Effects of chloride ion on degradation of Acid Orange 7 by sulfate radical-based advanced oxidation process: Implications for formation of chlorinated aromatic compounds
► A dual effect of Cl − on Acid Orange 7 degradation in Co/PMS systems was observed. ► High concentrations of Cl − (>5 mM) did greatly inhibit dye mineralization. ► Some refractory chlorinated byproducts were identified by GC–MS measurement. ► Two possible ( SO 4 − radical-based and non-radical)...
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| creator | Yuan, Ruixia Ramjaun, Sadiqua N. Wang, Zhaohui Liu, Jianshe |
| description | ► A dual effect of Cl
− on Acid Orange 7 degradation in Co/PMS systems was observed. ► High concentrations of Cl
− (>5
mM) did greatly inhibit dye mineralization. ► Some refractory chlorinated byproducts were identified by GC–MS measurement. ► Two possible (
SO
4
−
radical-based and non-radical) reaction pathways were proposed.
Sodium chloride is a common salt used during textile wet processes. Here a dual effect of chloride (i.e. inhibitory and accelerating effect) on azo dye (Acid Orange 7, AO7) degradation in an emerging cobalt/peroxymonosulfate (Co/PMS) advanced oxidation process (AOP) was reported. Compared to
OH-based AOPs, high concentrations of chloride (>5
mM) can significantly enhance dye decoloration independent of the presence of the Co
2+ catalyst, but did greatly inhibit dye mineralization to an extent which was closely dependent upon the chloride content. Both UV–vis absorbance spectra and AOX determination indicated the formation of some refractory byproducts. Some chlorinated aromatic compounds, including 3-chloroisocoumain, 2-chloro-7-hydroxynaphthalene, 1,3,5-trichloro-2-nitrobenzene and tetrachlorohydroquione, were identified by GC–MS measurement in both Co/PMS/Cl
− and PMS/Cl
− reaction systems. Based on those experimental results, two possible branched (
SO
4
−
radical-based and non-radical) reaction pathways are proposed. This is one of the very few studies dealing with chlorinated organic intermediates formed via chlorine radical/active chlorine species (HOCl/Cl
2) attack on dye compounds. Therefore, this finding may have significant technical implications for utilizing Co/PMS regent to detoxify chloride-rich azo dyes wastewater. |
| doi_str_mv | 10.1016/j.jhazmat.2011.09.007 |
| format | Article |
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− on Acid Orange 7 degradation in Co/PMS systems was observed. ► High concentrations of Cl
− (>5
mM) did greatly inhibit dye mineralization. ► Some refractory chlorinated byproducts were identified by GC–MS measurement. ► Two possible (
SO
4
−
radical-based and non-radical) reaction pathways were proposed.
Sodium chloride is a common salt used during textile wet processes. Here a dual effect of chloride (i.e. inhibitory and accelerating effect) on azo dye (Acid Orange 7, AO7) degradation in an emerging cobalt/peroxymonosulfate (Co/PMS) advanced oxidation process (AOP) was reported. Compared to
OH-based AOPs, high concentrations of chloride (>5
mM) can significantly enhance dye decoloration independent of the presence of the Co
2+ catalyst, but did greatly inhibit dye mineralization to an extent which was closely dependent upon the chloride content. Both UV–vis absorbance spectra and AOX determination indicated the formation of some refractory byproducts. Some chlorinated aromatic compounds, including 3-chloroisocoumain, 2-chloro-7-hydroxynaphthalene, 1,3,5-trichloro-2-nitrobenzene and tetrachlorohydroquione, were identified by GC–MS measurement in both Co/PMS/Cl
− and PMS/Cl
− reaction systems. Based on those experimental results, two possible branched (
SO
4
−
radical-based and non-radical) reaction pathways are proposed. This is one of the very few studies dealing with chlorinated organic intermediates formed via chlorine radical/active chlorine species (HOCl/Cl
