Solubility and partial molar volume of N,N-dimethylformamide diethyl acetal in supercritical carbon dioxide: Measurement and correlations

被引：8

作者：

Zhang, Piyong

Yang, Hai-Jian ^{[1
]}

Xu, Lingxiao

机构：

[1] South Cent Univ Nationalities, State Ethn Affairs Commiss, Key Lab Catalysis & Mat Sci, Coll Chem & Mat Sci, Wuhan 430074, Peoples R China

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 04期

基金：

中国国家自然科学基金;

关键词：

N; N-Dimethylformamide diethyl acetal; Supercritical carbon dioxide; Solubility; Semiempirical models; Partial molar volume; END-GROUP MODIFICATION; OXALYL CHLORIDE; PHASE-BEHAVIOR; CO2; DERIVATIVES;

D O I：

10.1016/j.jiec.2013.09.025

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The solubilities of N,N-dimethylformamide diethyl acetal were measured at temperatures ranging from 313 to 353 K and pressures from 7.8 to 13.3 MPa in supercritical carbon dioxide. The measured solubility data were correlated using the Chrastil, Sung and Shim (SS), and Jouyban-Chan-Foster (JCF) semiempirical models. Consequently, the calculated results showed satisfactory agreement with experimental data and differed from the measured values by between 4.56 and 6.10%. The correlated results indicated that the JCF model provided the best fitness. Solubility data were also utilized to estimate the partial molar volume for the compound in the supercritical phase using the theory developed by Kumar and Johnston. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：1243 / 1246

页数：4

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