Abstract

Solid soda lime sorbents are promising materials for CO2 removal in closed-circuit breathing systems. In this study, the soda lime sorbent Drägersorb 800+ has been tested in a fixed bed reactor. The changes in composition, structure, and texture of the sorbent occurring in the process of CO2 sorption have been studied using thermogravimetry, X-ray diffraction analysis, nitrogen adsorption (BET), mercury porosimetry and scanning electron microscopy methods. A non-stationary model has been developed for simulating CO2 chemisorption in the fixed bed. The results of the simulation have been found to be in a good agreement with the experimental data.

Original languageEnglish
Pages (from-to)485-497
Number of pages13
JournalSeparation Science and Technology (Philadelphia)
Volume56
Issue number3
DOIs
Publication statusPublished - 2021

Keywords

  • carbon dioxide
  • chemisorption
  • dynamics
  • mathematical modeling
  • soda lime
  • CO2
  • SORPTION
  • ADSORPTION PROPERTIES
  • REMOVAL
  • KINETICS
  • DEGRADATION
  • SODA LIME
  • ABSORBENT
  • ABSORPTION
  • CAPTURE

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