study of parameter setting and characterization of visible-light driven nitrogen-modified commercial TiO₂ photocatalysts
An optimal condition applied to the Taguchi method with an L₉ orthogonal array for preparing a visible-light driven nitrogen-modified TiO₂ (N-TiO₂) photocatalyst by a simple hydrolysis method has been examined for material characteristics and a photodecolorization test of methyl blue (MB) under vari...
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| Veröffentlicht in: | Journal of hazardous materials 2011-06, Vol.190 (1-3), p.938-944 |
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| creator | Kuo, Yu-Lin Su, Te-Li Kung, Fu-Chen Wu, Tsai-Jung |
| description | An optimal condition applied to the Taguchi method with an L₉ orthogonal array for preparing a visible-light driven nitrogen-modified TiO₂ (N-TiO₂) photocatalyst by a simple hydrolysis method has been examined for material characteristics and a photodecolorization test of methyl blue (MB) under various visible light source (fluorescent and blue LED lamps) irradiations. Results of the material characterization showed that the absorption of prepared N-TiO₂ powder exhibited a significant extension into visible light regimes with an optical bandgap (Eg) of around 2.96eV, which subsequently improved the visible-light photocatalytic activity of N-TiO₂ samples. The superior photocatalytic properties, the pseudo first-order reaction rate constants (k) and photodecolorization efficiency (η%) of a N-TiO₂ photocatalyst during the photodecolorization test of methyl blue (MB) under two different visible light irradiations were very evident compared to those for pure TiO₂. For photodecolorization of practical dyeing from the waste water from the dyeing and finishing industry, a higher photodecolorization efficiency of N-TiO₂ powder toward Direct blue-86 (DB-86) (Direct Fast Turquoise Blue GL) dye was also achieved. |
| doi_str_mv | 10.1016/j.jhazmat.2011.04.031 |
| format | Article |
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Results of the material characterization showed that the absorption of prepared N-TiO₂ powder exhibited a significant extension into visible light regimes with an optical bandgap (Eg) of around 2.96eV, which subsequently improved the visible-light photocatalytic activity of N-TiO₂ samples. The superior photocatalytic properties, the pseudo first-order reaction rate constants (k) and photodecolorization efficiency (η%) of a N-TiO₂ photocatalyst during the photodecolorization test of methyl blue (MB) under two different visible light irradiations were very evident compared to those for pure TiO₂. For photodecolorization of practical dyeing from the waste water from the dyeing and finishing industry, a higher photodecolorization efficiency of N-TiO₂ powder toward Direct blue-86 (DB-86) (Direct Fast Turquoise Blue GL) dye was also achieved.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2011.04.031</identifier><identifier>PMID: 21555185</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>absorption ; Benzenesulfonates - chemistry ; Benzenesulfonates - radiation effects ; Catalysis ; Dyeing ; Finishing ; fluorescence ; Hydrolysis ; industry ; Kinetics ; Lamps ; Light ; Nitrogen - chemistry ; Orthogonal arrays ; Photocatalysis ; photocatalyst ; Photocatalysts ; Photolysis ; Rate constants ; Taguchi method ; Titanium - chemistry ; Titanium dioxide ; wastewater ; Water Pollutants, Chemical - chemistry ; Water Pollutants, Chemical - radiation effects ; Water Purification - methods</subject><ispartof>Journal of hazardous materials, 2011-06, Vol.190 (1-3), p.938-944</ispartof><rights>Copyright © 2011 