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Both thermogravimetry and manometry coupled to calorimetry techniques were used to determine the adsorption equilibrium of ethyl mercaptan in pure and extruded NaX zeolites. Sorption isotherms were investigated from 298 to 373 K, and over a large range of pressure from 10− 4 to 100 hPa. Adsorption heats were measured at 298 K. Reversible adsorption-desorption isotherms are type I shaped and characterize...
In this paper we present the major results of a thermodynamic and structural study of the adsorption of 2-methylpentane (2MP) and 2,2-dimethylbutane (22DMB) on a ZSM-5 zeolite under isothermal and isobaric conditions. A thermodynamically inconsistent behavior is observed with 22DMB at constant pressure: the adsorbed amount increases as the temperature of the zeolite increases from 343 to 443 K. We...
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