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
收藏
页码：1267 / 1271
页数：5
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