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Zhang N, Zhang B, Wang C, Sui H, Zhang N, Wen Z, He A, Zhang R, Xue R. Magnetic CoFe hydrotalcite composite Co metal-organic framework material efficiently activating peroxymonosulfate to degrade sulfamethoxazole: Oxygen vacancy-mediated radical and non-radical pathways. J Colloid Interface Sci 2024; 671:110-123. [PMID: 38795532 DOI: 10.1016/j.jcis.2024.05.166] [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: 02/26/2024] [Revised: 05/15/2024] [Accepted: 05/22/2024] [Indexed: 05/28/2024]
Abstract
Herein, a novel rich oxygen vacancy (Ov) cobalt-iron hydrotalcite composite cobalt metal-organic framework material (ZIF-67/CoFe-LDH) was prepared by simple urea water and heat reduction approach and utilized for the peroxymonosulfate (PMS) system to remove sulfamethoxazole (SMX). 95 ± 1.32 % SMX (20 mg/L) was able to degraded in 20 min with TOC removal of 53 ± 1.56 % in ZIF-67/CoFe-LDH/PMS system. The system maintained a fantastic catalytic capability with wide pH range (3-9) and common interfering substances (Cl-, NO3-, CO32-, PO42- and humic acid (HA)), and the degradation efficiency could even remain 80.2 ± 1.48 % at the fifth cycle. Meanwhile, the applicability and feasibility of the catalysts for practical water treatment was verified by the degradation effects of SMX in different water environments and several other typical pollutants. Co and Fe bimetallic active centers synergistically activate PMS, and density functional theory (DFT) predicted adsorption energy about Ov in ZIF-67/CoFe-LDH for PMS was 1.335 eV, and OO bond length of PMS was stretched to 1.826 Å. As a result, PMS was more easily activated and broken, which accelerated the singlet oxygen (1O2), sulfate radical (SO4•-), high-valent metals and other reactive oxygen species (ROS). Radical and non-radical jointly degrading the pollutants improved the catalytic effect. Finally, SMX degradation intermediates were analyzed to explain the degradation pathway and their biotoxicity was also evaluated. This paper provides a new research perspective of oxygen vacancy activating PMS to degrade pollutants.
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Affiliation(s)
- Nianbo Zhang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), 3501 University Road, Jinan 250353, China
| | - Baoyong Zhang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Chen Wang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), 3501 University Road, Jinan 250353, China
| | - Huiying Sui
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), 3501 University Road, Jinan 250353, China
| | - Na Zhang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), 3501 University Road, Jinan 250353, China
| | - Zunqing Wen
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), 3501 University Road, Jinan 250353, China
| | - Ao He
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), 3501 University Road, Jinan 250353, China
| | - Ruiyan Zhang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), 3501 University Road, Jinan 250353, China
| | - Rong Xue
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), 3501 University Road, Jinan 250353, China.
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Li C, Yuan Q, Hao L, Xu M, Cao J, Liu W. Synergistic reduction of pollution and carbon mitigation in constructed wetlands-microbial fuel cell using sludge-derived biochar. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 939:172979. [PMID: 38705303 DOI: 10.1016/j.scitotenv.2024.172979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/08/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Integrating microbial fuel cells (MFC) into constructed wetland systems (CW) has been an efficient wastewater treatment to improve the pollutants removal and regenerate power energy. This study fabricated a sludge biochar material (SBM) to sequestrate the carbon of residual sludge. Thereafter used SBM and modified SBM as the substrate materials to construct three groups of CW-MFC for decreasing the greenhouse gas (GHG) emission. The water quality improvement in removal efficiency achieved (2.59 %, 3.10 %, 5.21 % for COD; 3.31 %, 3.60 %, 6.71 % for TN; 1.80 %, 7.38 %, 4.93 % for TP) by the application of MFC, SBM, and modified SBM in wastewater treatment, respectively. Additionally, the reduction in global warming potential (GWP) realized 17.2 %, 42.2 %, and 64.4 % resulting from these applications. The carbon flow and fate diagrams showed MFC shifted the gas phase‑carbon flow from CH4 to CO2, and SBM promoted this shift trends. Microbial diversity indicated enrichment of electrochemically active bacteria (EAB), denitrifying bacteria, and phosphate accumulating organisms (PAOs) by SBM. Metabolic pathways analysis showed that introduction of MFC and SBM exhibited significant increases of key functional genes in metabolic pathway of anaerobic oxidation of methane (AOM). This study highlights the benefit of CW-MFC in and provides a new strategy for removing pollutants and abating GHG emissions in wastewater treatment.
