Analysis and perspectives concerning CO 2 chemisorption on lithium ceramics using thermal analysis

José Ortiz-Landeros, Tatiana L. Ávalos-Rendón, Carlos Gómez-Yáñez, Heriberto Pfeiffer

Research output: Contribution to journalArticlepeer-review

78 Scopus citations

Abstract

CO 2 removal from flue gas has been proposed as one of the most reliable solutions to mitigate global greenhouse emissions. Lithium ceramics are among several materials that have potential applications in CO 2 removal. Lithium ceramics are able to chemisorb CO 2 in a wide temperature range, presenting several interesting properties. All lithium ceramics present a similar CO 2 chemisorption reaction mechanism that has been described at the micrometric scale. However, there are several issues that have not been fully elucidated. The aim of this study is to re-analyze different experiments related to the CO 2 chemisorption on lithium ceramics and to propose how different factors control this process. This study focuses on diffusion controlled CO 2 chemisorption, which has been shown to be the limiting step of the CO 2 chemisorption process. Diffusion controlled CO 2 chemisorption appears to be mainly influenced by the chemical composition of a product's external shell.

Original languageEnglish
Pages (from-to)647-655
Number of pages9
JournalJournal of Thermal Analysis and Calorimetry
Volume108
Issue number2
DOIs
StatePublished - May 2012
Externally publishedYes

Keywords

  • Greenhouse effect
  • Lithium ceramics
  • Thermal analyses

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