Adsorption and desorption kinetics for hydrophilic and hydrophobic vapors on activated carbon

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Fletcher, A.J. and Yuzak, Y. and Thomas, K.M. (2006) Adsorption and desorption kinetics for hydrophilic and hydrophobic vapors on activated carbon. Carbon, 44 (5). pp. 989-1004. ISSN 0008-6223 (http://dx.doi.org/10.1016/j.carbon.2005.10.020)

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Abstract

Adsorption dynamics are of fundamental importance in applications of adsorbents in real situations. The adsorption/desorption characteristics of a series of adsorbates, with varying hydrophilic/hydrophobic and structural characteristics, for activated carbon BAX950, were investigated for temperatures in the range 288-323 K. These data provide a comprehensive kinetic study of adsorption/desorption for an activated carbon. The results are discussed in relation to the adsorbent pore structure and functional group concentration, adsorptive structure and adsorption mechanism. The study provides evidence for a compensation effect where activation energy and ln(pre-exponential factor) parameters obtained from the Arrhenius equation exhibit a linear correlation.

ORCID iDs

Fletcher, A.J. ORCID logoORCID: https://orcid.org/0000-0003-3915-8887, Yuzak, Y. and Thomas, K.M.;
CORE (COnnecting REpositories)