Electrochemically Enhanced Removal of Polycyclic Aromatic Basic Dyes from Dilute Aqueous Solutions by Activated Carbon Cloth Electrodes
Open-circuit (OC) adsorption and electrosorption behaviors of three polycyclic aromatic dyes from dilute aqueous solutions onto activated carbon cloth (ACC) were investigated. The selected dyes were crystal violet (BB-3), basic blue7 (BB-7), and basic blue11 (BB-11). OC adsorption and electrosorptio...
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| Veröffentlicht in: | Environmental science & technology 2010-08, Vol.44 (16), p.6331-6336 |
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| creator | Bayram, Edip Ayranci, Erol |
| description | Open-circuit (OC) adsorption and electrosorption behaviors of three polycyclic aromatic dyes from dilute aqueous solutions onto activated carbon cloth (ACC) were investigated. The selected dyes were crystal violet (BB-3), basic blue7 (BB-7), and basic blue11 (BB-11). OC adsorption and electrosorption processes were monitored by in situ UV−visible spectrophotometry. Electrosorption was carried out by polarization of an ACC electrode, galvanostatically. Considerable enhancements in removal capacity and duration of the dyes were achieved upon polarization of ACC. Kinetic data for OC adsorption and electrosorption were successfully treated according to pseudo-first-order law, and rate constants were determined. Adsorption isotherms were derived, and the data were treated according to Langmuir and Freundlich equations. Both the rate and extent of adsorption and electrosorption of dyes were found to increase in the order of BB-7 < BB-11 < BB-3. This order was discussed in terms of correlation between sizes of dye species and of ACC pores. Electrodesorption experiments were carried out to explore possibilities of regeneration of ACC. |
| doi_str_mv | 10.1021/es101177k |
| format | Article |
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The selected dyes were crystal violet (BB-3), basic blue7 (BB-7), and basic blue11 (BB-11). OC adsorption and electrosorption processes were monitored by in situ UV−visible spectrophotometry. Electrosorption was carried out by polarization of an ACC electrode, galvanostatically. Considerable enhancements in removal capacity and duration of the dyes were achieved upon polarization of ACC. Kinetic data for OC adsorption and electrosorption were successfully treated according to pseudo-first-order law, and rate constants were determined. Adsorption isotherms were derived, and the data were treated according to Langmuir and Freundlich equations. Both the rate and extent of adsorption and electrosorption of dyes were found to increase in the order of BB-7 < BB-11 < BB-3. This order was discussed in terms of correlation between sizes of dye species and of ACC pores. Electrodesorption experiments were carried out to explore possibilities of regeneration of ACC.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es101177k</identifier><identifier>PMID: 20704233</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Activated carbon ; Adsorption ; Applied sciences ; Aqueous solutions ; Bioremediation ; Charcoal - chemistry ; Coloring Agents - isolation & purification ; Dyes ; Electrochemical Techniques - methods ; Electrodes ; Environmental science ; Exact sciences and technology ; Extraction processes ; Kinetics ; Pollution ; Polycyclic aromatic hydrocarbons ; Polycyclic Aromatic Hydrocarbons - isolation & purification ; Remediation and Control Technologies ; Solutions ; Temperature ; Textiles ; Water - chemistry</subject><ispartof>Environmental science & technology, 2010-08, Vol.44 (16), p.6331-6336</ispartof><rights>Copyright © 2010 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><rights>Copyright American Chemical Society Aug 15, 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a371t-11dd904fe2c348f85406e2e3440668f5abc6d433d400b6ff27e724f49922e0c43</citedby><cites>FETCH-LOGICAL-a371t-11dd904fe2c348f85406e2e3440668f5abc6d433d400b6ff27e724f49922e0c43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es101177k$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es101177k$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,778,782,2754,27059,27907,27908,56721,56771</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23143300$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20704233$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bayram, Edip</creatorcontrib><creatorcontrib>Ayranci, Erol</creatorcontrib><title>Electrochemically Enhanced Removal of Polycyclic Aromatic Basic Dyes from Dilute Aqueous Solutions by Activated Carbon Cloth Electrodes</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Open-circuit (OC) adsorption and electrosorption behaviors of three polycyclic aromatic dyes from dilute aqueous solutions onto activated carbon cloth (ACC) were investigated. The selected dyes were crystal violet (BB-3), basic blue7 (BB-7), and basic blue11 (BB-11). OC adsorption and electrosorption processes were monitored by in situ UV−visible spectrophotometry. Electrosorption was carried out by polarization of an ACC electrode, galvanostatically. Considerable enhancements in removal capacity and duration of the dyes were achieved upon polarization of ACC. Kinetic data for OC adsorption and electrosorption were successfully treated according to pseudo-first-order law, and rate constants were determined. Adsorption isotherms were derived, and the data were treated according to Langmuir and Freundlich equations. Both the rate and extent of adsorption and electrosorption of dyes were found to increase in the order of BB-7 < BB-11 < BB-3. This order was discussed in terms of correlation between sizes of dye species and of ACC pores. Electrodesorption experiments were carried out to explore possibilities of regeneration of ACC.