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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
329Heterogeneous Reactors
Rateoflossof inthegasphase
acrossthesection /
A
r
A
L
,kmols

=
Rateof transferof from thegasphaseto
theliquidphaseinth
A
eesection
r/
A
GL
,kmo
ls
(4.119)
Writing the equations for the terms on either side of the above equation, we have
−=
υ
ε
RT
dP Nsdz s
AA p
[( )]1
(4.120)
where R is the gas law constant and N
A
is the ux of A, whose equations are listed in Table
4.5. Rearranging Equation 4.120 and integrating between z = 0 and z = Z, we get
dz
RTSs
dP
N
Z
p
A
A
P
P
Af
AO
=−
∫∫
0
1
υ
ε()
(4.121)
Finally, the design equation for the packed bed gas–liquid reactor is
Z
RTSs
dP
N
p
A
A
P
P
Af
AO
=−
υ
ε()1
(4.122)
The appropriate equation for ux
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Publisher Resources

ISBN: 9781466558830