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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
319Heterogeneous Reactors
where k
BL
is the liquid side mass transfer coefcient of B and
k
D
y
BL
BL
L
=
(4.73)
where D
BL
is the diffusivity of B in the liquid phase.
Reactant A that is dissolved in the liquid at the interphase would be diffusing through
the liquid lm and the ux N
AL
of A in the liquid lm is governed by Fick’s law
ND
dC
dy
AL AL
A
=−
(4.74)
where
D
AL
: diffusivity of A in the liquid phase
C
A
: concentration of A in the liquid lm at a distance y from the interphase
According to lm theory, the mass transfer coefcient k
AL
of A in the liquid phase is
k
D
y
AL
AL
L
=
(4.75)
Reactant A, while diffusing through the liquid lm, will simultaneously reac
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Publisher Resources

ISBN: 9781466558830