iron composites with large SSA (865.86 m2/g) was prepared in one step using pre-pyrolysis of biochar powder and K2FeO4 grinding for co-pyrolysis. The processes of ZVI generation and SSA expansion during the pyrolysis were investigated. The factors affecting the removal process of Cd and OTC in water by the composites were investigated. The mechanisms of Cd fixation and OTC degradation by the composites were explored by experiments, characterization, and DFT calculations. The OTC degradation pathway was proposed by theoretical predication and LC-MS spectrometry. The results indicate that ion exchange, complexation with oxygen-containing functional groups, electrostatic attraction, and interaction with π-electrons are the main mechanisms of Cd immobilization. The degradation pathways of OTC mainly include dehydroxylation, deamination and dealkylation.
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Affiliation(s)
- Haoran Tian
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230000, China; Key Laboratory of Nanominerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Shuchuan Peng
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230000, China; Key Laboratory of Nanominerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei, Anhui 230009, China.
| | - Lu Zhao
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230000, China; Key Laboratory of Nanominerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Yihan Chen
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230000, China
| | - Kangping Cui
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230000, China
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Lugo A, Xu X, Abeysiriwardana-Arachchige ISA, Bandara GLCL, Nirmalakhandan N, Xu P. Techno-economic assessment of a novel algal-membrane system versus conventional wastewater treatment and advanced potable reuse processes: Part II. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 331:117189. [PMID: 36634420 DOI: 10.1016/j.jenvman.2022.117189] [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: 07/17/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
This study developed a comprehensive techno-economic assessment (TEA) framework to evaluate an innovative algae resource recovery and near zero-liquid discharge potable reuse system (i.e., the main system) in comparison with a conventional potable water reuse system (i.e., the benchmark system). The TEA study aims to estimate the levelized costs of water of individual units and integrated processes including secondary wastewater treatment, advanced water purification for potable reuse, and sludge treatment. This would provide decision-makers valuable information regarding the capital and operational costs of the innovative main system versus a typical potable water reuse treatment train, along with possible routes of cost optimization and improvements for the design of full-scale facilities. The main system consists of (i) a novel algal-based wastewater treatment coupled with a dual forward osmosis and seawater reverse osmosis (Algal FO-SWRO) membranes system for potable water reuse and hydrothermal liquefaction (HTL) to produce bioenergy and subsequent nutrients extraction from the harvested algal biomass. The benchmark system includes (ii) an advanced water purification facility (AWPF) that consists of a conventional activated sludge biological treatment (CAS), microfiltration (MF), brackish water reverse osmosis (BWRO), ultraviolet/advanced oxidation process (UV-AOP), and granular activated carbon (GAC), with anaerobic digestion for sludge treatment. Capital expenditures (CAPEX) and operational expenditures (OPEX) were calculated for each unit of both systems (i.e., sub-systems). Based on a 76% overall water recovery designed for the benchmark system, the water cost was estimated at $2.03/m3. The highest costs in the benchmark system were found on the CAS and the anaerobic digester, with the UV-AOP combined with GAC for hydrogen peroxide (H2O2) quenching as the driving factor in the increased costs of the system. The cost of the main system, based on an overall 88% water recovery, was estimated to be $1.97/m3, with costs mostly driven by the FO and SWRO membranes. With further cost reduction and optimization for FO membranes such as membrane cost, water recovery, and flux, the main system can provide a much more economically viable alternative in its application than a typical benchmark system.
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Affiliation(s)
- Abdiel Lugo
- Civil Engineering Department, New Mexico State University, Las Cruces, NM, 88003, United States
| | - Xuesong Xu
- Civil Engineering Department, New Mexico State University, Las Cruces, NM, 88003, United States
| | | | | | - Nagamany Nirmalakhandan
- Civil Engineering Department, New Mexico State University, Las Cruces, NM, 88003, United States
| | - Pei Xu
- Civil Engineering Department, New Mexico State University, Las Cruces, NM, 88003, United States.
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21
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Lugo A, Bandara GLCL, Xu X, Penteado de Almeida J, Abeysiriwardana-Arachchige ISA, Nirmalakhandan N, Xu P. Life cycle energy use and greenhouse gas emissions for a novel algal-osmosis membrane system versus conventional advanced potable water reuse processes: Part I. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 331:117293. [PMID: 36657205 DOI: 10.1016/j.jenvman.2023.117293] [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: 07/17/2022] [Revised: 01/01/2023] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
This study applied a life cycle assessment (LCA) methodology for a comparative environmental analysis between an innovative algae resource recovery and near zero-liquid discharge potable reuse system (i.e., the main system) versus a conventional potable reuse system (i.e., the benchmark system) through energy use and greenhouse gas (GHG) emissions. The objective of this study is to demonstrate that pilot-scale data coupled with LCA would provide valuable information for system optimization, integration, and improvements for the design of environmentally sustainable full-scale systems. This study also provides decision-makers valuable information regarding the energy demand and environmental impact of this innovative main system compared to a typical tried-and-true system for potable water reuse. The main system consists of a novel algal-based wastewater treatment coupled with a dual forward osmosis and seawater reverse osmosis (Algal FO-SWRO) membranes system for potable water recovery and hydrothermal liquefaction (HTL) to recover biofuels and valuable nutrients from the harvested algal biomass. The benchmark system refers to the current industry standard technologies for potable water reuse and waste management including a secondary biological treatment, microfiltration (MF), brackish water reverse osmosis (BWRO), ultraviolet/advanced oxidation process (UV-AOP), and granular activated carbon (GAC), as well as anaerobic digestion for sludge treatment. Respective energy and GHG emissions of both systems were normalized and compared considering 1 m3 of water recovered. Based on an overall water recovery of 76% designed for the benchmark system, the energy consumption totaled 4.83 kWh/m3, and the system was estimated to generate 2.42 kg of CO2 equivalent/m3 with most of the emissions coming from the biological treatment. The main system, based on an overall water recovery of 88%, was estimated to consume 4.76 kWh/m3 and emit 1.49 kg of CO2 eq/m3. The main system has high environmental resilience and can recover bioenergy and nutrients from wastewater with zero waste disposal. With the application of energy recovery devices for the HTL and the SWRO, increase in water recovery of the FO membrane, and replacement of the SWRO membrane with BWRO, the main system provides an energy-competitive and environmentally positive alternative with an energy demand of 2.57 kWh/m3 and low GHG emissions of 0.94 kg CO2 eq/m3.
