Influence of matrix composition on the ternary solubility of cholesteryl esters in supercritical carbon dioxide
In this work, we have investigated the influences of the extraction feed bed composition on ternary solubilities of mixed cholesteryl benzoate (CBE) and cholesteryl butyrate (CBU) in supercritical carbon dioxide at 318.15 K. Measurements undertaken demonstrate a mutual solubility decrease for both c...
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| Veröffentlicht in: | Fluid phase equilibria 2009-11, Vol.285 (1), p.54-61 |
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| container_title | Fluid phase equilibria |
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| creator | Huang, Zhen Feng, Mei Guo, Yuhua Su, Junfeng Shi, Yan Chiew, Yee C. |
| description | In this work, we have investigated the influences of the extraction feed bed composition on ternary solubilities of mixed cholesteryl benzoate (CBE) and cholesteryl butyrate (CBU) in supercritical carbon dioxide at 318.15
K. Measurements undertaken demonstrate a mutual solubility decrease for both cholesteryl esters and the solubility decrease is found to be strongly dependent of the composition of the extraction equilibrium chamber. The ternary solubility data were correlated using the Peng–Robinson equation of state model along with one-parameter mixing rules. The Wilson equation was used in an attempt to calculate the solute activity coefficient in the solute matrices. The calculations show that the ternary fugacities of both solutes are dependent on the bed matrix composition and much lower than their binary ones, being in a very good consistence with the mutual solubility diminutions observed. |
| doi_str_mv | 10.1016/j.fluid.2009.07.016 |
| format | Article |
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K. Measurements undertaken demonstrate a mutual solubility decrease for both cholesteryl esters and the solubility decrease is found to be strongly dependent of the composition of the extraction equilibrium chamber. The ternary solubility data were correlated using the Peng–Robinson equation of state model along with one-parameter mixing rules. The Wilson equation was used in an attempt to calculate the solute activity coefficient in the solute matrices. The calculations show that the ternary fugacities of both solutes are dependent on the bed matrix composition and much lower than their binary ones, being in a very good consistence with the mutual solubility diminutions observed.</description><identifier>ISSN: 0378-3812</identifier><identifier>EISSN: 1879-0224</identifier><identifier>DOI: 10.1016/j.fluid.2009.07.016</identifier><identifier>CODEN: FPEQDT</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Chemistry ; Cholesteryl ester ; Exact sciences and technology ; General and physical chemistry ; Mixed solids ; Solubility ; Solubility diminution ; Solutions ; Supercritical CO 2</subject><ispartof>Fluid phase equilibria, 2009-11, Vol.285 (1), p.54-61</ispartof><rights>2009 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-eb50765f3c83abd98adb0aa0023d5c68f264f8753ecf8e8181afa5589a2906273</citedby><cites>FETCH-LOGICAL-c366t-eb50765f3c83abd98adb0aa0023d5c68f264f8753ecf8e8181afa5589a2906273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.fluid.2009.07.016$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22023799$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Huang, Zhen</creatorcontrib><creatorcontrib>Feng, Mei</creatorcontrib><creatorcontrib>Guo, Yuhua</creatorcontrib><creatorcontrib>Su, Junfeng</creatorcontrib><creatorcontrib>Shi, Yan</creatorcontrib><creatorcontrib>Chiew, Yee C.</creatorcontrib><title>Influence of matrix composition on the ternary solubility of cholesteryl esters in supercritical carbon dioxide</title><title>Fluid phase equilibria</title><description>In this work, we have investigated the influences of the extraction feed bed composition on ternary solubilities of mixed cholesteryl benzoate (CBE) and cholesteryl butyrate (CBU) in supercritical carbon dioxide at 318.15
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K. Measurements undertaken demonstrate a mutual solubility decrease for both cholesteryl esters and the solubility decrease is found to be strongly dependent of the composition of the extraction equilibrium chamber. The ternary solubility data were correlated using the Peng–Robinson equation of state model along with one-parameter mixing rules. The Wilson equation was used in an attempt to calculate the solute activity coefficient in the solute matrices. The calculations show that the ternary fugacities of both solutes are dependent on the bed matrix composition and much lower than their binary ones, being in a very good consistence with the mutual solubility diminutions observed.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.fluid.2009.07.016</doi><tpages>8</tpages></addata></record> |
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| ispartof | Fluid phase equilibria, 2009-11, Vol.285 (1), p.54-61 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Chemistry Cholesteryl ester Exact sciences and technology General and physical chemistry Mixed solids Solubility Solubility diminution Solutions Supercritical CO 2 |
| title | Influence of matrix composition on the ternary solubility of cholesteryl esters in supercritical carbon dioxide |
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