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Tang L, Chen W, Sheng J, Guo S, Wang X, Jiang H. 3D magnetic flower-spherical Fe 2O 3-NiO derived from NiFe-layered double hydroxides for the efficient removal of Bensulfuron methyl: Morphological control and bimetallic synergy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174456. [PMID: 38964383 DOI: 10.1016/j.scitotenv.2024.174456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/10/2024] [Accepted: 07/01/2024] [Indexed: 07/06/2024]
Abstract
Three-dimensional (3D) magnetic flower-spherical Fe2O3-NiO derived from NiFe-layered double hydroxides (NiFe-LDHs) was fabricated through urea hydrothermal and calcination methods. The as-prepared materials were applied to activate PMS to degrade one of herbicide named Bensulfuron methyl (BSM). Fe2O3-NiO-1 demonstrated the highest catalytic activity and the lowest ions leaching by comparing the performance of LDHs and derivative bimetallic oxide synthesized by co-precipitation method, urea hydrothermal method and direct calcination method. Based on the results of SEM, BET and CV, the high catalytic activity of Fe2O3-NiO-1 originated from 3D morphology, lager specific area and pore size and faster electron transfer capability. The factors influencing the degradation performance were investigated and 0.1 g·L-1 Fe2O3-NiO could effectively activate PMS (1 mmol·L-1) to completely remove 10 mg·L-1 BSM within 30 min at pH 7.0. In Fe2O3-NiO/PMS system, OH, SO4- and 1O2 were produced and contributed to the BSM removal according to the results of EPR and quenching experiments. In order to expand its application range, Fe2O3-NiO/PMS system was used to degrade aniline (AN), sulfamethoxazole (SMZ), phenacetin (PNT), bisphenol A (BPA) and 2,4,6-triclofen (2,4,6-TCP) and the results showed the degradation efficiency could reach 90 % or more. Additionally, the application of catalysts in different actual water samples and the ability of reuse were tested. Based on the strategies of bimetallic synergy and morphology control, Fe-based bimetallic oxides with 3D morphology were developed in this study, which could effectively enhance the catalytic activity and inhibit the dissolution of metal ions, providing the design ideas for the construction of efficient catalysts and the removal of complex organic pollutants.
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Affiliation(s)
- Lu Tang
- College of Science, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Wei Chen
- College of Science, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Jialing Sheng
- College of Science, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Shuke Guo
- College of Science, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Xiaoyu Wang
- College of Science, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China
| | - Hongmei Jiang
- College of Science, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, China.
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Lin X, Hu J, Mo Z, Wang Z, Wang R, Liang J. pH-dependent mechanisms of sulfadiazine degradation by natural pyrite-driven heterogeneous Fenton-like reactions. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 365:121607. [PMID: 38941847 DOI: 10.1016/j.jenvman.2024.121607] [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: 02/14/2024] [Revised: 06/08/2024] [Accepted: 06/23/2024] [Indexed: 06/30/2024]
Abstract
The development of a natural pyrite/peroxymonosulfate (PMS) system for the removal of antibiotic contamination from water represented an economic and green sustainable strategy. Yet, a noteworthy knowledge gap remained considering the underlying reaction mechanism of the system, particularly in relation to its pH sensitivity. Herein, this paper investigated the impacts of critical reaction parameters and initial pH levels on the degradation of sulfadiazine (SDZ, 3 mg/L) in the pyrite/PMS system, and elucidated the pH dependence of the reaction mechanism. Results showed that under optimal conditions, SDZ could be completely degraded within 5 min at a broad pH range of 3.0-9.0, with a pseudo-first-order reaction rate of >1.0 min-1. The low or high PMS doses could lower degradation rates of SDZ through the decreased levels of active species, while the amount of pyrite was positively correlated with the removal rate of SDZ. The diminutive concentrations of anions exerted minor impacts on the decomposition of SDZ within the pyrite PMS system. Mechanistic results demonstrated that the augmentation of pH levels facilitated the transition from the non-radical to the radical pathway within the natural pyrite/PMS system, while concurrently amplifying the role of •OH in the degradation process of SDZ. This could be attributed to the change in interface electrostatic repulsion induced by pH fluctuations, as well as the mutual transformation between active species. The stable presence of the relative content of Fe(II) in the used pyrite was ensured owing to the reduced sulfur species acting as electron donors, providing the pyrite/PMS system excellent reusability. This paper sheds light on the mechanism regulation of efficient removal of organic pollutants through pyrite PMS systems, contributing to practical application.
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Affiliation(s)
- Xiaoxuan Lin
- Guangdong Food and Drug Vocational College, Guangzhou, 510520, China; College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China
| | - Jinwen Hu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zhihua Mo
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, China
| | - Zhen Wang
- Guangdong Food and Drug Vocational College, Guangzhou, 510520, China
| | - Ruyi Wang
- Guangdong Food and Drug Vocational College, Guangzhou, 510520, China
| | - Jialin Liang
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China.
