S-Fe/Co@GC reduction-oxidation sequential reaction system for the high-efficiency mineralization of tetrabromobisphenol a in water

The lipophilic, bioaccumulative, persistent nature of Tetrabromobisphenol A (TBBPA) contributes to its widespread detection in various environmental media, posing significant negative implications for the living environment and human health. In this study, a reduction system and a reduction-oxidatio...

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Veröffentlicht in:Environmental research 2024-12, Vol.263 (Pt 2), p.120186, Article 120186
Hauptverfasser: Li, Chunyang, Tan, Jiajia, Wang, Wenbing, Xiang, Minghui, Li, Hui
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container_issue Pt 2
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container_title Environmental research
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creator Li, Chunyang
Tan, Jiajia
Wang, Wenbing
Xiang, Minghui
Li, Hui
description The lipophilic, bioaccumulative, persistent nature of Tetrabromobisphenol A (TBBPA) contributes to its widespread detection in various environmental media, posing significant negative implications for the living environment and human health. In this study, a reduction system and a reduction-oxidation sequential reaction system were developed using a magnetic core-shell bimetallic amendment (S-Fe/Co@GC) to investigate the degradation and mineralization properties of TBBPA. Additionally, the degradation mechanism and degradation pathway of TBBPA in various systems were analyzed. In the sole S-Fe/Co@GC reduction system, sulfurized nano-zero-valent iron (S-Fe) and Co0 exhibited remarkable reductive capabilities towards TBBPA. The reaction of S-Fe/Co@GC gradually facilitated the debromination of TBBPA, ultimately leading to its conversion into bisphenol A. The reaction process demonstrated the synergistic effect among S-Fe, Co0, and graphite carbon, leading to a remarkable enhancement in the reduction performance of the material. Consequently, TBBPA removal efficiency reached 97.5% within a time frame of 10 h. In the reduction-oxidation sequential reaction system, the debromination of TBBPA during the reduction stage enhanced the subsequent oxidation stage's total organic carbon (TOC) removal rate. During the oxidation stage (0.03 mmol of PMS added at 30 min), TBBPA underwent attack by sulfate radical (SO4·-), hydroxyl radical (·OH), superoxide radical (O2·-), and singlet oxygen (1O2), leading to cleavage and opening of its structure. This process resulted in the conversion of TBBPA into short-chain fatty acids, ultimately mineralizing it into CO2 and H2O. Thus, this degradation pathway mitigated potential environmental risk associated with intermediates. The final TOC removal rate significantly increased to 72.7% when the dose of composite material was set at 1.0 g/L, surpassing that achieved by the conventional advanced oxidation system. Hence, the S-Fe/Co@GC reduction-oxidation sequential reaction system provides a new strategy for treating high-concentration TBBPA-contaminated water. [Display omitted] •The degradation efficiency of the reduction system for TBBPA was optimized.•S-Fe and Co0 were the major contributors to TBBPA degradation in the S-Fe/Co@GC reduction system.•The reduction-oxidation reaction system significantly enhanced TBBPA mineralization.•Multiple pathways of TBBPA debromination and ring opening were revealed.
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In this study, a reduction system and a reduction-oxidation sequential reaction system were developed using a magnetic core-shell bimetallic amendment (S-Fe/Co@GC) to investigate the degradation and mineralization properties of TBBPA. Additionally, the degradation mechanism and degradation pathway of TBBPA in various systems were analyzed. In the sole S-Fe/Co@GC reduction system, sulfurized nano-zero-valent iron (S-Fe) and Co0 exhibited remarkable reductive capabilities towards TBBPA. The reaction of S-Fe/Co@GC gradually facilitated the debromination of TBBPA, ultimately leading to its conversion into bisphenol A. The reaction process demonstrated the synergistic effect among S-Fe, Co0, and graphite carbon, leading to a remarkable enhancement in the reduction performance of the material. Consequently, TBBPA removal efficiency reached 97.5% within a time frame of 10 h. In the reduction-oxidation sequential reaction system, the debromination of TBBPA during the reduction stage enhanced the subsequent oxidation stage's total organic carbon (TOC) removal rate. During the oxidation stage (0.03 mmol of PMS added at 30 min), TBBPA underwent attack by sulfate radical (SO4·-), hydroxyl radical (·OH), superoxide radical (O2·-), and singlet oxygen (1O2), leading to cleavage and opening of its structure. This process resulted in the conversion of TBBPA into short-chain fatty acids, ultimately mineralizing it into CO2 and H2O. Thus, this degradation pathway mitigated potential environmental risk associated with intermediates. The final TOC removal rate significantly increased to 72.7% when the dose of composite material was set at 1.0 g/L, surpassing that achieved by the conventional advanced oxidation system. Hence, the S-Fe/Co@GC reduction-oxidation sequential reaction system provides a new strategy for treating high-concentration TBBPA-contaminated water. [Display omitted] •The degradation efficiency of the reduction system for TBBPA was optimized.