Kinetics of catalytic cracking selectivity in fixed, moving, and fluid bed reactors

Authors:
  • VWVern W. Weekman
    Vern W. Weekman
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Abstract
A kinetic mathematical model of catalytic cracking is described which accounts for conversion and gasoline yield in isothermal fixed, moving, and fluid bed reactors. The model has been tested and verified by using laboratory moving bed data with a commercial gas oil and catalyst. It is shown that under certain conditions, the selectivity behavior and maximum gasoline yield of fixed, fluid, and moving bed reactors will be identical. Maximum gasoline yield is defined in terms of both the kinetic parameters and the process variables for fixed, moving, and fluid bed reactors.

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