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Correlation of adsorption isotherms of hydrocarbon gases on activated carbon

✍ Scribed by T.V. Lee; J.-C. Huang; D. Rothstein; R. Madey

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
302 KB
Volume
22
Category
Article
ISSN
0008-6223

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✦ Synopsis

single curve of the adsorbate volume W in the adsorbed phase versus the reduced adsorption potential # correlates adsorption isotherms of saturated hydrocarbons of low molecular weight (viz. ethane, propane, and n-butane) at pressures from 0.034 to IO mm Hg on Columbia 4LXC 12128 activated carbon at 25 and 30Β°C. This correlation is based on the Polanyi-Dubinin adsorption potential theory and the use of the Peng-Robinson equation of state to calculate thermodynamic properties. This correlation can be represented analytically by expanding the logarithm of W in terms of a quadratic polynomial in 4.

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