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Affiliation(s)
- Abdiel Lugo
- Civil Engineering Department, New Mexico State University, Las Cruces, NM, 88003, United States
| | | | - Xuesong Xu
- Civil Engineering Department, New Mexico State University, Las Cruces, NM, 88003, United States
| | | | | | - Nagamany Nirmalakhandan
- Civil Engineering Department, New Mexico State University, Las Cruces, NM, 88003, United States
| | - Pei Xu
- Civil Engineering Department, New Mexico State University, Las Cruces, NM, 88003, United States.
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Zhengfeng S, Ming C, Geming W, Quanrong D, Shenggao W, Yuan G. Synthesis, characterization and removal performance of Cr (Ⅵ) by orange peel-based activated porous biochar from water. Chem Eng Res Des 2023. [DOI: 10.1016/j.cherd.2023.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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23
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Chen B, Guan H, Zhang Y, Liu S, Zhao B, Zhong C, Zhang H, Ding W, Song A, Zhu D, Liu L, Wulan B, Li H, Liu G, Feng X. Performance and mechanism of Pb2+ and Cd2+ ions’ adsorption via modified antibiotic residue-based hydrochar. Heliyon 2023; 9:e14930. [PMID: 37077678 PMCID: PMC10106921 DOI: 10.1016/j.heliyon.2023.e14930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/22/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023] Open
Abstract
This study investigated the hydrochar-based porous carbon prepared by combining the technical route of hydrothermal carbonization (HTC) + chemical activation. The hydrochar morphology was adjusted by changing the activation reaction conditions and adding metal salts. Experiments showed that the activation of KHCO3 significantly increased the specific surface area and pore size of the hydrochar. Besides, oxygen-rich groups on the surface of the activated hydrochar interacted with heavy metal ions to achieve efficient adsorption. The activated hydrothermal carbon adsorption capacity for Pb2+ and Cd2+ ions reached 289 and 186 mg/g, respectively. The adsorption mechanism study indicated that the adsorption of Pb2+ and Cd2+ was related to electrostatic attraction, ion exchange, and complexation reactions. The "HTC + chemical activation" technology was environmentally friendly and effectively implemented antibiotic residues. Carbon materials with high adsorption capacity can be prepared so that biomass resources can be utilized with excessive value, as a consequence presenting technical assistance for the comprehensive disposal of organic waste in the pharmaceutical industry and establishing a green and clean production system.
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Affiliation(s)
- Bingtong Chen
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Haibin Guan
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
- Corresponding author.
| | - Yue Zhang
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Suxiang Liu
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Baofeng Zhao
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Cunqing Zhong
- Heze Institute of Product Inspection and Testing, Heze, 274000, Shandong, China
| | - Heming Zhang
- Heze Institute of Product Inspection and Testing, Heze, 274000, Shandong, China
| | - Wenran Ding
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Angang Song
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Di Zhu
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
- Corresponding author.
| | - Liangbei Liu
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Bari Wulan
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Huan Li
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Guofu Liu
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
| | - Xiangyu Feng
- Energy Research Institute, Shandong Key Laboratory of Biomass Gasification Technology, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, Shandong, China
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Ma P, Yao S, Wang Z, Qi F, Liu X. Preparation of nitrogen-doped hierarchical porous carbon aerogels from agricultural wastes for efficient pollution adsorption. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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25
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Han S, Tao Y, Cui Y, Xu J, Ju H, Fan L, Zhang L, Zhang Y. Lanthanum-modified polydopamine loaded Acinetobacter lwoffii DNS32 for phosphate and atrazine removal: Insights into co-adsorption and biodegradation mechanisms. BIORESOURCE TECHNOLOGY 2023; 368:128266. [PMID: 36351531 DOI: 10.1016/j.biortech.2022.128266] [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: 09/08/2022] [Revised: 10/29/2022] [Accepted: 10/31/2022] [Indexed: 06/16/2023]
Abstract
A novel biobased composite was developed for the removal of phosphate (P) and atrazine from agricultural wastewater. A composite with strong P affinity and good biocompatibility, synthesized from La3+ and polydopamine (PDA), was immobilized onto an atrazine-degrading bacterium Acinetobacter lwoffii DNS32 (La/PDA/DNS32). Following Box-Behnken design optimization, the maximum removal rate of P (500 mg L-1) and atrazine (100 mg L-1) by La/PDA/DNS32 reached 28 % and 100 %, respectively. Density functional theory calculations revealed that La/PDA had more negative adsorption energy (-5.90 eV) than PDA alone and exhibited prominent electrophilic sites. Additionally, La/PDA-induced sorption of atrazine improved transmembrane transport and enhanced expression of degradation-associated genes in strain DNS32. La/PDA nanoparticles surrounding strain DNS32 provided a shielding effect and exhibited desirable biostability, thermal stability, and acid-alkaline resistance under contamination stress. This study demonstrates the promising potential of La/PDA/DNS32 in reducing the P and atrazine pollution caused by agricultural production.
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Affiliation(s)
- Siyue Han
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Yue Tao
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Yunhe Cui
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Jiaming Xu
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Hanxun Ju
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Linlin Fan
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Lin Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Ying Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China.
