LIQUID-LIQUID EQUILIBRIA OF 3 TERNARY-SYSTEMS - METHANOL-HEPTANE INCLUDING 1,3-DIOXOLANE, 1,4-DIOXANE AND TETRAHYDROPYRAN IN THE RANGE OF 253.15 TO 303.15K

被引：16
|
作者：
KATAYAMA, H
ICHIKAWA, MA
机构：
[1] Hosei University, Department of Materials Chemistry, Kajino-cho, Koganei
来源：
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN | 1995年 / 28卷 / 04期
关键词：
PHASE EQUILIBRIUM; 1,3-DIOXOLANE; 1,4-DIOXANE; TETRAHYDROPYRAN;
D O I：
10.1252/jcej.28.412
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Liquid-liquid equilibria of three ternary systems-methanol-heptane-1,3-dioxolane, methanol-heptane-1,4-dioxane, and methanol-heptane-terahydropyran-were measured at 253.15, 273.15, 283.15, 293.15 and 303,15K for the first and third systems, and at 273.15, 283.15, 293.15 and 303.15K for the second system, 1,3-dioxolane, 1,4-dioxane and tetrahydropyran are cyclic ether compounds. We found expanses of the two liquid phase areas of the systems on the phase diagram were proportional to the ratio of the number of oxygen atoms to that of carbon atoms (O/C) in the molecules of the cyclic ethers, The distribution ratio of the ethers in methanol/heptane phases was related to the O/C ratio as well. Results were also successfully correlated using the NRTL equation.
引用
收藏
页码：412 / 418
页数：7
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