TG-FTIR measurement of CO2-H2O co-adsorption for CO2 air capture sorbent screening

I.M. Smal, Qian Yu, Rens Veneman, B. Fränzel-Luiten, Derk Willem Frederik Brilman

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Capturing atmospheric CO2 using solid sorbents is gaining interest. As ambient air normally contains much more (up to 100 times) water than CO2, a selective sorbent is desirable as co-adsorption will most likely occur. In this study, a convenient method based on an TG-FTIR analysis system is developed and used to characterize sorbents for their water and CO2 adsorption capacity when exposed to ambient air. The method allows to determine quantitatively the co-adsorbed amounts of CO2 and water from small sample sizes (10 mg range) and is expected to be a useful instrument in sorbent screening and evaluation
Original languageEnglish
Pages (from-to)6834-6841
Number of pages8
JournalEnergy procedia
Publication statusPublished - 2014


  • METIS-308468
  • IR-95085


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