Ultrafast degradation of micropollutants in water via electro-periodate activation catalyzed by nanoconfined Fe2O3
Herein, we developed and evaluated an electrochemical periodate (PI) activation system for the ultrafast degradation of aqueous micropollutants (τ
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| Veröffentlicht in: | Applied catalysis. B, Environmental Environmental, 2022-07, Vol.309, p.121289, Article 121289 |
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| container_title | Applied catalysis. B, Environmental |
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| creator | Guo, Dongli Yao, Yuan You, Shijie Jin, Limin Lu, Ping Liu, Yanbiao |
| description | Herein, we developed and evaluated an electrochemical periodate (PI) activation system for the ultrafast degradation of aqueous micropollutants (τ |
| doi_str_mv | 10.1016/j.apcatb.2022.121289 |
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| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2649760918</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0926337322002296</els_id><sourcerecordid>2649760918</sourcerecordid><originalsourceid>FETCH-LOGICAL-c334t-d7c6dac02d959d896d070a267b91cfc4a359fe587a0b41afbb9c0976e00806753</originalsourceid><addsrcrecordid>eNp9kEFr3DAQhUVoIdu0_yAHQc_ejiSvLV0KJTRtIZBLcxZjaVy0OJIjabdsf30V3HNPw8B7b-Z9jN0K2AsQw6fjHleHddpLkHIvpJDaXLGd0KPqlNbqDduBkUOn1Kiu2btSjgAgldQ7lp-WmnHGUrmnXxk91pAiTzN_Di6nNS3LqWKshYfIf2OlzM8BOS3kak7dSjmk5iGOrobzZm6v4HL5Q55PFx4xJpfiHGLb70k-qvfs7YxLoQ__5g17uv_68-579_D47cfdl4fOKdXXzo9u8OhAenMwXpvBwwgoh3Eyws2uR3UwMx30iDD1AudpMg7MOBCAhmE8qBv2cctdc3o5Uan2mE45tpNWDn1TghG6qfpN1dqWkmm2aw7PmC9WgH2la492o2tf6dqNbrN93mzUGpwDZVtcoOjIh9zQWJ_C_wP-AsaGhpc</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2649760918</pqid></control><display><type>article</type><title>Ultrafast degradation of micropollutants in water via electro-periodate activation catalyzed by nanoconfined Fe2O3</title><source>Elsevier ScienceDirect Journals</source><creator>Guo, Dongli ; Yao, Yuan ; You, Shijie ; Jin, Limin ; Lu, Ping ; Liu, Yanbiao</creator><creatorcontrib>Guo, Dongli ; Yao, Yuan ; You, Shijie ; Jin, Limin ; Lu, Ping ; Liu, Yanbiao</creatorcontrib><description>Herein, we developed and evaluated an electrochemical periodate (PI) activation system for the ultrafast degradation of aqueous micropollutants (τ < 3 s). Filters constructed from carbon nanotubes (CNT) coated with Fe2O3 nanoparticles on the outer (Fe2O3-out-CNT) and inner surfaces (Fe2O3-in-CNT) were prepared to regulate the generation of reactive oxygen species (ROS) during PI activation. The activation function of the electroactive nanohybrid filters lay in their ability to facilitate the redox cycling of Fe(III)/Fe(II) assisted by an electric field. The results showed that a non-radical (i.e., 1O2) pathway dominated the degradation process in the electro/Fe2O3-in-CNT/PI system, while a contrastive radical pathway (i.e., HO• and IO3•) was identified in the electro/Fe2O3-out-CNT/PI system. The electro/Fe2O3-in-CNT/PI system exhibited enhanced catalytic activity towards the micropollutants degradation relative to its electro/Fe2O3-out-CNT/PI counterpart. Density functional theory calculations suggested that PI could be directly decomposed under the nanoconfined environment, rather than forming a stable adsorption complex in the unconfined system.
