TY - JOUR

T1 - Measurement and correlation of vapor-liquid distribution coefficients of compounds contained in hops-extract ethanol solution with supercritical CO2

AU - Hoshino, Yuki

AU - Ueno, Yusuke

AU - Ota, Masaki

AU - Sato, Yoshiyuki

AU - Inomata, Hiroshi

N1 - Publisher Copyright:
© 2021 The Society of Chemical Engineers, Japan.

PY - 2021

Y1 - 2021

N2 - Measurements of vapor-liquid distribution coefficients (K-values) of compounds contained in hops-extract ethanol solution in high pressure CO2system were carried out at temperatures of 313-373 K and pressures of 5-14 MPa with a continuous flow apparatus for fractionation of hops-extract by using supercritical counter-current extraction process. Using available experimental data for 105 K-values, a correlation equation for the vapor-liquid distribution coefficient of solutes was constructed based on entropy-based solubility parameter (eSP) and dimensionless temperature. The dimensionless distribution equation that takes into account the eSP concept, originally developed in the previous work (Ota et al., 2017), was also applied to the available experimental data, and four universal constants were re-determined. From the established calculation methods, the K-values of solutes could be applied to the counter-current extraction systems with supercritical CO2.

AB - Measurements of vapor-liquid distribution coefficients (K-values) of compounds contained in hops-extract ethanol solution in high pressure CO2system were carried out at temperatures of 313-373 K and pressures of 5-14 MPa with a continuous flow apparatus for fractionation of hops-extract by using supercritical counter-current extraction process. Using available experimental data for 105 K-values, a correlation equation for the vapor-liquid distribution coefficient of solutes was constructed based on entropy-based solubility parameter (eSP) and dimensionless temperature. The dimensionless distribution equation that takes into account the eSP concept, originally developed in the previous work (Ota et al., 2017), was also applied to the available experimental data, and four universal constants were re-determined. From the established calculation methods, the K-values of solutes could be applied to the counter-current extraction systems with supercritical CO2.

KW - Equation of State

KW - Subcritical Fluid Separation

KW - Supercritical CO

UR - http://www.scopus.com/inward/record.url?scp=85103578816&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85103578816&partnerID=8YFLogxK

U2 - 10.1252/kakoronbunshu.47.17

DO - 10.1252/kakoronbunshu.47.17

M3 - Article

AN - SCOPUS:85103578816

VL - 47

SP - 17

EP - 22

JO - Kagaku Kogaku Ronbunshu

JF - Kagaku Kogaku Ronbunshu

SN - 0386-216X

IS - 2

ER -