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Ma H, Feng G, Zhang X, Song C, Xu R, Shi Y, Wang P, Xu Z, Wang G, Fan X, Pan Z. New insights into Co 3O 4-carbon nanotube membrane for enhanced water purification: Regulated peroxymonosulfate activation mechanism via nanoconfinement. CHEMOSPHERE 2024; 347:140698. [PMID: 37967680 DOI: 10.1016/j.chemosphere.2023.140698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 10/05/2023] [Accepted: 11/10/2023] [Indexed: 11/17/2023]
Abstract
Co-based peroxymonosulfate (PMS) activation system with fascinating catalytic performance has become a promising technology for water purification, but it always suffers from insufficient mass transfer, less exposed active sites and toxic metal leaching. In this work, a carbon nanotube membrane confining Co3O4 inside (Co3O4-in-CNT) was prepared and was coupled with PMS activation (catalytic membrane process) for sulfamethoxazole (SMX) removal. Compared with counterpart with surface-loaded Co3O4 (Co3O4-out-CNT), the Co3O4-in-CNT catalytic membrane process exhibited enhanced SMX removal (99.5% vs. 89.1%) within residence time of 2.89 s, reduced Co leaching (20 vs. 147 μg L-1) and more interestingly, the nonradical-to-radical mechanism transformation (from 1O2 and electron transfer to SO4•- and •OH). These phenomena were ascribed to the nanoconfinement effect in CNT, which enhanced mass transfer (2.80 × 10-4 vs. 5.98 × 10-5 m s-1), accelerated Co3+/Co2+ cycling (73.4% vs. 65.0%) and showed higher adsorption energy for PMS (cleavage of O-O bond). Finally, based on the generated abundant reactive oxygen species (ROS), the seven degradation pathways of SMX were formed in system.
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Affiliation(s)
- Huanran Ma
- College of Environmental Science and Engineering, Dalian Maritime University, 1 Linghai Road, Dalian, 116026, China
| | - Guoqing Feng
- College of Environmental Science and Engineering, Dalian Maritime University, 1 Linghai Road, Dalian, 116026, China
| | - Xiao Zhang
- College of Environmental Science and Engineering, Dalian Maritime University, 1 Linghai Road, Dalian, 116026, China
| | - Chengwen Song
- College of Environmental Science and Engineering, Dalian Maritime University, 1 Linghai Road, Dalian, 116026, China.
| | - Ruisong Xu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, 2 Linggong Road, Dalian, 116024, China
| | - Yawei Shi
- College of Environmental Science and Engineering, Dalian Maritime University, 1 Linghai Road, Dalian, 116026, China
| | - Pengcheng Wang
- Department of Mechanical Engineering, University of Houston, Houston, TX, 77204, USA
| | - Zhouhang Xu
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, 116034, China
| | - Guanlong Wang
- School of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, 116034, China.
| | - Xinfei Fan
- College of Environmental Science and Engineering, Dalian Maritime University, 1 Linghai Road, Dalian, 116026, China
| | - Zonglin Pan
- College of Environmental Science and Engineering, Dalian Maritime University, 1 Linghai Road, Dalian, 116026, China.
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Chen K, Tang Q, Dong C, Zhang G, Zhao J, Chen Y, Xiao P. Carbon nanotube supported cobalt nickel sulphide nano-catalyst for degradation of chloroquine phosphate with peroxymonosulphate. ENVIRONMENTAL TECHNOLOGY 2023:1-18. [PMID: 38158762 DOI: 10.1080/09593330.2023.2295829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/08/2023] [Indexed: 01/03/2024]
Abstract
Carbon nanotubes supported cobalt nickel sulphide nanoparticles (nano-NiCo2S4@CNTs) were successfully prepared by a hydrothermal method as heterogeneous catalyst which can be used as an activator of peroxymonosulphate (PMS) for the degradation of chloroquine phosphate (CQP). Based on characterisation techniques, the prepared catalyst has excellent surface properties and structural stability. When different concentrations of CQP were treated with 0.2 g/L nano-NiCo2S4@CNTs and 1.0 mM PMS, the highest degradation rate could reach 99.86% after 30 min. Under the interference of pH, common anions and humic acid in the water environment, the reaction system can still achieve high degradation efficiency, showing excellent anti-interference ability and practical applicability. Furthermore, in the nano-NiCo2S4@CNTs/PMS system, according to the identification results of reactive oxygen species, the free radical and non-free radical pathway are responsible for the degradation of CQP, and the PMS mechanism activation was comprehensively proposed. Twelve intermediate products were detected in the degradation process, and the possible degradation pathways of CQP were proposed. This toxicity analysis demonstrates that the intermediate products formed during CQP degradation pose lower environmental risks compared to the original pollutant. In addition, after using the catalyst four cycles, the removal efficiency of CQP remains above 80%, indicating the excellent reusability and low metal ion leaching characteristics. Therefore, the nano-NiCo2S4@CNTs synthesised in this research has broad application prospects in activating PMS for wastewater treatment.
