A comparison of basic dye adsorption onto zeolitic materials synthesized from fly ash
This investigation reveals the adsorption characteristics of two basic dyes, thionine (TH) and safranine T (ST), onto fly ash (FA) and its three zeolitized products prepared at different hydrothermal conditions. Typical two-step isotherms were observed for TH adsorption onto four adsorbents, whereas...
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Veröffentlicht in: | Journal of hazardous materials 2011-03, Vol.187 (1-3), p.562-573 |
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description | This investigation reveals the adsorption characteristics of two basic dyes, thionine (TH) and safranine T (ST), onto fly ash (FA) and its three zeolitized products prepared at different hydrothermal conditions. Typical two-step isotherms were observed for TH adsorption onto four adsorbents, whereas the isotherms of the larger ST molecules were S-shaped. The adsorption capacities of the zeolitized fly ash (ZFA) estimated from the first plateau region of the TH isotherms was nearly twice the FA capacity. The capacities increased by up to five times in the second plateau region. The adsorption capacity of FA for ST is equivalent that of TH, whereas the capacities of ZFA are lower than those found for TH. The equilibrium results were well-described by the Freundlich isotherm model. The kinetic data obtained in the temperature range of 298–318K was analyzed using Paterson's and Nernst Plank's approximations based on the homogeneous surface diffusion model (HSDM). The thermodynamic functions for the transition state were evaluated from the temperature-dependence of the surface diffusion coefficients by applying the Eyring model. |
doi_str_mv | 10.1016/j.jhazmat.2011.01.075 |
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Typical two-step isotherms were observed for TH adsorption onto four adsorbents, whereas the isotherms of the larger ST molecules were S-shaped. The adsorption capacities of the zeolitized fly ash (ZFA) estimated from the first plateau region of the TH isotherms was nearly twice the FA capacity. The capacities increased by up to five times in the second plateau region. The adsorption capacity of FA for ST is equivalent that of TH, whereas the capacities of ZFA are lower than those found for TH. The equilibrium results were well-described by the Freundlich isotherm model. The kinetic data obtained in the temperature range of 298–318K was analyzed using Paterson's and Nernst Plank's approximations based on the homogeneous surface diffusion model (HSDM). The thermodynamic functions for the transition state were evaluated from the temperature-dependence of the surface diffusion coefficients by applying the Eyring model.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2011.01.075</identifier><identifier>PMID: 21300434</identifier><identifier>CODEN: JHMAD9</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>adsorbents ; Adsorption ; Applied sciences ; Approximation ; Basic dyes ; Carbon ; Chemical engineering ; Coal Ash ; Coloring Agents - chemistry ; Diffusion ; dyes ; Equivalence ; Exact sciences and technology ; Fly ash ; Fly ash zeolites ; Isotherms ; Kinetics ; Mathematical models ; Microscopy, Electron, Scanning ; Particulate Matter ; Pollution ; Safranine T ; sorption isotherms ; Spectroscopy, Fourier Transform Infrared ; Surface chemistry ; Surface diffusion ; temperature ; Thermodynamics ; Thionine ; Zeolites - chemistry</subject><ispartof>Journal of hazardous materials, 2011-03, Vol.187 (1-3), p.562-573</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-c524t-db7bee9d5a4e5cf8bd77439b710f52a82b441f6703df5d481e93efbe6e3b641e3</citedby><cites>FETCH-LOGICAL-c524t-db7bee9d5a4e5cf8bd77439b710f52a82b441f6703df5d481e93efbe6e3b641e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304389411000975$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23924339$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21300434$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Atun, Gülten</creatorcontrib><creatorcontrib>Hisarlı, Gül</creatorcontrib><creatorcontrib>Kurtoğlu, Ayşe Engin</creatorcontrib><creatorcontrib>Ayar, Nihat</creatorcontrib><title>A comparison of basic dye adsorption onto zeolitic materials synthesized from fly ash</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>This investigation reveals the adsorption characteristics of two basic dyes, thionine (TH) and safranine T (ST), onto fly ash (FA) and its three zeolitized products prepared at different hydrothermal conditions. Typical two-step isotherms were observed for TH adsorption onto four adsorbents, whereas the isotherms of the larger ST molecules were S-shaped. The adsorption capacities of the zeolitized fly ash (ZFA) estimated from the first plateau region of the TH isotherms was nearly twice the FA capacity. The capacities increased by up to five times in the second plateau region. The adsorption capacity of FA for ST is equivalent that of TH, whereas the capacities of ZFA are lower than those found for TH. The equilibrium results were well-described by the Freundlich isotherm model. The kinetic data obtained in the temperature range of 298–318K was analyzed using Paterson's and Nernst Plank's approximations based on the homogeneous surface diffusion model (HSDM). The thermodynamic functions for the transition state were evaluated from the temperature-dependence of the surface diffusion coefficients by applying the Eyring model.