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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
235Homogeneous Reactors
that is,
x
e
d
Af
k
=−
1
2
2
3
2
()
/
θ
θ
θ
θ
θ
(3.372)
Similarly, for a second-order reaction, the fractional conversion x
Ab
(θ) achieved in the
single uid element is obtained by integrating
dd
tkCC
AA
/
=−
between t = 0 and t = θ.
x
kC
kC
Ab
A
A
()θ
θ
θ
=
+
0
0
1
(3.373)
Substituting Equations 3.365 and 3.373 in Equation 3.370, we get an expression for con-
version x
Af
in a laminar ow reactor for a second-order reaction:
x
kC
kC
d
Af
A
A
=
+
0
0
2
2
3
12
θ
θ
θ
θ
θ
θ/
()
(3.374)
which reduces to
x
kC d
kC
Af
A
A
=
+
0
2
2
0
2
21
θθ
θθ
θ
()
/
(3.375)
PROBLEM 3.16
A rst-order reaction with rate constant k = 0.15 min
1
is to be carried out in a tubular ow
reactor. A conversion ...
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Publisher Resources

ISBN: 9781466558830