Dichloromethane photodegradation using titanium catalysts
The use of titanium dioxide and titanium aluminosilicates in the photocatalytic destruction of chlorinated hydrocarbons is investigated. Titanium-exchanged clays, titanium-pillared clays, and titanium dioxide in the amorphous, anatase, and rutile forms are used to photocatalytically degrade dichloro...
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| Veröffentlicht in: | Journal of catalysis 1989-06, Vol.117 (2), p.335-347 |
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| container_title | Journal of catalysis |
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| creator | Tanguay, James F. Suib, Steven L. Coughlin, Robert W. |
| description | The use of titanium dioxide and titanium aluminosilicates in the photocatalytic destruction of chlorinated hydrocarbons is investigated. Titanium-exchanged clays, titanium-pillared clays, and titanium dioxide in the amorphous, anatase, and rutile forms are used to photocatalytically degrade dichloromethane to hydrochloric acid and carbon dioxide. Bentonite clays pillared by titanium dioxide are observed to be more catalytically active than titanium-exchanged clays. Clays pillared by titanium aluminum polymeric cations display about the same catalytic activity as that of titanium-exchanged clays. The rutile form of titanium dioxide is the most active catalyst studied for the dichloromethane degradation reaction. The anatase form of titanium dioxide supported on carbon felt was also used as a catalyst. This material is about five times more active than titanium dioxide-pillared clays. Degradation of dichloromethane using any of these catalysts can be enhanced by oxygen enrichment of the reaction solution or by preirradiating the catalyst with light. |
| doi_str_mv | 10.1016/0021-9517(89)90344-8 |
| format | Article |
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Titanium-exchanged clays, titanium-pillared clays, and titanium dioxide in the amorphous, anatase, and rutile forms are used to photocatalytically degrade dichloromethane to hydrochloric acid and carbon dioxide. Bentonite clays pillared by titanium dioxide are observed to be more catalytically active than titanium-exchanged clays. Clays pillared by titanium aluminum polymeric cations display about the same catalytic activity as that of titanium-exchanged clays. The rutile form of titanium dioxide is the most active catalyst studied for the dichloromethane degradation reaction. The anatase form of titanium dioxide supported on carbon felt was also used as a catalyst. This material is about five times more active than titanium dioxide-pillared clays. 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Titanium-exchanged clays, titanium-pillared clays, and titanium dioxide in the amorphous, anatase, and rutile forms are used to photocatalytically degrade dichloromethane to hydrochloric acid and carbon dioxide. Bentonite clays pillared by titanium dioxide are observed to be more catalytically active than titanium-exchanged clays. Clays pillared by titanium aluminum polymeric cations display about the same catalytic activity as that of titanium-exchanged clays. The rutile form of titanium dioxide is the most active catalyst studied for the dichloromethane degradation reaction. The anatase form of titanium dioxide supported on carbon felt was also used as a catalyst. This material is about five times more active than titanium dioxide-pillared clays. Degradation of dichloromethane using any of these catalysts can be enhanced by oxygen enrichment of the reaction solution or by preirradiating the catalyst with light.