2) attack on dye compounds. Therefore, this finding may have significant technical implications for utilizing Co/PMS regent to detoxify chloride-rich azo dyes wastewater.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2011.09.007</identifier><identifier>PMID: 21968121</identifier><identifier>CODEN: JHMAD9</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>absorbance ; AOX formation ; Applied sciences ; Aromatic compounds ; Azo Compounds - isolation & purification ; Azo dyes ; Benzenesulfonates - isolation & purification ; byproducts ; Catalysis ; catalysts ; Catalytic reactions ; Chemical engineering ; Chemistry ; Chlorides ; Chlorinated aromatic compounds ; Chlorination ; chlorine ; cobalt ; Decoloration ; decolorization ; Degradation ; Dyes ; Exact sciences and technology ; Free Radicals ; gas chromatography ; Gas Chromatography-Mass Spectrometry ; General and physical chemistry ; General purification processes ; Hydrocarbons, Aromatic - analysis ; Hydrocarbons, Chlorinated - analysis ; mass spectrometry ; mineralization ; Molecular Structure ; Oxidation ; Oxidation-Reduction ; Pollution ; Reactors ; Sodium chloride ; Sodium Chloride - chemistry ; Sulfate radicals ; Sulfates - chemistry ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry ; wastewater ; Wastewaters ; Water Pollutants, Chemical - isolation & purification ; Water Purification - methods ; Water treatment and pollution</subject><ispartof>Journal of hazardous materials, 2011-11, Vol.196, p.173-179</ispartof><rights>2011 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c483t-ea9fd0c26f0832a791e32c10a4359618c558539b15e073ca547e91f259a24fa93</citedby><cites>FETCH-LOGICAL-c483t-ea9fd0c26f0832a791e32c10a4359618c558539b15e073ca547e91f259a24fa93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304389411011071$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24791009$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21968121$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yuan, Ruixia</creatorcontrib><creatorcontrib>Ramjaun, Sadiqua N.</creatorcontrib><creatorcontrib>Wang, Zhaohui</creatorcontrib><creatorcontrib>Liu, Jianshe</creatorcontrib><title>Effects of chloride ion on degradation of Acid Orange 7 by sulfate radical-based advanced oxidation process: Implications for formation of chlorinated aromatic compounds</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>► A dual effect of Cl
− on Acid Orange 7 degradation in Co/PMS systems was observed. ► High concentrations of Cl
− (>5
mM) did greatly inhibit dye mineralization. ► Some refractory chlorinated byproducts were identified by GC–MS measurement. ► Two possible (
SO
4
−
radical-based and non-radical) reaction pathways were proposed.
Sodium chloride is a common salt used during textile wet processes. Here a dual effect of chloride (i.e. inhibitory and accelerating effect) on azo dye (Acid Orange 7, AO7) degradation in an emerging cobalt/peroxymonosulfate (Co/PMS) advanced oxidation process (AOP) was reported. Compared to
OH-based AOPs, high concentrations of chloride (>5
mM) can significantly enhance dye decoloration independent of the presence of the Co
2+ catalyst, but did greatly inhibit dye mineralization to an extent which was closely dependent upon the chloride content. Both UV–vis absorbance spectra and AOX determination indicated the formation of some refractory byproducts. Some chlorinated aromatic compounds, including 3-chloroisocoumain, 2-chloro-7-hydroxynaphthalene, 1,3,5-trichloro-2-nitrobenzene and tetrachlorohydroquione, were identified by GC–MS measurement in both Co/PMS/Cl
− and PMS/Cl
− reaction systems. Based on those experimental results, two possible branched (
SO
4
−
radical-based and non-radical) reaction pathways are proposed. This is one of the very few studies dealing with chlorinated organic intermediates formed via chlorine radical/active chlorine species (HOCl/Cl
2) attack on dye compounds. Therefore, this finding may have significant technical implications for utilizing Co/PMS regent to detoxify chloride-rich azo dyes wastewater.