HEAT AND MASS TRANSFER WITH MULTIPLE PARTICLE INTERACTIONS PART II. SURFACE REACTION

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Abstract
A generalized treatment of heat and/or mass transport between an assemblage of particles and a surrounding continuum was developed in an earlier paper. This paper extends that analysis to chemical reactions at the particle surface. In this case the surrounding medium is assumed to contain a reactive species which diffuses to the particle surfaces and undergoes a first order reversible chemical reaction at the surface. Depletion of the reactant in the continuous phase depends on the number density of particles and the size of the assemblage of particles as well as on the transport properties and kinetics of the system. Results for finite and infinite assemblages are compared with reaction rates for a single isolated particle to elucidate the effects of particle competition for reactant on the reaction rate.

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