Comparative study of the heats of absorption of post-combustion CO2 absorbents

被引：118
|
作者：
Kim, Inna [1 ]
Svendsen, Hallvard F. [1 ]
机构：
[1] Norwegian Univ Sci & Technol NTNU, NO-7491 Trondheim, Norway
来源：
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL | 2011年 / 5卷 / 03期
关键词：
Absorption; Enthalpy; Carbon dioxide; Amine; CARBON-DIOXIDE; AQUEOUS-SOLUTIONS; MONOETHANOLAMINE; ENTHALPIES; SOLUBILITY; METHYLDIETHANOLAMINE; DIETHANOLAMINE; EQUILIBRIUM; MIXTURES;
D O I：
10.1016/j.ijggc.2010.05.003
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Heats of absorption of CO2 with different solvents were measured in this work in a commercially available reaction calorimeter CPA-122 (Chemisens AS, Sweden) as function of temperature, loading and solvent composition over the temperature range from 40 to 120 degrees C. Studied amines include primary amines (monoethanolamine and 2-amino-2-methyl-1-propanol), tertiary amines (N-methyldiethanolamine and N,N-diethylethanolamine), diamines (1-(2-aminoethyl)-aminoethanol and N-methyl-1,3-propanediamine), triamine (diethylenetriamine), and cyclic amine (piperazine). Combinations of these amines and also mixtures of potassium carbonate and piperazine were tested. Experimental heats of absorption of CO2 with these systems are compared. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：390 / 395
页数：6
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