Determination of adsorptive properties of clay/water system: methylene blue sorption
In this study, adsorption of methylene blue onto clay was investigated. The effect of adsorption time and temperature on the adsorption process was studied. To reveal the adsorptive characteristics of the clay studied, porosity and BET surface area measurements were made. It was observed that the ad...
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| Veröffentlicht in: | Journal of colloid and interface science 2004-01, Vol.269 (2), p.310-314 |
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| container_title | Journal of colloid and interface science |
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| creator | Gürses, A Karaca, S Doğar, Ç Bayrak, R Açıkyıldız, M Yalçın, M |
| description | In this study, adsorption of methylene blue onto clay was investigated. The effect of adsorption time and temperature on the adsorption process was studied. To reveal the adsorptive characteristics of the clay studied, porosity and BET surface area measurements were made. It was observed that the adsorption capacity decreases with increasing temperature, and adsorption equilibrium was attained within 1 h. It was found that the data fit well to Langmuir, Halsey, Henderson, and Harkins–Jura models but experimental data deviate significantly from BET and Freundlich models at especially high concentrations. Furthermore, isosteric adsorption enthalpy and entropy are calculated as −7.99 kJ
mol
−1 and 25.41 J
K
−1
mol
−1, respectively. |
| doi_str_mv | 10.1016/j.jcis.2003.09.004 |
| format | Article |
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mol
−1 and 25.41 J
K
−1
mol
−1, respectively.</description><identifier>ISSN: 0021-9797</identifier><identifier>EISSN: 1095-7103</identifier><identifier>DOI: 10.1016/j.jcis.2003.09.004</identifier><identifier>PMID: 14654389</identifier><identifier>CODEN: JCISA5</identifier><language>eng</language><publisher>San Diego, CA: Elsevier Inc</publisher><subject>Adsorption ; Adsorption isotherms ; Chemistry ; Clay ; Exact sciences and technology ; General and physical chemistry ; Methylene blue ; Solid-liquid interface ; Surface physical chemistry</subject><ispartof>Journal of colloid and interface science, 2004-01, Vol.269 (2), p.310-314</ispartof><rights>2003 Elsevier Inc.</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-e21307a92a7e0094c5b0f61f7930cf88b152608f2f9e2c18988876818ca4e1783</citedby><cites>FETCH-LOGICAL-c382t-e21307a92a7e0094c5b0f61f7930cf88b152608f2f9e2c18988876818ca4e1783</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jcis.2003.09.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15421297$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14654389$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gürses, A</creatorcontrib><creatorcontrib>Karaca, S</creatorcontrib><creatorcontrib>Doğar, Ç</creatorcontrib><creatorcontrib>Bayrak, R</creatorcontrib><creatorcontrib>Açıkyıldız, M</creatorcontrib><creatorcontrib>Yalçın, M</creatorcontrib><title>Determination of adsorptive properties of clay/water system: methylene blue sorption</title><title>Journal of colloid and interface science</title><addtitle>J Colloid Interface Sci</addtitle><description>In this study, adsorption of methylene blue onto clay was investigated. The effect of adsorption time and temperature on the adsorption process was studied. To reveal the adsorptive characteristics of the clay studied, porosity and BET surface area measurements were made. It was observed that the adsorption capacity decreases with increasing temperature, and adsorption equilibrium was attained within 1 h. It was found that the data fit well to Langmuir, Halsey, Henderson, and Harkins–Jura models but experimental data deviate significantly from BET and Freundlich models at especially high concentrations. Furthermore, isosteric adsorption enthalpy and entropy are calculated as −7.99 kJ
mol
−1 and 25.41 J
K
−1
mol
