LIQUID-LIQUID PHASE EQUILIBRIUM IN SATURATED HYDROCARBON - ARENES C6-C8 - MIXED EXTRACTANT SYSTEMS

被引：1

作者：

Gaile, A. A. ^{[1
]}

Erzhenkov, A. S. ^{[1
]}

Koldobskaya, L. L. ^{[1
]}

Solovykh, I. A. ^{[1
]}

机构：

[1] St Petersburg State Technol Inst, KINEF, JSC, St Petersburg, Russia

来源：

CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS | 2011年 / 47卷 / 02期

关键词：

reformate; C-6-C-8; arenes; trithylene glycol; sulfolane; liquid-liquid phase diagrams;

D O I：

10.1007/s10553-011-0269-0

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Experimental data are reported on liquid-liquid equilibrium in saturated hydrocarbon - C-6-C-8 arene - mixed extractant (triethylene glycol-sulfolane-water) pseudoternary systems of varying composition at 50 degrees C. It was shown that increasing the sulfolane: TEG ratio from 21.7:78.3 to 60:40 changes the character of the bimodal curve in the phase diagram from the open to the closed type. As a result, for the same ratio of extractant and feedstock, all of the extraction indices - the degree of extraction, distribution coefficients, and arene content in the extractant - improved and the hydrocarbon fractionation factors increased.

引用

页码：134 / 139

页数：6