A new separation method for phenolic compounds from low-temperature coal tar with urea by complex formation

被引：40
|
作者：
Jiao, Tiantian [1 ,2 ]
Gong, Maoming [1 ,2 ]
Zhuang, Xulei [1 ]
Li, Chunshan [1 ]
Zhang, Suojiang [1 ]
机构：
[1] Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 29卷
关键词：
Phenolic compounds; Coal tar; Separation process; Urea; M-CRESOL; OILS; ALCOHOL;
D O I：
10.1016/j.jiec.2015.04.013
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new reaction agent (urea) was used to efficiently separate the phenol and cresols from low-temperature coal tar (model oil) through complexing. The effects of contact time, reaction temperature, and initial concentration were investigated. The phenols content of the upper layer was analyzed by using gas chromatography. The separation mechanism was determined by analyzing the chemical bond of the complex for urea and m-cresol using Fourier transform infrared spectrometer. Finally, urea can be recovered through reaction with diethyl ether, and the phenols removal efficiencies can remain constant after three cycles. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：344 / 348
页数：5
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