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c463t-273f3f8257117e378cf93f3cff6db998f106a4443a1496615a484d775afcb7d53</citedby><cites>FETCH-LOGICAL-c463t-273f3f8257117e378cf93f3cff6db998f106a4443a1496615a484d775afcb7d53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21555185$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kuo, Yu-Lin</creatorcontrib><creatorcontrib>Su, Te-Li</creatorcontrib><creatorcontrib>Kung, Fu-Chen</creatorcontrib><creatorcontrib>Wu, Tsai-Jung</creatorcontrib><title>study of parameter setting and characterization of visible-light driven nitrogen-modified commercial TiO₂ photocatalysts</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>An optimal condition applied to the Taguchi method with an L₉ orthogonal array for preparing a visible-light driven nitrogen-modified TiO₂ (N-TiO₂) photocatalyst by a simple hydrolysis method has been examined for material characteristics and a photodecolorization test of methyl blue (MB) under various visible light source (fluorescent and blue LED lamps) irradiations. Results of the material characterization showed that the absorption of prepared N-TiO₂ powder exhibited a significant extension into visible light regimes with an optical bandgap (Eg) of around 2.96eV, which subsequently improved the visible-light photocatalytic activity of N-TiO₂ samples. The superior photocatalytic properties, the pseudo first-order reaction rate constants (k) and photodecolorization efficiency (η%) of a N-TiO₂ photocatalyst during the photodecolorization test of methyl blue (MB) under two different visible light irradiations were very evident compared to those for pure TiO₂. For photodecolorization of practical dyeing from the waste water from the dyeing and finishing industry, a higher photodecolorization efficiency of N-TiO₂ powder toward Direct blue-86 (DB-86) (Direct Fast Turquoise Blue GL) dye was also achieved.</description><subject>absorption</subject><subject>Benzenesulfonates - chemistry</subject><subject>Benzenesulfonates - radiation effects</subject><subject>Catalysis</subject><subject>Dyeing</subject><subject>Finishing</subject><subject>fluorescence</subject><subject>Hydrolysis</subject><subject>industry</subject><subject>Kinetics</subject><subject>Lamps</subject><subject>Light</subject><subject>Nitrogen - chemistry</subject><subject>Orthogonal arrays</subject><subject>Photocatalysis</subject><subject>photocatalyst</subject><subject>Photocatalysts</subject><subject>Photolysis</subject><subject>Rate constants</subject><subject>Taguchi method</subject><subject>Titanium - chemistry</subject><subject>Titanium dioxide</subject><subject>wastewater</subject><subject>Water Pollutants, Chemical - chemistry</subject><subject>Water Pollutants, Chemical - radiation effects</subject><subject>Water Purification - methods</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkcFuEzEURS0EomnhE4DZwWYGv7E99ixRVShSpS5o19aLx04czYyD7VRKlv1UvgRHCSxhZenq3GvpHULeAW2AQvd502zWeJgwNy0FaChvKIMXZAFKspox1r0kC8oor5nq-QW5TGlDKQUp-Gty0YIQApRYkEPKu2FfBVdtMeJks41Vsjn7eVXhPFRmXWJTUn_A7MN8JJ988svR1qNfrXM1RP9k52r2OYaVnespDN55W6phmmw0Hsfqwd__en6utuuQg8GM4z7l9Ia8cjgm-_b8XpHHrzcP17f13f2379df7mrDO5brVjLHnGqFBJCWSWVcXxLjXDcs-145oB1yzhkC77sOBHLFBykFOrOUg2BX5ONpdxvDz51NWU8-GTuOONuwS1opBeU0ZeG_ZKeYlFK1hfz0TxKkLMdXooeCihNqYkgpWqe30U8Y9xqoPqrUG31WqY8qNeW6qCy99-cvdsvJDn9bf9wV4MMJcBg0rqJP-vFHWRBFc1-GW_YbBLqoSQ</recordid><startdate>20110615</startdate><enddate>20110615</enddate><creator>Kuo, Yu-Lin</creator><creator>Su, Te-Li</creator><creator>Kung, Fu-Chen</creator><creator>Wu, Tsai-Jung</creator><general>Elsevier B.V</general><scope>FBQ</scope><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>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>7X8</scope><scope>7ST</scope><scope>7U7</scope><scope>C1K</scope><scope>SOI</scope></search><sort><creationdate>20110615</creationdate><title>study of parameter setting and characterization of visible-light driven nitrogen-modified commercial TiO₂ photocatalysts</title><author>Kuo, Yu-Lin ; Su, Te-Li ; Kung, Fu-Chen ; Wu, Tsai-Jung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c463t-273f3f8257117e378cf93f3cff6db998f106a4443a1496615a484d775afcb7d53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>absorption</topic><topic>Benzenesulfonates - chemistry</topic><topic>Benzenesulfonates - radiation effects</topic><topic>Catalysis</topic><topic>Dyeing</topic><topic>Finishing</topic><topic>fluorescence</topic><topic>Hydrolysis</topic><topic>industry</topic><topic>Kinetics</topic><topic>Lamps</topic><topic>Light</topic><topic>Nitrogen - chemistry</topic><topic>Orthogonal arrays</topic><topic>Photocatalysis</topic><topic>photocatalyst</topic><topic>Photocatalysts</topic><topic>Photolysis</topic><topic>Rate constants</topic><topic>Taguchi method</topic><topic>Titanium - chemistry</topic><topic>Titanium dioxide</topic><topic>wastewater</topic><topic>Water Pollutants, Chemical - chemistry</topic><topic>Water Pollutants, Chemical - radiation effects</topic><topic>Water Purification - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kuo, Yu-Lin</creatorcontrib><creatorcontrib>Su, Te-Li</creatorcontrib><creatorcontrib>Kung, Fu-Chen</creatorcontrib><creatorcontrib>Wu, Tsai-Jung</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Environment Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kuo, Yu-Lin</au><au>Su, Te-Li</au><au>Kung, Fu-Chen</au><au>Wu, Tsai-Jung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>study of parameter setting and characterization of visible-light driven nitrogen-modified commercial TiO₂ photocatalysts</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2011-06-15</date><risdate>2011</risdate><volume>190</volume><issue>1-3</issue><spage>938</spage><epage>944</epage><pages>938-944</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><abstract>An optimal condition applied to the Taguchi method with an L₉ orthogonal array for preparing a visible-light driven nitrogen-modified TiO₂ (N-TiO₂) photocatalyst by a simple hydrolysis method has been examined for material characteristics and a photodecolorization test of methyl blue (MB) under various visible light source (fluorescent and blue LED lamps) irradiations. Results of the material characterization showed that the absorption of prepared N-TiO₂ powder exhibited a significant extension into visible light regimes with an optical bandgap (Eg) of around 2.96eV, which subsequently improved the visible-light photocatalytic activity of N-TiO₂ samples. The superior photocatalytic properties, the pseudo first-order reaction rate constants (k) and photodecolorization efficiency (η%) of a N-TiO₂ photocatalyst during the photodecolorization test of methyl blue (MB) under two different visible light irradiations were very evident compared to those for pure TiO₂. For photodecolorization of practical dyeing from the waste water from the dyeing and finishing industry, a higher photodecolorization efficiency of N-TiO₂ powder toward Direct blue-86 (DB-86) (Direct Fast Turquoise Blue GL) dye was also achieved.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>21555185</pmid><doi>10.1016/j.jhazmat.2011.04.031</doi><tpages>7</tpages></addata></record> |
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| subjects | absorption Benzenesulfonates - chemistry Benzenesulfonates - radiation effects Catalysis Dyeing Finishing fluorescence Hydrolysis industry Kinetics Lamps Light Nitrogen - chemistry Orthogonal arrays Photocatalysis photocatalyst Photocatalysts Photolysis Rate constants Taguchi method Titanium - chemistry Titanium dioxide wastewater Water Pollutants, Chemical - chemistry Water Pollutants, Chemical - radiation effects Water Purification - methods |
| title | study of parameter setting and characterization of visible-light driven nitrogen-modified commercial TiO₂ photocatalysts |
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