</description><subject>absorbance</subject><subject>AOX formation</subject><subject>Applied sciences</subject><subject>Aromatic compounds</subject><subject>Azo Compounds - isolation & purification</subject><subject>Azo dyes</subject><subject>Benzenesulfonates - isolation & purification</subject><subject>byproducts</subject><subject>Catalysis</subject><subject>catalysts</subject><subject>Catalytic reactions</subject><subject>Chemical engineering</subject><subject>Chemistry</subject><subject>Chlorides</subject><subject>Chlorinated aromatic compounds</subject><subject>Chlorination</subject><subject>chlorine</subject><subject>cobalt</subject><subject>Decoloration</subject><subject>decolorization</subject><subject>Degradation</subject><subject>Dyes</subject><subject>Exact sciences and technology</subject><subject>Free Radicals</subject><subject>gas chromatography</subject><subject>Gas Chromatography-Mass Spectrometry</subject><subject>General and physical chemistry</subject><subject>General purification processes</subject><subject>Hydrocarbons, Aromatic - analysis</subject><subject>Hydrocarbons, Chlorinated - analysis</subject><subject>mass spectrometry</subject><subject>mineralization</subject><subject>Molecular Structure</subject><subject>Oxidation</subject><subject>Oxidation-Reduction</subject><subject>Pollution</subject><subject>Reactors</subject><subject>Sodium chloride</subject><subject>Sodium Chloride - chemistry</subject><subject>Sulfate radicals</subject><subject>Sulfates - chemistry</subject><subject>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><subject>wastewater</subject><subject>Wastewaters</subject><subject>Water Pollutants, Chemical - isolation & purification</subject><subject>Water Purification - methods</subject><subject>Water treatment and pollution</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>eNqFkstu1DAUQCMEokPhEwBvEGwy3Gs7D7NBVVWgUqUuoGvrjmNPPUriwc5UtH_Uv8RhhrKjkiM78bmP-LgoXiMsEbD-uFluruluoGnJAXEJagnQPCkW2DaiFELUT4sFCJClaJU8Kl6ktAEAbCr5vDjiqOoWOS6K-zPnrJkSC46Z6z5E31nmw8jy6Ow6UkfTn1fHTozv2GWkcW1Zw1a3LO16R5NlGfKG-nJFyXaMuhsaTV6EX_4QvI3B2JQ-sfNh22d0_piYC3F-hocC-_pjTpmzxDBvGGbCsA27sUsvi2eO-mRfHebj4urL2Y_Tb-XF5dfz05OL0shWTKUl5TowvHbQCk6NQiu4QSApKlVja6qqrYRaYWWhEYYq2ViFjleKuHSkxHHxfp83d_1zZ9OkB5-M7XsabdglrRCxhpbzx0ngdcMbOZMf_kti00BuDxEyWu1RE0NK0Tq9jX6geKsR9Gxeb_TBvJ7Na1A6m89xbw4ldqvBdg9Rf1Vn4N0BoJRtuSzS-PSPk_moAOb_f7vnHAVN65iZq--5UpVvj5IKZCY-7wmbNdx4G3Uy3s7Ofcx3SXfBP9Lsb22o2ZU</recordid><startdate>20111130</startdate><enddate>20111130</enddate><creator>Yuan, Ruixia</creator><creator>Ramjaun, Sadiqua N.</creator><creator>Wang, Zhaohui</creator><creator>Liu, Jianshe</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</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>7SU</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>7X8</scope><scope>7ST</scope><scope>7U7</scope><scope>SOI</scope></search><sort><creationdate>20111130</creationdate><title>Effects of chloride ion on degradation of Acid Orange 7 by sulfate radical-based advanced oxidation process: Implications for formation of chlorinated aromatic compounds</title><author>Yuan, Ruixia ; Ramjaun, Sadiqua N. ; Wang, Zhaohui ; Liu, Jianshe</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c483t-ea9fd0c26f0832a791e32c10a4359618c558539b15e073ca547e91f259a24fa93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>absorbance</topic><topic>AOX formation</topic><topic>Applied sciences</topic><topic>Aromatic compounds</topic><topic>Azo Compounds - isolation & purification</topic><topic>Azo dyes</topic><topic>Benzenesulfonates - isolation & purification</topic><topic>byproducts</topic><topic>Catalysis</topic><topic>catalysts</topic><topic>Catalytic reactions</topic><topic>Chemical engineering</topic><topic>Chemistry</topic><topic>Chlorides</topic><topic>Chlorinated aromatic compounds</topic><topic>Chlorination</topic><topic>chlorine</topic><topic>cobalt</topic><topic>Decoloration</topic><topic>decolorization</topic><topic>Degradation</topic><topic>Dyes</topic><topic>Exact sciences and technology</topic><topic>Free Radicals</topic><topic>gas chromatography</topic><topic>Gas Chromatography-Mass Spectrometry</topic><topic>General and physical chemistry</topic><topic>General purification processes</topic><topic>Hydrocarbons, Aromatic - analysis</topic><topic>Hydrocarbons, Chlorinated - analysis</topic><topic>mass spectrometry</topic><topic>mineralization</topic><topic>Molecular Structure</topic><topic>Oxidation</topic><topic>Oxidation-Reduction</topic><topic>Pollution</topic><topic>Reactors</topic><topic>Sodium chloride</topic><topic>Sodium Chloride - chemistry</topic><topic>Sulfate radicals</topic><topic>Sulfates - chemistry</topic><topic>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><topic>wastewater</topic><topic>Wastewaters</topic><topic>Water Pollutants, Chemical - isolation & purification</topic><topic>Water Purification - methods</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yuan, Ruixia</creatorcontrib><creatorcontrib>Ramjaun, Sadiqua N.