Sequential sorption and desorption of chlorinated phenols in organoclays
Effect of pH on the sorption and desorption of the chlorinated phenols (2-chlorophenol and 2,4-dichlorophenol) in HDTMA-montmorillonite organoclays was investigated using sequential batch experiments. 2,4-dichlorophenol exhibited higher affinity in both sorption and desorption than 2-chlorophenol at...
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| Veröffentlicht in: | Water science and technology 2003-01, Vol.47 (9), p.59-64 |
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| creator | KIM, J.-H SHIN, W. S KIM, Y.-H CHOI, S. J JEON, Y. W SONG, D.-I |
| description | Effect of pH on the sorption and desorption of the chlorinated phenols (2-chlorophenol and 2,4-dichlorophenol) in HDTMA-montmorillonite organoclays was investigated using sequential batch experiments. 2,4-dichlorophenol exhibited higher affinity in both sorption and desorption than 2-chlorophenol at pH 4.85 and 9.15. For both chlorophenols, the protonated speciation (at pH 4.85) exhibited a higher affinity in both sorption and desorption than the predominant deprotonated speciation (about 80% and 95% of 2-chlorophenate and 2,4-dichlophenate anions at pH 9.15, respectively). Desorption of chlorinated phenols was strongly dependent on the current pH regardless of their speciation during the previous sorption stage. No appreciable desorption resistance of the chlorinated phenols was observed in organoclays after sequential desorptions. Affinity of both chlorophenols in bisolute competitive sorption and desorption was reduced compared to that in a single-solute system due to the competition between solutes. The ideal adsorbed solution theory coupled with the single-solute Freundlich model successfully predicted the bisolute competitive sorption and desorption equilibria. |
| doi_str_mv | 10.2166/wst.2003.0492 |
| format | Article |
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S ; KIM, Y.-H ; CHOI, S. J ; JEON, Y. W ; SONG, D.-I</creator><creatorcontrib>KIM, J.-H ; SHIN, W. S ; KIM, Y.-H ; CHOI, S. J ; JEON, Y. W ; SONG, D.-I</creatorcontrib><description>Effect of pH on the sorption and desorption of the chlorinated phenols (2-chlorophenol and 2,4-dichlorophenol) in HDTMA-montmorillonite organoclays was investigated using sequential batch experiments. 2,4-dichlorophenol exhibited higher affinity in both sorption and desorption than 2-chlorophenol at pH 4.85 and 9.15. For both chlorophenols, the protonated speciation (at pH 4.85) exhibited a higher affinity in both sorption and desorption than the predominant deprotonated speciation (about 80% and 95% of 2-chlorophenate and 2,4-dichlophenate anions at pH 9.15, respectively). Desorption of chlorinated phenols was strongly dependent on the current pH regardless of their speciation during the previous sorption stage. No appreciable desorption resistance of the chlorinated phenols was observed in organoclays after sequential desorptions. Affinity of both chlorophenols in bisolute competitive sorption and desorption was reduced compared to that in a single-solute system due to the competition between solutes. The ideal adsorbed solution theory coupled with the single-solute Freundlich model successfully predicted the bisolute competitive sorption and desorption equilibria.</description><identifier>ISSN: 0273-1223</identifier><identifier>ISBN: 9781843394419</identifier><identifier>ISBN: 1843394413</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2003.0492</identifier><identifier>PMID: 12830941</identifier><identifier>CODEN: WSTED4</identifier><language>eng</language><publisher>London: IWA</publisher><subject>2,4-Dichlorophenol ; Adsorption ; Affinity ; Aluminum Silicates ; Anions ; Anthelmintics - chemistry ; Anthelmintics - isolation & purification ; Applied sciences ; Bentonite - chemistry ; Chemistry ; Chlorination ; Chlorophenol ; Chlorophenols - chemistry ; Chlorophenols - isolation & purification ; Desorption ; Exact sciences and technology ; General and physical chemistry ; Hydrogen-Ion Concentration ; Montmorillonite ; Montmorillonites ; pH effects ; Phenols ; Pollution ; Solid-liquid interface ; Solutes ; Sorption ; Speciation ; Surface physical chemistry ; Water Purification ; Water treatment and pollution</subject><ispartof>Water science and technology, 2003-01, Vol.47 (9), p.59-64</ispartof><rights>2003 INIST-CNRS</rights><rights>Copyright IWA Publishing May 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a434t-bea8ace9ae65ea92cb18b38951788c6bf4a5955b3537842f5c46ce2ba708c6103</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>309,310,314,780,784,789,790,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15094890$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12830941$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>KIM, J.-H</creatorcontrib><creatorcontrib>SHIN, W. S</creatorcontrib><creatorcontrib>KIM, Y.-H</creatorcontrib><creatorcontrib>CHOI, S. J</creatorcontrib><creatorcontrib>JEON, Y. W</creatorcontrib><creatorcontrib>SONG, D.-I</creatorcontrib><title>Sequential sorption and desorption of chlorinated phenols in organoclays</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>Effect of pH on the sorption and desorption of the chlorinated phenols (2-chlorophenol and 2,4-dichlorophenol) in HDTMA-montmorillonite organoclays was investigated using sequential batch experiments. 2,4-dichlorophenol exhibited higher affinity in both sorption and desorption than 2-chlorophenol at pH 4.85 and 9.15. For both chlorophenols, the protonated speciation (at pH 4.85) exhibited a higher affinity in both sorption and desorption than the predominant deprotonated speciation (about 80% and 95% of 2-chlorophenate and 2,4-dichlophenate anions at pH 9.15, respectively). Desorption of chlorinated phenols was strongly dependent on the current pH regardless of their speciation during the previous sorption stage. No appreciable desorption resistance of the chlorinated phenols was observed in organoclays after sequential desorptions. Affinity of both chlorophenols in bisolute competitive sorption and desorption was reduced compared to that in a single-solute system due to the competition between solutes. The ideal adsorbed solution theory coupled with the single-solute Freundlich model successfully predicted the bisolute competitive sorption and desorption equilibria.</description><subject>2,4-Dichlorophenol</subject><subject>Adsorption</subject><subject>Affinity</subject><subject>Aluminum Silicates</subject><subject>Anions</subject><subject>Anthelmintics - chemistry</subject><subject>Anthelmintics - isolation & purification</subject><subject>Applied sciences</subject><subject>Bentonite - chemistry</subject><subject>Chemistry</subject><subject>Chlorination</subject><subject>Chlorophenol</subject><subject>Chlorophenols - chemistry</subject><subject>Chlorophenols - isolation & purification</subject><subject>Desorption</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Hydrogen-Ion Concentration</subject><subject>Montmorillonite</subject><subject>Montmorillonites</subject><subject>pH effects</subject><subject>Phenols</subject><subject>Pollution</subject><subject>Solid-liquid interface</subject><subject>Solutes</subject><subject>Sorption</subject><subject>Speciation</subject><subject>Surface physical chemistry</subject><subject>Water Purification</subject><subject>Water treatment and pollution</subject><issn>0273-1223</issn><issn>1996-9732</issn><isbn>9781843394419</isbn><isbn>1843394413</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkUtLAzEURoMPbK1dupUBUdxMzXuSpRS1QsGFuh7upBk7ZZrUZIr035vSouBCVyHcw3fvx0HonOARJVLefsZuRDFmI8w1PUB9orXMdcHoIRrqQhHFGdOcE32E-pgWLCeUsh46jXGBMS4YxyeoR6hiWHPSR5MX-7G2rmugzaIPq67xLgM3y2b2--vrzMxbHxoHnZ1lq7l1vo1ZkybhHZw3LWziGTquoY12uH8H6O3h_nU8yafPj0_ju2kOnPEurywoMFaDlcKCpqYiqmJKC1IoZWRVcxBaiIoJVihOa2G4NJZWUOA0JpgN0PUudxV8ujx25bKJxrYtOOvXsUwNKcWE_AsSSSTmac8A3fwNYsolL4TeLr_8hS78OrjUtyQ69cNKK5WofEeZ4GMMti5XoVlC2KSociuxTBLLrcRyKzHxF_vUdbW0sx96bykBV3sAooG2DuBME384kSiVzvsCODWhTQ</recordid><startdate>20030101</startdate><enddate>20030101</enddate><creator>KIM, J.-H</creator><creator>SHIN, W. 