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CO2 capture from humid flue gases and humid atmosphere using a microporous coppersilicate
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Number of Authors: 11
2015 (English)In: Science, ISSN 0036-8075, E-ISSN 1095-9203, Vol. 350, no 6258, 302-+ p.Article in journal (Refereed) Published
Abstract [en]

Capturing CO2 from humid flue gases and atmosphere with porous materials remains costly because prior dehydration of the gases is required. A large number of microporous materials with physical adsorption capacity have been developed as CO2-capturing materials. However, most of them suffer from CO2 sorption capacity reduction or structure decomposition that is caused by co-adsorbed H2O when exposed to humid flue gases and atmosphere. We report a highly stable microporous coppersilicate. It has H2O-specific and CO2-specific adsorption sites but does not have H2O/CO2-sharing sites. Therefore, it readily adsorbs both H2O and CO2 from the humid flue gases and atmosphere, but the adsorbing H2O does not interfere with the adsorption of CO2. It is also highly stable after adsorption of H2O and CO2 because it was synthesized hydrothermally.

Place, publisher, year, edition, pages
2015. Vol. 350, no 6258, 302-+ p.
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Chemical Sciences
URN: urn:nbn:se:su:diva-122923DOI: 10.1126/science.aab1680ISI: 000362838700036OAI: diva2:871713
Available from: 2015-11-16 Created: 2015-11-11 Last updated: 2015-11-16Bibliographically approved

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Oleynikov, PeterTerasaki, Osamu
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Department of Materials and Environmental Chemistry (MMK)
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