Liquid-liquid equilibria for the binary systems of sulfolane with alkanes

被引：26
|
作者：
Ko, Minsu
Im, Jihoon
Sung, Joon Yong
Kim, Hwayong [1 ]
机构：
[1] Seoul Natl Univ, Sch Chem Engn, Seoul 151744, South Korea
[2] Seoul Natl Univ, Inst Chem Proc, Seoul 151744, South Korea
[3] Yonsei Univ, Ctr Clean Technol, Seoul 120749, South Korea
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2007年 / 52卷 / 04期
关键词：
D O I：
10.1021/je7001607
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Liquid-liquid equilibrium (LLE) data were measured for four binary systems containing sulfolane and alkanes (pentane, hexane, heptane, and octane) over the temperature range around 300 K to the near upper critical solution temperature (UCST) using circulation-type equipment with an equilibrium view cell. The compositions of both alkane-rich and sulfolane-rich phases were analyzed by on-line gas chromatography. The binary liquid-liquid equilibrium data were correlated with the nonrandom two-liquid (NRTL) model using temperature-dependent parameters. The NRTL model correlated with good accuracy.
引用
收藏
页码：1464 / 1467
页数：4
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