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Ke Y, Zhang X, Ren Y, Zhu X, Si S, Kou B, Zhang Z, Wang J, Shen B. Remediation of polycyclic aromatic hydrocarbons polluted soil by biochar loaded humic acid activating persulfate: performance, process and mechanisms. BIORESOURCE TECHNOLOGY 2024; 399:130633. [PMID: 38552862 DOI: 10.1016/j.biortech.2024.130633] [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] [Revised: 03/03/2024] [Accepted: 03/22/2024] [Indexed: 04/12/2024]
Abstract
The remediation for polycyclic aromatic hydrocarbons contaminated soil with cost-effective method has received significant public concern, a composite material, therefore, been fabricated by loading humic acid into biochar in this study to activate persulfate for naphthalene, pyrene and benzo(a)pyrene remediation. Experimental results proved the hypothesis that biochar loaded humic acid combined both advantages of individual materials in polycyclic aromatic hydrocarbons adsorption and persulfate activation, achieved synergistic performance in naphthalene, pyrene and benzo(a)pyrene removal from aqueous solution with efficiency reached at 98.2%, 99.3% and 90.1%, respectively. In addition, degradation played a crucial role in polycyclic aromatic hydrocarbons remediation, converting polycyclic aromatic hydrocarbons into less toxic intermediates through radicals of ·SO4-, ·OH, ·O2-, and 1O2 generated from persulfate activation process. Despite pH fluctuation and interfering ions inhibited remediation efficiency in some extent, the excellent performances of composite material in two field soil samples (76.7% and 91.9%) highlighted its potential in large-scale remediation.
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Affiliation(s)
- Yuxin Ke
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China; Shaanxi Key Laboratory of Earth Surface System and Environment Carrying Capacity, Xi'an 710127, China
| | - Xing Zhang
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China; Shaanxi Key Laboratory of Earth Surface System and Environment Carrying Capacity, Xi'an 710127, China
| | - Yuhang Ren
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China; Shaanxi Key Laboratory of Earth Surface System and Environment Carrying Capacity, Xi'an 710127, China
| | - Xiaoli Zhu
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China; Shaanxi Key Laboratory of Earth Surface System and Environment Carrying Capacity, Xi'an 710127, China.
| | - Shaocheng Si
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China; Shaanxi Key Laboratory of Earth Surface System and Environment Carrying Capacity, Xi'an 710127, China
| | - Bing Kou
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China; Shaanxi Key Laboratory of Earth Surface System and Environment Carrying Capacity, Xi'an 710127, China
| | - Ziye Zhang
- Xi'an Jinborui Ecological Tech. Co., Ltd., Xi'an 710065, China
| | - Junqiang Wang
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China; Shaanxi Key Laboratory of Earth Surface System and Environment Carrying Capacity, Xi'an 710127, China; Xi'an Jinborui Ecological Tech. Co., Ltd., Xi'an 710065, China
| | - Baoshou Shen
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China; Shaanxi Key Laboratory of Earth Surface System and Environment Carrying Capacity, Xi'an 710127, China
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Tong Z, Wang H, An W, Li G, Cui W, Hu J. FeCu bimetallic metal organic frameworks photo-Fenton synergy efficiently degrades organic pollutants: Structure, properties, and mechanism insight. J Colloid Interface Sci 2024; 661:1011-1024. [PMID: 38335786 DOI: 10.1016/j.jcis.2024.01.212] [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: 10/28/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
The high ion leaching, low photogenerated charge separation efficiency, and slow metal valence cycling of Fe-based metal organic frameworks (MOFs) have limited their application in the deep treatment of organic pollutants. Herein, FeCu bimetallic MOFs (FeCuBDC) were synthesized using a modified solvothermal method, and a coupled photo-Fenton degradation system was successfully constructed. Degradation performance tests showed that FeCuBDC could efficiently degrade 99.3% ± 0.1% of 50 mg/L phenol within 40 min. The reaction rate constants of the photo-Fenton system were 11.0 and 64.7 times higher than those of the single Fenton reaction and photocatalysis, respectively. FeCuBDC also exhibits good cycling stability, degradation generalization, and excellent photoelectric catalytic properties. Such a considerable enhancement in the overall performance pertains to the following. First, the introduction of Cu into Fe-MOFs not only improves the crystallinity and stability, but also reduces the band gap value, increases the absorption capacity of visible light, and promotes the generation of photogenerated carriers. Second, the FeCu in MOFs are all mixed valence. Initially, the high-valence FeCu captures photogenerated electrons and promotes photogenerated charge separation and transfer. Then, the low-valence FeCu adsorbs and decomposes H2O2, accelerating the valence cycling of the bimetallic sites. The core of the reaction mechanism is that FeCuBDC effectively promotes the photo-Fenton synergy.
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Affiliation(s)
- Zhenhao Tong
- College of Chemical Engineering, Hebei Key Laboratory for Environment Photocatalytic and Electrocatalytic Materials, North China University of Science and Technology, Tangshan 063210, PR China
| | - Huan Wang
- College of Chemical Engineering, Hebei Key Laboratory for Environment Photocatalytic and Electrocatalytic Materials, North China University of Science and Technology, Tangshan 063210, PR China
| | - Weijia An
- College of Chemical Engineering, Hebei Key Laboratory for Environment Photocatalytic and Electrocatalytic Materials, North China University of Science and Technology, Tangshan 063210, PR China
| | - Guangyue Li
- College of Chemical Engineering, Hebei Key Laboratory for Environment Photocatalytic and Electrocatalytic Materials, North China University of Science and Technology, Tangshan 063210, PR China.
| | - Wenquan Cui
- College of Chemical Engineering, Hebei Key Laboratory for Environment Photocatalytic and Electrocatalytic Materials, North China University of Science and Technology, Tangshan 063210, PR China
| | - Jinshan Hu
- College of Chemical Engineering, Hebei Key Laboratory for Environment Photocatalytic and Electrocatalytic Materials, North China University of Science and Technology, Tangshan 063210, PR China.