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26
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Effects of KMnO4 pre- and post-treatments on biochar properties and its adsorption of tetracycline. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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27
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Yan Y, Zhou L, Chen Z, Qi F. Ultrahigh sorption of sulfamethoxazole by potassium hydroxide-modified biochars derived from bean-worm skin waste. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:3997-4009. [PMID: 35963968 DOI: 10.1007/s11356-022-22544-5] [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: 06/06/2022] [Accepted: 08/10/2022] [Indexed: 06/15/2023]
Abstract
Food processing of bean worm generates copious amount of skin as solid waste posing a serious environmental concern. The present study utilized bean worm skin (BWS) waste to produce KOH-modified biochars (KBWS-BCs) for the removal of sulfamethoxazole (SMX) from aqueous solution for the first time. Characterization of KBWS-BCs was systematically investigated via multiple instrumental analysis techniques. The sorption performance of KBWS-BCs as a function of solution pH, reaction time, initial SMX concentration, and reaction temperature was investigated using batch experiments. The classic kinetics and isotherm models were employed to fit the sorption data. KBWS-BCs exhibited large surface areas (3331-4742 m2 g-1) and ultrahigh sorption performance for SMX (maximum adsorption capacities of 909-2000 mg g-1), which were comparable to those of other modified biochars and even those of well-designed materials. Thermodynamic study indicated that the sorption of SMX on KBWS-BCs was a spontaneous (△G° < 0) and exothermic (△H° < 0) process. Mechanism analysis showed that both chemisorption and physisorption were responsible for the adsorption of SMX by KBWS-BCs. Overall, recycling BWS for preparation of high-performance biochars can be a "win-win" strategy for both disposal of BWS and removal of SMX from wastewater.
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Affiliation(s)
- Yubo Yan
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huaian, 223300, China.
| | - Lei Zhou
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huaian, 223300, China
| | - Zhaolan Chen
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huaian, 223300, China
| | - Fangjie Qi
- Global Centre for Environmental Remediation, University of Newcastle, Callaghan, NSW, 2308, Australia
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28
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Zhu Q, Gao H, Sun Y, Xiang Y, Liang X, Ivanets A, Li X, Su X, Lin Z. Highly efficient adsorption of chromium on N, S-codoped porous carbon materials derived from paper sludge. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 834:155312. [PMID: 35439513 DOI: 10.1016/j.scitotenv.2022.155312] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 06/14/2023]
Abstract
The synergistic effect of heteroatoms is a viable method to enhance the adsorption performance of heavy metal onto carbon-based materials. However, the high cost, complex operation and a lot of pollution from the synthesis process have limited its development. Herein, a facile two-step pyrolysis method is used to prepare in situ N and S doped porous biochar from paper mill sludge for the removal of Cr(VI) from aqueous environment. The NSC-450 sample prepared under the optimum conditions has a large specific surface area of 3336.7 m2 g-1, an average pore size of 2.56 nm and a total pore volume of 2.10 cm3 g-1, manifesting the excellent adsorption capacity of 356.25 mg g-1 for Cr(VI). The adsorption of Cr(VI) by NSC-450 is consistent with the Langmuir isotherm and pseudo-second-order model, suggesting a spontaneous and endothermic chemisorption process. The analysis results show that the NH, graphitic nitrogen and thiophene structures have a positive effect on converting a large amount of Cr(VI) to Cr(III) by synergistic reduction, indicating obviously facilitating Cr(VI) removal compared to other sites. Therefore, in this material, the strong adsorption mechanism is mainly reductive complexation. Moreover, the effects of real water quality, anions, cations and fulvic acid on the adsorption behavior of Cr(VI) onto the NSC-450 were further investigated. The results demonstrate that the chromium removal rate remains above 82% even in actual electroplating wastewater, suggesting NSC-450 has great practical application prospect. This work offered a feasible method for high-value utilization of sludge, but also provided a novel perspective for the future design of heteroatom-doped carbon materials for promoting to eliminate hexavalent chromium from water environment.
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Affiliation(s)
- Qian Zhu
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou, China; School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling South China University of Technology, Guangzhou, Guangdong 510006, China
| | - Huiqin Gao
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling South China University of Technology, Guangzhou, Guangdong 510006, China
| | - Yiwei Sun
- China-Singapore International Joint Research Institute (CSIRI), Guangzhou 510006, China
| | - Yujia Xiang
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling South China University of Technology, Guangzhou, Guangdong 510006, China.
| | - Xiangjing Liang
- Guangzhou Haitao Environmental Protection Technology Company Limited, Guangzhou, Guangdong 511340, China
| | - Andrei Ivanets
- Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus, Surganova St., 9/1, 220072 Minsk, Belarus
| | - 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, China.
| | - Xintai Su
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling South China University of Technology, Guangzhou, Guangdong 510006, China.
| | - Zhang Lin
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou, China; School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling South China University of Technology, Guangzhou, Guangdong 510006, China
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Qu J, Liu Y, Meng J, Bi F, Ma S, Zhang G, Wang Y, Tao Y, Jiang Z, Zhang Y. Pinecone-derived magnetic porous hydrochar co-activated by KHCO 3 and K 2FeO 4 for Cr(VI) and anthracene removal from water. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119457. [PMID: 35561795 DOI: 10.1016/j.envpol.2022.119457] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 05/07/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Herein, magnetic porous pinecone-derived hydrochar (MPHCMW) co-activated by KHCO3 and K2FeO4 through one-step microwave-assisted pyrolysis was innovatively synthesized for hexavalent chromium (Cr(VI)) and anthracene (ANT) removal from water. The analyses of characterization consequences and co-activation mechanisms not merely proved the high specific surface area (703.97 m2/g) and remarkable microporous structures of MPHCMW caused by the synergistic chemical activation of KHCO3 and K2FeO4, but also testified successful loading of Fe0 and Fe3O4 on MPHCMW by the process of carbothermal reduction between K2FeO4 and carbon matrix of hydrochar. The resultant MPHCMW possessed pH-dependence for Cr(VI), while adsorption for ANT was hardly impacted by the pH of solution. Moreover, the adsorption processes of MPHCMW could attain equilibrium within 60 min for Cr(VI) and 30 min for ANT with multiple kinetics, and the corresponding adsorption capacity for Cr(VI) and ANT was 128.15 and 60.70 mg/g, respectively. Additionally, the adsorption percentages of MPBCMW for Cr(VI)/ANT was maintained at 87.87/82.64% after three times of adsorption-desorption cycles. Furthermore, pore filling, complexation, electrostatic interaction, reduction and ion exchange were testified to enhance the removal of Cr(VI), while the ANT removal was achieved via π-π stacking, complexation, pore filling and hydrogen bonding force.
