Characteristics of p-chlorophenol degradation by Photo Fenton oxidation
This study investigated the characteristics of Photo Fenton oxidation in comparison with Fenton oxidation in dark environments. The specific objective was to provide an in-depth understanding as to how the presence of UV would effect the reaction and its efficiency as compared to the Dark Fenton Oxi...
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| Veröffentlicht in: | Water science and technology 2000-01, Vol.42 (3-4), p.219-224 |
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| creator | YOON, J KIM, S LEE, D. S HUH, J |
| description | This study investigated the characteristics of Photo Fenton oxidation in comparison with Fenton oxidation in dark environments. The specific objective was to provide an in-depth understanding as to how the presence of UV would effect the reaction and its efficiency as compared to the Dark Fenton Oxidation. All reactions were carried out in batch mode at an initial pH of 3.5, with H2O2 in excess and iron in catalytic concentrations. The medium pressure mercury lamp (320-400 nm) was used as a UV source. The role of UV in Photo Fenton Oxidation of p-chlorophenol was found to be manyfold as compared to Dark Fenton Oxidation. It included the expedition of ferric ion reduction and the photolysis of H2O2, which exerted a direct impact on the p-chlorophenol degradation kinetics by enhancing the production of OH radical. Also included in the role was alteration of the quantity (and potentially quality) of intermediates, which would lead to a change in the decomposition kinetics in an indirect manner. Therefore, it was concluded that the performance of Photo Fenton Oxidation as compared to Dark Fenton Oxidation could vary in complicated ways depending upon the characteristics of target compounds and their intermediates. |
| doi_str_mv | 10.2166/wst.2000.0383 |
| format | Article |
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S ; HUH, J</creator><contributor>Ouyang, C ; Cheng, S ; Lo, S ; Tseng, D</contributor><creatorcontrib>YOON, J ; KIM, S ; LEE, D. S ; HUH, J ; Ouyang, C ; Cheng, S ; Lo, S ; Tseng, D</creatorcontrib><description>This study investigated the characteristics of Photo Fenton oxidation in comparison with Fenton oxidation in dark environments. The specific objective was to provide an in-depth understanding as to how the presence of UV would effect the reaction and its efficiency as compared to the Dark Fenton Oxidation. All reactions were carried out in batch mode at an initial pH of 3.5, with H2O2 in excess and iron in catalytic concentrations. The medium pressure mercury lamp (320-400 nm) was used as a UV source. The role of UV in Photo Fenton Oxidation of p-chlorophenol was found to be manyfold as compared to Dark Fenton Oxidation. It included the expedition of ferric ion reduction and the photolysis of H2O2, which exerted a direct impact on the p-chlorophenol degradation kinetics by enhancing the production of OH radical. Also included in the role was alteration of the quantity (and potentially quality) of intermediates, which would lead to a change in the decomposition kinetics in an indirect manner. Therefore, it was concluded that the performance of Photo Fenton Oxidation as compared to Dark Fenton Oxidation could vary in complicated ways depending upon the characteristics of target compounds and their intermediates.</description><identifier>ISSN: 0273-1223</identifier><identifier>ISBN: 1900222442</identifier><identifier>ISBN: 9781900222440</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2000.0383</identifier><identifier>CODEN: WSTED4</identifier><language>eng</language><publisher>Oxford: Pergamon Press</publisher><subject>Applied sciences ; Catalysis ; Chlorophenol ; Degradation ; Exact sciences and technology ; Expeditions ; Hydrogen peroxide ; Industrial wastewaters ; Intermediates ; Kinetics ; Mercury ; Mercury (metal) ; Mercury lamps ; Oxidation ; p-Chlorophenol ; Photolysis ; Pollution ; Reaction kinetics ; Ultraviolet radiation ; Wastewaters ; Water treatment and pollution</subject><ispartof>Water science and technology, 2000-01, Vol.42 (3-4), p.219-224</ispartof><rights>2001 INIST-CNRS</rights><rights>Copyright IWA Publishing Aug 2000</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c322t-cbbb52cd071a33a688a8630ea9252f6f4396ece53c9a74fc9c17cf2dbde3eb183</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>309,310,314,776,780,785,786,23909,23910,25118,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=779495$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><contributor>Ouyang, C</contributor><contributor>Cheng, S</contributor><contributor>Lo, S</contributor><contributor>Tseng, D</contributor><creatorcontrib>YOON, J</creatorcontrib><creatorcontrib>KIM, S</creatorcontrib><creatorcontrib>LEE, D. S</creatorcontrib><creatorcontrib>HUH, J</creatorcontrib><title>Characteristics