Research Article
Aug 1980
Dual Rate Kinetic Model of Fixed Bed Adsorber
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VIEW THE REPLYAuthors: Russell G. Peel and Andrew BenedekAuthor Affiliations
Publication: Journal of the Environmental Engineering Division
Volume 106, Issue 4
Abstract
An activated carbon adsorption model is presented which predicts performance of adsorption beds using parameters evaluated from batch tests. The proposed dual rate model assumes that a fraction of the total capacity is rapidly utilized in pores which are large with respect to the size of the diffusing species, and that following the rapid uptake phase the remaining capacity is utilized slowly and involves diffusion in pores of similar size to the adsorbate. The model is shown to describe experimental data very well and can be used to suggest why previous efforts at predictive modelling of adsorption beds have had only limited success.
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Published In
Journal of the Environmental Engineering Division
Volume 106 • Issue 4 • August 1980
Pages: 797 - 813
Copyright
© 1980 American Society of Civil Engineers.
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Published in print: Aug 1980
Published online: Feb 11, 2021
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Russell G. Peel
Grad. Student Dept. of Chem. Engrg., McMaster Univ., Hamilton, Ontario, Canada
Andrew Benedek
Assoc. Prof. Dept. of Chem. Engrg., McMaster Univ. Hamilton, Ontario, Canada
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