Photocatalytic decolorization of wastewater dyes
The photocatalytic decolorization of municipal wastewater contaminated with textile dyes was studied using a batch reactor. Degussa P25 titanium dioxide was used as the photocatalyst and proved to be effective for dye degradation when irradiated with UV light in the presence of air. In addition to r...
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| Veröffentlicht in: | Water environment research 1994, Vol.66 (1), p.50-53 |
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| container_title | Water environment research |
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| creator | Davis, Robert J. Gainer, John L. O'Neal, Gilbert Wu, I-Wen |
| description | The photocatalytic decolorization of municipal wastewater contaminated with textile dyes was studied using a batch reactor. Degussa P25 titanium dioxide was used as the photocatalyst and proved to be effective for dye degradation when irradiated with UV light in the presence of air. In addition to removing the color from the wastewater, the photocatalytic reaction simultaneously reduced the COD which suggests that the dissolved organics had been oxidized. The activation energy for the photocatalytic decolorization reaction was only about 3 to 6 kJ/mole indicating a weak temperature dependence of the rate. These results suggest that the photocatalytic degradation of textile dyes may be a viable method for decolorizing and oxidizing organics in wastewater. |
| doi_str_mv | 10.2175/wer.66.1.8 |
| format | Article |
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Degussa P25 titanium dioxide was used as the photocatalyst and proved to be effective for dye degradation when irradiated with UV light in the presence of air. In addition to removing the color from the wastewater, the photocatalytic reaction simultaneously reduced the COD which suggests that the dissolved organics had been oxidized. The activation energy for the photocatalytic decolorization reaction was only about 3 to 6 kJ/mole indicating a weak temperature dependence of the rate. These results suggest that the photocatalytic degradation of textile dyes may be a viable method for decolorizing and oxidizing organics in wastewater.</description><identifier>ISSN: 1061-4303</identifier><identifier>EISSN: 1554-7531</identifier><identifier>DOI: 10.2175/wer.66.1.8</identifier><language>eng</language><publisher>635 Slaters Lane, Suite G‐110, Alexandria, VA 22314‐1177: Water Environment Federation</publisher><subject>aguas residuales ; alabama eu ; alabama eua ; alabama usa ; Applied sciences ; catalysis ; Catalysts ; Chemical oxygen demand ; colorant ; colorantes ; decoloration ; Decolorization ; degradation ; dye ; Dyes ; eau usee ; Exact sciences and technology ; industria textil ; industrie textile ; Other wastewaters ; Oxidation ; photocatalysis ; Pollution ; procede de decoloration ; proceso de decoloracion ; Research Papers ; Slurries ; textile industry ; Textile mill effluents ; Textiles ; titanium dioxide ; Wastewater ; Wastewater treatment ; Wastewaters ; Water treatment and pollution</subject><ispartof>Water environment research, 1994, Vol.66 (1), p.50-53</ispartof><rights>Copyright 1994 The Water Environment Federation (WEF)</rights><rights>1994 Water Environment Federation</rights><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4590-557489835b1ba6e150fcb59ea8fc17bb3063e9d44b5faac04059303c0c2bdff63</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/25044407$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/25044407$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,4024,27923,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3959716$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Davis, Robert J.</creatorcontrib><creatorcontrib>Gainer, John L.</creatorcontrib><creatorcontrib>O'Neal, Gilbert</creatorcontrib><creatorcontrib>Wu, I-Wen</creatorcontrib><title>Photocatalytic decolorization of wastewater dyes</title><title>Water environment research</title><description>The photocatalytic decolorization of municipal wastewater contaminated with textile dyes was studied using a batch reactor. Degussa P25 titanium dioxide was used as the photocatalyst and proved to be effective for dye degradation when irradiated with UV light in the presence of air. In addition to removing the color from the wastewater, the photocatalytic reaction simultaneously reduced the COD which suggests that the dissolved organics had been oxidized. The activation energy for the photocatalytic decolorization reaction was only about 3 to 6 kJ/mole indicating a weak temperature dependence of the rate. These results suggest that the photocatalytic degradation of textile dyes may be a viable method for decolorizing and oxidizing organics in wastewater.