Extraction of 2-chloroethanol from aqueous solutions by trioctylamine

被引：8

作者：

Wang, Qi ^{[1
]}

Liu, Jiquan ^{[2
]}

Jiang, Lin ^{[1
]}

机构：

[1] Beijing Municipal Res Inst Environm Protect, Solid Waste Pollut Control Div, Beijing 100037, Peoples R China

[2] Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Shandong, Peoples R China

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2012年 / 18卷 / 04期

关键词：

Extraction; Trioctylamine; Hydrochloric acid; 2-Chloroethanol; NEUTRAL ORGANOPHOSPHORUS COMPOUNDS; HYDROCHLORIC-ACID SOLUTIONS; LIQUID-LIQUID-EXTRACTION; TRI-N-OCTYLAMINE; REACTIVE EXTRACTION; SOLVENT-EXTRACTION; SEPARATION; WATER; VI;

D O I：

10.1016/j.jiec.2012.01.022

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The trioctylamine (TOA) with kerosene as a diluent was used to separate 2-chloroethanol from aqueous hydrochloride acid solution. The stoichiometry of complex data was studied with infrared spectroscopic and the result shows that the ratio of 2-chloroethanol to amine in the complex was 1:2. The equilibrium constant was assumed to be 4.05 x 10(5). Effects of temperature, equilibrium pH. TOA concentration, organic phase to aqueous (O/A) phase ratio and contact time on extraction yield of 2-chloroethanol were investigated. The results show that extraction yield can reach 58.2% under the optimum conditions. (c) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：1267 / 1271

页数：5

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