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Title

The maximum capture efficiency of CO2 using a carbonation/calcination cycle of CaO/CaCO3

AuthorsAbanades García, Juan Carlos CSIC ORCID
KeywordsCO2 capture
CO2 separation
Carbonation
Calcination
Issue Date21-Sep-2002
PublisherElsevier
CitationChemical Engineering Journal 90(3): 303-306 (2002)
AbstractThe use of natural calcium carbonates as regenerable CO2 sorbents in industrial processes is limited by the rapid decay of the carbonation conversion with the number of cycles carbonation/calcination. However, new processes are emerging to capture CO2 using these cycles, that can take advantage of the intrinsic benefits of high temperature separations in energy systems. This work presents an analysis of a general carbonation/calcination cycle to capture CO2, incorporating a fresh feed of sorbent to compensate for the decay in activity during sorbent re-cycling. A general design equation for the maximum CO2 capture efficiency is obtained by incorporating to the cycle mass balances a simple but realistic equation to estimate the decay in sorbent activity with the number of cycles.
Description4 pages, 3 figures, 1 table.-- Printed version published Dec 28, 2002.
Publisher version (URL)http://dx.doi.org/10.1016/S1385-8947(02)00126-2
URIhttp://hdl.handle.net/10261/11450
DOI10.1016/S1385-8947(02)00126-2
ISSN1385-8947
Appears in Collections:(ICB) Artículos

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