Overcoming slow removal efficiency-induced highly toxic I-DBPs in water by oxygen vacancies enriched invasive plant biochar catalyst: Experimental and theoretical studies
Developing effective and safe catalysts operated in the in-depth removal of iodinated X-ray contrast media is important for overcoming slow removal efficiency-induced highly toxic iodine-replaced disinfection byproducts (I-DBPs). In this study, a novel oxygen vacancies enriched heterogeneous biochar...
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| Veröffentlicht in: | Journal of hazardous materials 2023-10, Vol.459, p.132086-132086, Article 132086 |
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| creator | Fan, Yu-Han Lu, Yu-Wei Hayat, Faisal Mei, Yu-Han Chen, Ming |
| description | Developing effective and safe catalysts operated in the in-depth removal of iodinated X-ray contrast media is important for overcoming slow removal efficiency-induced highly toxic iodine-replaced disinfection byproducts (I-DBPs). In this study, a novel oxygen vacancies enriched heterogeneous biochar catalyst (Mo-Co-ECM) from the invasive plant was synthesized by a facile one-step hydrothermal carbonization method and used for the in-depth removal of iohexol (IOH) by the activation of peroxymonosulfate (PMS). The results indicated that after adding PMS for 3 min, the removal efficiency of IOH in Mo-Co-ECM/PMS system reached 100% and exhibited a superior degradation efficiency compared to Co-ECM/PMS and ECM/PMS system. Only nine I-DBPs were found during the degradation, which were dominated by small molecules compounds (MW |
| doi_str_mv | 10.1016/j.jhazmat.2023.132086 |
| format | Article |
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[Display omitted]
•The oxygen vacancies enriched bimetal biochar was facilely developed for PMS activation.•In-depth degradation of IOH can be achieved after adding PMS for 3 min.•Significant role of oxygen vacancies in improved the electron transfer ability of Co was revealed.•The formation of toxic intermediates is suppressed due to the in-depth degradation.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2023.132086</identifier><identifier>PMID: 37480607</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Biochar ; catalysts ; catalytic activity ; density functional theory ; disinfection ; electron paramagnetic resonance spectroscopy ; electron transfer ; hydrothermal carbonization ; In-depth removal ; Invasive plant ; invasive species ; Iohexol ; oxidation ; oxygen ; Oxygen vacancy ; Peroxymonosulfate ; toxicity ; X-radiation</subject><ispartof>Journal of hazardous materials, 2023-10, Vol.459, p.132086-132086, Article 132086</ispartof><rights>2023 Elsevier B.V.</rights><rights>Copyright © 2023 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c398t-c5d72e2529836cf93711f9efaa27fe0d45a21f9b468c729ea9b6dc342dae71673</citedby><cites>FETCH-LOGICAL-c398t-c5d72e2529836cf93711f9efaa27fe0d45a21f9b468c729ea9b6dc342dae71673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304389423013699$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37480607$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fan, Yu-Han</creatorcontrib><creatorcontrib>Lu, Yu-Wei</creatorcontrib><creatorcontrib>Hayat, Faisal</creatorcontrib><creatorcontrib>Mei, Yu-Han</creatorcontrib><creatorcontrib>Chen, Ming</creatorcontrib><title>Overcoming slow removal efficiency-induced highly toxic I-DBPs in water by oxygen vacancies enriched invasive plant biochar catalyst: Experimental and theoretical studies</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>Developing effective and safe catalysts operated in the in-depth removal of iodinated X-ray contrast media is important for overcoming slow removal efficiency-induced highly toxic iodine-replaced disinfection byproducts (I-DBPs). In this study, a novel oxygen vacancies enriched heterogeneous biochar catalyst (Mo-Co-ECM) from the invasive plant was synthesized by a facile one-step hydrothermal carbonization method and used for the in-depth removal of iohexol (IOH) by the activation of peroxymonosulfate (PMS). The results indicated that after adding PMS for 3 min, the removal efficiency of IOH in Mo-Co-ECM/PMS system reached 100% and exhibited a superior degradation efficiency compared to Co-ECM/PMS and ECM/PMS system. Only nine I-DBPs were found during the degradation, which were dominated by small molecules compounds (MW<400). The in-depth degradation suppresses the formation of the toxic intermediates. The density functional theory and electron spin resonance showed that due to the existence of Mo and oxygen vacancies, the electron transfer ability was improved, which accelerated the cycle of Co3+/Co2+, so as to enhance the catalytic activity of Mo-Co-ECM/PMS system. This study is expected to provide a general way for decreasing the production of toxic intermediates during the advanced oxidation of contaminants, meanwhile recovering resources.
