Abstract
The adsorption measurement methods for porous inorganic membranes such as zeolite membranes were reviewed. The adsorption measurement methods were classified in 5 types (gravimetric methods, volumetric methods, concentration measurement methods, membrane permeation methods and simulation methods). Adsorption on zeolite particles or membranes was usually explained by a Langmuir adsorption type. Selective adsorption of ethanol on a silicalite zeolite membrane was measured by using an adsorption desorption method. Based on the selective adsorption measurements, the permselectivity through the silicalite membrane was found to be due to the adsorption selectivity of ethanol on the silicalite membrane.
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