ICCAS OpenIR
Effect of acetic acid plus acetonitrile and ethanol plus acetonitrile mixed cosolvents on the solubility of stearic acid in supercritical CO2
Guan, B; Han, BX; Yan, HK
1998-08-01
Source PublicationFLUID PHASE EQUILIBRIA
ISSN0378-3812
Volume149Issue:1-2Pages:277-286
AbstractThe solubility of stearic acid in supercritical (SC) CO, with acetic acid + acetonitrile (molar ratio 1:I) and ethanol + acetonitrile (molar ratio 1:1) mixed cosolvents was measured at 318.15 K in the pressure range from 95 to 160 bar, and the total cosolvent concentrations range from 0 to 6 mol%. The density of the fluid phase was also determined, and the effects of pressure, cosolvent concentration, and apparent density of CO, on the solubility have been discussed. The solubility data for the solute in CO, + pure cosolvent binary mixtures was combined. It is known that enhancement of the solubility by the cosolvents follows the order: acetic acid > acetic acid + acetonitrile > acetonitrile, and ethanol > ethanol + acetonitrile > acetonitrile. In other words, the effect of each binary cosolvent on the solubility lies between those of the two pure cosolvents. (C) 1998 Elsevier Science B.V. All rights reserved.
KeywordSolid-fluid Equilibria Mixed Cosolvents Supercritical Co2 Stearic Acid
Indexed BySCI
Language英语
WOS IDWOS:000076204400022
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74420
Collection中国科学院化学研究所
Corresponding AuthorHan, BX
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Guan, B,Han, BX,Yan, HK. Effect of acetic acid plus acetonitrile and ethanol plus acetonitrile mixed cosolvents on the solubility of stearic acid in supercritical CO2[J]. FLUID PHASE EQUILIBRIA,1998,149(1-2):277-286.
APA Guan, B,Han, BX,&Yan, HK.(1998).Effect of acetic acid plus acetonitrile and ethanol plus acetonitrile mixed cosolvents on the solubility of stearic acid in supercritical CO2.FLUID PHASE EQUILIBRIA,149(1-2),277-286.
MLA Guan, B,et al."Effect of acetic acid plus acetonitrile and ethanol plus acetonitrile mixed cosolvents on the solubility of stearic acid in supercritical CO2".FLUID PHASE EQUILIBRIA 149.1-2(1998):277-286.
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