Degradation and decolorization of a biodegradable-resistant polymeric dye by chelator-mediated Fenton reactions
Chelator-mediated Fenton reactions (CMFRs) were used to decolorize a biodegradable-resistant polymeric dye (Poly R-478). Screening of different iron chelators was performed on Fe 3+-reduction activity. All chelators showed Fe 3+-reduction activity over a wide range of pH (2–7) and each mol of catech...
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| Veröffentlicht in: | Chemosphere (Oxford) 2006-06, Vol.63 (10), p.1764-1772 |
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| creator | Arantes, Valdeir Baldocchi, Carolina Milagres, Adriane Maria Ferreira |
| description | Chelator-mediated Fenton reactions (CMFRs) were used to decolorize a biodegradable-resistant polymeric dye (Poly R-478). Screening of different iron chelators was performed on Fe
3+-reduction activity. All chelators showed Fe
3+-reduction activity over a wide range of pH (2–7) and each mol of catecholate chelators (3,4-dihydroxiphenilacetic acid—DOPAC and 2,3-dihydroxibenzoic acid—DHBA) reduced about 5–6
moles of Fe
3+ whereas hydroxamate chelators (acetohydroxamic acid—AHA and desferrioxamine B—DFB) reduced Fe
3+ stoichiometrically. The most effective decolorization of Poly R-478 was achieved by CMFR using catecholate chelators. In addition, a 2
4 factorial design was performed with the aim of evaluating the effects of the variables considered in this study (pH, [DOPAC], [Fe
3+] and [H
2O
2]) and optimizing the dye decolorization, using response surface methodology. Statistical analysis of results showed that, in the range studied, except for Fe
3+, all variables have a significant effect on dye decolorization. A second-order model is proposed to represent the Poly R-478 decolorization. At optimum conditions, complete decolorization of the dye (degradation of the chromophoric group) and also complete chemical degradation of the dye was observed. |
| doi_str_mv | 10.1016/j.chemosphere.2005.09.038 |
| format | Article |
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3+-reduction activity. All chelators showed Fe
3+-reduction activity over a wide range of pH (2–7) and each mol of catecholate chelators (3,4-dihydroxiphenilacetic acid—DOPAC and 2,3-dihydroxibenzoic acid—DHBA) reduced about 5–6
moles of Fe
3+ whereas hydroxamate chelators (acetohydroxamic acid—AHA and desferrioxamine B—DFB) reduced Fe
3+ stoichiometrically. The most effective decolorization of Poly R-478 was achieved by CMFR using catecholate chelators. In addition, a 2
4 factorial design was performed with the aim of evaluating the effects of the variables considered in this study (pH, [DOPAC], [Fe
3+] and [H
2O
2]) and optimizing the dye decolorization, using response surface methodology. Statistical analysis of results showed that, in the range studied, except for Fe
3+, all variables have a significant effect on dye decolorization. A second-order model is proposed to represent the Poly R-478 decolorization. At optimum conditions, complete decolorization of the dye (degradation of the chromophoric group) and also complete chemical degradation of the dye was observed.</description><identifier>ISSN: 0045-6535</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/j.chemosphere.2005.09.038</identifier><identifier>PMID: 16289212</identifier><identifier>CODEN: CMSHAF</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>3,4-Dihydroxyphenylacetic Acid - chemistry ; Anthraquinones - chemistry ; Applied sciences ; Chelating Agents - chemistry ; Chelator-mediated Fenton reaction ; Coloring Agents - chemistry ; Dye decolorization ; Exact sciences and technology ; Hydrogen Peroxide - chemistry ; Industrial Waste ; Industrial wastewaters ; Iron - chemistry ; Iron chelators ; Oxidants - chemistry ; Pollution ; Poly R-478 ; Polymers - chemistry ; Response surface methodology ; Waste Disposal, Fluid - methods ; Wastewaters ; Water Pollutants, Chemical ; Water Purification - methods ; Water treatment and pollution</subject><ispartof>Chemosphere (Oxford), 2006-06, Vol.63 (10), p.1764-1772</ispartof><rights>2005 Elsevier