Biomedical Engineering Reference
In-Depth Information
XV
YF
X=S
TABLE 13.1
Pseudo-steady state solution for fed-batch reactors when S
F
Q m
G
Q
0
e
bt
Q
Q
0
Constant feed rate:
Exponential feed:
e
bt
1
Q
0
b
V
V
0
þ Q
0
t
V
0
þ
Q
0
V
0
þ Q
0
t
Q
0
ðV
0
Q
0
b
1
Þ
m
G
k
d
þ
k
d
þ
e
bt
þ Q
0
b
1
Q
0
V
Q
0
bV
0
V
k
d
þ
k
d
þ
þ b
K
S
K
S
Q
0
ðV
0
Q
0
b
1
Þ
Q
0
V
0
þ Q
0
t
k
d
þ
k
d
þ
e
bt
þ Q
0
b
1
S
(Monod growth)
Q
0
V
0
þ Q
0
t
Q
0
ðV
0
Q
0
b
1
Þ
m
max
k
d
m
max
k
d
e
bt
þ Q
0
b
1
K
S
K
S
k
d
þ
Q
0
V
k
d
þ
Q
0
bV
0
V
þ b
m
max
k
d
Q
0
V
m
max
k
d
Q
0
bV
0
V
b
e
bt
Q
0
ð1 þ k
d
b
1
Þ½Q
0
V
0
bk
d
t þ k
d
b
1
ð1 þ btÞQ
0
X
YF
X=S
V
0
ðS
0
SÞþðS
F
SÞQ
0
t
Q
0
t
Q
0
ðS
F
SÞþ½V
0
bðS
0
SÞQ
0
ðS
F
SÞ
1 þ
1
2
e
bt
k
d
t
þ V
0
k
d
t
VðS
F
SÞðS
F
S
0
ÞV
0
VðS
F
SÞðS
F
S
0
ÞV
0
Vð1 þ k
d
b
1
ÞV
0
½1 k
d
ðt b
1
Þ Q
0
b
1
K
d
t
1 þ
1
2
1
1
2
V
k
d
t
V
0
k
d
t
P
0
V
0
þ m
P
XðV
0
þ
1
2
P
0
V
0
þ m
P
X½V
0
t þ b
2
Q
0
ð
e
bt
bt 1Þ þ P
F
Q
0
b
1
ð
e
bt
1Þ
PV
Q
0
tÞt þ P
F
Q
0
t
V
0
þ V
2
P
0
V
0
þ m
P
X½ðV
0
b
1
Q
0
Þt þ b
1
ðV V
0
Þ þ P
F
ðV V
0
Þ
P
0
V
0
þ
m
P
Xt þ p
F
ðV V
0
Þ
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