Selective interfacial oxidation of organic pollutants in Fenton-like system mediated by Fe(III)-adsorbed carbon nanotubes
[Display omitted] •Fe(III)-adsorbed carbon nanotubes (Fe-OCNT) as heterogeneous Fenton catalyst.•Selectively interfacial oxidation towards positively charged organic molecules.•A broad pH suitability (4.0–9.0), and high resistance to tert-butyl alcohol and Br−.•The contributions of free HO, FeIVO, 1...
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| Veröffentlicht in: | Applied catalysis. B, Environmental Environmental, 2021-09, Vol.292, p.120193, Article 120193 |
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| container_title | Applied catalysis. B, Environmental |
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| creator | Chen, Lei Wang, Shu Yang, Zhichao Qian, Jieshu Pan, Bingcai |
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•Fe(III)-adsorbed carbon nanotubes (Fe-OCNT) as heterogeneous Fenton catalyst.•Selectively interfacial oxidation towards positively charged organic molecules.•A broad pH suitability (4.0–9.0), and high resistance to tert-butyl alcohol and Br−.•The contributions of free HO, FeIVO, 1O2, and surface-bound O* are excluded.•HO adsorbed on the surface of OCNT is postulated to be the main reactive species.
In this study, we propose a heterogeneous Fenton-like system for selective oxidation towards target compounds based on the recognition of electrostatic attraction. The catalyst Fe-OCNT was fabricated by binding Fe ions onto the surface of oxidized carbon nanotubes, and the resultant Fe-OCNT/H2O2 system could oxidize methylene blue and chrysoidine G only among six test compounds, both of which are positively charged and could be adsorbed on the negatively charged surface of the catalyst. Also, the selective oxidation system features a broad pH suitability from 4.0 to 9.0, excellent resistance to traditional free HO quenching agents and halogen ions, and satisfactory reusability. After the exclusion of the contribution of various reactive species, e.g., free HO, FeIVO, 1O2, and surface-bound O*, we suggest that HO adsorbed on the CNT surface is responsible for such selective oxidation. This work presents a proof-of-concept design of highly selective Fenton-like system in water treatment. |
| doi_str_mv | 10.1016/j.apcatb.2021.120193 |
| format | Article |
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•Fe(III)-adsorbed carbon nanotubes (Fe-OCNT) as heterogeneous Fenton catalyst.•Selectively interfacial oxidation towards positively charged organic molecules.•A broad pH suitability (4.0–9.0), and high resistance to tert-butyl alcohol and Br−.•The contributions of free HO, FeIVO, 1O2, and surface-bound O* are excluded.•HO adsorbed on the surface of OCNT is postulated to be the main reactive species.
In this study, we propose a heterogeneous Fenton-like system for selective oxidation towards target compounds based on the recognition of electrostatic attraction. The catalyst Fe-OCNT was fabricated by binding Fe ions onto the surface of oxidized carbon nanotubes, and the resultant Fe-OCNT/H2O2 system could oxidize methylene blue and chrysoidine G only among six test compounds, both of which are positively charged and could be adsorbed on the negatively charged surface of the catalyst. Also, the selective oxidation system features a broad pH suitability from 4.0 to 9.0, excellent resistance to traditional free HO quenching agents and halogen ions, and satisfactory reusability. After the exclusion of the contribution of various reactive species, e.g., free HO, FeIVO, 1O2, and surface-bound O*, we suggest that HO adsorbed on the CNT surface is responsible for such selective oxidation. This work presents a proof-of-concept design of highly selective Fenton-like system in water treatment.