•S-Fe and Co0 were the major contributors to TBBPA degradation in the S-Fe/Co@GC reduction system.•The reduction-oxidation reaction system significantly enhanced TBBPA mineralization.•Multiple pathways of TBBPA debromination and ring opening were revealed.</description><identifier>ISSN: 0013-9351</identifier><identifier>ISSN: 1096-0953</identifier><identifier>EISSN: 1096-0953</identifier><identifier>DOI: 10.1016/j.envres.2024.120186</identifier><identifier>PMID: 39427940</identifier><language>eng</language><publisher>Netherlands: Elsevier Inc</publisher><subject>Bimetallic amendment ; Cobalt - chemistry ; Degradation pathway ; Iron - chemistry ; Mineralization ; Oxidation-Reduction ; Polybrominated Biphenyls - chemistry ; Reduction-oxidation ; TBBPA ; Water Pollutants, Chemical - analysis ; Water Pollutants, Chemical - chemistry</subject><ispartof>Environmental research, 2024-12, Vol.263 (Pt 2), p.120186, Article 120186</ispartof><rights>2024 Elsevier Inc.</rights><rights>Copyright © 2024 Elsevier Inc. 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In this study, a reduction system and a reduction-oxidation sequential reaction system were developed using a magnetic core-shell bimetallic amendment (S-Fe/Co@GC) to investigate the degradation and mineralization properties of TBBPA. Additionally, the degradation mechanism and degradation pathway of TBBPA in various systems were analyzed. In the sole S-Fe/Co@GC reduction system, sulfurized nano-zero-valent iron (S-Fe) and Co0 exhibited remarkable reductive capabilities towards TBBPA. The reaction of S-Fe/Co@GC gradually facilitated the debromination of TBBPA, ultimately leading to its conversion into bisphenol A. The reaction process demonstrated the synergistic effect among S-Fe, Co0, and graphite carbon, leading to a remarkable enhancement in the reduction performance of the material. Consequently, TBBPA removal efficiency reached 97.5% within a time frame of 10 h. In the reduction-oxidation sequential reaction system, the debromination of TBBPA during the reduction stage enhanced the subsequent oxidation stage's total organic carbon (TOC) removal rate. During the oxidation stage (0.03 mmol of PMS added at 30 min), TBBPA underwent attack by sulfate radical (SO4·-), hydroxyl radical (·OH), superoxide radical (O2·-), and singlet oxygen (1O2), leading to cleavage and opening of its structure. This process resulted in the conversion of TBBPA into short-chain fatty acids, ultimately mineralizing it into CO2 and H2O. Thus, this degradation pathway mitigated potential environmental risk associated with intermediates. The final TOC removal rate significantly increased to 72.7% when the dose of composite material was set at 1.0 g/L, surpassing that achieved by the conventional advanced oxidation system. Hence, the S-Fe/Co@GC reduction-oxidation sequential reaction system provides a new strategy for treating high-concentration TBBPA-contaminated water. [Display omitted] •The degradation efficiency of the reduction system for TBBPA was optimized.•S-Fe and Co0 were the major contributors to TBBPA degradation in the S-Fe/Co@GC reduction system.•The reduction-oxidation reaction system significantly enhanced TBBPA mineralization.•Multiple pathways of TBBPA debromination and ring opening were revealed.</description><subject>Bimetallic amendment</subject><subject>Cobalt - chemistry</subject><subject>Degradation pathway</subject><subject>Iron - chemistry</subject><subject>Mineralization</subject><subject>Oxidation-Reduction</subject><subject>Polybrominated Biphenyls - chemistry</subject><subject>Reduction-oxidation</subject><subject>TBBPA</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Water Pollutants, Chemical - chemistry</subject><issn>0013-9351</issn><issn>1096-0953</issn><issn>1096-0953</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1P3DAQhq2KCrbAP6iQj1yy-CuJc0GgFdBKSD0AZ8txxl2vknixvQvLsb-83gZ6ZC7z9c6M5kHoOyVzSmh1sZrDuA0Q54wwMaeMUFl9QTNKmqogTckP0IwQyouGl_QIfYtxlVNacnKIjngjWN0IMkN_HopbuFj4q7sFDtBtTHJ-LPyr6_Q-whGeNzAmp_vc1maq7WKCAVsfcFoCXrrfywKsdcbBaHZ4cCME3bu3aYO3OEEKug1-8K2L6yWMvscauxG_6AThBH21uo9w-u6P0dPtzePiR3H_6-7n4vq-MEzQVDSM0YqA5kaAaCWTugZtZW05z7E2rRQ1ryorWTawULZdTetOl1JIwozgx-h82rsOPj8VkxpcNND3egS_iYpTKiUXsm6yVExSE3yMAaxaBzfosFOUqD19tVITfbWnryb6eezs_cKmHaD7P_SBOwsuJwHkP7cOgor_oEHnApikOu8-v_AXYqSaJg</recordid><startdate>20241215</startdate><enddate>20241215</enddate><creator>Li, Chunyang</creator><creator>Tan, Jiajia</creator><creator>Wang, Wenbing</creator><creator>Xiang, Minghui</creator><creator>Li, Hui</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0009-0005-3704-6576</orcidid></search><sort><creationdate>20241215</creationdate><title>S-Fe/Co@GC