Chemical Engineering > GATE 2020 > Catalysis
The square of Thiele modulus, MT, is given by MT2=(L2k)/(Deff) where L is the characteristic length of the catalyst pellet, k is the rate constant of a first order reaction, and Deff is the effective diffusivity of the species in the pores. MT2 is a measure of
A
time scale of pore diffusion / time scale of reaction
B
rate of pore diffusion / rate of reaction
C
time scale of reaction / time scale of pore diffusion
D
rate of reaction / rate of external mass transfer

Correct : a

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