Carbon dioxide absorption into aqueous amine based solvents: modeling and absorption tests

被引：22

作者：

Dubois, Lionel ^{[1
]}

Thomas, Diane ^{[1
]}

机构：

[1] Univ Mons, Dept Chem Engn, Fac Engn, B-7000 Mons, Belgium

来源：

10TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES | 2011年 / 4卷

关键词：

Absorption; Amines; Carbon dioxide; Modeling; SULFURIC-ACID-SOLUTIONS; SO2; ABSORPTION; MASS-TRANSFER; KINETICS; CO2; PIPERAZINE; MONOETHANOLAMINE; ALKANOLAMINES; DIFFUSIVITY; SOLUBILITY;

D O I：

10.1016/j.egypro.2011.01.194

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：

Mixtures of different types of amines solutions (primary: monethanolamine (MEA), tertiary: methyldiethanolamine (MDEA), sterically hindered: 2-amino-2-methyl-1-propanol (AMP) and absorption activators: piperazine (PZ) and (piperazinyl-1)-2-ethylamine (PZEA)) were experimentally compared with respect to the CO2 removal performances at 25 degrees C and atmospheric pressure. The different tests were achieved with a special gas-liquid contactor (cables-bundle contactor) and has also been simulated using adequately selected literature data on physico-chemical properties of the CO2-amines systems. The different experiments clearly highlighted the positive effect of the addition of an activator (such as PZ and PZEA) or a primary amine (MEA) on the absorption performances. Regarding the simulation results, they matched quite satisfactorily the experimental values concerning individual amines solutions but a less satisfactory agreement could be observed between simulation and experimental results in the case of blended amine solutions. (C) 2011 Published by Elsevier Ltd.

引用

页码：1353 / 1360

页数：8

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