</description><identifier>ISSN: 0926-3373</identifier><identifier>EISSN: 1873-3883</identifier><identifier>DOI: 10.1016/j.apcatb.2021.120193</identifier><language>eng</language><publisher>AMSTERDAM: Elsevier B.V</publisher><subject>Adsorbed HO[rad] ; Adsorption ; Carbon nanotube ; Carbon nanotubes ; Catalysts ; Chemistry ; Chemistry, Physical ; Engineering ; Engineering, Chemical ; Engineering, Environmental ; Fenton reaction ; Hydrogen peroxide ; Ions ; Iron ; Methylene blue ; Nanotechnology ; Nanotubes ; Oxidation ; Physical Sciences ; Pollutants ; Science & Technology ; Selective oxidation ; Technology ; Water treatment</subject><ispartof>Applied catalysis. B, Environmental, 2021-09, Vol.292, p.120193, Article 120193</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier BV Sep 5, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>78</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000663218500001</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c334t-bda73a6475cfdacd699c7854724ec8674ec5046f05c1a416487dd3bb7654e7963</citedby><cites>FETCH-LOGICAL-c334t-bda73a6475cfdacd699c7854724ec8674ec5046f05c1a416487dd3bb7654e7963</cites><orcidid>0000-0003-3379-6677</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apcatb.2021.120193$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27928,27929,39262,45999</link.rule.ids></links><search><creatorcontrib>Chen, Lei</creatorcontrib><creatorcontrib>Wang, Shu</creatorcontrib><creatorcontrib>Yang, Zhichao</creatorcontrib><creatorcontrib>Qian, Jieshu</creatorcontrib><creatorcontrib>Pan, Bingcai</creatorcontrib><title>Selective interfacial oxidation of organic pollutants in Fenton-like system mediated by Fe(III)-adsorbed carbon nanotubes</title><title>Applied catalysis. B, Environmental</title><addtitle>APPL CATAL B-ENVIRON</addtitle><description>[Display omitted]
•Fe(III)-adsorbed carbon nanotubes (Fe-OCNT) as heterogeneous Fenton catalyst.•Selectively interfacial oxidation towards positively charged organic molecules.•A broad pH suitability (4.0–9.0), and high resistance to tert-butyl alcohol and Br−.•The contributions of free HO, FeIVO, 1O2, and surface-bound O* are excluded.•HO adsorbed on the surface of OCNT is postulated to be the main reactive species.
In this study, we propose a heterogeneous Fenton-like system for selective oxidation towards target compounds based on the recognition of electrostatic attraction. The catalyst Fe-OCNT was fabricated by binding Fe ions onto the surface of oxidized carbon nanotubes, and the resultant Fe-OCNT/H2O2 system could oxidize methylene blue and chrysoidine G only among six test compounds, both of which are positively charged and could be adsorbed on the negatively charged surface of the catalyst. Also, the selective oxidation system features a broad pH suitability from 4.0 to 9.0, excellent resistance to traditional free HO quenching agents and halogen ions, and satisfactory reusability. After the exclusion of the contribution of various reactive species, e.g., free HO, FeIVO, 1O2, and surface-bound O*, we suggest that HO adsorbed on the CNT surface is responsible for such selective oxidation. This work presents a proof-of-concept design of highly selective Fenton-like system in water treatment.</description><subject>Adsorbed HO[rad]</subject><subject>Adsorption</subject><subject>Carbon nanotube</subject><subject>Carbon nanotubes</subject><subject>Catalysts</subject><subject>Chemistry</subject><subject>Chemistry, Physical</subject><subject>Engineering</subject><subject>Engineering, Chemical</subject><subject>Engineering, Environmental</subject><subject>Fenton reaction</subject><subject>Hydrogen peroxide</subject><subject>Ions</subject><subject>Iron</subject><subject>Methylene blue</subject><subject>Nanotechnology</subject><subject>Nanotubes</subject><subject>Oxidation</subject><subject>Physical Sciences</subject><subject>Pollutants</subject><subject>Science & Technology</subject><subject>Selective oxidation</subject><subject>Technology</subject><subject>Water treatment</subject><issn>0926-3373</issn><issn>1873-3883</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>HGBXW</sourceid><recordid>eNqNkUuLFDEURoM4YDv6D1wE3ChSbR6VpGojSONow8AsRtchj1uStjppk9Q4_e_NWINLcZOE3O_cXE4QekXJlhIq3x-25uRMtVtGGN1SRujIn6ANHRTv-DDwp2hDRiY7zhV_hp6XciCEMM6GDTrfwgyuhjvAIVbIk3HBzDjdB29qSBGnCaf83cTg8CnN81JNrKVl8RXEmmI3hx-Ay7lUOOIj-GAqeGzPrfxmv9-_7YwvKdt250y2rV80MdXFQnmBLiYzF3j5uF-ib1efvu6-dNc3n_e7j9ed47yvnfVGcSN7JdzkjfNyHJ0aRK9YD26Qqq2C9HIiwlHTU9kPynturZKiBzVKfoler31POf1coFR9SEuO7UnNBB-FUIqQlurXlMuplAyTPuVwNPmsKdEPkvVBr5L1g2S9Sm7YsGK_wKapuADRwV-0WZaSMzqIdiJ0F-ofp7u0xNrQd_-PtvSHNQ1N1V2ArB8JH3L7P-1T-PekvwFWWajA</recordid><startdate>20210905</startdate><enddate>20210905</enddate><creator>Chen, Lei</creator><creator>Wang, Shu</creator><creator>Yang, Zhichao</creator><creator>Qian, Jieshu</creator><creator>Pan, Bingcai</creator><general>Elsevier B.V</general><general>Elsevier</general><general>Elsevier