Sorption of carbon dioxide by the composite sorbent “potassium carbonate in porous matrix” View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2003-02

AUTHORS

A. G. Okunev, V. E. Sharonov, A. V. Gubar", I. G. Danilova, E. A. Paukshtis, E. M. Moroz, T. A. Kriger, V. V. Malakhov, Yu. I. Aristov

ABSTRACT

Sorption of CO2 in the presence of water vapor by the K2CO3—γ-Al2O3 composite sorbent was studied by IR spectroscopy in situ, X-ray diffraction analysis, and the differentiating dissolution method and reasons for a decrease in its dynamic capacity are given. The samples containing K2CO3·1.5H2O in pores are characterized by the maximal dynamic capacity. A mechanism for CO2 sorption was proposed, which qualitatively explains the obtained dependence of the capacity on the water content in the composite sorbent. A high dynamic capacity can be maintained by regeneration of the sorbents by water vapor at 170 °N. The capacity of the sorbents decreases during the first 10 sorption—regeneration cycles due to the formation of an inactive phase of potassium aluminum carbonate. More... »

PAGES

359-363

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/a:1023450614383

DOI

http://dx.doi.org/10.1023/a:1023450614383

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1040749471


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