For the high gas velocity used assume that film diffusion does not offer any resistance to transfer

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For the high gas velocity used assume that film diffusion does not offer any resistance to transfer and reaction. Reaction temperature = 900°C.2ZnS + 302ZnO + 2SO

Assuming that reaction proceeds by the shrinking-core model calculate the time needed for complete conversion of a particle and the relative resistance of ash layer diffusion during this operation.Data Density of solid, PB = 4.13 gm/cm = 0.0425 mol/cm Reaction rate constant, k" = 2 cm/sec For gases in the

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