Membrane technology in carbon dioxide removal
article
The application of membrane technology in carbon dioxide removal was investigated for a number of different gasstreams. These gasstreams have been defined in the framework of the Dutch national programme on carbon dioxide removal and are typical of streams occurring in present and future electricity generation plants based on fossil fuels (natural gas and coal). They are either mixtures of mainly nitrogen, water and carbon dioxide or mixtures of mainly hydrogen, water and carbon dioxide. The membrane based carbon dioxide removal unit needs to meet certain requirements regarding product gas recovery and purity. Two different types of membrane operations have been considered i.e. carbon dioxide removal based on gas-absorption membranes making use of e.g. conventional amine technology and carbon dioxide removal based on gas separation membranes. Gas separation membranes appeared to be limited by their low selectivities for the given gas mixtures. In contrast, gas absorption membranes appeared to be more promising as they combine the advantages of absorption technology (high selectivity) and membrane technology (compactness of equipment).
TNO Identifier
231872
ISSN
01968904
Source
Energy Conversion and Management, 33(5-8), pp. 421-428.
Publisher
Pergamon Press
Collation
8 p.
Pages
421-428
Files
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