</description><subject>Activated carbon</subject><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Aqueous solutions</subject><subject>Bioremediation</subject><subject>Charcoal - chemistry</subject><subject>Coloring Agents - isolation & purification</subject><subject>Dyes</subject><subject>Electrochemical Techniques - methods</subject><subject>Electrodes</subject><subject>Environmental science</subject><subject>Exact sciences and technology</subject><subject>Extraction processes</subject><subject>Kinetics</subject><subject>Pollution</subject><subject>Polycyclic aromatic hydrocarbons</subject><subject>Polycyclic Aromatic Hydrocarbons - isolation & purification</subject><subject>Remediation and Control Technologies</subject><subject>Solutions</subject><subject>Temperature</subject><subject>Textiles</subject><subject>Water - chemistry</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNplkctq3DAUhkVISSZpFn2BIgIhdOH06GLLXk4n0wsEWnqB7IwsHzFOZCuV7ICfoK8dhUwzkGzORXz85xc_Ie8YXDDg7CNGBowpdbtHFiznkOVlzvbJAoCJrBLF9SE5ivEGALiA8oAcclAguRAL8m_t0IzBmw32ndHOzXQ9bPRgsKU_sff32lFv6Q_vZjMb1xm6DL7XYxo-6Zjq5YyR2vRGLzs3jUiXfyf0U6S_fFo7P0TazHRpxu5ej0l0pUPjB7pyftzQ7fEW41vyxmoX8WTbj8mfz-vfq6_Z1fcv31bLq0wLxcaMsbatQFrkRsjSlrmEAjkKmXpR2lw3pmilEK0EaApruULFpZVVxTmCkeKYnD_p3gWfjMax7rto0Dk9PLqulSwrqWSlEnn6grzxUxiSuQRVBWN5zhP04QkywccY0NZ3oet1mGsG9WM29XM2iX2_FZyaHttn8n8YCTjbAjqmKGxIMXRxxwmWfgaw47SJO1OvDz4A4i-ioA</recordid><startdate>20100815</startdate><enddate>20100815</enddate><creator>Bayram, Edip</creator><creator>Ayranci, Erol</creator><general>American Chemical Society</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>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope></search><sort><creationdate>20100815</creationdate><title>Electrochemically Enhanced Removal of Polycyclic Aromatic Basic Dyes from Dilute Aqueous Solutions by Activated Carbon Cloth Electrodes</title><author>Bayram, Edip ; Ayranci, Erol</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a371t-11dd904fe2c348f85406e2e3440668f5abc6d433d400b6ff27e724f49922e0c43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Activated carbon</topic><topic>Adsorption</topic><topic>Applied sciences</topic><topic>Aqueous solutions</topic><topic>Bioremediation</topic><topic>Charcoal - chemistry</topic><topic>Coloring Agents - isolation & purification</topic><topic>Dyes</topic><topic>Electrochemical Techniques - methods</topic><topic>Electrodes</topic><topic>Environmental science</topic><topic>Exact sciences and technology</topic><topic>Extraction processes</topic><topic>Kinetics</topic><topic>Pollution</topic><topic>Polycyclic aromatic hydrocarbons</topic><topic>Polycyclic Aromatic Hydrocarbons - isolation & purification</topic><topic>Remediation and Control Technologies</topic><topic>Solutions</topic><topic>Temperature</topic><topic>Textiles</topic><topic>Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bayram, Edip</creatorcontrib><creatorcontrib>Ayranci, Erol</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>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bayram, Edip</au><au>Ayranci, Erol</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrochemically Enhanced Removal of Polycyclic Aromatic Basic Dyes from Dilute Aqueous Solutions by Activated Carbon Cloth Electrodes</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>2010-08-15</date><risdate>2010</risdate><volume>44</volume><issue>16</issue><spage>6331</spage><epage>6336</epage><pages>6331-6336</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Open-circuit (OC) adsorption and electrosorption behaviors of three polycyclic aromatic dyes from dilute aqueous solutions onto activated carbon cloth (ACC) were investigated. The selected dyes were crystal violet (BB-3), basic blue7 (BB-7), and basic blue11 (BB-11). OC adsorption and electrosorption processes were monitored by in situ UV−visible spectrophotometry. Electrosorption was carried out by polarization of an ACC electrode, galvanostatically. Considerable enhancements in removal capacity and duration of the dyes were achieved upon polarization of ACC. Kinetic data for OC adsorption and electrosorption were successfully treated according to pseudo-first-order law, and rate constants were determined. Adsorption isotherms were derived, and the data were treated according to Langmuir and Freundlich equations. Both the rate and extent of adsorption and electrosorption of dyes were found to increase in the order of BB-7 < BB-11 < BB-3. This order was discussed in terms of correlation between sizes of dye species and of ACC pores. Electrodesorption experiments were carried out to explore possibilities of regeneration of ACC.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>20704233</pmid><doi>10.1021/es101177k</doi><tpages>6</tpages></addata></record> |
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| subjects | Activated carbon Adsorption Applied sciences Aqueous solutions Bioremediation Charcoal - chemistry Coloring Agents - isolation & purification Dyes Electrochemical Techniques - methods Electrodes Environmental science Exact sciences and technology Extraction processes Kinetics Pollution Polycyclic aromatic hydrocarbons Polycyclic Aromatic Hydrocarbons - isolation & purification Remediation and Control Technologies Solutions Temperature Textiles Water - chemistry |
| title | Electrochemically Enhanced Removal of Polycyclic Aromatic Basic Dyes from Dilute Aqueous Solutions by Activated Carbon Cloth Electrodes |
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