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Affiliation(s)
- Jianhua Qu
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Yang Liu
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Jiao Meng
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Fuxuan Bi
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Shouyi Ma
- Heilongjiang Academy of Land Reclamation Sciences, Harbin, 150030, China
| | - Guangshan Zhang
- Colleg of Resource and Environment, Qingdao Engineering Research Center for Rural Environment, Qingdao Agricultural University, Qingdao, 266109, China
| | - Yifan Wang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Yue Tao
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Zhao Jiang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China
| | - Ying Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, China; Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, 4888 Shengbei Rd, Changchun, 130102, China.
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30
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Zhang Y, Cheng L, Ji Y. A novel amorphous porous biochar for adsorption of antibiotics: Adsorption mechanism analysis via experiment coupled with theoretical calculations. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.07.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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31
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Khalil KM, Elhamdy WA, Elsamahy AA. Biomass derived P−doped activated carbon as nanostructured mesoporous adsorbent for chromium(VI) pollutants with pronounced functional efficiency and recyclability. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128553] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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Jin Y, Zhang B, Chen G, Chen H, Tang S. Combining biological and chemical methods to disassemble of cellulose from corn straw for the preparation of porous carbons with enhanced adsorption performance. Int J Biol Macromol 2022; 209:315-329. [PMID: 35405151 DOI: 10.1016/j.ijbiomac.2022.04.033] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 03/30/2022] [Accepted: 04/04/2022] [Indexed: 12/20/2022]
Abstract
In this study, we used a combination of chemical and biological pretreatment methods to extract cellulose from corn straw with a relative content of 92.40%. The adsorption performance and mechanism of the prepared porous carbon were investigated using synthetic dye malachite green (MG) and antibiotic tetracycline hydrochloride (TC) as adsorption models. The kinetic studies suggested that the adsorption followed the pseudo-second-order model and Bangham model. The Freundlich isotherm model fitted the adsorption data best for both MG and TC. The thermodynamic studies showed that the adsorption of MG and TC by adsorbents were spontaneous and endothermic in nature. In addition, the adsorption performance was maintained at 50% of the original value after five cycles. More importantly, this method not only improved the adsorption performance of prepared porous carbon materials but also provides a reference for the application of other lignocellulosic materials for cellulose extraction.
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Affiliation(s)
- Yiping Jin
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; The Key Laboratory of Straw Biology and Utilization, The Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Bolun Zhang
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; The Key Laboratory of Straw Biology and Utilization, The Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Guang Chen
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; The Key Laboratory of Straw Biology and Utilization, The Ministry of Education, Jilin Agricultural University, Changchun 130118, China.
| | - Huan Chen
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; The Key Laboratory of Straw Biology and Utilization, The Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Shanshan Tang
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China; The Key Laboratory of Straw Biology and Utilization, The Ministry of Education, Jilin Agricultural University, Changchun 130118, China
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Li B, Zhang Y, Xu J, Fan S, Xu H. Facile preparation of magnetic porous biochars from tea waste for the removal of tetracycline from aqueous solutions: Effect of pyrolysis temperature. CHEMOSPHERE 2022; 291:132713. [PMID: 34710446 DOI: 10.1016/j.chemosphere.2021.132713] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/10/2021] [Accepted: 10/24/2021] [Indexed: 06/13/2023]
Abstract
Pyrolysis process significantly influences the physicochemical properties and potential application of magnetic porous biochars (MPBCs). However, the effects of pyrolysis temperature on the properties of MPBCs as well as substantial adsorption are still unclear. This study reported a facile method to obtain the MPBC from tea waste via pyrolysis of a mixture of hydrochar, KHCO3, and FeCl3·6H2O under different temperatures (500-800 °C), and explored further the adsorption toward tetracycline (TC). Results showed pyrolysis temperature obviously influenced the physicochemical properties of MPBCs, and MPBC pyrolyzed at 700 °C (MPBC-700) has a highest specific surface area (1066 m2 g-1) and pore volume (2.693 cm3 g-1). However, the adsorption potential increased consistently from 59.35 mg g-1 for MPBC-500 to 333.22 mg g-1 for MPBC-800, suggesting that the surface area and pore volume were not the only factors determining TC adsorption. Further analysis showed that the pore-filling, π-π interaction, complexation, and hydrogen bonding contributed together to TC adsorption. Moreover, all MPBCs possessed a high saturation magnetization, indicating the easy separation by an external magnet. Therefore, MPBCs (especially at 700 °C) can act as the excellent adsorbents for contaminant removal due to their high separation, adsorption, and reuse performance.
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Affiliation(s)
- Bin Li
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Yin Zhang
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Jin Xu
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Shisuo Fan
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China.
| | - Huacheng Xu
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China.
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Queiroz RN, Prediger P, Vieira MGA. Adsorption of polycyclic aromatic hydrocarbons from wastewater using graphene-based nanomaterials synthesized by conventional chemistry and green synthesis: A critical review. JOURNAL OF HAZARDOUS MATERIALS 2022; 422:126904. [PMID: 34418840 DOI: 10.1016/j.jhazmat.2021.126904] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/26/2021] [Accepted: 08/11/2021] [Indexed: 06/13/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are organic pollutants formed mainly by the incomplete combustion of organic matter, such as oil, gas and coal. The presence of PAHs can cause irreparable damage to the environment and living beings, which has generated a global concern with the short and long term risks that the emission of these pollutants can cause. Many technologies have been developed in the last decades aiming at the identification and treatment of these compounds, mainly, the PAHs from wastewater. This review features an overview of studies on the main methods of PAHs remediation from wastewater, highlighting the adsorption processes, through the application of different adsorbent nanomaterials, with a main focus on graphene-based nanomaterials, synthesized by conventional and green routes. Batch and fixed-bed adsorptive processes were evaluated, as well as, the mechanisms associated with such processes, based on kinetic, equilibrium and thermodynamic studies. Based on the studies analyzed in this review, green nanomaterials showed higher efficiency in removing PAHs than the conventional nanomaterials. As perspectives for future research, the use of green nanomaterials has shown to be sustainable and promising for PAHs remediation, so that further studies are needed to overcome the possible challenges and limitations of green synthesis methodologies.