</description><subject>540320 - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-)</subject><subject>ALUMINIUM COMPOUNDS</subject><subject>ALUMINIUM OXIDES</subject><subject>BENTONITE</subject><subject>CARBON COMPOUNDS</subject><subject>CARBON DIOXIDE</subject><subject>CARBON OXIDES</subject><subject>CATALYTIC EFFECTS</subject><subject>CHALCOGENIDES</subject><subject>CHEMICAL REACTIONS</subject><subject>Chemistry</subject><subject>CLAYS</subject><subject>CONTROL</subject><subject>DECOMPOSITION</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>ENRICHMENT</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>HYDROCHLORIC ACID</subject><subject>HYDROGEN COMPOUNDS</subject><subject>INORGANIC ACIDS</subject><subject>LIQUID WASTES</subject><subject>MINERALS</subject><subject>ORGANIC CHLORINE COMPOUNDS</subject><subject>ORGANIC COMPOUNDS</subject><subject>ORGANIC HALOGEN COMPOUNDS</subject><subject>OXIDE MINERALS</subject><subject>OXIDES</subject><subject>OXYGEN COMPOUNDS</subject><subject>OXYGEN ENRICHMENT</subject><subject>PHASE TRANSFORMATIONS</subject><subject>PHOTOCHEMICAL REACTIONS</subject><subject>Photochemistry</subject><subject>PHOTOLYSIS</subject><subject>Physical chemistry of induced reactions (with radiations, particles and ultrasonics)</subject><subject>POLLUTION CONTROL</subject><subject>RADIATIONS</subject><subject>SILICA</subject><subject>SILICON COMPOUNDS</subject><subject>SILICON OXIDES</subject><subject>SYNTHESIS</subject><subject>TITANIUM COMPOUNDS</subject><subject>TITANIUM OXIDES</subject><subject>TRANSITION ELEMENT COMPOUNDS</subject><subject>VISIBLE RADIATION</subject><subject>WASTE WATER</subject><subject>WASTES</subject><subject>WATER</subject><subject>WATER POLLUTION CONTROL</subject><subject>WATER TREATMENT</subject><issn>0021-9517</issn><issn>1090-2694</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><recordid>eNp9kD9PwzAQxS0EEqXwDRgixABD4Gwnjr0gofJXqsQCs-XaTmOU2pVtkPrtSQjqyHQ3_N67dw-hcww3GDC7BSC4FDVurri4FkCrquQHaIZBQEmYqA7RbI8co5OUPgEwrms-Q-LB6a4PMWxs7pS3xbYLORi7jsqo7IIvvpLz6yK7rLz72hRaZdXvUk6n6KhVfbJnf3OOPp4e3xcv5fLt-XVxvyw1ZZBLY2utVlQJbYyoBVMNEANcrCgGzdSwr0iLLWutEoy2pKmIwZjwimvSNMDpHF1MviFlJ5N22epOB--tzpLRBoCRAaomSMeQUrSt3Ea3UXEnMcixIzkWIMcCJBfytyM5el9Osq1KWvVtVF67tNc2lAAIMWB3E2aHP7-djWMM67U1Lo4pTHD_3_kB_S96Zw</recordid><startdate>19890601</startdate><enddate>19890601</enddate><creator>Tanguay, James F.</creator><creator>Suib, Steven L.</creator><creator>Coughlin, Robert W.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19890601</creationdate><title>Dichloromethane photodegradation using titanium catalysts</title><author>Tanguay, James F. ; Suib, Steven L. ; Coughlin, Robert W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-de5cab3a9cdd9596a702d089b310c6a2d0b2f1e6fea963f2742d112848c277083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>540320 - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-)</topic><topic>ALUMINIUM COMPOUNDS</topic><topic>ALUMINIUM OXIDES</topic><topic>BENTONITE</topic><topic>CARBON COMPOUNDS</topic><topic>CARBON DIOXIDE</topic><topic>CARBON OXIDES</topic><topic>CATALYTIC EFFECTS</topic><topic>CHALCOGENIDES</topic><topic>CHEMICAL REACTIONS</topic><topic>Chemistry</topic><topic>CLAYS</topic><topic>CONTROL</topic><topic>DECOMPOSITION</topic><topic>ELECTROMAGNETIC RADIATION</topic><topic>ENRICHMENT</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>HYDROCHLORIC ACID</topic><topic>HYDROGEN COMPOUNDS</topic><topic>INORGANIC ACIDS</topic><topic>LIQUID WASTES</topic><topic>MINERALS</topic><topic>ORGANIC CHLORINE COMPOUNDS</topic><topic>ORGANIC COMPOUNDS</topic><topic>ORGANIC HALOGEN COMPOUNDS</topic><topic>OXIDE MINERALS</topic><topic>OXIDES</topic><topic>OXYGEN COMPOUNDS</topic><topic>OXYGEN ENRICHMENT</topic><topic>PHASE TRANSFORMATIONS</topic><topic>PHOTOCHEMICAL REACTIONS</topic><topic>Photochemistry</topic><topic>PHOTOLYSIS</topic><topic>Physical