Title
Estimating the overall mass transfer coefficient <tex>$k_{v}$</tex> of the Wheeler-Jonas equation : a new and simple model Estimating the overall mass transfer coefficient <tex>$k_{v}$</tex> of the Wheeler-Jonas equation : a new and simple model
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Thorofare, N.J. ,
Subject
Chemistry
Biology
Human medicine
Source (journal)
American Industrial Hygiene Association journal. - Thorofare, N.J.
Volume/pages
61(2000) :4 , p. 501-505
ISSN
0002-8894
1529-8663
ISI
000089556400009
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The modified Wheeler-Jonas model is well known for its good prediction of breakthrough times for organic vapors on activated carbon beds. To use this model adequately one must estimate the overall adsorption rate coefficient k(v). In this work a new equation is proposed to calculate k(v). The relevant parameters of this equation are the airstream velocity, the affinity constant beta of the organic vapor, and the mean diameter of the carbon particles. Very accurate predictions were obtained for breakthrough times on a wide range of carbons using the calculated values of k(v). Compared with other models, this model shows a higher accuracy and a lower degree of uncertainty.
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