Ltd</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c467t-2901f6c84f096ce68c4585501984f26f4f18db565e91458e971930f0d85ea38c3</citedby><cites>FETCH-LOGICAL-c467t-2901f6c84f096ce68c4585501984f26f4f18db565e91458e971930f0d85ea38c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0045653505011240$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17821107$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16289212$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Arantes, Valdeir</creatorcontrib><creatorcontrib>Baldocchi, Carolina</creatorcontrib><creatorcontrib>Milagres, Adriane Maria Ferreira</creatorcontrib><title>Degradation and decolorization of a biodegradable-resistant polymeric dye by chelator-mediated Fenton reactions</title><title>Chemosphere (Oxford)</title><addtitle>Chemosphere</addtitle><description>Chelator-mediated Fenton reactions (CMFRs) were used to decolorize a biodegradable-resistant polymeric dye (Poly R-478). Screening of different iron chelators was performed on Fe
3+-reduction activity. All chelators showed Fe
3+-reduction activity over a wide range of pH (2–7) and each mol of catecholate chelators (3,4-dihydroxiphenilacetic acid—DOPAC and 2,3-dihydroxibenzoic acid—DHBA) reduced about 5–6
moles of Fe
3+ whereas hydroxamate chelators (acetohydroxamic acid—AHA and desferrioxamine B—DFB) reduced Fe
3+ stoichiometrically. The most effective decolorization of Poly R-478 was achieved by CMFR using catecholate chelators. In addition, a 2
4 factorial design was performed with the aim of evaluating the effects of the variables considered in this study (pH, [DOPAC], [Fe
3+] and [H
2O
2]) and optimizing the dye decolorization, using response surface methodology. Statistical analysis of results showed that, in the range studied, except for Fe
3+, all variables have a significant effect on dye decolorization. A second-order model is proposed to represent the Poly R-478 decolorization. At optimum conditions, complete decolorization of the dye (degradation of the chromophoric group) and also complete chemical degradation of the dye was observed.</description><subject>3,4-Dihydroxyphenylacetic Acid - chemistry</subject><subject>Anthraquinones - chemistry</subject><subject>Applied sciences</subject><subject>Chelating Agents - chemistry</subject><subject>Chelator-mediated Fenton reaction</subject><subject>Coloring Agents - chemistry</subject><subject>Dye decolorization</subject><subject>Exact sciences and technology</subject><subject>Hydrogen Peroxide - chemistry</subject><subject>Industrial Waste</subject><subject>Industrial wastewaters</subject><subject>Iron - chemistry</subject><subject>Iron chelators</subject><subject>Oxidants - chemistry</subject><subject>Pollution</subject><subject>Poly R-478</subject><subject>Polymers - chemistry</subject><subject>Response surface methodology</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Wastewaters</subject><subject>Water Pollutants, Chemical</subject><subject>Water Purification - methods</subject><subject>Water treatment and pollution</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUFv1DAQhS1ERZfCX0DmALcETxI79hFtKUWqxKU9W449oV4l8WJ7kZZfX6-yUrnRk6Xx996M3iPkI7AaGIgvu9o-4hzS_hEj1g1jvGaqZq18RTYge1VBo-RrsmGs45XgLb8kb1PaMVbEXL0hlyAaqRpoNiRc469onMk-LNQsjjq0YQrR_11HYaSGDj64FRsmrCImn7JZMt2H6Thj9Ja6I9LhSMtZk8khVjM6bzI6eoNLLjYRjT35pXfkYjRTwvfn94o83Hy7395Wdz-__9h-vatsJ_pcNYrBKKzsRqaERSFtxyXnDFQZNWLsRpBu4IKjgvKDqgfVspE5ydG00rZX5PPqu4_h9wFT1rNPFqfJLBgOSYPqBEjV_h_segnAT6BaQRtDShFHvY9-NvGogelTLXqn_6lFn2rRTOlSS9F-OC85DCWaZ-W5hwJ8OgMmWTON0SzWp2eulw0A6wu3XTks2f3xGHWyHhdb4o5os3bBv-CcJ9szspo</recordid><startdate>20060601</startdate><enddate>20060601</enddate><creator>Arantes, Valdeir</creator><creator>Baldocchi, Carolina</creator><creator>Milagres, Adriane Maria Ferreira</creator><general>Elsevier Ltd</general><general>Elsevier</general><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>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7QO</scope><scope>7TV</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20060601</creationdate><title>Degradation and decolorization of a biodegradable-resistant polymeric dye by chelator-mediated Fenton reactions</title><author>Arantes, Valdeir ; Baldocchi, Carolina ; Milagres, Adriane Maria