Chemical Engineering > GATE 2024 > Heterogeneous Reactions
A first-order heterogenous reaction A → B is carried out using a porous spherical
catalyst. Assume isothermal conditions, and that intraphase diffusion controls the
reaction rate. At a bulk A concentration of 0.3 mol L−1, the observed reaction rate
in a 3 mm diameter catalyst particle is 0.2 mol s−1 L−1 catalyst volume. At a bulk
A concentration of 0.1 mol L−1, the observed reaction rate, in mol s−1 L−1 catalyst
volume, in a 6 mm diameter catalyst particle, is ______
Correct : d
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