reduction-oxidation sequential reaction system for the high-efficiency mineralization of tetrabromobisphenol a in water</title><author>Li, Chunyang ; Tan, Jiajia ; Wang, Wenbing ; Xiang, Minghui ; Li, Hui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c241t-922160ea3c4e4b828a7eaf87f3328aacb847366f82222efe5bd717da584802c43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Bimetallic amendment</topic><topic>Cobalt - chemistry</topic><topic>Degradation pathway</topic><topic>Iron - chemistry</topic><topic>Mineralization</topic><topic>Oxidation-Reduction</topic><topic>Polybrominated Biphenyls - chemistry</topic><topic>Reduction-oxidation</topic><topic>TBBPA</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Water Pollutants, Chemical - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Chunyang</creatorcontrib><creatorcontrib>Tan, Jiajia</creatorcontrib><creatorcontrib>Wang, Wenbing</creatorcontrib><creatorcontrib>Xiang, Minghui</creatorcontrib><creatorcontrib>Li, Hui</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Chunyang</au><au>Tan, Jiajia</au><au>Wang, Wenbing</au><au>Xiang, Minghui</au><au>Li, Hui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>S-Fe/Co@GC reduction-oxidation sequential reaction system for the high-efficiency mineralization of tetrabromobisphenol a in water</atitle><jtitle>Environmental research</jtitle><addtitle>Environ Res</addtitle><date>2024-12-15</date><risdate>2024</risdate><volume>263</volume><issue>Pt 2</issue><spage>120186</spage><pages>120186-</pages><artnum>120186</artnum><issn>0013-9351</issn><issn>1096-0953</issn><eissn>1096-0953</eissn><abstract>The lipophilic, bioaccumulative, persistent nature of Tetrabromobisphenol A (TBBPA) contributes to its widespread detection in various environmental media, posing significant negative implications for the living environment and human health. In this study, a reduction system and a reduction-oxidation sequential reaction system were developed using a magnetic core-shell bimetallic amendment (S-Fe/Co@GC) to investigate the degradation and mineralization properties of TBBPA. Additionally, the degradation mechanism and degradation pathway of TBBPA in various systems were analyzed. In the sole S-Fe/Co@GC reduction system, sulfurized nano-zero-valent iron (S-Fe) and Co0 exhibited remarkable reductive capabilities towards TBBPA. The reaction of S-Fe/Co@GC gradually facilitated the debromination of TBBPA, ultimately leading to its conversion into bisphenol A. The reaction process demonstrated the synergistic effect among S-Fe, Co0, and graphite carbon, leading to a remarkable enhancement in the reduction performance of the material. Consequently, TBBPA removal efficiency reached 97.5% within a time frame of 10 h. In the reduction-oxidation sequential reaction system, the debromination of TBBPA during the reduction stage enhanced the subsequent oxidation stage's total organic carbon (TOC) removal rate. During the oxidation stage (0.03 mmol of PMS added at 30 min), TBBPA underwent attack by sulfate radical (SO4·-), hydroxyl radical (·OH), superoxide radical (O2·-), and singlet oxygen (1O2), leading to cleavage and opening of its structure. This process resulted in the conversion of TBBPA into short-chain fatty acids, ultimately mineralizing it into CO2 and H2O. Thus, this degradation pathway mitigated potential environmental risk associated with intermediates. The final TOC removal rate significantly increased to 72.7% when the dose of composite material was set at 1.0 g/L, surpassing that achieved by the conventional advanced oxidation system. Hence, the S-Fe/Co@GC reduction-oxidation sequential reaction system provides a new strategy for treating high-concentration TBBPA-contaminated water. [Display omitted] •The degradation efficiency of the reduction system for TBBPA was optimized.•S-Fe and Co0 were the major contributors to TBBPA degradation in the S-Fe/Co@GC reduction system.•The reduction-oxidation reaction system significantly enhanced TBBPA mineralization.•Multiple pathways of TBBPA debromination and ring opening were revealed.</abstract><cop>Netherlands</cop><pub>Elsevier Inc</pub><pmid>39427940</pmid><doi>10.1016/j.envres.2024.120186</doi><orcidid>https://orcid.org/0009-0005-3704-6576</orcidid></addata></record>
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ispartof Environmental research, 2024-12, Vol.263 (Pt 2), p.120186, Article 120186
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1096-0953
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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects Bimetallic amendment
Cobalt - chemistry
Degradation pathway
Iron - chemistry
Mineralization
Oxidation-Reduction
Polybrominated Biphenyls - chemistry
Reduction-oxidation
TBBPA
Water Pollutants, Chemical - analysis
Water Pollutants, Chemical - chemistry
title S-Fe/Co@GC reduction-oxidation sequential reaction system for the high-efficiency mineralization of tetrabromobisphenol a in water
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