</description><subject>aguas residuales</subject><subject>alabama eu</subject><subject>alabama eua</subject><subject>alabama usa</subject><subject>Applied sciences</subject><subject>catalysis</subject><subject>Catalysts</subject><subject>Chemical oxygen demand</subject><subject>colorant</subject><subject>colorantes</subject><subject>decoloration</subject><subject>Decolorization</subject><subject>degradation</subject><subject>dye</subject><subject>Dyes</subject><subject>eau usee</subject><subject>Exact sciences and technology</subject><subject>industria textil</subject><subject>industrie textile</subject><subject>Other wastewaters</subject><subject>Oxidation</subject><subject>photocatalysis</subject><subject>Pollution</subject><subject>procede de decoloration</subject><subject>proceso de decoloracion</subject><subject>Research Papers</subject><subject>Slurries</subject><subject>textile industry</subject><subject>Textile mill effluents</subject><subject>Textiles</subject><subject>titanium dioxide</subject><subject>Wastewater</subject><subject>Wastewater treatment</subject><subject>Wastewaters</subject><subject>Water treatment and pollution</subject><issn>1061-4303</issn><issn>1554-7531</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNqNkMtLxDAQxoso-Lx4V_YgHoSuM00mbY6y-AJB8YHHMM0mWqkbTSrL-tfbpeJRPc3A_L5vvpks20UYF1jS8dzFsVJjHFcr2QYSybwkgat9DwpzKUCsZ5spvQBgUYDcyODmOXTBcsftomvsaOpsaENsPrlrwmwU_GjOqXNz7lwcTRcubWdrntvkdr7rVvZwdno_ucivrs8vJydXuZWkIScqZaUrQTXWrBwSeFuTdlx5i2VdC1DC6amUNXlmCxJI9-ks2KKeeq_EVnY4-L7F8P7hUmdem2Rd2_LMhY9kit5ckJD_AAlBg_gTRFUBUlH24NEA2hhSis6bt9i8clwYBLN8s3k8vTVKGTRVDx98u3Ky3PrIM9ukH4XQpEtcnnM8YPOmdYtfDJctAEGv2BsUL6kL8UdREEgpYZlyf5h7DoafYr_04Q61JoAChCrFFwu8nUs</recordid><startdate>1994</startdate><enddate>1994</enddate><creator>Davis, Robert J.</creator><creator>Gainer, John L.</creator><creator>O'Neal, Gilbert</creator><creator>Wu, I-Wen</creator><general>Water Environment Federation</general><general>Water Environment Research Foundation (WERF)</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TV</scope><scope>7UA</scope><scope>C1K</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>8BQ</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>1994</creationdate><title>Photocatalytic decolorization of wastewater dyes</title><author>Davis, Robert J. ; Gainer, John L. ; O'Neal, Gilbert ; Wu, I-Wen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4590-557489835b1ba6e150fcb59ea8fc17bb3063e9d44b5faac04059303c0c2bdff63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>aguas residuales</topic><topic>alabama eu</topic><topic>alabama eua</topic><topic>alabama usa</topic><topic>Applied sciences</topic><topic>catalysis</topic><topic>Catalysts</topic><topic>Chemical oxygen demand</topic><topic>colorant</topic><topic>colorantes</topic><topic>decoloration</topic><topic>Decolorization</topic><topic>degradation</topic><topic>dye</topic><topic>Dyes</topic><topic>eau usee</topic><topic>Exact sciences and technology</topic><topic>industria textil</topic><topic>industrie textile</topic><topic>Other wastewaters</topic><topic>Oxidation</topic><topic>photocatalysis</topic><topic>Pollution</topic><topic>procede de decoloration</topic><topic>proceso de decoloracion</topic><topic>Research Papers</topic><topic>Slurries</topic><topic>textile industry</topic><topic>Textile mill effluents</topic><topic>Textiles</topic><topic>titanium dioxide</topic><topic>Wastewater</topic><topic>Wastewater treatment</topic><topic>Wastewaters</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Davis, Robert J.</creatorcontrib><creatorcontrib>Gainer, John L.</creatorcontrib><creatorcontrib>O'Neal, Gilbert</creatorcontrib><creatorcontrib>Wu, I-Wen</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>METADEX</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Water environment research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Davis, Robert J.</au><au>Gainer, John L.</au><au>O'Neal, Gilbert</au><au>Wu, I-Wen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photocatalytic decolorization of wastewater dyes</atitle><jtitle>Water environment research</jtitle><date>1994</date><risdate>1994</risdate><volume>66</volume><issue>1</issue><spage>50</spage><epage>53</epage><pages>50-53</pages><issn>1061-4303</issn><eissn>1554-7531</eissn><abstract>The photocatalytic decolorization of municipal wastewater contaminated with textile dyes was studied using a batch reactor. Degussa P25 titanium dioxide was used as the photocatalyst and proved to be effective for dye degradation when irradiated with UV light in the presence of air. In addition to removing the color from the wastewater, the photocatalytic reaction simultaneously reduced the COD which suggests that the dissolved organics had been oxidized. The activation energy for the photocatalytic decolorization reaction was only about 3 to 6 kJ/mole indicating a weak temperature dependence of the rate. These results suggest that the photocatalytic degradation of textile dyes may be a viable method for decolorizing and oxidizing organics in wastewater.</abstract><cop>635 Slaters Lane, Suite G‐110, Alexandria, VA 22314‐1177</cop><pub>Water Environment Federation</pub><doi>10.2175/wer.66.1.8</doi><tpages>4</tpages></addata></record> |
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| ispartof | Water environment research, 1994, Vol.66 (1), p.50-53 |
| issn | 1061-4303 1554-7531 |
| language | eng |
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| source | JSTOR Archive Collection A-Z Listing |
| subjects | aguas residuales alabama eu alabama eua alabama usa Applied sciences catalysis Catalysts Chemical oxygen demand colorant colorantes decoloration Decolorization degradation dye Dyes eau usee Exact sciences and technology industria textil industrie textile Other wastewaters Oxidation photocatalysis Pollution procede de decoloration proceso de decoloracion Research Papers Slurries textile industry Textile mill effluents Textiles titanium dioxide Wastewater Wastewater treatment Wastewaters Water treatment and pollution |
| title | Photocatalytic decolorization of wastewater dyes |
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