A comprehensive estimation of kinetic parameters in lumped catalytic cracking reaction models

This work presents a comprehensive approach to estimate kinetic parameters when the involved reactions contain lumped chemical species. This approach is based on representing rate constants with a continuous probability distribution function. In particular, the beta function is used to estimate kine...

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Bibliographic Details
Published in:Fuel (Guildford) 2009, Vol.88 (1), p.169-178
Main Authors: Hernández-Barajas, José Roberto, Vázquez-Román, Richart, Félix-Flores, Ma.G.
Format: Article
Language:English
Subjects:
Applied sciences
Catalytic cracking
Crude oil, natural gas and petroleum products
Distribution function
Energy
Exact sciences and technology
Fuels
Kinetic modeling
Lumping
Processing of crude oil and oils from shales and tar sands. Processes. Equipment. Refinery and treatment units
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Summary:This work presents a comprehensive approach to estimate kinetic parameters when the involved reactions contain lumped chemical species. This approach is based on representing rate constants with a continuous probability distribution function. In particular, the beta function is used to estimate kinetic parameters in catalytic cracking reactions. Thus, several kinetic models for the catalytic process containing different number of lumps are selected and a discretization procedure is carried out to estimate the corresponding kinetic parameters. The kinetic representation based on the probability distribution substantially reduces the computational and experimental effort involved in the numerical evaluation of kinetic parameters.
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2008.07.023