期刊
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
卷 18, 期 -, 页码 305-314出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2013.08.002
关键词
CO2 absorption; Pilot plant studies; Post-combustion capture; Amine solvents
类别
资金
- European Commission [213569]
- E.ON, GDF SUEZ
- Hitachi Power Europe
Pilot plant experiments for post-combustion capture (PCC) were carried out with two new amine based solvent systems: Solvent A and Solvent B. Solvent A is an aqueous solution of a secondary amine tested within an industrial partnership and Solvent B is an aqueous solution of a mixture of the sterically hindered amine 2-amino 2-methyl 1-propanol (AMP) and the primary diamine 1,2-ethanediamine (EDA) tested within the EU-project CESAR. Experiments were carried out at various liquid to gas flow ratios (L/G) with a constant CO2 partial pressure of 100 mbar, a constant F-factor of 1.7 Pa-0.5 and a constant CO2 removal rate of 90%, which was achieved by an adjustment of the reboiler duty. For Solvent A and B, the optimum reboiler duty was found to be reduced by 16% and 9%, respectively, compared to the standard solvent MEA. Also the numbers for the optimum L/G ratio were lower than for MEA by 37% for Solvent A and 45% for Solvent B. The influence of kinetic effects was studied by lowering the gas flow rate at a constant L/G ratio. The results show that Solvent A has similar and Solvent B slightly slower overall mass transfer kinetics compared to MEA. (C) 2013 Elsevier Ltd. All rights reserved.
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