The effectiveness factor for large value of Thiele modulus ( L K / D 1 ) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D 1 = diffusion co-efficient, cm 2 /second)

The effectiveness factor for large value of Thiele modulus ( L K / D 1

1.	The effectiveness factor for large value of Thiele modulus ( L K / D 1 ) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D 1 = diffusion co-efficient, cm 2 /second)
A.	L ( K / D 1 )
B.	1/( L K / D 1 )
C.	1
D.	?
Answer» C. 1

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The effectiveness factor for large value of Thiele modulus ( L K / D 1 ) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D 1 = diffusion co-efficient, cm 2 /second)

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