−1, respectively.</description><subject>Adsorption</subject><subject>Adsorption isotherms</subject><subject>Chemistry</subject><subject>Clay</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Methylene blue</subject><subject>Solid-liquid interface</subject><subject>Surface physical chemistry</subject><issn>0021-9797</issn><issn>1095-7103</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNp9kE1PGzEQhq2KqoS0f6AHtBd622XG-2EbcUEptJWQeqFny3HGqqP9CLaTav89uySCW09zmOd9NfMw9hWhQMDmeltsrY8FBygLUAVA9YEtEFSdC4TyjC0AOOZKKHHOLmLcAiDWtfrEzrFq6qqUasGevlOi0PneJD_02eAys4lD2CV_oGwXhh2F5CnOC9ua8fqfmfAsjjFRd5N1lP6OLfWUrds9Zcfg0H9mH51pI305zSX783D_tPqZP_7-8Wt195jbUvKUE8cShFHcCAJQla3X4Bp0QpVgnZRrrHkD0nGniFuUSkopGonSmopQyHLJvh17p0Of9xST7ny01Lamp2EftZjebcpXkB9BG4YYAzm9C74zYdQIenapt3p2qWeXGpSeXE6hy1P7ft3R5j1ykjcBVyfARGtaF0w_d7xxdcWRKzFxt0eOJhcHT0FH66m3tPGBbNKbwf_vjhdkBpKA</recordid><startdate>20040115</startdate><enddate>20040115</enddate><creator>Gürses, A</creator><creator>Karaca, S</creator><creator>Doğar, Ç</creator><creator>Bayrak, R</creator><creator>Açıkyıldız, M</creator><creator>Yalçın, M</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20040115</creationdate><title>Determination of adsorptive properties of clay/water system: methylene blue sorption</title><author>Gürses, A ; Karaca, S ; Doğar, Ç ; Bayrak, R ; Açıkyıldız, M ; Yalçın, M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c382t-e21307a92a7e0094c5b0f61f7930cf88b152608f2f9e2c18988876818ca4e1783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Adsorption</topic><topic>Adsorption isotherms</topic><topic>Chemistry</topic><topic>Clay</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Methylene blue</topic><topic>Solid-liquid interface</topic><topic>Surface physical chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gürses, A</creatorcontrib><creatorcontrib>Karaca, S</creatorcontrib><creatorcontrib>Doğar, Ç</creatorcontrib><creatorcontrib>Bayrak, R</creatorcontrib><creatorcontrib>Açıkyıldız, M</creatorcontrib><creatorcontrib>Yalçın, M</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of colloid and interface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gürses, A</au><au>Karaca, S</au><au>Doğar, Ç</au><au>Bayrak, R</au><au>Açıkyıldız, M</au><au>Yalçın, M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Determination of adsorptive properties of clay/water system: methylene blue sorption</atitle><jtitle>Journal of colloid and interface science</jtitle><addtitle>J Colloid Interface Sci</addtitle><date>2004-01-15</date><risdate>2004</risdate><volume>269</volume><issue>2</issue><spage>310</spage><epage>314</epage><pages>310-314</pages><issn>0021-9797</issn><eissn>1095-7103</eissn><coden>JCISA5</coden><abstract>In this study, adsorption of methylene blue onto clay was investigated. The effect of adsorption time and temperature on the adsorption process was studied. To reveal the adsorptive characteristics of the clay studied, porosity and BET surface area measurements were made. It was observed that the adsorption capacity decreases with increasing temperature, and adsorption equilibrium was attained within 1 h. It was found that the data fit well to Langmuir, Halsey, Henderson, and Harkins–Jura models but experimental data deviate significantly from BET and Freundlich models at especially high concentrations. Furthermore, isosteric adsorption enthalpy and entropy are calculated as −7.99 kJ
mol
−1 and 25.41 J
K
−1
mol
−1, respectively.</abstract><cop>San Diego, CA</cop><pub>Elsevier Inc</pub><pmid>14654389</pmid><doi>10.1016/j.jcis.2003.09.004</doi><tpages>5</tpages></addata></record> |
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| subjects | Adsorption Adsorption isotherms Chemistry Clay Exact sciences and technology General and physical chemistry Methylene blue Solid-liquid interface Surface physical chemistry |
| title | Determination of adsorptive properties of clay/water system: methylene blue sorption |
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