Adsorption interaction of water with microporous adsorbents. Part 2.—Enthalpy of immersion and thermal-desorption studies
- 1 January 1983
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 79 (5) , 1157-1164
- https://doi.org/10.1039/f19837901157
Abstract
The net integral molar enthalpy of immersion, in water and CCl4, of activated carbon cloth exhibits a maximum value with increasing air or nitric acid activation. The effect is ascribed to the occurrence of optimum pore dimensions. Molecular-sieve and specific-interaction phenomenon complicate the interpretation of the data but a separation of the pore dimension effect can be achieved. Programmed thermal-desorption studies on molecular sieve are used to demonstrate kinetic effects which arise from similar aperture or pore-opening influences.Keywords
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