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Li Y, Jin X, Qi B. Activation of peroxydisulfate via BiCoFe-layered double hydroxide for effective degradation of aniline. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:23979-23994. [PMID: 38436846 DOI: 10.1007/s11356-024-32735-x] [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: 10/27/2023] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
The sulfate radical-based advanced oxidation processes (SR-AOPs) is a promising method for the degradation of pollutants, with the development of highly efficient catalysts for persulfate activation has been widely concerned. The novel BiCoFe-LDH (BCF-x) was synthesized successfully by coprecipitation method, which can activate peroxydisulfate (PDS) efficiently to degrade aniline. Comparative analysis with pure CoFe-LDH revealed a remarkable increase in reaction rate constant by approximately 14.66 times; the degradation rate of aniline (10 mg/L) was 100% in 60 min with the condition of 0.5 g/L BCF-1.5 and 0.5 g/L PDS, due to BCF-1.5 which was characterized as a complex of CoFe-LDH and Bi2O2CO3, promoting electron transport to improve the efficiency of activated PDS. In the reaction system, SO4•-, ·OH, and 1O2 were responsible for the aniline degradation and ·OH was the primary one. Furthermore, this work proposes a reaction electron transfer catalytic mechanism, which provided a new insight and good application prospect for efficient activation of PDS for pollutant degradation.
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Affiliation(s)
- Yutong Li
- College of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Xinglong Jin
- College of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, 300384, China.
| | - Buying Qi
- College of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin, 300384, China
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Huang R, Feng T, Wu S, Zhang X, Fan Z, Yu Q, Chen Y, Chen T. In-situ synthesis of magnetic iron-chitosan-derived biochar as an efficient persulfate activator for phenol degradation. ENVIRONMENTAL RESEARCH 2023; 234:116604. [PMID: 37433379 DOI: 10.1016/j.envres.2023.116604] [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: 06/04/2023] [Revised: 07/04/2023] [Accepted: 07/08/2023] [Indexed: 07/13/2023]
Abstract
Persulfate activation is a forceful method for eliminating organic pollutants from coal chemical wastewater. In this study, an in-situ synthesis method was used to fabricate an iron-chitosan-derived biochar (Fe-CS@BC) nanocomposite catalyst using chitosan as a template. Fe was successfully imprinted into the newly synthesized catalyst. The Fe-CS@BC can activate persulfate to effectively degrade phenol. This point was confirmed by scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The impact of various parameters on the removal rate was investigated in a single factor experiment. In Fe-CS@BC/PDS system, 95.96% of phenol (significantly higher than the original biochar of 34.33%) was removed within 45 min and 54.39% TOC within 2 h. The system showed superior efficiency over a broad pH value band from 3 to 9 and has a high degradation rate at ambient temperature. Free radical quenching experiment, EPR experiment and LSV experiment confirmed that multiple free radicals (including 1O2, SO4•-, O2•- and •OH) and electron transfer pathway combined to enhance phenol decomposition. Finally, the activation mechanism of persulfate by Fe-CS@BC was proposed to provide logical guidance on the treatment of organic pollutants in coal chemical wastewater.
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Affiliation(s)
- Ranran Huang
- College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Tao Feng
- College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China; Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources. Wuhan University of Science and Technology, Wuhan, 430081, China.
| | - Si Wu
- College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China; Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources. Wuhan University of Science and Technology, Wuhan, 430081, China.
| | - Xinyue Zhang
- College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Zhixuan Fan
- College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Qinghong Yu
- College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Yinyu Chen
- College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Tingpeng Chen
- College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
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Yang Y, Kang Z, Wang J, Xu G, Yu Y. Enhanced removal efficiency of bensulfuron-methyl by a novel boron doping biochar-based Acinetobacter YH0317 at a lower temperature. BIORESOURCE TECHNOLOGY 2023; 386:129570. [PMID: 37506925 DOI: 10.1016/j.biortech.2023.129570] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/17/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
Biochar-based bacteria are regarded as an efficient strategy for remediating organic pollutants in aquatic environments. Herein, a strain named Acinetobacter YH0317 that could degrade bensulfuron-methyl (BSM) at a lower temperature (15 °C) was isolated from a paddy rice field with long-term BSM application. Then Acinetobacter YH0317 was loaded on unmodified biochar (BC) and boron doping biochar (BBC). Results showed that BBC-based YH0317 significantly enhanced the removal efficiency of BSM (71.8-99.1%) compared with BC-based YH0317 (41.9-44.0%) and YH0317 alone (18.1-20.7%) in 24 h. BBC promoted the growth of YH0317 and secretion of extracellular secretions by providing a carrier and shelter for YH0317. The electrochemical analysis suggested BBC improved the electron transfer rate, which ultimately facilitated the removal of BSM. Hydroponic experiments indicated that BBC-based YH0317 effectively improved the growth of soybean. This work reports a novel BBC-based Acinetobacter YH0317 that could effectively remediate BSM contamination in the water environment.
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Affiliation(s)
- Yang Yang
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhichao Kang
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian Wang
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
| | - Guanghui Xu
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
| | - Yong Yu
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China.
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