Assessment of different methods of CO2 capture in post-combustion using ammonia as solvent

被引:40
|
作者
Toro Molina, Carol [1 ]
Bouallou, Chakib [1 ]
机构
[1] MINES ParisTech, Ctr Efficacite Energet Syst, F-75006 Paris, France
关键词
CO2; absorption; Postcombustion capture; Aqueous ammonia; Membrane contactor; LIQUID CONTACTING PROCESS; AMINE DEGRADATION; CARBON-DIOXIDE; GAS; ABSORPTION;
D O I
10.1016/j.jclepro.2014.03.024
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Aqueous ammonia is well known to be a substitute of MEA solvent for absorbing CO2 in post-combustion process. However, aqueous ammonia is highly volatile it can become gaseous and leaves the absorption column with the treated gas. Several processes that use ammonia solution as solvent deal with this problem. The use of membrane contactor could limit ammonia loss and could widen the operative ranges of temperature, pressure and ammonia concentration. This paper aims at evaluating and comparing different methods to capture CO2 by ammoniac. The evaluation of all process has demonstrated a high CO2 removal efficiency. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:463 / 468
页数:6
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