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Guidelines for general adsorption kinetics modeling

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2020
0367-598X2001065O.pdf (416.3Kb)
Authors
Obradović, Bojana
article (publishedVersion)
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Abstract
Adsorption processes are widely used in different technological areas and industry sectors, thus continuously attracting attention in the scientific research and publications. Design and scale-up of these processes are essentially based on the knowledge and understanding of the adsorption kinetics and mechanism. Adsorption kinetics is usually modeled by using several well-known models including the pseudo-first and pseudo-second order models, the Elovich equation, and the intra-particle diffusion based models. However, in the scientific literature there are a significant number of cases with the inappropriate use of these models, utilization of erroneous expressions, and incorrect interpretation of the obtained results. This paper is especially focused on applications of the pseudo-second order, intra-particle diffusion and the Weber-Morris models, which are illustrated with typical examples. Finally, general recommendations for selection of the appropriate kinetic model and model assu...mptions, data regression analysis, and evaluation and presentation of the obtained results are outlined.

Keywords:
pseudo-second order kinetics / intra-particle diffusion / Weber-Morris model / linear regression / errors in kinetics modeling
Source:
Hemijska industrija, 2020, 74, 1, 65-70
Publisher:
  • Savez hemijskih inženjera, Beograd
Funding / projects:
  • info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45019/RS// (RS-45019)

DOI: 10.2298/HEMIND200201006O

ISSN: 0367-598X

WoS: 000518443600006

Scopus: 2-s2.0-85081262560
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URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4488
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  • Radovi istraživača / Researchers’ publications (TMF)
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Tehnološko-metalurški fakultet

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