Solvents with low critical solution temperature for CO2 capture

被引：21
|
作者：
Xu, Zhicheng [1 ]
Wang, Shujuan [1 ]
Liu, Jinzhao [1 ]
Chen, Changhe [1 ]
机构：
[1] Tsinghua Univ, Dept Thermal Engn, Minist Educ, Key Lab Thermal Sci & Power Engn, Beijing 100084, Peoples R China
来源：
6TH TRONDHEIM CONFERENCE ON CO2 CAPTURE, TRANSPORT AND STORAGE | 2012年 / 23卷
关键词：
CO2; absorption; desorption; solvent; low critical solution temperature; CARBON-DIOXIDE; ABSORPTION;
D O I：
10.1016/j.egypro.2012.06.045
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：
The absorption and desorption characteristics of five amine solutions with low critical solution temperature were tested, analyzed and compared with 5M MEA using a fast screening experiment system. The results showed that among these solvents, 5M N-Ethylmethallylamine (EMAA) has the fastest initial absorption rate, 3M Triethylamine (TEA) has the largest carrying capacity, and 2M Diisopropylamine (DIPA) has the highest CO2 removal efficiency with relatively high absorption rate. 2M DIPA shows the best performance based on the combined analysis. None of these five amines show phase transition during absorption at 40 degrees C, while 3M TEA and 5M Diallylamine (DAA) become two phases after desorption, and can keep being two phase after cooling to room temperature. (C) 2012 The Authors. Published by Elsevier Ltd. Selection and/or peer-review under responsibility of SINTEF Energi AS
引用
收藏
页码：64 / 71
页数：8
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