Modeling of Side Reactions in Propane Dehydrogenation Over Pt-Sn/γ-Al2O3 Catalyst

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Farjoo, Afrooz | 2012

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 40051 (06)
University: Sharif University of Technology
Department: Chemical and Petroleum Engineering
Advisor(s): Khorasheh, Farhad
Abstract:
The kinetics of side reactions in dehydrogenation of propane over a supported platinum catalyst modified by tin was investigated. Catalytic dehydrogenation over a commercial Pt-Sn/γ-Al2O3 was carried out in a laboratory-scale plug-flow reactor at 580 to 620oC under atmospheric pressure. Several kinetic models derived from different reaction mechanisms were tested using experimental data obtained over a range of reaction conditions. It was found that the kinetics of the main dehydrogenation reaction was best described in terms of a Langmuir-Hinshelwood mechanism where adsorption of propane was the rate controlling step. Simple power low rate expressions were used to express the kinetics of side reactions.
Keywords:
Kinetics Study ; Platinum Catalyst ; Propane Dehydrogenation ; Reaction Kinetics ; Side Reaction

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