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Affiliation(s)
- Ruth Nóbrega Queiroz
- Process and Product Development Department, School of Chemical Engineering, University of Campinas - UNICAMP, Albert Einstein Avenue, 500, 13083-852 Campinas, São Paulo, Brazil
| | - Patrícia Prediger
- School of Technology, University of Campinas - UNICAMP, 13484-332 Limeira, São Paulo, Brazil
| | - Melissa Gurgel Adeodato Vieira
- Process and Product Development Department, School of Chemical Engineering, University of Campinas - UNICAMP, Albert Einstein Avenue, 500, 13083-852 Campinas, São Paulo, Brazil.
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35
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Liu S, Quan T, Yang L, Deng L, Kang X, Gao M, Xia Z, Li X, Gao D. N,Cl-Codoped Carbon Dots from Impatiens balsamina L. Stems and a Deep Eutectic Solvent and Their Applications for Gram-Positive Bacteria Identification, Antibacterial Activity, Cell Imaging, and ClO - Sensing. ACS OMEGA 2021; 6:29022-29036. [PMID: 34746591 PMCID: PMC8567351 DOI: 10.1021/acsomega.1c04078] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/08/2021] [Indexed: 05/08/2023]
Abstract
In this study, we first synthesized metal-free N,Cl-doped carbon dots (N,Cl-CDs) using Impatiens balsamina L. stems as green precursors in a deep eutectic solvent (DES). The obtained N,Cl-CDs were characterized through transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), Fourier-transform infrared (FT-IR) spectroscopy, fluorescence (FL) spectroscopy, and ultraviolet (UV) spectroscopy. In addition to the common features of carbon dots (CDs), such as high light stability, small size, low toxicity, good aqueous solubility, and favorable biocompatibility, these N,Cl-CDs exhibited excellent recognition and selectivity for Gram-positive bacteria by doping with N and Cl elements using DES. The N,Cl-CDs with positive charge cannot only differentiate Gram-positive bacteria by selective fluorescence imaging but also have antibacterial effects on Gram-positive bacteria. Through potential, ROS, and morphological analyses of bacteria before and after treatment with N,Cl-CDs, the antibacterial mechanisms of bacteriostasis, Enterococcus faecium, Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Pseudomonas aeruginosa, and Salmonella were explored. In addition, N,Cl-CDs demonstrated low cytotoxicity and good cell imaging ability in cancer and normal cells. Moreover, they can be used as a fluorescence sensor for the detection of ClO- with a detection range from 100 nM to 40 μM and a limit of detection (LOD) of 30 nM. In summary, the prepared N,Cl-CDs could be applied as environmentally friendly Gram-positive bacterial identification and antibacterial agents. Additionally, their cell imaging and ClO- detection abilities were outstanding.
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Affiliation(s)
- Shaochi Liu
- School
of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Tian Quan
- School
of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Lijuan Yang
- School
of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Linlin Deng
- School
of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Xun Kang
- School
of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Manjie Gao
- School
of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Zhining Xia
- School
of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Xiang Li
- School
of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Die Gao
- School
of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
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Cheng L, Ji Y, Liu X, Mu L, Zhu J. Sorption mechanism of organic dyes on a novel self-nitrogen-doped porous graphite biochar: Coupling DFT calculations with experiments. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2021.116739] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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37
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Song T, Tian W, Zhao J, Qiao K, Zou M, Chu M. N-doped Reduced Graphene Oxide nanocomposites encapsulated sodium alginate/polyvinyl alcohol microspheres for anthracene and its oxygenated-PAH removal in aqueous solution. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.06.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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38
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Oyarzun DI, Zhan C, Hawks SA, Cerón MR, Kuo HA, Loeb CK, Aydin F, Pham TA, Stadermann M, Campbell PG. Unraveling the Ion Adsorption Kinetics in Microporous Carbon Electrodes: A Multiscale Quantum-Continuum Simulation and Experimental Approach. ACS APPLIED MATERIALS & INTERFACES 2021; 13:23567-23574. [PMID: 33979129 DOI: 10.1021/acsami.1c01640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Understanding sorption in porous carbon electrodes is crucial to many environmental and energy technologies, such as capacitive deionization (CDI), supercapacitor energy storage, and activated carbon filters. In each of these examples, a practical model that can describe ion electrosorption kinetics is highly desirable for accelerating material design. Here, we proposed a multiscale model to study the ion electrosorption kinetics in porous carbon electrodes by combining quantum mechanical simulations with continuum approaches. Our model integrates the Butler-Volmer (BV) equation for sorption kinetics and a continuously stirred tank reactor (CSTR) formulation with atomistic calculations of ion hydration and ion-pore interactions based on density functional theory (DFT). We validated our model experimentally by using ion mixtures in a flow-through electrode CDI device and developed an in-line UV absorption system to provide unprecedented resolution of individual ions in the separation process. We showed that the multiscale model captures unexpected experimental phenomena that cannot be explained by the traditional ion electrosorption theory. The proposed multiscale framework provides a viable approach for modeling separation processes in systems where pore sizes and ion hydration effects strongly influence the sorption kinetics, which can be leveraged to explore possible strategies for improving carbon-based and, more broadly, pore-based technologies.