Ferreira</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c467t-2901f6c84f096ce68c4585501984f26f4f18db565e91458e971930f0d85ea38c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>3,4-Dihydroxyphenylacetic Acid - chemistry</topic><topic>Anthraquinones - chemistry</topic><topic>Applied sciences</topic><topic>Chelating Agents - chemistry</topic><topic>Chelator-mediated Fenton reaction</topic><topic>Coloring Agents - chemistry</topic><topic>Dye decolorization</topic><topic>Exact sciences and technology</topic><topic>Hydrogen Peroxide - chemistry</topic><topic>Industrial Waste</topic><topic>Industrial wastewaters</topic><topic>Iron - chemistry</topic><topic>Iron chelators</topic><topic>Oxidants - chemistry</topic><topic>Pollution</topic><topic>Poly R-478</topic><topic>Polymers - chemistry</topic><topic>Response surface methodology</topic><topic>Waste Disposal, Fluid - methods</topic><topic>Wastewaters</topic><topic>Water Pollutants, Chemical</topic><topic>Water Purification - methods</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Arantes, Valdeir</creatorcontrib><creatorcontrib>Baldocchi, Carolina</creatorcontrib><creatorcontrib>Milagres, Adriane Maria Ferreira</creatorcontrib><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>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Pollution Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Arantes, Valdeir</au><au>Baldocchi, Carolina</au><au>Milagres, Adriane Maria Ferreira</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Degradation and decolorization of a biodegradable-resistant polymeric dye by chelator-mediated Fenton reactions</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2006-06-01</date><risdate>2006</risdate><volume>63</volume><issue>10</issue><spage>1764</spage><epage>1772</epage><pages>1764-1772</pages><issn>0045-6535</issn><eissn>1879-1298</eissn><coden>CMSHAF</coden><abstract>Chelator-mediated Fenton reactions (CMFRs) were used to decolorize a biodegradable-resistant polymeric dye (Poly R-478). Screening of different iron chelators was performed on Fe
3+-reduction activity. All chelators showed Fe
3+-reduction activity over a wide range of pH (2–7) and each mol of catecholate chelators (3,4-dihydroxiphenilacetic acid—DOPAC and 2,3-dihydroxibenzoic acid—DHBA) reduced about 5–6
moles of Fe
3+ whereas hydroxamate chelators (acetohydroxamic acid—AHA and desferrioxamine B—DFB) reduced Fe
3+ stoichiometrically. The most effective decolorization of Poly R-478 was achieved by CMFR using catecholate chelators. In addition, a 2
4 factorial design was performed with the aim of evaluating the effects of the variables considered in this study (pH, [DOPAC], [Fe
3+] and [H
2O
2]) and optimizing the dye decolorization, using response surface methodology. Statistical analysis of results showed that, in the range studied, except for Fe
3+, all variables have a significant effect on dye decolorization. A second-order model is proposed to represent the Poly R-478 decolorization. At optimum conditions, complete decolorization of the dye (degradation of the chromophoric group) and also complete chemical degradation of the dye was observed.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>16289212</pmid><doi>10.1016/j.chemosphere.2005.09.038</doi><tpages>9</tpages></addata></record> |
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| ispartof | Chemosphere (Oxford), 2006-06, Vol.63 (10), p.1764-1772 |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | 3,4-Dihydroxyphenylacetic Acid - chemistry Anthraquinones - chemistry Applied sciences Chelating Agents - chemistry Chelator-mediated Fenton reaction Coloring Agents - chemistry Dye decolorization Exact sciences and technology Hydrogen Peroxide - chemistry Industrial Waste Industrial wastewaters Iron - chemistry Iron chelators Oxidants - chemistry Pollution Poly R-478 Polymers - chemistry Response surface methodology Waste Disposal, Fluid - methods Wastewaters Water Pollutants, Chemical Water Purification - methods Water treatment and pollution |
| title | Degradation and decolorization of a biodegradable-resistant polymeric dye by chelator-mediated Fenton reactions |
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