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Affiliation(s)
- Chao Li
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China; College of Environment, Hohai University, Nanjing 210098, China
| | - Quan Yuan
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China; College of Environment, Hohai University, Nanjing 210098, China
| | - Liangshan Hao
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China; College of Environment, Hohai University, Nanjing 210098, China
| | - Ming Xu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China; College of Environment, Hohai University, Nanjing 210098, China.
| | - Jiashun Cao
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China; College of Environment, Hohai University, Nanjing 210098, China
| | - Weijing Liu
- Jiangsu Provincial Academy of Environmental Science, Nanjing 210036, China
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Hu Y, Yang K, Lin Y, Weng X, Jiang Y, Huang J, Lv Y, Li X, Liu Y, Lin C, Liu M. Performance and mechanistic studies of rapid atenolol degradation through peroxymonosulfate activation by V, Co, and bamboo carbon catalyst. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:36761-36777. [PMID: 38753235 DOI: 10.1007/s11356-024-33657-4] [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: 01/18/2024] [Accepted: 05/07/2024] [Indexed: 06/20/2024]
Abstract
Developing the Co-based catalysts with high reactivity for the sulfate radical (SO4-·)-based advanced oxidation processes (SR-AOPs) has been attracting numerous attentions. To improve the peroxymonosulfate (PMS) activation process, a novel Co-based catalyst simultaneously modified by bamboo carbon (BC) and vanadium (V@CoO-BC) was fabricated through a simple solvothermal method. The atenolol (ATL) degradation experiments in V@CoO-BC/PMS system showed that the obtained V@CoO-BC exhibited much higher performance on PMS activation than pure CoO, and the V@CoO-BC/PMS system could fully degrade ATL within 5 min via the destruction of both radicals (SO4-· and O2-··) and non-radicals (1O2). The quenching experiments and electrochemical tests revealed that the enhancing mechanism of bamboo carbon and V modification involved four aspects: (i) promoting the PMS and Co ion adsorption on the surface of V@CoO-BC; (ii) enhancing the electron transfer efficiency between V@CoO-BC and PMS; (iii) activating PMS with V3+ species; (iv) accelerating the circulation of Co2+ and Co3+, leading to the enhanced yield of reactive oxygen species (ROS). Furthermore, the V@CoO-BC/PMS system also exhibited satisfactory stability under broad pH (3-9) and good efficiency in the presence of co-existing components (HCO3-, NO3-, Cl-, and HA) in water. This study provides new insights to designing high-performance, environment-friendly bimetal catalysts and some basis for the remediation of antibiotic contaminants with SR-AOPs.
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Affiliation(s)
- Yihui Hu
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
| | - Kai Yang
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
| | - Yule Lin
- School of Geographical Science, Fujian Normal University, Fuzhou, 350116, China
| | - Xin Weng
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
| | - Yanting Jiang
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
| | - Jian Huang
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
| | - Yuancai Lv
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China.