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Affiliation(s)
- Diego I Oyarzun
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Cheng Zhan
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Steven A Hawks
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Maira R Cerón
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Helen A Kuo
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Colin K Loeb
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Fikret Aydin
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Tuan Anh Pham
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Michael Stadermann
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Patrick G Campbell
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
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Singh G, Lee JM, Kothandam G, Palanisami T, Al-Muhtaseb AH, Karakoti A, Yi J, Bolan N, Vinu A. A Review on the Synthesis and Applications of Nanoporous Carbons for the Removal of Complex Chemical Contaminants. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200379] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Gurwinder Singh
- Global Innovative Center for Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Jang Mee Lee
- Global Innovative Center for Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Gopalakrishnan Kothandam
- Global Innovative Center for Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Thavamani Palanisami
- Global Innovative Center for Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Ala'a H. Al-Muhtaseb
- Department of Petroleum and Chemical Engineering, College of Engineering, Sultan Qaboos University, P.O. Box 33, Al-Khod 123, Muscat, Oman
| | - Ajay Karakoti
- Global Innovative Center for Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Jiabao Yi
- Global Innovative Center for Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Nanthi Bolan
- College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Ajayan Vinu
- Global Innovative Center for Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
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40
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Cheng L, Ji Y, Liu X. Insights into interfacial interaction mechanism of dyes sorption on a novel hydrochar: Experimental and DFT study. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2020.116432] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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41
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Cheng L, Ji Y, Shao Q. Facile modification of hydrochar derived from cotton straw with excellent sorption performance for antibiotics: Coupling DFT simulations with experiments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 760:144124. [PMID: 33348163 DOI: 10.1016/j.scitotenv.2020.144124] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/29/2020] [Accepted: 11/21/2020] [Indexed: 06/12/2023]
Abstract
This study aimed to investigate the sorption of tetracycline (TC) and norfloxacin (NOR) by modified cotton straw hydrochars (CSHC), which would enable the agricultural waste to be processed and recycled. Three kinds of hydrochars were prepared by H2SO4, KOH and KMnO4 modification, showed obvious differences in structures and surface functional groups. The sorption processes contain film diffusion, intraparticle diffusion, and equilibrium. The interaction mechanism between hydrochar and antibiotics include π-π stacking, hydrogen bond, and electrostatic interaction. KMnO4-modified hydrochar had the largest sorption capacity for TC (58.09 mg/g), while H2SO4-modified hydrochar had the largest sorption capacity for NOR (49.64 mg/g). Density functional calculations (DFT) results confirmed that the sorption capacity between hydrochar (HC) and TC was larger than that between HC and NOR. During the sorption process, the TC and NOR were regarded as electron acceptor and electron donor. Generally, CSHC-KMnO4 and CSHC-H2SO4 may be simply prepared and have the potential to eliminate antibiotics from water.
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Affiliation(s)
- Long Cheng
- Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China
| | - Yuanhui Ji
- Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China.
| | - Qing Shao
- Chemical and Materials Engineering Department, University of Kentucky, Lexington, KY 40506, USA
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42
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Li B, Zhang Y, Xu J, Mei Y, Fan S, Xu H. Effect of carbonization methods on the properties of tea waste biochars and their application in tetracycline removal from aqueous solutions. CHEMOSPHERE 2021; 267:129283. [PMID: 33338711 DOI: 10.1016/j.chemosphere.2020.129283] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/05/2020] [Accepted: 12/08/2020] [Indexed: 06/12/2023]
Abstract
The properties of biochars and their adsorption performance are highly dependent on the carbonation methods. In this study, five carbonation methods, namely, hydrothermal treatment (HT), direct carbonization (BC), carbonization of hydrochar (HBC), KHCO3 activation carbonation (KBC), and KHCO3 activation carbonation of hydrochar (KHBC), were adopted to prepare tea waste biochars. Adsorption behaviors and mechanisms toward tetracycline (TC) by biochar in the aquatic environment were investigated. The results showed that carbonation methods significantly influence the morphology, carbon structure, chemical composition, and functional groups of the biochars based on the characterization of surface area and pore volume analysis, Fourier Transform Infrared Spectroscopy, Raman spectrum, Scanning Electron Microscope, Transmission Electron Microscope, X-ray photoelectron spectroscopy, X-Ray Diffraction, and elemental analysis. Combination of hydrothermal treatment with KHCO3 activation can significantly increase the surface area and enlarge the pore structure of biochar (KHBC and KBC). The BET of KHCO3-activated BCs nearly increased 280 times (KHBC: 1350.80 m2 g-1; KBC: 1405.06 m2 g-1). BET, total pore volume and micropores volume of biochar has a positive influence on TC adsorption capacity. In addition, all adsorption processes can be well fitted by Langmuir and pseudo-second-order kinetic models. The maximum adsorption capacity of KHCO3-activated BCs nearly increased approximately 40 times (KHBC: 451.45 mg g-1; KBC: 425.17 mg g-1). The dominant mechanisms of biochar-adsorbed TC were pore-filling effect and π-π interactions, followed by hydrogen bonds and electrostatic interactions. Therefore, KHBC has the potential to act as sorbents for TC removal from aquatic environment.
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Affiliation(s)
- Bin Li
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Yin Zhang
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Jin Xu
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Yanglu Mei
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Shisuo Fan
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China.
| | - Huacheng Xu
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China.
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43
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Wang J, Zhao M, Zhang J, Zhao B, Lu X, Wei H. Characterization and utilization of biochars derived from five invasive plant species Bidens pilosa L., Praxelis clematidea, Ipomoea cairica, Mikania micrantha and Lantana camara L. for Cd 2+ and Cu 2+ removal. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 280:111746. [PMID: 33298398 DOI: 10.1016/j.jenvman.2020.111746] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/22/2020] [Accepted: 11/24/2020] [Indexed: 06/12/2023]
Abstract
Exotic invasive plants endanger the integrity of agricultural and natural systems throughout the world. Thus, the development of cost-effective and economic application of invasive plants is warranted. Here, we characterized fifteen biochars derived from five invasive plants at different temperatures (300, 500, and 700 °C) by determining their yield, ash content, pH, CEC, surface area, elementary composition, functional groups, and mineral composition. We conducted batch adsorption experiments to investigate the adsorption capacity and efficiency for Cd2+ and Cu2+ in wastewater. Our results suggest that all invasive plants are appropriate for biochar production, temperature and plant species had interacting effects on biochar properties, and the biochars pyrolyzed at 500 and 700 °C exhibited high metal adsorption capacity in neutral (pH = 7) solutions. The adsorption kinetics can be explained adequately by a pseudo-second-order model. BBC500 (Bidens pilosa L. derived biochar at 500 °C) and MBC500 (Mikania micrantha) exhibited higher metal equilibrium adsorption capacities (38.10 and 38.02 mg g-1 for Cd2+, 20.01 and 20.10 mg g-1 for Cu2+) and buffer abilities to pH than other biochars pyrolyzed at 500 °C. The Langmuir model was a better fit for IBC500 (Ipomoea cairica), MBC500, and LBC500 (Lantana camara L.) compared to the Freundlich model, whereas the opposite was true for BBC500 and PBC500 (Praxelis clematidea). These results suggest that the adsorption of metals by IBC500, MBC500, and LBC500 was mainly monolayer adsorption, while that by BBC500 and PBC500 was mainly chemical adsorption. Our results are important for the utilization and control of invasive plants as well as the decontamination of aqueous pollution.
