Diapositiva 1 - Campus Virtual FFyB

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Cinética microbiana en batch
ln Xt
=
+
m *t
µmax s
µ=
qs
ln Xo
=
m
Yxs
Q p o P = [p]
t
0.693
m
1 = mS + 1
m
Yxs
YG
KS + s
=
td
qP
= Y PX
*
m
Cultivos Continuos
dx
dt
ds
= µ X - D X
dt
D SR -
=
X = Yxs (SR – s)
X = Yxs
dp
dt
SR -
=
qP X
D KS
(µmax – D)
-
s=
1
D
KS
=
µmax
D s
µ X
-
Yxs
D KS
(µmax – D)
1
s
1
+
µmax
D p
ln Xt = ln Xo + (µMAX – D) t
Batch alimentado
F SR
≤
µ X V
Yxs
Alimentación Constante
Alimentación Exponencial
X V = Xo Vo e µ t
X V = Xo Vo + ( F SR YXS ) t
V = Vo + F t
F SR =
Xo Vo µ e µ t
YXS
F SR Yxs
µ=
Xo Vo + ( F SR YXS ) t
F SR =
Xo Vo e
mt
m + mS
Y XS
F SR
≤
µMAX X V
Yxs
+ Xo Vo mS
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