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Separation Process Engineering: Includes Mass Transfer Analysis, Third Edition by Phillip C. Wankat

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18.1.3 Adsorption Equilibrium Behavior

Equilibrium behavior of adsorbents is usually determined as constant temperature isotherms. Valenzuela and Myers (1984, 1989) present the most extensive compilations of isotherm data, and are the best entry point into the very large literature on adsorption equilibrium measurements and theories. Basmadjian (1986) has extensive data on water isotherms from gases and liquids. Dobbs and Cohen (1980) and Faust and Aly (1987) present adsorption data for common pollutants.

Relatively typical isotherm data for gas adsorption of single components are shown in Figures 18-2A and 18-2B. Figure 18-2A shows the effect of changing the gas. Hydrogen is least strongly adsorbed, followed by methane. Adsorption peaks for ...

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