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Catalytic pellets are often ground into grains to
neglect the effect of mass transfer and the reactor is assumed
as plug flow type for gaining reaction kinetics parameters of
treating volatile organic compounds(VOCs) by catalytic
incineration. But gaining process is often impeded because of
the complexity of reaction rate expressions and the defect of
searching methods.In this research, monolith, packed and plug
flow catalytic beds models are developed. For simplifying
monolith and packed bed models, intrinsic reaction in catalysts
is transformed into surface reaction by setting the definition
of effectiveness factor. Seven different reaction rate
expressions are adopted and can be collocated with catalytic
models willingly. The method of minimizing objective function is
the basic of gaining kinetics parameters, and it is obtained
according to the least square principle. Furthermore, the main
operating factors involved with kinetic parameters are
ascertained to develop the method of optimizing parameters for
gaining parameters in rate expressions exactly. The published
experimental data are based to gain the kinetics parameters, so
as to find the most suitable reaction rate expression. At last,
the effect of operating factors in catalytic model based on
kinetic parameters optimized is discussed as to be the base for
design and operation of catalytic incinerator.
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