Abstract
Adsorption isotherms of carbon dioxide on microporous carbon adsorbents prepared by activation with potassium sulfide in water vapor were measured. The measurements were carried out in the pressure interval from 1 Pa to 0.1 MPa at temperatures from 216.2 to 293.15 K. Based on the theory of volumetric filling of micropores, the main structural and energetic parameters of the microporous carbon adsorbents were calculated. The adsorption isosters of carbon dioxide were calculated from the adsorption isotherms in the same pressure and temperature ranges and approximated by linear dependences. The plots of the differential mole isosteric heats of adsorption vs amount adsorbed were constructed by using the adsorption isosters.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 717–720, April, 2009.
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Potapov, S.V., Fomkin, A.A. & Sinitsyn, V.A. Adsorption of carbon dioxide on microporous carbon adsorbents. Russ Chem Bull 58, 733–736 (2009). https://doi.org/10.1007/s11172-009-0086-3
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DOI: https://doi.org/10.1007/s11172-009-0086-3