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Affiliation(s)
- Jiaxin Wang
- Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Wushan Road, Tianhe District, Guangzhou 510642, People's Republic of China.
| | - Min Zhao
- Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Wushan Road, Tianhe District, Guangzhou 510642, People's Republic of China.
| | - Jiaen Zhang
- Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Wushan Road, Tianhe District, Guangzhou 510642, People's Republic of China; Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, Guangzhou, 510642, People's Republic of China; Guangdong Engineering Research Center for Modern Eco-agriculture and Circular Agriculture, Guangzhou 510642, People's Republic of China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, People's Republic of China.
| | - Benliang Zhao
- Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Wushan Road, Tianhe District, Guangzhou 510642, People's Republic of China.
| | - Xuening Lu
- Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Wushan Road, Tianhe District, Guangzhou 510642, People's Republic of China.
| | - Hui Wei
- Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Wushan Road, Tianhe District, Guangzhou 510642, People's Republic of China.
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44
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Jiang Y, Wu R, Lu J, Dong W, Zhou J, Zhang W, Xin F, Jiang M. Quantitative proteomic analysis to reveal expression differences for butanol production from glycerol and glucose by Clostridium sp. strain CT7. Microb Cell Fact 2021; 20:12. [PMID: 33422075 PMCID: PMC7797090 DOI: 10.1186/s12934-021-01508-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 01/02/2021] [Indexed: 11/16/2022] Open
Abstract
Clostridium sp. strain CT7 is a new emerging microbial cell factory with high butanol production ratio owing to its non-traditional butanol fermentation mode with uncoupled acetone and 1,3-propanediol formation. Significant changes of metabolic products profile were shown in glycerol- and glucose-fed strain CT7, especially higher butanol and lower volatile fatty acids (VFAs) production occurred from glycerol-fed one. However, the mechanism of this interesting phenomenon was still unclear. To better elaborate the bacterial response towards glycerol and glucose, the quantitative proteomic analysis through iTRAQ strategy was performed to reveal the regulated proteomic expression levels under different substrates. Proteomics data showed that proteomic expression levels related with carbon metabolism and solvent generation under glycerol media were highly increased. In addition, the up-regulation of hydrogenases, ferredoxins and electron-transferring proteins may attribute to the internal redox balance, while the earlier triggered sporulation response in glycerol-fed media may be associated with the higher butanol production. This study will pave the way for metabolic engineering of other industrial microorganisms to obtain efficient butanol production from glycerol.
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Affiliation(s)
- Yujia Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, 211800, Nanjing, P. R. China
| | - Ruofan Wu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, 211800, Nanjing, P. R. China
| | - Jiasheng Lu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, 211800, Nanjing, P. R. China
| | - Weiliang Dong
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, 211800, Nanjing, P. R. China.,Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, 211800, Nanjing, P.R. China
| | - Jie Zhou
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, 211800, Nanjing, P. R. China
| | - Wenming Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, 211800, Nanjing, P. R. China.,Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, 211800, Nanjing, P.R. China
| | - Fengxue Xin
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, 211800, Nanjing, P. R. China. .,Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, 211800, Nanjing, P.R. China.
| | - Min Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, 211800, Nanjing, P. R. China. .,Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, 211800, Nanjing, P.R. China.
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45
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Sevilla M, Díez N, Fuertes AB. More Sustainable Chemical Activation Strategies for the Production of Porous Carbons. CHEMSUSCHEM 2021; 14:94-117. [PMID: 33047490 DOI: 10.1002/cssc.202001838] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/25/2020] [Indexed: 06/11/2023]
Abstract
The preparation of porous carbons attracts a great deal of attention given the importance of these materials in many emerging applications, such as hydrogen storage, CO2 capture, and energy storage in supercapacitors and batteries. In particular, porous carbons produced by applying chemical activation methods are preferred because of the high pore development achieved. However, given the environmental risks associated with conventional activating agents such as KOH, the development of greener chemical activation methodologies is an important objective. This Review summarizes recent progress in the production of porous carbons by using more sustainable strategies based on chemical activation. The use of less-corrosive chemical agents as an alternative to KOH is thoroughly reviewed. In addition, progress achieved to date by using emerging self-activation methodologies applied to organic salts and biomass products is also discussed.
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Affiliation(s)
- Marta Sevilla
- Instituto de Ciencia y Tecnología del Carbono, INCAR-CSIC, Francisco Pintado Fe, 26., 33011, Oviedo, Spain
| | - Noel Díez
- Instituto de Ciencia y Tecnología del Carbono, INCAR-CSIC, Francisco Pintado Fe, 26., 33011, Oviedo, Spain
| | - Antonio B Fuertes
- Instituto de Ciencia y Tecnología del Carbono, INCAR-CSIC, Francisco Pintado Fe, 26., 33011, Oviedo, Spain
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46
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Qu J, Wang Y, Tian X, Jiang Z, Deng F, Tao Y, Jiang Q, Wang L, Zhang Y. KOH-activated porous biochar with high specific surface area for adsorptive removal of chromium (VI) and naphthalene from water: Affecting factors, mechanisms and reusability exploration. JOURNAL OF HAZARDOUS MATERIALS 2021; 401:123292. [PMID: 32645546 DOI: 10.1016/j.jhazmat.2020.123292] [Citation(s) in RCA: 123] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 06/20/2020] [Accepted: 06/20/2020] [Indexed: 05/22/2023]
Abstract
Herein, a high-performance porous biochar described as PBCKOH was successfully synthesized by two-step pyrolysis of corn straw with chemical activation of KOH, and was employed for the elimination of Cr(VI) and naphthalene (NAP) from water. Benefiting from KOH activation, the PBCKOH was found to possess huge specific surface area of 2183.80 m2/g and many well-developed micropores with average particle size of 2.75 nm and main pore diameters distribution from 1 to 2 nm. The PBCKOH presented an excellent adsorption performance with a theoretical monolayer uptake of 116.97 mg/g for Cr(VI) and a heterogeneous adsorption capacity of 450.43 mg/g for NAP. The uptake equilibrium was attained within about 120 min for Cr(VI), while about 180 min for NAP following avrami fractional-order model, revealing the existence of multiple kinetics during the adsorption. The thermodynamic results showed that the uptake of both Cr(VI) and NAP occurred spontaneously (-ΔG°), while in an endothermic nature for Cr(VI) (+ΔH°) and an exothermic characteristic for NAP (-ΔH°) with different randomness. Furthermore, the PBCKOH was believed to enhance the Cr(VI) adsorption mainly through the combination of electrostatic attraction, complexation, ion exchange and reduction action, while achieving the high NAP uptake by pore filling and π-π stacking interactions.