[Display omitted]
•The oxygen vacancies enriched bimetal biochar was facilely developed for PMS activation.•In-depth degradation of IOH can be achieved after adding PMS for 3 min.•Significant role of oxygen vacancies in improved the electron transfer ability of Co was revealed.•The formation of toxic intermediates is suppressed due to the in-depth degradation.</description><subject>Biochar</subject><subject>catalysts</subject><subject>catalytic activity</subject><subject>density functional theory</subject><subject>disinfection</subject><subject>electron paramagnetic resonance spectroscopy</subject><subject>electron transfer</subject><subject>hydrothermal carbonization</subject><subject>In-depth removal</subject><subject>Invasive plant</subject><subject>invasive species</subject><subject>Iohexol</subject><subject>oxidation</subject><subject>oxygen</subject><subject>Oxygen vacancy</subject><subject>Peroxymonosulfate</subject><subject>toxicity</subject><subject>X-radiation</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNqFkc9u1DAQhyMEotvCI4B85JLF_xInXBAtBSpVKgc4W157svEqsRfbSTc8Up8Sl1249mR59P1mxv6K4g3Ba4JJ_X633vXq96jSmmLK1oRR3NTPihVpBCsZY_XzYoUZ5iVrWn5WnMe4wxgTUfGXxRkTvME1Fqvi4W6GoP1o3RbFwd-jAKOf1YCg66y24PRSWmcmDQb1dtsPC0r-YDW6KT9ffo_IOnSvEgS0WZA_LFtwaFZauRyNCFywus9J62YV7QxoPyiX0MZ63auAtEpqWGL6gK4Pewh2BJcLSDmDUg8-QLI632OaTG73qnjRqSHC69N5Ufz8cv3j6lt5e_f15urTbalZ26RSV0ZQoBVtG1brrmWCkK6FTikqOsCGV4rmwobXjRa0BdVuaqMZp0aBILVgF8W7Y9998L8miEmONmoY8urgpygZqZgQjHH2JEobTjDlLScZrY6oDj7GAJ3c5wersEiC5aNRuZMno_LRqDwazbm3pxHTZgTzP_VPYQY-HgHIfzJbCDL-9QbGBtBJGm-fGPEHPN24jQ</recordid><startdate>20231005</startdate><enddate>20231005</enddate><creator>Fan, Yu-Han</creator><creator>Lu, Yu-Wei</creator><creator>Hayat, Faisal</creator><creator>Mei, Yu-Han</creator><creator>Chen, Ming</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20231005</creationdate><title>Overcoming slow removal efficiency-induced highly toxic I-DBPs in water by oxygen vacancies enriched invasive plant biochar catalyst: Experimental and theoretical studies</title><author>Fan, Yu-Han ; Lu, Yu-Wei ; Hayat, Faisal ; Mei, Yu-Han ; Chen, Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-c5d72e2529836cf93711f9efaa27fe0d45a21f9b468c729ea9b6dc342dae71673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Biochar</topic><topic>catalysts</topic><topic>catalytic activity</topic><topic>density functional theory</topic><topic>disinfection</topic><topic>electron paramagnetic resonance spectroscopy</topic><topic>electron transfer</topic><topic>hydrothermal carbonization</topic><topic>In-depth removal</topic><topic>Invasive plant</topic><topic>invasive species</topic><topic>Iohexol</topic><topic>oxidation</topic><topic>oxygen</topic><topic>Oxygen vacancy</topic><topic>Peroxymonosulfate</topic><topic>toxicity</topic><topic>X-radiation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fan, Yu-Han</creatorcontrib><creatorcontrib>Lu, Yu-Wei</creatorcontrib><creatorcontrib>Hayat, Faisal</creatorcontrib><creatorcontrib>Mei, Yu-Han</creatorcontrib><creatorcontrib>Chen, Ming</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fan, Yu-Han</au><au>Lu, Yu-Wei</au><au>Hayat, Faisal</au><au>Mei, Yu-Han</au><au>Chen, Ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Overcoming slow removal efficiency-induced highly toxic I-DBPs in water by oxygen vacancies enriched invasive plant biochar catalyst: Experimental and theoretical studies</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2023-10-05</date><risdate>2023</risdate><volume>459</volume><spage>132086</spage><epage>132086</epage><pages>132086-132086</pages><artnum>132086</artnum><issn>0304-3894</issn><eissn>1873-3336</eissn><abstract>Developing effective and safe catalysts operated in the in-depth removal of iodinated X-ray contrast media is important for overcoming slow removal efficiency-induced highly toxic iodine-replaced disinfection byproducts (I-DBPs). In this study, a novel oxygen vacancies enriched heterogeneous biochar catalyst (Mo-Co-ECM) from the invasive plant was synthesized by a facile one-step hydrothermal carbonization method and used for the in-depth removal of iohexol (IOH) by the activation of peroxymonosulfate (PMS). The results indicated that after adding PMS for 3 min, the removal efficiency of IOH in Mo-Co-ECM/PMS system reached 100% and exhibited a superior degradation efficiency compared to Co-ECM/PMS and ECM/PMS system. Only nine I-DBPs were found during the degradation, which were dominated by small molecules compounds (MW<400). The in-depth degradation suppresses the formation of the toxic intermediates. The density functional theory and electron spin resonance showed that due to the existence of Mo and oxygen vacancies, the electron transfer ability was improved, which accelerated the cycle of Co3+/Co2+, so as to enhance the catalytic activity of Mo-Co-ECM/PMS system. This study is expected to provide a general way for decreasing the production of toxic intermediates during the advanced oxidation of contaminants, meanwhile recovering resources.
[Display omitted]
•The oxygen vacancies enriched bimetal biochar was facilely developed for PMS activation.•In-depth degradation of IOH can be achieved after adding PMS for 3 min.•Significant role of oxygen vacancies in improved the electron transfer ability of Co was revealed.•The formation of toxic intermediates is suppressed due to the in-depth degradation.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>37480607</pmid><doi>10.1016/j.jhazmat.2023.132086</doi><tpages>1</tpages></addata></record> |
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| subjects | Biochar catalysts catalytic activity density functional theory disinfection electron paramagnetic resonance spectroscopy electron transfer hydrothermal carbonization In-depth removal Invasive plant invasive species Iohexol oxidation oxygen Oxygen vacancy Peroxymonosulfate toxicity X-radiation |
| title | Overcoming slow removal efficiency-induced highly toxic I-DBPs in water by oxygen vacancies enriched invasive plant biochar catalyst: Experimental and theoretical studies |
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