of p-chlorophenol degradation by Photo Fenton oxidation</title><title>Water science and technology</title><description>This study investigated the characteristics of Photo Fenton oxidation in comparison with Fenton oxidation in dark environments. The specific objective was to provide an in-depth understanding as to how the presence of UV would effect the reaction and its efficiency as compared to the Dark Fenton Oxidation. All reactions were carried out in batch mode at an initial pH of 3.5, with H2O2 in excess and iron in catalytic concentrations. The medium pressure mercury lamp (320-400 nm) was used as a UV source. The role of UV in Photo Fenton Oxidation of p-chlorophenol was found to be manyfold as compared to Dark Fenton Oxidation. It included the expedition of ferric ion reduction and the photolysis of H2O2, which exerted a direct impact on the p-chlorophenol degradation kinetics by enhancing the production of OH radical. Also included in the role was alteration of the quantity (and potentially quality) of intermediates, which would lead to a change in the decomposition kinetics in an indirect manner. 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S ; HUH, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c322t-cbbb52cd071a33a688a8630ea9252f6f4396ece53c9a74fc9c17cf2dbde3eb183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>Catalysis</topic><topic>Chlorophenol</topic><topic>Degradation</topic><topic>Exact sciences and technology</topic><topic>Expeditions</topic><topic>Hydrogen peroxide</topic><topic>Industrial wastewaters</topic><topic>Intermediates</topic><topic>Kinetics</topic><topic>Mercury</topic><topic>Mercury (metal)</topic><topic>Mercury lamps</topic><topic>Oxidation</topic><topic>p-Chlorophenol</topic><topic>Photolysis</topic><topic>Pollution</topic><topic>Reaction kinetics</topic><topic>Ultraviolet radiation</topic><topic>Wastewaters</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>YOON, J</creatorcontrib><creatorcontrib>KIM, S</creatorcontrib><creatorcontrib>LEE, D. 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S</au><au>HUH, J</au><au>Ouyang, C</au><au>Cheng, S</au><au>Lo, S</au><au>Tseng, D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characteristics of p-chlorophenol degradation by Photo Fenton oxidation</atitle><jtitle>Water science and technology</jtitle><date>2000-01-01</date><risdate>2000</risdate><volume>42</volume><issue>3-4</issue><spage>219</spage><epage>224</epage><pages>219-224</pages><issn>0273-1223</issn><eissn>1996-9732</eissn><isbn>1900222442</isbn><isbn>9781900222440</isbn><coden>WSTED4</coden><abstract>This study investigated the characteristics of Photo Fenton oxidation in comparison with Fenton oxidation in dark environments. The specific objective was to provide an in-depth understanding as to how the presence of UV would effect the reaction and its efficiency as compared to the Dark Fenton Oxidation. All reactions were carried out in batch mode at an initial pH of 3.5, with H2O2 in excess and iron in catalytic concentrations. The medium pressure mercury lamp (320-400 nm) was used as a UV source. The role of UV in Photo Fenton Oxidation of p-chlorophenol was found to be manyfold as compared to Dark Fenton Oxidation. It included the expedition of ferric ion reduction and the photolysis of H2O2, which exerted a direct impact on the p-chlorophenol degradation kinetics by enhancing the production of OH radical. Also included in the role was alteration of the quantity (and potentially quality) of intermediates, which would lead to a change in the decomposition kinetics in an indirect manner. Therefore, it was concluded that the performance of Photo Fenton Oxidation as compared to Dark Fenton Oxidation could vary in complicated ways depending upon the characteristics of target compounds and their intermediates.</abstract><cop>Oxford</cop><pub>Pergamon Press</pub><doi>10.2166/wst.2000.0383</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2000-01, Vol.42 (3-4), p.219-224 |
| issn | 0273-1223 1996-9732 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_17782130 |
| source | EZB-FREE-00999 freely available EZB journals |
| subjects | Applied sciences Catalysis Chlorophenol Degradation Exact sciences and technology Expeditions Hydrogen peroxide Industrial wastewaters Intermediates Kinetics Mercury Mercury (metal) Mercury lamps Oxidation p-Chlorophenol Photolysis Pollution Reaction kinetics Ultraviolet radiation Wastewaters Water treatment and pollution |
| title | Characteristics of p-chlorophenol degradation by Photo Fenton oxidation |
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