Binary adsorption equilibrium of organics and water on activated carbon
Adsorption isotherms of hexafluoropropylene (HFP), methanol and ethanol were measured under dry and humid conditions using Norit R1 carbon. The presence of water lowered the HFP capacity over the whole pressure range as compared to the single component isotherm, while increasing the methanol and eth...
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| Veröffentlicht in: | AIChE journal 2001-08, Vol.47 (8), p.1885-1892 |
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| container_title | AIChE journal |
| container_volume | 47 |
| creator | Linders, M. J. G. van den Broeke, L. J. P. Kapteijn, F. Moulijn, J. A. van Bokhoven, J. J. G. M. |
| description | Adsorption isotherms of hexafluoropropylene (HFP), methanol and ethanol were measured under dry and humid conditions using Norit R1 carbon. The presence of water lowered the HFP capacity over the whole pressure range as compared to the single component isotherm, while increasing the methanol and ethanol capacity. The Dubinin‐Radushkevich equation was applicable for methanol, and ethanol, and the Dubinin‐Astakhov equation gave a satisfactory description for water. The ideal adsorbed solution (IAS) theory satisfactorily described the binary, miscible systems of methanol and ethanol with water. Because water and HFP are not miscible, the IAS theory cannot be used. This binary system was described well by the independent co‐adsorption of the two components, that is, HFP vapor is adsorbed in the micropore volume left free by water. |
| doi_str_mv | 10.1002/aic.690470818 |
| format | Article |
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J. G. ; van den Broeke, L. J. P. ; Kapteijn, F. ; Moulijn, J. A. ; van Bokhoven, J. J. G. M.</creator><creatorcontrib>Linders, M. J. G. ; van den Broeke, L. J. P. ; Kapteijn, F. ; Moulijn, J. A. ; van Bokhoven, J. J. G. M.</creatorcontrib><description>Adsorption isotherms of hexafluoropropylene (HFP), methanol and ethanol were measured under dry and humid conditions using Norit R1 carbon. The presence of water lowered the HFP capacity over the whole pressure range as compared to the single component isotherm, while increasing the methanol and ethanol capacity. The Dubinin‐Radushkevich equation was applicable for methanol, and ethanol, and the Dubinin‐Astakhov equation gave a satisfactory description for water. The ideal adsorbed solution (IAS) theory satisfactorily described the binary, miscible systems of methanol and ethanol with water. Because water and HFP are not miscible, the IAS theory cannot be used. This binary system was described well by the independent co‐adsorption of the two components, that is, HFP vapor is adsorbed in the micropore volume left free by water.</description><identifier>ISSN: 0001-1541</identifier><identifier>EISSN: 1547-5905</identifier><identifier>DOI: 10.1002/aic.690470818</identifier><identifier>CODEN: AICEAC</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Chemistry ; Exact sciences and technology ; General and physical chemistry ; Solid-gas interface ; Surface physical chemistry</subject><ispartof>AIChE journal, 2001-08, Vol.47 (8), p.1885-1892</ispartof><rights>Copyright © 2001 American Institute of Chemical Engineers (AIChE)</rights><rights>2001 INIST-CNRS</rights><rights>Copyright American Institute of Chemical Engineers Aug 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4148-d887c6f7ee770f96e0af166b3653608998959d1c33b3813ccff432ae3b876033</citedby><cites>FETCH-LOGICAL-c4148-d887c6f7ee770f96e0af166b3653608998959d1c33b3813ccff432ae3b876033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Faic.690470818$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Faic.690470818$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1093436$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Linders, M. 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The Dubinin‐Radushkevich equation was applicable for methanol, and ethanol, and the Dubinin‐Astakhov equation gave a satisfactory description for water. The ideal adsorbed solution (IAS) theory satisfactorily described the binary, miscible systems of methanol and ethanol with water. Because water and HFP are not miscible, the IAS theory cannot be used. This binary system was described well by the independent co‐adsorption of the two components, that is, HFP vapor is adsorbed in the micropore volume left free by water.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/aic.690470818</doi><tpages>8</tpages></addata></record> |
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| subjects | Chemistry Exact sciences and technology General and physical chemistry Solid-gas interface Surface physical chemistry |
| title | Binary adsorption equilibrium of organics and water on activated carbon |
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