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Affiliation(s)
- Keke Chen
- College of Forestry, Northeast Forestry University, Harbin, People's Republic of China
| | - Qinyuan Tang
- College of Forestry, Northeast Forestry University, Harbin, People's Republic of China
| | - Chunlin Dong
- College of Forestry, Northeast Forestry University, Harbin, People's Republic of China
| | - Guosheng Zhang
- College of Forestry, Northeast Forestry University, Harbin, People's Republic of China
| | - Jing Zhao
- College of Forestry, Northeast Forestry University, Harbin, People's Republic of China
| | - Yan Chen
- College of Forestry, Northeast Forestry University, Harbin, People's Republic of China
| | - Pengfei Xiao
- College of Forestry, Northeast Forestry University, Harbin, People's Republic of China
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Li X, Wang Q, Zheng X, Wang L, Zhang W, Song W, Li Y, Pan W, Zhao T, Yan L. (NH 4) 2Mo 3S 13/MnFe 2O 4 hybrid with multiple active sites boosted activation of peroxymonosulfate for removal of tetracycline. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:67485-67498. [PMID: 37115452 DOI: 10.1007/s11356-023-26967-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 04/08/2023] [Indexed: 05/25/2023]
Abstract
Advanced oxidation processes (AOPs) based on peroxymonosulfate (PMS) activation have attracted much attention in wastewater treatment. Here, a series of (NH4)2Mo3S13/MnFe2O4 (MSMF) composites were prepared and used as PMS activators to remove tetracycline (TC) for the first time. When the mass ratio of (NH4)2Mo3S13 to MnFe2O4 was 4.0 (MSMF4.0), the composite showed remarkable catalytic efficiency for activating PMS to remove TC. Over 93% of TC was removed in MSMF4.0/PMS system in 20 min. The aqueous •OH as well as the surface SO4•- and •OH were the primary reactive species for TC degradation in MSMF4.0/PMS system, and the comprehensive experimental results excluded the contributions of aqueous SO4•-, O2•-, and 1O2, high-valent metal-oxo species, and surface-bound PMS. The Mn(II)/Mn(III), Fe(II)/Fe(III), Mo(IV)/Mo(VI), and S2-/SOx2- all contributed to the catalytic process. MSMF4.0 also showed excellent activity and stability after five cycles and significant degradation efficiency for a variety of pollutants. This work will provide theoretical basis for applying MnFe2O4-based composites in PMS-based AOPs.
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Affiliation(s)
- Xuguang Li
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Qiaodi Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Xiaoyu Zheng
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Le Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Wei Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Wen Song
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Yanfei Li
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Weiyan Pan
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Tianyang Zhao
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China
| | - Liangguo Yan
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, People's Republic of China.
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Liu Z, Ren X, Duan X, Sarmah AK, Zhao X. Remediation of environmentally persistent organic pollutants (POPs) by persulfates oxidation system (PS): A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 863:160818. [PMID: 36502984 DOI: 10.1016/j.scitotenv.2022.160818] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 11/17/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Over the past few years, persistent organic pollutants (POPs) exhibiting high ecotoxicity have been widely detected in the environment. Persulfate-oxidation hybrid system is one of the most widely used novel advanced oxidation techniques and is based on the persulfate generation of SO4-∙ and ∙OH from persulfate to degrade POPs. The overarching aim of this work is to provide a critical review of the variety of methods of peroxide activation (e.g., light activated persulfate, heat-activated persulfate, ultrasound-activated persulfate, electrochemically-activated persulfate, base-activated persulfate, transition metal activated persulfate, as well as Carbon based material activated persulfate). Specifically, through this article we make an attempt to provide the important characteristics and uses of main activated PS methods, as well as the prevailing mechanisms of activated PS to degrade organic pollutants in water. Finally, the advantages and disadvantages of each activation method are analyzed. This work clearly illustrates the benefits of different persulfate activation technologies, and explores persulfate activation in terms of Sustainable Development Goals, technical feasibility, toxicity assessment, and economics to facilitate the large-scale application of persulfate technologies. It also discusses how to choose the most suitable activation method to degrade different types of POPs, filling the research gap in this area and providing better guidance for future research and engineering applications of persulfates.
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Affiliation(s)
- Zhibo Liu
- College of Environmental Science and Engineering, Jilin Normal University, Haifeng Street, Tiexi Dist, Siping 136000, China
| | - Xin Ren
- College of Environmental Science and Engineering, Jilin Normal University, Haifeng Street, Tiexi Dist, Siping 136000, China; Key Laboratory of Environmental Materials and Pollution Control, Education Department of Jilin Province, Siping 136000, China
| | - Xiaoyue Duan
- College of Environmental Science and Engineering, Jilin Normal University, Haifeng Street, Tiexi Dist, Siping 136000, China
| | - Ajit K Sarmah
- The Department of Civil & Environmental Engineering, Faculty of Engineering, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand.
| | - Xuesong Zhao
- College of Environmental Science and Engineering, Jilin Normal University, Haifeng Street, Tiexi Dist, Siping 136000, China; Key Laboratory of Environmental Materials and Pollution Control, Education Department of Jilin Province, Siping 136000, China.
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