Solubility of p-methylbenzene sulfonic acid in pure and modified Supercritical carbon dioxide

被引：10
|
作者：
Zhang, Ze-ting [1 ]
Li, Wen-ming [1 ]
Jin, Jun-su [1 ]
Tian, Guo-hua [1 ]
机构：
[1] Beijing Inst Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2008年 / 53卷 / 02期
关键词：
D O I：
10.1021/je700639s
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solubilities of p-methylbenzene sulfonic acid in supercritical carbon dioxide were determined at (308, 318, and 328) K and in the pressure range from (8 to 21) MPa. The effects of cosolvents (ethyl acetate, ethyl acetate + ethanol (molar ratio 1: 1), ethanol, and acetone) on the solubility of p-methylbenzene sulfonic acid were studied at a concentration of 1.5 mol %. The measured solubilities in supercritical carbon dioxide in the absence and presence of cosolvents were correlated using the Chrastil and modified Chrastil equation with good results, respectively.
引用
收藏
页码：600 / 602
页数：3
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