chemistry of induced reactions (with radiations, particles and ultrasonics)</topic><topic>POLLUTION CONTROL</topic><topic>RADIATIONS</topic><topic>SILICA</topic><topic>SILICON COMPOUNDS</topic><topic>SILICON OXIDES</topic><topic>SYNTHESIS</topic><topic>TITANIUM COMPOUNDS</topic><topic>TITANIUM OXIDES</topic><topic>TRANSITION ELEMENT COMPOUNDS</topic><topic>VISIBLE RADIATION</topic><topic>WASTE WATER</topic><topic>WASTES</topic><topic>WATER</topic><topic>WATER POLLUTION CONTROL</topic><topic>WATER TREATMENT</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tanguay, James F.</creatorcontrib><creatorcontrib>Suib, Steven L.</creatorcontrib><creatorcontrib>Coughlin, Robert W.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Journal of catalysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tanguay, James F.</au><au>Suib, Steven L.</au><au>Coughlin, Robert W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dichloromethane photodegradation using titanium catalysts</atitle><jtitle>Journal of catalysis</jtitle><date>1989-06-01</date><risdate>1989</risdate><volume>117</volume><issue>2</issue><spage>335</spage><epage>347</epage><pages>335-347</pages><issn>0021-9517</issn><eissn>1090-2694</eissn><coden>JCTLA5</coden><abstract>The use of titanium dioxide and titanium aluminosilicates in the photocatalytic destruction of chlorinated hydrocarbons is investigated. Titanium-exchanged clays, titanium-pillared clays, and titanium dioxide in the amorphous, anatase, and rutile forms are used to photocatalytically degrade dichloromethane to hydrochloric acid and carbon dioxide. Bentonite clays pillared by titanium dioxide are observed to be more catalytically active than titanium-exchanged clays. Clays pillared by titanium aluminum polymeric cations display about the same catalytic activity as that of titanium-exchanged clays. The rutile form of titanium dioxide is the most active catalyst studied for the dichloromethane degradation reaction. The anatase form of titanium dioxide supported on carbon felt was also used as a catalyst. This material is about five times more active than titanium dioxide-pillared clays. Degradation of dichloromethane using any of these catalysts can be enhanced by oxygen enrichment of the reaction solution or by preirradiating the catalyst with light.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><doi>10.1016/0021-9517(89)90344-8</doi><tpages>13</tpages></addata></record> |
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| ispartof | Journal of catalysis, 1989-06, Vol.117 (2), p.335-347 |
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| subjects | 540320 - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-) ALUMINIUM COMPOUNDS ALUMINIUM OXIDES BENTONITE CARBON COMPOUNDS CARBON DIOXIDE CARBON OXIDES CATALYTIC EFFECTS CHALCOGENIDES CHEMICAL REACTIONS Chemistry CLAYS CONTROL DECOMPOSITION ELECTROMAGNETIC RADIATION ENRICHMENT ENVIRONMENTAL SCIENCES Exact sciences and technology General and physical chemistry HYDROCHLORIC ACID HYDROGEN COMPOUNDS INORGANIC ACIDS LIQUID WASTES MINERALS ORGANIC CHLORINE COMPOUNDS ORGANIC COMPOUNDS ORGANIC HALOGEN COMPOUNDS OXIDE MINERALS OXIDES OXYGEN COMPOUNDS OXYGEN ENRICHMENT PHASE TRANSFORMATIONS PHOTOCHEMICAL REACTIONS Photochemistry PHOTOLYSIS Physical chemistry of induced reactions (with radiations, particles and ultrasonics) POLLUTION CONTROL RADIATIONS SILICA SILICON COMPOUNDS SILICON OXIDES SYNTHESIS TITANIUM COMPOUNDS TITANIUM OXIDES TRANSITION ELEMENT COMPOUNDS VISIBLE RADIATION WASTE WATER WASTES WATER WATER POLLUTION CONTROL WATER TREATMENT |
| title | Dichloromethane photodegradation using titanium catalysts |
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