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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
185Homogeneous Reactors
The rate equation is
((,))−=rx TkC
AA
A
n
where k = k
0
e
−ΔE/RT
and C
A
= C
A0
(1 x
A
)
Substituting appropriate terms into the heat balance Equation 3.221, we have
00
{}
+
{}
+−
{}
=+
{}
QHVrxT
d
dt
MC T
RA
AP
()()((,))[]
(3.222)
where
M: mass hold of the reactor (kg)
C
P
mean specic heat (kJ/kg°C)
Rearranging Equation 3.222, we get
dT
dt
H
C
rx T
Q
MC
R
P
AA
P
=
−∆
()
+
()
(,)
ρ
(3.223)
The molal balance equation (or the design equation) for the batch reactor is
−=
()
dC
dt
rx T
A
AA
(,)
which is written in terms of conversion x
A
as
−=
()
dx
dt
rx T
C
A
AA
A
(,)
0
(3.224)
Solving the rst-order differential Equations 3.223 and 3.224 simultaneously, we obtai ...
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Publisher Resources

ISBN: 9781466558830