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Green Chemical Engineering
book

Green Chemical Engineering

by S. Suresh, S. Sundaramoorthy
December 2014
Intermediate to advanced content levelIntermediate to advanced
541 pages
17h 38m
English
CRC Press
Content preview from Green Chemical Engineering
54 Green Chemical Engineering
I. Rate equation for A B
Consider a reversible catalytic reaction
AB
X
We will write the rate equations for the three steps:
Step 1 (Adsorption):
Chemisorption of reactant A on to vacant site l resulting in the formation of intermediate
compound A l is a reversible step
Al
Al
k
k
A
A
+


The equation for the rate of adsorption of A, r
A
, is written assuming simple mass action
law to be applicable:
rkCC
C
K
AAAl
Al
A
=−
(2.128)
where
C
A
: concentration of A on the catalyst surface (not attached to the surface)
C
l
: concentration of vacant site
C
Al
: concentration of chemisorbed A
k
A
: chemisorption rate constant of A
K
A
: adsorpt ...
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Publisher Resources

ISBN: 9781466558830