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Affiliation(s)
- Jianhua Qu
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Yuxin Wang
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Xue Tian
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Zhao Jiang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Fengxia Deng
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Yue Tao
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Qun Jiang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Lei Wang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Ying Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China.
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47
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Vinoth Kumar J, Kavitha G, Arulmozhi R, Arul V, Abirami N. Cyan color-emitting nitrogen-functionalized carbon nanodots (NFCNDs) from Indigofera tinctoria and their catalytic reduction of organic dyes and fluorescent ink applications. RSC Adv 2021; 11:27745-27756. [PMID: 35480636 PMCID: PMC9037855 DOI: 10.1039/d1ra04351j] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 07/28/2021] [Indexed: 12/16/2022] Open
Abstract
The present study reports the synthesis of nitrogen-functionalized carbon nanodots (NFCNDs) by a low-cost hydrothermal method using the leaf extract of Indigofera tinctoria as a novel carbon precursor.
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Affiliation(s)
- Jothi Vinoth Kumar
- Department of Chemistry, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu-603 203, India
| | - Ganesan Kavitha
- Department of Chemistry, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu-603 203, India
| | - Rajaram Arulmozhi
- Department of Chemistry, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu-603 203, India
| | - Velusamy Arul
- Department of Science and Humanities, Sri Venkateswaraa College of Technology, Vadkkal, Sriperumbudur, Chennai-602 105, Tamil Nadu, India
| | - Natarajan Abirami
- Department of Chemistry, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu-603 203, India
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48
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Song T, Tian W, Qiao K, Zhao J, Chu M, Du Z, Wang L, Xie W. Adsorption Behaviors of Polycyclic Aromatic Hydrocarbons and Oxygen Derivatives in Wastewater on N-Doped Reduced Graphene Oxide. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117565] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Liu Z, Wang Z, Chen H, Cai T, Liu Z. Hydrochar and pyrochar for sorption of pollutants in wastewater and exhaust gas: A critical review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 268:115910. [PMID: 33227697 DOI: 10.1016/j.envpol.2020.115910] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 10/03/2020] [Accepted: 10/19/2020] [Indexed: 06/11/2023]
Abstract
Pollutants in wastewater and exhaust gas bring out serious concerns to public health and the environment. Biochar can be developed as a sustainable adsorbent originating from abundant bio-wastes, such as agricultural waste, forestry residue, food waste and human waste. Here we highlight the state-of-the-art research progress on pyrochar and hydrochar for the sorption of pollutants (heavy metal, organics, gas, etc) in wastewater and exhaust gases. The adsorption performance of pyrochar and hydrochar are compared and discussed in-depth, including preparation procedures (carbonization and activation), sorption possible mechanisms, and physiochemical properties. Challenges and perspective for designing efficient and environmental benign biochar-based adsorbents are finally addressed.
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Affiliation(s)
- Ziyun Liu
- Laboratory of Environment-Enhancing Energy (E2E), And Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture, College of Water Resources and Civil Engineering China Agricultural University, Beijing, 100083, China
| | - Zihan Wang
- Laboratory of Environment-Enhancing Energy (E2E), And Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture, College of Water Resources and Civil Engineering China Agricultural University, Beijing, 100083, China
| | - Hongxu Chen
- Laboratory of Environment-Enhancing Energy (E2E), And Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture, College of Water Resources and Civil Engineering China Agricultural University, Beijing, 100083, China
| | - Tong Cai
- Laboratory of Environment-Enhancing Energy (E2E), And Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture, College of Water Resources and Civil Engineering China Agricultural University, Beijing, 100083, China
| | - Zhidan Liu
- Laboratory of Environment-Enhancing Energy (E2E), And Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture, College of Water Resources and Civil Engineering China Agricultural University, Beijing, 100083, China.
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Zhang Y, Akindolie MS, Tian X, Wu B, Hu Q, Jiang Z, Wang L, Tao Y, Cao B, Qu J. Enhanced phosphate scavenging with effective recovery by magnetic porous biochar supported La(OH) 3: Kinetics, isotherms, mechanisms and applications for water and real wastewater. BIORESOURCE TECHNOLOGY 2021; 319:124232. [PMID: 33254456 DOI: 10.1016/j.biortech.2020.124232] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 09/28/2020] [Accepted: 10/04/2020] [Indexed: 05/28/2023]
Abstract
Herein, La(OH)3 decorated magnetic porous biochar (MPBC) was synthesized via KHCO3 activation and hydrothermal processes. The La-to-MPBC mass ratio of 3:1 described as La3-MPBC possessed a monolayer phosphate adsorption capacity of 116.08 mg/g across a pH range of 3.0-6.0 with fast attainment of adsorption equilibrium in 150 min. Moreover, the phosphate adsorption was substantially stable during the interference of various co-existing ions with over 92% of phosphate removal and 77% of desorption efficiency maintained after four recycles. And La3-MPBC was easily separated by magnet force with negligible La and Fe leakages within the pH range of 3.0-10.0. Furthermore, La3-MPBC was supported to achieve phosphate binding through the synergistic actions of electrostatic attraction, ligand exchange, inner-sphere complexation and weak precipitation. Significantly, La3-MPBC exhibited a high performance for decontaminating low-concentration phosphate to meet regulatory requirements. All these results suggested La3-MPBC to be an ideal candidate for phosphate removal in real applications.
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Affiliation(s)
- Ying Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Modupe Sarah Akindolie
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Xue Tian
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Bin Wu
- College of Environment, Hohai University, Nanjing 210098, China
| | - Qi Hu
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Zhao Jiang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Lei Wang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Yue Tao
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Bo Cao
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Jianhua Qu
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China.
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