| | - Xiaojuan Li
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
| | - Yifan Liu
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
| | - Chunxiang Lin
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
| | - Minghua Liu
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, 350116, Fujian, China
- Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, Putian University, Putian, 351100, China
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Jin Y, Yu J, Yu J, Wu Y, Deng S, Jiang Y, Huang Z, Wu D, Zhu W. Ce/N @BC prepared based on plant metallurgy strategy: A novel activator of peroxymonosulfate for the degradation of sulfamethoxazole. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 345:123558. [PMID: 38355088 DOI: 10.1016/j.envpol.2024.123558] [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: 01/07/2024] [Revised: 02/05/2024] [Accepted: 02/10/2024] [Indexed: 02/16/2024]
Abstract
A novel carbon catalyst was created based on plant metallurgy strategy for organic pollutants removal. Plants rich in CeO2 NPs in water were used as carbon precursors and pyrolyzed with urea to obtain Ce/N co-doped carbon catalysts, which were used in the degradation of sulfamethoxazole (SMX) by active peroxymonosulfate (PMS). The results showed that the Ce/N @BC/PMS system achieved to 94.5% degradation of SMX in 40 min at a rate constant of 0.0602 cm-1. The activation center of PMS is widely dispersed Ce oxide nanocrystals, and CeO2 NPs promote the formation of oxygen centered PFR with enhanced catalytic ability and longer half-life. In addition, N-doping facilitates the transfer of π-electrons within the sp2 carbon of biochar, increasing active sites and thus improving PMS activation efficiency. The degradation process was contributed to by both radical and non-radical activation mechanisms including 1O2 and direct electron transfer, with O2•- serving as 1O2's precursor. Through the DFT calculations, LC-MS and toxicological analyses, the degradation pathway of pollutants and the toxicity changes throughout the entire degradation process were further revealed, indicating that the degradation of SMX could effectively reduce ecological toxicity.
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Affiliation(s)
- Yuanxiao Jin
- Department of Environmental Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, PR China; Yibin Institute of Industrial Technology, Sichuan University, Yibin, 644000, PR China
| | - Jiang Yu
- Department of Environmental Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, PR China; Institute of New Energy and Low Carbon Technology, Sichuan University, Chengdu, 610065, PR China; Yibin Institute of Industrial Technology, Sichuan University, Yibin, 644000, PR China.
| | - Jie Yu
- Department of Environmental Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, PR China; Institute of New Energy and Low Carbon Technology, Sichuan University, Chengdu, 610065, PR China
| | - Yuerong Wu
- Department of Environmental Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, PR China; Yibin Institute of Industrial Technology, Sichuan University, Yibin, 644000, PR China
| | - Siwei Deng
- Department of Environmental Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, PR China; Soil and Groundwater Pollution Prevention Research Institute, Sichuan Academy of Eco-Environmental Sciences, 610046, Chengdu, PR China
| | - Yinying Jiang
- Department of Environmental Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, PR China; Yibin Institute of Industrial Technology, Sichuan University, Yibin, 644000, PR China
| | - Zhi Huang
- Department of Environmental Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, PR China; Yibin Institute of Industrial Technology, Sichuan University, Yibin, 644000, PR China
| | - Donghai Wu
- School of Life Sciences, Chongqing University, Chongqing, 400044, PR China
| | - Weiwei Zhu
- Department of Environmental Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, PR China
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He X, Luo Y, Yi Y, Su S, Qin W. Peroxymonosulfate activation by Fe-Mn Co-doped biochar for carbamazepine degradation. RSC Adv 2024; 14:1141-1149. [PMID: 38174246 PMCID: PMC10760410 DOI: 10.1039/d3ra06065a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024] Open
Abstract
Antibiotics in aquatic environments present a serious threat to the ecological environment and human health. Activation of carbon-catalyzed persulfate is a prospective approach for oxidizing antibiotics. There is a pressing need for inexpensive carbon catalysts of high quality. In this study, biochar (BC) modified by Fe, Mn and Fe@Mn was employed to activate peroxymonosulfate (PMS) to degrade carbamazepine (CBZ) in water. The surface of Fe@Mn BC had a dense, stalactite-like morphology comprising a square chassis that was elliptical. The catalyst Fe@Mn-BC possessed the optimal degradation effect (99%) on CBZ at 100 min. Electron paramagnetic resonance spectroscopy and the quenching spectrum suggested that ˙O2- and 1O2 contributed to CBZ degradation.
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Affiliation(s)
- Xinze He
- School of Environmental and Chemical Engineering College, Nanchang Hangkong University Nanchang 330000 China
| | - Yunxia Luo
- School of Environmental and Chemical Engineering College, Nanchang Hangkong University Nanchang 330000 China
| | - Yang Yi
- School of Environmental and Chemical Engineering College, Nanchang Hangkong University Nanchang 330000 China
| | - Shuping Su
- School of Environmental and Chemical Engineering College, Nanchang Hangkong University Nanchang 330000 China
- Children's Hospital of Chongqing Medical University Chongqing 401122 China
| | - Wenzhen Qin
- School of Environmental and Chemical Engineering College, Nanchang Hangkong University Nanchang 330000 China
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