Skip to Main Content
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
255Homogeneous Reactors
where
δθ()
is the unit impulse function (Dirac delta function). The tracer concentration at
the vessel output
C
(,
)
1
θ is the normalised E-curve
E()
θ (Figure 3.75), that is
EC
() (, )

θθ
= 1 (C.5)
Dimensionless mean residence time
()
θ and variance
()
σ
2
are
() ()

θθθθ
θ
θ
==
=
Ed
0
1
(C.6)
and

σθθθ
22
0
1
=−
Ed()
(C.7)
Dene the Laplace transformation of
C
(,
)
B
θ as
Cs LC Ced
s
(,)(,) (,)BB B=
{}
=

θθ
θ
θ
0
(C.8)
Then
Es LE
Cs
() () (,)=
{}
=
θ 1 (C.9)
Taking Laplace transformation of Danckwarts’ model Equation B.1, we get a second-
order ordinary differential equation in ʓ
1
0
2
2
Pe
dC s
d
dC s
d
sC s
(,)(,)
(,)
B
B
B
B
B−−= (C
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Green Organic Chemistry and its Interdisciplinary Applications

Green Organic Chemistry and its Interdisciplinary Applications

Vera M. Kolb
Environmental Engineering IV

Environmental Engineering IV

Artur Pawlowski, Marzenna R. Dudzinska, Lucjan Pawlowski

Publisher Resources

ISBN: 9781466558830