Comparative Study of the Adsorption Equilibrium of CO2 on Microporous Commercial Materials at Low Pressures
作者： S. I. Garcés , J. Villarroel-Rocha , K. Sapag , S. A. Korili , A. Gil
DOI: 10.1021/IE400380W
关键词:
摘要: The adsorption of CO2 on several microporous materials has been measured at various temperatures (263, 273, 283, and 293 K) over a wide range pressures. porous studied were three zeolites (5A, 13A, 13X), two metal–organic frameworks (Basolite A100 Basolite Z1200), an activated carbon, pillared clays (Al-PILC Zr-PILC). data obtained fitted to the Freundlich, Langmuir, Toth isotherms. Various methods used calculate Henry’s law constants. values found for zeolites, which ranged from 8.95 36.02 mmol/kPa·g 273 K, much higher than those frameworks, clays, 0.012 0.200 same temperature. isosteric heats calculated using Clausius–Clapeyron equation, adsorbent–CO2 affinity was increase in order Z1200 ≈ 13X 13A < 5A Zr-PILC AC Al-PILC low loadings.
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