</description><subject>adsorbents</subject><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Approximation</subject><subject>Basic dyes</subject><subject>Carbon</subject><subject>Chemical engineering</subject><subject>Coal Ash</subject><subject>Coloring Agents - chemistry</subject><subject>Diffusion</subject><subject>dyes</subject><subject>Equivalence</subject><subject>Exact sciences and technology</subject><subject>Fly ash</subject><subject>Fly ash zeolites</subject><subject>Isotherms</subject><subject>Kinetics</subject><subject>Mathematical models</subject><subject>Microscopy, Electron, Scanning</subject><subject>Particulate Matter</subject><subject>Pollution</subject><subject>Safranine T</subject><subject>sorption isotherms</subject><subject>Spectroscopy, Fourier Transform Infrared</subject><subject>Surface chemistry</subject><subject>Surface diffusion</subject><subject>temperature</subject><subject>Thermodynamics</subject><subject>Thionine</subject><subject>Zeolites - chemistry</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>eNqFkV2LEzEUhoMobl39CWpuRG9akznJZHK1LItfsOCF9jpkkhObMjOpyVRof70prXrnwoFAzpO8LzyEvORsxRlv329X2409jnZeNYzzFauj5COy4J2CJQC0j8mCARNL6LS4Is9K2TLGuJLiKblqODAmQCzI-pa6NO5sjiVNNAXa2xId9Qek1peUd3M83U9zokdMQ5zrsoZijnYotBymeYMlHtHTkNNIw3Cgtmyekyeh7vHF5bwm648fvt99Xt5__fTl7vZ-6WQj5qXvVY-ovbQCpQtd75USoHvFWZCN7ZpeCB5axcAH6UXHUQOGHluEvhUc4Zq8Pf-7y-nnHstsxlgcDoOdMO2L6VqhWxBMPkxKAUoLoSr57r8kV7WP4NBAReUZdTmVkjGYXY6jzQfDmTlZMltzsWROlgyro05lXl0i9v2I_u-rP1oq8OYC2OLsELKdXCz_ONCNANCVe33mgk3G_qgSzfpbTZLVtGZK80rcnAmsGn5FzKa4iJNDHzO62fgUHyj7G8qxvEE</recordid><startdate>20110315</startdate><enddate>20110315</enddate><creator>Atun, Gülten</creator><creator>Hisarlı, Gül</creator><creator>Kurtoğlu, Ayşe Engin</creator><creator>Ayar, Nihat</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>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>7X8</scope><scope>7ST</scope><scope>7TV</scope><scope>7U7</scope><scope>C1K</scope><scope>SOI</scope></search><sort><creationdate>20110315</creationdate><title>A comparison of basic dye adsorption onto zeolitic materials synthesized from fly ash</title><author>Atun, Gülten ; Hisarlı, Gül ; Kurtoğlu, Ayşe Engin ; Ayar, Nihat</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c524t-db7bee9d5a4e5cf8bd77439b710f52a82b441f6703df5d481e93efbe6e3b641e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>adsorbents</topic><topic>Adsorption</topic><topic>Applied sciences</topic><topic>Approximation</topic><topic>Basic dyes</topic><topic>Carbon</topic><topic>Chemical engineering</topic><topic>Coal Ash</topic><topic>Coloring Agents - chemistry</topic><topic>Diffusion</topic><topic>dyes</topic><topic>Equivalence</topic><topic>Exact sciences and technology</topic><topic>Fly ash</topic><topic>Fly ash zeolites</topic><topic>Isotherms</topic><topic>Kinetics</topic><topic>Mathematical models</topic><topic>Microscopy, Electron, Scanning</topic><topic>Particulate Matter</topic><topic>Pollution</topic><topic>Safranine T</topic><topic>sorption isotherms</topic><topic>Spectroscopy, Fourier Transform Infrared</topic><topic>Surface chemistry</topic><topic>Surface diffusion</topic><topic>temperature</topic><topic>Thermodynamics</topic><topic>Thionine</topic><topic>Zeolites - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Atun, Gülten</creatorcontrib><creatorcontrib>Hisarlı, Gül</creatorcontrib><creatorcontrib>Kurtoğlu, Ayşe Engin</creatorcontrib><creatorcontrib>Ayar, Nihat</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>METADEX</collection><collection>Technology Research Database</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>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Atun, Gülten</au><au>Hisarlı, Gül</au><au>Kurtoğlu, Ayşe Engin</au><au>Ayar, Nihat</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A comparison of basic dye adsorption onto zeolitic materials synthesized from fly ash</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2011-03-15</date><risdate>2011</risdate><volume>187</volume><issue>1-3</issue><spage>562</spage><epage>573</epage><pages>562-573</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><coden>JHMAD9</coden><abstract>This investigation reveals the adsorption characteristics of two basic dyes, thionine (TH) and safranine T (ST), onto fly ash (FA) and its three zeolitized products prepared at different hydrothermal conditions. Typical two-step isotherms were observed for TH adsorption onto four adsorbents, whereas the isotherms of the larger ST molecules were S-shaped. The adsorption capacities of the zeolitized fly ash (ZFA) estimated from the first plateau region of the TH isotherms was nearly twice the FA capacity. The capacities increased by up to five times in the second plateau region. The adsorption capacity of FA for ST is equivalent that of TH, whereas the capacities of ZFA are lower than those found for TH. The equilibrium results were well-described by the Freundlich isotherm model. The kinetic data obtained in the temperature range of 298–318K was analyzed using Paterson's and Nernst Plank's approximations based on the homogeneous surface diffusion model (HSDM). The thermodynamic functions for the transition state were evaluated from the temperature-dependence of the surface diffusion coefficients by applying the Eyring model.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><pmid>21300434</pmid><doi>10.1016/j.jhazmat.2011.01.075</doi><tpages>12</tpages></addata></record> |
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subjects | adsorbents Adsorption Applied sciences Approximation Basic dyes Carbon Chemical engineering Coal Ash Coloring Agents - chemistry Diffusion dyes Equivalence Exact sciences and technology Fly ash Fly ash zeolites Isotherms Kinetics Mathematical models Microscopy, Electron, Scanning Particulate Matter Pollution Safranine T sorption isotherms Spectroscopy, Fourier Transform Infrared Surface chemistry Surface diffusion temperature Thermodynamics Thionine Zeolites - chemistry |
title | A comparison of basic dye adsorption onto zeolitic materials synthesized from fly ash |
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