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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
44 Green Chemical Engineering
The rates of change of concentrations of A, B and C in batch reactor are
dC
dt
kkC
A
A
=− +
()
12
(2.99)
dC
dt
kC
B
A
=
1
(2.100)
dC
dt
kC
c
A
=
2
(2.101)
Integrating Equation 2.99, we get
CCe
AA
kkt
=
−+
()
0
12
(2.102)
where C
A0
is the initial concentration of A. Substituting Equation 2.102 for C
A
in Equations
2.100 and 2.101 and integrating, we get
C
Ck
kk
e
B
A
kkt
=
+
(
)
−+
01
12
1
12
()
()
(2.103)
C
Ck
kk
e
C
A
kkt
=
+
(
)
−+
02
12
1
12
()
()
(2.104)
Variations of C
A
, C
B
and C
C
are shown in Figure 2.17.
C
AO
(Concentration
of A, B and C)
C
A
C
C
C
B
t
FIGURE 2.17
Variations of C
A
, C
B
and C
C
with time for parallel reaction
A
k
1
k
2
B
C
.
45Introduction to Kinetics and Chemical Reactor
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Publisher Resources

ISBN: 9781466558830