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S ; KIM, Y.-H ; CHOI, S. J ; JEON, Y. W ; SONG, D.-I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a434t-bea8ace9ae65ea92cb18b38951788c6bf4a5955b3537842f5c46ce2ba708c6103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>2,4-Dichlorophenol</topic><topic>Adsorption</topic><topic>Affinity</topic><topic>Aluminum Silicates</topic><topic>Anions</topic><topic>Anthelmintics - chemistry</topic><topic>Anthelmintics - isolation & purification</topic><topic>Applied sciences</topic><topic>Bentonite - chemistry</topic><topic>Chemistry</topic><topic>Chlorination</topic><topic>Chlorophenol</topic><topic>Chlorophenols - chemistry</topic><topic>Chlorophenols - isolation & purification</topic><topic>Desorption</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Hydrogen-Ion Concentration</topic><topic>Montmorillonite</topic><topic>Montmorillonites</topic><topic>pH effects</topic><topic>Phenols</topic><topic>Pollution</topic><topic>Solid-liquid interface</topic><topic>Solutes</topic><topic>Sorption</topic><topic>Speciation</topic><topic>Surface physical chemistry</topic><topic>Water Purification</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KIM, J.-H</creatorcontrib><creatorcontrib>SHIN, W. 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S</au><au>KIM, Y.-H</au><au>CHOI, S. J</au><au>JEON, Y. W</au><au>SONG, D.-I</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sequential sorption and desorption of chlorinated phenols in organoclays</atitle><jtitle>Water science and technology</jtitle><addtitle>Water Sci Technol</addtitle><date>2003-01-01</date><risdate>2003</risdate><volume>47</volume><issue>9</issue><spage>59</spage><epage>64</epage><pages>59-64</pages><issn>0273-1223</issn><eissn>1996-9732</eissn><isbn>9781843394419</isbn><isbn>1843394413</isbn><coden>WSTED4</coden><abstract>Effect of pH on the sorption and desorption of the chlorinated phenols (2-chlorophenol and 2,4-dichlorophenol) in HDTMA-montmorillonite organoclays was investigated using sequential batch experiments. 2,4-dichlorophenol exhibited higher affinity in both sorption and desorption than 2-chlorophenol at pH 4.85 and 9.15. For both chlorophenols, the protonated speciation (at pH 4.85) exhibited a higher affinity in both sorption and desorption than the predominant deprotonated speciation (about 80% and 95% of 2-chlorophenate and 2,4-dichlophenate anions at pH 9.15, respectively). Desorption of chlorinated phenols was strongly dependent on the current pH regardless of their speciation during the previous sorption stage. No appreciable desorption resistance of the chlorinated phenols was observed in organoclays after sequential desorptions. Affinity of both chlorophenols in bisolute competitive sorption and desorption was reduced compared to that in a single-solute system due to the competition between solutes. The ideal adsorbed solution theory coupled with the single-solute Freundlich model successfully predicted the bisolute competitive sorption and desorption equilibria.</abstract><cop>London</cop><pub>IWA</pub><pmid>12830941</pmid><doi>10.2166/wst.2003.0492</doi><tpages>6</tpages></addata></record> |
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| ispartof | Water science and technology, 2003-01, Vol.47 (9), p.59-64 |
| issn | 0273-1223 1996-9732 |
| language | eng |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | 2,4-Dichlorophenol Adsorption Affinity Aluminum Silicates Anions Anthelmintics - chemistry Anthelmintics - isolation & purification Applied sciences Bentonite - chemistry Chemistry Chlorination Chlorophenol Chlorophenols - chemistry Chlorophenols - isolation & purification Desorption Exact sciences and technology General and physical chemistry Hydrogen-Ion Concentration Montmorillonite Montmorillonites pH effects Phenols Pollution Solid-liquid interface Solutes Sorption Speciation Surface physical chemistry Water Purification Water treatment and pollution |
| title | Sequential sorption and desorption of chlorinated phenols in organoclays |
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