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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
215Homogeneous Reactors
3.2.4.1 Estimation of Parameter N
Given the E-curve (E(θ) versus θ) obtained from the trace test conducted on a reactor, we
have to make an estimate of the model parameter ‘N’ using the E-curve (Figure 3.58).
First, mean
θ
and variance σ
2
of the RTD are calculated from the given E-curve data
using the following equations by numerical or graphical integration:
θθ
θθ
=
Ed
()
0
(3.299)
and
σθθθ θ
22
0
2
=−
Ed()
()
(3.300)
Substituting Equation 3.298 for E(θ) in Equation 3.300, we will derive a theoretical equa-
tion for σ
2
as explained below:
σθ
θ
θθ
θ
θ
θ
22
1
0
1
=
N
N
N
e
d
N
N
()!
.(
θθ)
2
(3.301)
σ
θ
θθ
θ
θ
θ
21
2
0
1
1
=
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Publisher Resources

ISBN: 9781466558830