Which effect reduces reaction rate inside packed bed reactor at high flow rates?

A)External mass transfer limitations✓

B)Increased longitudinal dispersion

C)Homogeneous reaction dominance

D)Reduced wall heat transfer

💡 Explanation

When flow rates increase, external mass transfer limitations occur because the reactants cannot diffuse to the catalyst surface fast enough to sustain the inherent catalytic reaction rate, thus limiting the rate. Therefore reduced rate results from mass transfer limits, rather than dispersion, homogeneity or heat transfer, which relate to different reactor conditions.

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Which effect reduces reaction rate inside packed bed reactor at high flow rates?

💡 Explanation

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