LIQUID-LIQUID EQUILIBRIUM FOR THE TERNARY SYSTEMS WATER + DMM3 + (P-XYLENE, TOLUENE, AND N-HEPTANE) AT DIFFERENT TEMPERATURES

被引：12
|
作者：
Shi, Midong [1 ]
Yu, Xuemin [1 ]
He, Gaoyin [1 ]
Li, Qingsong [1 ]
机构：
[1] China Univ Petr East China, Coll Chem Engn, State Key Lab Heavy Oil Proc, Qingdao 266580, Shandong, Peoples R China
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2018年 / 96卷 / 04期
关键词：
liquid-liquid equilibria; DMM3; p-xylene; toluene; n-heptane; POLYOXYMETHYLENE DIMETHYL ETHERS; REACTION-KINETICS; PARA-XYLENE; METHANOL; ACID; EXCESS; FORMALDEHYDE; CYCLOHEXANE; EXTRACTION; MIXTURES;
D O I：
10.1002/cjce.23001
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In order to reduce the decomposition of DMM3, the DMM3 aqueous solution was separated by liquid-liquid extraction. Liquid-liquid equilibria (LLE) data for three ternary systems of water + DMM3 + p-xylene, water + DMM3 + toluene, and water + DMM3 + n-heptane were measured under atmospheric pressure at 303.15 K and 313.15 K. The results indicated that p-xylene, toluene, and n-heptane showed excellent extraction ability for separating DMM3 aqueous solution. Moreover, the LLE data were correlated by NRTL and UNIQUAC models with good agreement.
引用
收藏
页码：968 / 977
页数：10
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