Aromatization of propane–butane fraction over the ZnCrHZSM-5 catalyst: Kinetic modeling of the process

The aromatization reaction of a propane-rich propane–butane mixture on an HZSM-5 catalyst modified with chromium and zinc ions has been studied in a flow reactor at temperatures in the range of 530–640°C. Kinetic modeling of the process as a heterogeneous catalytic reaction was performed using the e...

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Published inPetroleum chemistry Vol. 55; no. 8; pp. 632 - 639
Main Authors Shvets, V. F., Sapunov, V. N., Kozlovskii, R. A., Staroverov, D. V., Gartman, T. N., Sovetin, F. S., Borovkova, E. A., Loktev, A. S., Levchenko, D. A., Tyumenova, S. I., Dedov, A. G.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.11.2015
Springer
Subjects
Analysis
Butane
Chemistry
Chemistry and Materials Science
Dehydrogenation
Heterogeneous catalysis
Industrial Chemistry/Chemical Engineering
modeling
heterogeneous catalysis
aromatization of propane–butane fraction
kinetics
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Summary:The aromatization reaction of a propane-rich propane–butane mixture on an HZSM-5 catalyst modified with chromium and zinc ions has been studied in a flow reactor at temperatures in the range of 530–640°C. Kinetic modeling of the process as a heterogeneous catalytic reaction was performed using the experimental data obtained under conditions of unfeasibility of simultaneous maintenance of temperature and space time in each kinetic experiment. The approach proposed has made it possible to reveal the scheme of conversion of the propane–butane reactants to aromatic hydrocarbons, develop a kinetic model of the process, and find its parameters to ensure an adequate mathematical description of the experimental data.
ISSN:0965-5441
1555-6239
DOI:10.1134/S0965544115080162