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•An electrochemical PI activation system was developed for ultrafast water remediation.•Non-radical pathway dominated BPA degradation in the E/Fe2O3-in-CNT/PI system.•Radical pathway was identified in the E/Fe2O3-out-CNT/PI system.•Ultrafast and robust organic degradation were obtained in the E/Fe2O3-in-CNT/PI system.•IO4− were transformed into nontoxic IO3− without generation of undesired I species.</description><identifier>ISSN: 0926-3373</identifier><identifier>EISSN: 1873-3883</identifier><identifier>DOI: 10.1016/j.apcatb.2022.121289</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Carbon nanotubes ; Catalytic activity ; Degradation ; Density functional theory ; Electric fields ; Electric filters ; Electrochemistry ; Ferric oxide ; Filters ; Iron ; Micropollutants ; Nanoconfinement effect ; Nanoparticles ; Nanotechnology ; Nanotubes ; Periodate activation ; Reactive oxygen species ; Redox properties ; Singlet oxygen ; Water remediation</subject><ispartof>Applied catalysis. B, Environmental, 2022-07, Vol.309, p.121289, Article 121289</ispartof><rights>2022 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jul 15, 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-d7c6dac02d959d896d070a267b91cfc4a359fe587a0b41afbb9c0976e00806753</citedby><cites>FETCH-LOGICAL-c334t-d7c6dac02d959d896d070a267b91cfc4a359fe587a0b41afbb9c0976e00806753</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0926337322002296$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Guo, Dongli</creatorcontrib><creatorcontrib>Yao, Yuan</creatorcontrib><creatorcontrib>You, Shijie</creatorcontrib><creatorcontrib>Jin, Limin</creatorcontrib><creatorcontrib>Lu, Ping</creatorcontrib><creatorcontrib>Liu, Yanbiao</creatorcontrib><title>Ultrafast degradation of micropollutants in water via electro-periodate activation catalyzed by nanoconfined Fe2O3</title><title>Applied catalysis. B, Environmental</title><description>Herein, we developed and evaluated an electrochemical periodate (PI) activation system for the ultrafast degradation of aqueous micropollutants (τ < 3 s). Filters constructed from carbon nanotubes (CNT) coated with Fe2O3 nanoparticles on the outer (Fe2O3-out-CNT) and inner surfaces (Fe2O3-in-CNT) were prepared to regulate the generation of reactive oxygen species (ROS) during PI activation. The activation function of the electroactive nanohybrid filters lay in their ability to facilitate the redox cycling of Fe(III)/Fe(II) assisted by an electric field. The results showed that a non-radical (i.e., 1O2) pathway dominated the degradation process in the electro/Fe2O3-in-CNT/PI system, while a contrastive radical pathway (i.e., HO• and IO3•) was identified in the electro/Fe2O3-out-CNT/PI system. The electro/Fe2O3-in-CNT/PI system exhibited enhanced catalytic activity towards the micropollutants degradation relative to its electro/Fe2O3-out-CNT/PI counterpart. Density functional theory calculations suggested that PI could be directly decomposed under the nanoconfined environment, rather than forming a stable adsorption complex in the unconfined system.
[Display omitted]
•An electrochemical PI activation system was developed for ultrafast water remediation.•Non-radical pathway dominated BPA degradation in the E/Fe2O3-in-CNT/PI system.•Radical pathway was identified in the E/Fe2O3-out-CNT/PI system.•Ultrafast and robust organic degradation were obtained in the E/Fe2O3-in-CNT/PI system.•IO4− were transformed into nontoxic IO3− without generation of undesired I species.</description><subject>Carbon nanotubes</subject><subject>Catalytic activity</subject><subject>Degradation</subject><subject>Density functional theory</subject><subject>Electric fields</subject><subject>Electric filters</subject><subject>Electrochemistry</subject><subject>Ferric oxide</subject><subject>Filters</subject><subject>Iron</subject><subject>Micropollutants</subject><subject>Nanoconfinement effect</subject><subject>Nanoparticles</subject><subject>Nanotechnology</subject><subject>Nanotubes</subject><subject>Periodate activation</subject><subject>Reactive oxygen species</subject><subject>Redox properties</subject><subject>Singlet oxygen</subject><subject>Water remediation</subject><issn>0926-3373</issn><issn>1873-3883</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kEFr3DAQhUVoIdu0_yAHQc_ejiSvLV0KJTRtIZBLcxZjaVy0OJIjabdsf30V3HNPw8B7b-Z9jN0K2AsQw6fjHleHddpLkHIvpJDaXLGd0KPqlNbqDduBkUOn1Kiu2btSjgAgldQ7lp-WmnHGUrmnXxk91pAiTzN_Di6nNS3LqWKshYfIf2OlzM8BOS3kak7dSjmk5iGOrobzZm6v4HL5Q55PFx4xJpfiHGLb70k-qvfs7YxLoQ__5g17uv_68-579_D47cfdl4fOKdXXzo9u8OhAenMwXpvBwwgoh3Eyws2uR3UwMx30iDD1AudpMg7MOBCAhmE8qBv2cctdc3o5Uan2mE45tpNWDn1TghG6qfpN1dqWkmm2aw7PmC9WgH2la492o2tf6dqNbrN93mzUGpwDZVtcoOjIh9zQWJ_C_wP-AsaGhpc</recordid><startdate>20220715</startdate><enddate>20220715</enddate><creator>Guo, Dongli</creator><creator>Yao, Yuan</creator><creator>You, Shijie</creator><creator>Jin, Limin</creator><creator>Lu, Ping</creator><creator>Liu, Yanbiao</creator><general>Elsevier