Analysis of cosolvent effect on supercritical carbon dioxide extraction for α-pinene and 1,8-cineole

Yusuke Shimoyama, Hiroki Tokumoto, Takumi Matsuno, Yoshio Iwai

研究成果: ジャーナルへの寄稿記事

10 引用 (Scopus)

抄録

The solubilities of α-pinene and 1,8-cineole in supercritical carbon dioxide with and without cosolvent were measured by using a circulation type apparatus coupled with an on-line Fourier transform infrared (FT-IR) spectroscope at 323K and 8.0MPa. The cosolvents interested in this work were ethanol, water, acetone and hexane. The solubilities were measured under vapor-liquid two phases. The effects of cosolvents on the solubilities and selectivities of α-pinene and 1,8-cineole in supercritical CO2 were investigated. The selectivities at feed concentration of cosolvent of 0.056molL-1 were increased 1.23 times by ethanol and decreased 0.82 times by hexane. Peng-Robinson equation of state with a quadratic mixing rule was used for correlations of the solubilities for α-pinene and 1,8-cineole in supercritical CO2 with and without cosolvent. The correlated results reproduce the experimental data of cosolvent effects on the solubilities and selectivities of α-pinene and 1,8-cineole in supercritical CO2.

元の言語英語
ページ(範囲)1563-1568
ページ数6
ジャーナルChemical Engineering Research and Design
88
発行部数12
DOI
出版物ステータス出版済み - 12 1 2010

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Carbon Dioxide
Carbon dioxide
Solubility
Hexanes
Hexane
Ethanol
Acetone
Equations of state
Fourier transforms
Vapors
eucalyptol
Infrared radiation
Water
Liquids

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

これを引用

Analysis of cosolvent effect on supercritical carbon dioxide extraction for α-pinene and 1,8-cineole. / Shimoyama, Yusuke; Tokumoto, Hiroki; Matsuno, Takumi; Iwai, Yoshio.

:: Chemical Engineering Research and Design, 巻 88, 番号 12, 01.12.2010, p. 1563-1568.

研究成果: ジャーナルへの寄稿記事

Shimoyama, Yusuke ; Tokumoto, Hiroki ; Matsuno, Takumi ; Iwai, Yoshio. / Analysis of cosolvent effect on supercritical carbon dioxide extraction for α-pinene and 1,8-cineole. :: Chemical Engineering Research and Design. 2010 ; 巻 88, 番号 12. pp. 1563-1568.
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N2 - The solubilities of α-pinene and 1,8-cineole in supercritical carbon dioxide with and without cosolvent were measured by using a circulation type apparatus coupled with an on-line Fourier transform infrared (FT-IR) spectroscope at 323K and 8.0MPa. The cosolvents interested in this work were ethanol, water, acetone and hexane. The solubilities were measured under vapor-liquid two phases. The effects of cosolvents on the solubilities and selectivities of α-pinene and 1,8-cineole in supercritical CO2 were investigated. The selectivities at feed concentration of cosolvent of 0.056molL-1 were increased 1.23 times by ethanol and decreased 0.82 times by hexane. Peng-Robinson equation of state with a quadratic mixing rule was used for correlations of the solubilities for α-pinene and 1,8-cineole in supercritical CO2 with and without cosolvent. The correlated results reproduce the experimental data of cosolvent effects on the solubilities and selectivities of α-pinene and 1,8-cineole in supercritical CO2.

AB - The solubilities of α-pinene and 1,8-cineole in supercritical carbon dioxide with and without cosolvent were measured by using a circulation type apparatus coupled with an on-line Fourier transform infrared (FT-IR) spectroscope at 323K and 8.0MPa. The cosolvents interested in this work were ethanol, water, acetone and hexane. The solubilities were measured under vapor-liquid two phases. The effects of cosolvents on the solubilities and selectivities of α-pinene and 1,8-cineole in supercritical CO2 were investigated. The selectivities at feed concentration of cosolvent of 0.056molL-1 were increased 1.23 times by ethanol and decreased 0.82 times by hexane. Peng-Robinson equation of state with a quadratic mixing rule was used for correlations of the solubilities for α-pinene and 1,8-cineole in supercritical CO2 with and without cosolvent. The correlated results reproduce the experimental data of cosolvent effects on the solubilities and selectivities of α-pinene and 1,8-cineole in supercritical CO2.

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