Thiele modulus will increase with the decrease of the size of the catalyst.(a) True(b) FalseI had been asked this question by my college professor while I was bunking the class.My question comes from Minimising Mass Transfer Effects topic in chapter Heterogenous Reactions of Bioprocess Engineering

Thiele modulus will increase with the decrease of the size of the cata

1.	Thiele modulus will increase with the decrease of the size of the catalyst.(a) True(b) FalseI had been asked this question by my college professor while I was bunking the class.My question comes from Minimising Mass Transfer Effects topic in chapter Heterogenous Reactions of Bioprocess Engineering
Answer» Correct choice is (b) False For explanation I would say: Thiele MODULUS (Φ) is proportional to the square of catalyst size (R^2 for spheres or b^2 for flat PLATES), reducing the catalyst size has a more dramatic effect on Φ than changes in any other VARIABLE. It is therefore a good way to improve the reaction rate. In PRINCIPLE, mass-transfer limitations can be completely overcome if the particle size is decreased SUFFICIENTLY.

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Thiele modulus will increase with the decrease of the size of the catalyst.(a) True(b) FalseI had been asked this question by my college professor while I was bunking the class.My question comes from Minimising Mass Transfer Effects topic in chapter Heterogenous Reactions of Bioprocess Engineering

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