B.V</general><general>Elsevier BV</general><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></search><sort><creationdate>20220715</creationdate><title>Ultrafast degradation of micropollutants in water via electro-periodate activation catalyzed by nanoconfined Fe2O3</title><author>Guo, Dongli ; Yao, Yuan ; You, Shijie ; Jin, Limin ; Lu, Ping ; Liu, Yanbiao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-d7c6dac02d959d896d070a267b91cfc4a359fe587a0b41afbb9c0976e00806753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Carbon nanotubes</topic><topic>Catalytic activity</topic><topic>Degradation</topic><topic>Density functional theory</topic><topic>Electric fields</topic><topic>Electric filters</topic><topic>Electrochemistry</topic><topic>Ferric oxide</topic><topic>Filters</topic><topic>Iron</topic><topic>Micropollutants</topic><topic>Nanoconfinement effect</topic><topic>Nanoparticles</topic><topic>Nanotechnology</topic><topic>Nanotubes</topic><topic>Periodate activation</topic><topic>Reactive oxygen species</topic><topic>Redox properties</topic><topic>Singlet oxygen</topic><topic>Water remediation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, Dongli</creatorcontrib><creatorcontrib>Yao, Yuan</creatorcontrib><creatorcontrib>You, Shijie</creatorcontrib><creatorcontrib>Jin, Limin</creatorcontrib><creatorcontrib>Lu, Ping</creatorcontrib><creatorcontrib>Liu, Yanbiao</creatorcontrib><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>Guo, Dongli</au><au>Yao, Yuan</au><au>You, Shijie</au><au>Jin, Limin</au><au>Lu, Ping</au><au>Liu, Yanbiao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultrafast degradation of micropollutants in water via electro-periodate activation catalyzed by nanoconfined Fe2O3</atitle><jtitle>Applied catalysis. B, Environmental</jtitle><date>2022-07-15</date><risdate>2022</risdate><volume>309</volume><spage>121289</spage><pages>121289-</pages><artnum>121289</artnum><issn>0926-3373</issn><eissn>1873-3883</eissn><abstract>Herein, we developed and evaluated an electrochemical periodate (PI) activation system for the ultrafast degradation of aqueous micropollutants (τ < 3 s). Filters constructed from carbon nanotubes (CNT) coated with Fe2O3 nanoparticles on the outer (Fe2O3-out-CNT) and inner surfaces (Fe2O3-in-CNT) were prepared to regulate the generation of reactive oxygen species (ROS) during PI activation. The activation function of the electroactive nanohybrid filters lay in their ability to facilitate the redox cycling of Fe(III)/Fe(II) assisted by an electric field. The results showed that a non-radical (i.e., 1O2) pathway dominated the degradation process in the electro/Fe2O3-in-CNT/PI system, while a contrastive radical pathway (i.e., HO• and IO3•) was identified in the electro/Fe2O3-out-CNT/PI system. The electro/Fe2O3-in-CNT/PI system exhibited enhanced catalytic activity towards the micropollutants degradation relative to its electro/Fe2O3-out-CNT/PI counterpart. Density functional theory calculations suggested that PI could be directly decomposed under the nanoconfined environment, rather than forming a stable adsorption complex in the unconfined system.
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•An electrochemical PI activation system was developed for ultrafast water remediation.•Non-radical pathway dominated BPA degradation in the E/Fe2O3-in-CNT/PI system.•Radical pathway was identified in the E/Fe2O3-out-CNT/PI system.•Ultrafast and robust organic degradation were obtained in the E/Fe2O3-in-CNT/PI system.•IO4− were transformed into nontoxic IO3− without generation of undesired I species.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apcatb.2022.121289</doi></addata></record> |
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| subjects | Carbon nanotubes Catalytic activity Degradation Density functional theory Electric fields Electric filters Electrochemistry Ferric oxide Filters Iron Micropollutants Nanoconfinement effect Nanoparticles Nanotechnology Nanotubes Periodate activation Reactive oxygen species Redox properties Singlet oxygen Water remediation |
| title | Ultrafast degradation of micropollutants in water via electro-periodate activation catalyzed by nanoconfined Fe2O3 |
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