Correlation of Solubilities and Entrainer Effects for Fatty Acids and Higher Alcohols in Supercritical Carbon Dioxide Using SRK Equation of State with Association Model.
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- Yamamoto Morio
- Department of Chemical Systems and Engineering, Graduate School of Engineering, Kyushu University
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- Iwai Yoshio
- Department of Chemical Systems and Engineering, Graduate School of Engineering, Kyushu University
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- Nakajima Taro
- Department of Chemical Systems and Engineering, Graduate School of Engineering, Kyushu University
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- Tanabe Daisaku
- Department of Chemical Systems and Engineering, Graduate School of Engineering, Kyushu University
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- Arai Yasuhiko
- Department of Chemical Systems and Engineering, Graduate School of Engineering, Kyushu University
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Solubilities of fatty acids (myristic acid, palmitic acid and stearic acid) and higher alcohols (cetyl alcohol, stearyl alcohol and arachidyl alcohol) in supercritical CO2, and the entrainer effect (ethanol or octane) on their solubilities, are correlated by the Soave-Redlich-Kwong equation of state with an association model. It is assumed that the system consists of supercritical CO2, solute monomer, solute dimer, hydrogen bonding species between solute monomer and entrainer, and entrainer. The mole fractions of these species are determined by the equilibrium constants for dimerization of palmitic acid, and those for hydrogen bonding species between palmitic acid and ethanol obtained from FTIR spectroscopic study. The calculated results agreed with the experimental data.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 33 (3), 538-544, 2000
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204565079296
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- NII論文ID
- 10006953669
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DC%2BD3cXksVOgt78%3D
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 5418464
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可