Abstract
Carbon dioxide adsorption on the microporous carbon adsorbent PAU-10 within the 177.8—423 K temperature and 0.1—5.13·106 Pa pressure intervals was studied. The isosteres of absolute adsorption are well approximated by straight lines, which do not change their slope on going to temperatures higher than the critical temperature of CO2. An increase in the differential molar isosteric heat of adsorption (q st) at 0 < a < 1 mmol g−1 is explained by the influence of the endothermic effect of adsorption expansion of the adsorbent. In the region of high pressures and nonideal gas phase, q st is temperature-dependent.
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Kharitonov, A.B., Fomkin, A.A., Pribylov, A.A. et al. Adsorption of carbon dioxide on microporous carbon adsorbent PAU-10. Russian Chemical Bulletin 50, 591–594 (2001). https://doi.org/10.1023/A:1011336122835
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DOI: https://doi.org/10.1023/A:1011336122835