BV</general><scope>BLEPL</scope><scope>DTL</scope><scope>HGBXW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-3379-6677</orcidid></search><sort><creationdate>20210905</creationdate><title>Selective interfacial oxidation of organic pollutants in Fenton-like system mediated by Fe(III)-adsorbed carbon nanotubes</title><author>Chen, Lei ; Wang, Shu ; Yang, Zhichao ; Qian, Jieshu ; Pan, Bingcai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-bda73a6475cfdacd699c7854724ec8674ec5046f05c1a416487dd3bb7654e7963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adsorbed HO[rad]</topic><topic>Adsorption</topic><topic>Carbon nanotube</topic><topic>Carbon nanotubes</topic><topic>Catalysts</topic><topic>Chemistry</topic><topic>Chemistry, Physical</topic><topic>Engineering</topic><topic>Engineering, Chemical</topic><topic>Engineering, Environmental</topic><topic>Fenton reaction</topic><topic>Hydrogen peroxide</topic><topic>Ions</topic><topic>Iron</topic><topic>Methylene blue</topic><topic>Nanotechnology</topic><topic>Nanotubes</topic><topic>Oxidation</topic><topic>Physical Sciences</topic><topic>Pollutants</topic><topic>Science & Technology</topic><topic>Selective oxidation</topic><topic>Technology</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Lei</creatorcontrib><creatorcontrib>Wang, Shu</creatorcontrib><creatorcontrib>Yang, Zhichao</creatorcontrib><creatorcontrib>Qian, Jieshu</creatorcontrib><creatorcontrib>Pan, Bingcai</creatorcontrib><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>Web of Science - Science Citation Index Expanded - 2021</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Applied catalysis. B, Environmental</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Lei</au><au>Wang, Shu</au><au>Yang, Zhichao</au><au>Qian, Jieshu</au><au>Pan, Bingcai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Selective interfacial oxidation of organic pollutants in Fenton-like system mediated by Fe(III)-adsorbed carbon nanotubes</atitle><jtitle>Applied catalysis. B, Environmental</jtitle><stitle>APPL CATAL B-ENVIRON</stitle><date>2021-09-05</date><risdate>2021</risdate><volume>292</volume><spage>120193</spage><pages>120193-</pages><artnum>120193</artnum><issn>0926-3373</issn><eissn>1873-3883</eissn><abstract>[Display omitted]
•Fe(III)-adsorbed carbon nanotubes (Fe-OCNT) as heterogeneous Fenton catalyst.•Selectively interfacial oxidation towards positively charged organic molecules.•A broad pH suitability (4.0–9.0), and high resistance to tert-butyl alcohol and Br−.•The contributions of free HO, FeIVO, 1O2, and surface-bound O* are excluded.•HO adsorbed on the surface of OCNT is postulated to be the main reactive species.
In this study, we propose a heterogeneous Fenton-like system for selective oxidation towards target compounds based on the recognition of electrostatic attraction. The catalyst Fe-OCNT was fabricated by binding Fe ions onto the surface of oxidized carbon nanotubes, and the resultant Fe-OCNT/H2O2 system could oxidize methylene blue and chrysoidine G only among six test compounds, both of which are positively charged and could be adsorbed on the negatively charged surface of the catalyst. Also, the selective oxidation system features a broad pH suitability from 4.0 to 9.0, excellent resistance to traditional free HO quenching agents and halogen ions, and satisfactory reusability. After the exclusion of the contribution of various reactive species, e.g., free HO, FeIVO, 1O2, and surface-bound O*, we suggest that HO adsorbed on the CNT surface is responsible for such selective oxidation. This work presents a proof-of-concept design of highly selective Fenton-like system in water treatment.</abstract><cop>AMSTERDAM</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apcatb.2021.120193</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-3379-6677</orcidid></addata></record> |
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| subjects | Adsorbed HO[rad] Adsorption Carbon nanotube Carbon nanotubes Catalysts Chemistry Chemistry, Physical Engineering Engineering, Chemical Engineering, Environmental Fenton reaction Hydrogen peroxide Ions Iron Methylene blue Nanotechnology Nanotubes Oxidation Physical Sciences Pollutants Science & Technology Selective oxidation Technology Water treatment |
| title | Selective interfacial oxidation of organic pollutants in Fenton-like system mediated by Fe(III)-adsorbed carbon nanotubes |
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