Question: find the internal efficiency factor eta as a function of Thiele number for a zero - order reversible reaction of zero order A -

find the internal efficiency factor

\

eta as a function of Thiele number for a zero

-

order reversible reaction of zero order A

- - >

B in an isothermal porous catalytic plate of thickness L exposed to the reactants from one side only. hint: the concentration of A may be zero at some distance zm from the surface of the plate, which should be determined and compared with the thickness L

.

If zm

> =

,

the concentration of A is non

-

zero at any distance from the surface. If zm

=

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