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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
230 Green Chemical Engineering
By a trial-and-error method, we calculate the Peclet number value as
Pe = 76.
For Reactor II,
σ
θ
2
22
483
5 913
0 1381
==
.
(. )
.
By a trial-and-error method, we calculate the Peclet number value as
Pe = 13 40.
For the rst-order reaction with reaction rate constant k, the conversion is
x
e
ee
Af
Pe
Pe Pe
=−
+−
(
)
1
4
11
2
22
22
α
αα
αα
(/)
(/
)(
/)
() ()
where
α
τ
τθ
=+ =1
4k
Pe
and
For Reactor I,
k
τ= =(. )( .) .0 421 4 198 1 767
α= +
×
=1
41767
76
1 389
.
.
.
and
x
Af
= 77 8.%
.
For Reactor II,
k
τ= =(. )( .) .0 421 5 913 2 489
α= +
×
=1
42489
13 4
1 320
.
.
.
and x
Af
= 88 5.%
.
It may be noted that both tanks in series model and axial dispersion model predict the
same conv ...
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Publisher Resources

ISBN: 9781466558830