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Carbonation−Calcination Cycle Using High Reactivity Calcium Oxide for Carbon Dioxide Separation from Flue Gas

Gupta, Himanshu, Fan, Liang-S.·2002·Industrial & Engineering Chemistry Research

Abstract

This study is focused on improving the reactivity of a CaO sorbent for its use in a reaction-based process for the separation of carbon dioxide (CO 2 ) from flue gas. The separation process consists of cyclical carbonation (of a metal oxide) and calcination (of the metal carbonate formed) reactions to yield concentrated CO 2 from flue gas. CaO sorbents synthesized from naturally occurring limestone and dolomite were microporous in nature. Pore filling and pore pluggage of these micropores limited the conversion of CaO in the carbonation reaction to about 45−50% of the stoichiometric limit. A wet precipitation process was tailored to synthesize high-surface-area precipitated calcium carbonate (PCC). The pores of PCC predominantly lie in the mesoporous range (5−20 nm). The CaO sorbent obtained from PCC (PCC-CaO) was less susceptible to pore pluggage and attained over 90% conversion. PCC-CaO was also capable of maintaining its high reactivity (>90%) over two carbonation−calcination cycles.

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Metadata

Authors
Gupta, H., & Fan, L.-S.
Venue
Industrial & Engineering Chemistry Research
Published
2002-07-11
Volume
41
Issue
16
Pages
4035-4042
ISSN
  • 0888-5885 (ISSN-L)
  • 1520-5045
OpenAlex
W2103599709
Cited by
541
References
0
FWCI
14.23
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Carbonation−Calcination Cycle Using High Reactivity Calcium Oxide for Carbon Dioxide Separation from Flue Gas. https://app.cochat.ai/papers/10.1021/ie010867l
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Gupta, H., & Fan, L.-S. (2002). Carbonation−Calcination Cycle Using High Reactivity Calcium Oxide for Carbon Dioxide Separation from Flue Gas. Industrial & Engineering Chemistry Research. https://doi.org/10.1021/ie010867l

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