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Cyclic CO 2 capture by limestone‐derived sorbent during prolonged calcination/carbonation cycling

Cyclic CO 2 capture by limestone‐derived sorbent during prolonged calcination/carbonation cycling The performance of limestone‐derived CaO during many (>1000 in some cases) calcination and carbonation cycles is reported. After 150 cycles, the calcium utilization during carbonation reached a minimum value between 4 and 17%, with the asymptotic level depending strongly on the carbonation time. With the aid of mechanistic studies including investigations on sorbent surface topology by SEM and mercury intrusion, a mechanism for pore evolution during the cyclic capture is proposed consistent with the experimental observations. © 2008 American Institute of Chemical Engineers AIChE J, 2008 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aiche Journal Wiley

Cyclic CO 2 capture by limestone‐derived sorbent during prolonged calcination/carbonation cycling

Aiche Journal , Volume 54 (6) – Jun 1, 2008

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References (34)

Publisher
Wiley
Copyright
Copyright © 2008 American Institute of Chemical Engineers (AIChE)
ISSN
0001-1541
eISSN
1547-5905
DOI
10.1002/aic.11491
Publisher site
See Article on Publisher Site

Abstract

The performance of limestone‐derived CaO during many (>1000 in some cases) calcination and carbonation cycles is reported. After 150 cycles, the calcium utilization during carbonation reached a minimum value between 4 and 17%, with the asymptotic level depending strongly on the carbonation time. With the aid of mechanistic studies including investigations on sorbent surface topology by SEM and mercury intrusion, a mechanism for pore evolution during the cyclic capture is proposed consistent with the experimental observations. © 2008 American Institute of Chemical Engineers AIChE J, 2008

Journal

Aiche JournalWiley

Published: Jun 1, 2008

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