</creatorcontrib><creatorcontrib>Wang, Zhaohui</creatorcontrib><creatorcontrib>Liu, Jianshe</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</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>Environmental Engineering 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>MEDLINE - Academic</collection><collection>Environment Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yuan, Ruixia</au><au>Ramjaun, Sadiqua N.</au><au>Wang, Zhaohui</au><au>Liu, Jianshe</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of chloride ion on degradation of Acid Orange 7 by sulfate radical-based advanced oxidation process: Implications for formation of chlorinated aromatic compounds</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2011-11-30</date><risdate>2011</risdate><volume>196</volume><spage>173</spage><epage>179</epage><pages>173-179</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><coden>JHMAD9</coden><abstract>► A dual effect of Cl
− on Acid Orange 7 degradation in Co/PMS systems was observed. ► High concentrations of Cl
− (>5
mM) did greatly inhibit dye mineralization. ► Some refractory chlorinated byproducts were identified by GC–MS measurement. ► Two possible (
SO
4
−
radical-based and non-radical) reaction pathways were proposed.
Sodium chloride is a common salt used during textile wet processes. Here a dual effect of chloride (i.e. inhibitory and accelerating effect) on azo dye (Acid Orange 7, AO7) degradation in an emerging cobalt/peroxymonosulfate (Co/PMS) advanced oxidation process (AOP) was reported. Compared to
OH-based AOPs, high concentrations of chloride (>5
mM) can significantly enhance dye decoloration independent of the presence of the Co
2+ catalyst, but did greatly inhibit dye mineralization to an extent which was closely dependent upon the chloride content. Both UV–vis absorbance spectra and AOX determination indicated the formation of some refractory byproducts. Some chlorinated aromatic compounds, including 3-chloroisocoumain, 2-chloro-7-hydroxynaphthalene, 1,3,5-trichloro-2-nitrobenzene and tetrachlorohydroquione, were identified by GC–MS measurement in both Co/PMS/Cl
− and PMS/Cl
− reaction systems. Based on those experimental results, two possible branched (
SO
4
−
radical-based and non-radical) reaction pathways are proposed. This is one of the very few studies dealing with chlorinated organic intermediates formed via chlorine radical/active chlorine species (HOCl/Cl
2) attack on dye compounds. Therefore, this finding may have significant technical implications for utilizing Co/PMS regent to detoxify chloride-rich azo dyes wastewater.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><pmid>21968121</pmid><doi>10.1016/j.jhazmat.2011.09.007</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0304-3894 |
| ispartof | Journal of hazardous materials, 2011-11, Vol.196, p.173-179 |
| issn | 0304-3894 1873-3336 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_911160822 |
| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | absorbance AOX formation Applied sciences Aromatic compounds Azo Compounds - isolation & purification Azo dyes Benzenesulfonates - isolation & purification byproducts Catalysis catalysts Catalytic reactions Chemical engineering Chemistry Chlorides Chlorinated aromatic compounds Chlorination chlorine cobalt Decoloration decolorization Degradation Dyes Exact sciences and technology Free Radicals gas chromatography Gas Chromatography-Mass Spectrometry General and physical chemistry General purification processes Hydrocarbons, Aromatic - analysis Hydrocarbons, Chlorinated - analysis mass spectrometry mineralization Molecular Structure Oxidation Oxidation-Reduction Pollution Reactors Sodium chloride Sodium Chloride - chemistry Sulfate radicals Sulfates - chemistry Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry wastewater Wastewaters Water Pollutants, Chemical - isolation & purification Water Purification - methods Water treatment and pollution |
| title | Effects of chloride ion on degradation of Acid Orange 7 by sulfate radical-based advanced oxidation process: Implications for formation of chlorinated aromatic compounds |
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