Journal
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
Volume 4, Issue 5, Pages 739-755Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2010.04.001
Keywords
Membrane; Gas separation; Carbon dioxide; Hydrogen; Water-gas shift; Membrane reactors; Pre-combustion capture design
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The application of membrane gas separation to CO2 capture from a coal gasification process is one potential solution to reduce greenhouse gas emissions. This review considers the potential for either H-2- or CO2-selective membranes in an integrated gasification combined cycle (IGCC) process. In particular, the advantages and disadvantages of metallic, porous inorganic and polymeric membranes are considered. This analysis is extended to consider membrane technology as an enhancement to the water-gas shift reaction, to drive the production of hydrogen above the thermodynamic limit. The review concludes with a brief overview of the economics of incorporating membrane gas separation into the IGCC process and gives an indication of the potential economic use of membrane gas separation technology in the IGCC process. (C) 2010 Elsevier Ltd. All rights reserved.
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