Page 432 - Elements of Chemical Reaction Engineering Ebook

Sec. 7.!5 Bioreactors 403

Solzition
I, Mass balances:
dCC
Cells: V - (rg - rd)V (E7-9.1)
=
dt
The algorithm Substrate: (E;'-9.2)

Product: (E7 -9.3)
Z!. Rate laws:
0.52
(E?'-9.4)

(E?'-9.5)
(7-110)
3. Stoichiometry:
rp = yplcrg (El'-9.6)
4.. Combining gives

(E7-9.7)

Cells
Substrate (E7 -9.8)
Product

These equations were solved on an ODE equation solver (see Table E7-9.1).
The results are shown in Figure E7-9.1 for the parameter values given in the prob-
lem statement.

- TABLE E7-9.1. POLYMATH PROGRAM -
Equations: Initial Values:
- -
dic:c)/dit )=rg-rd 1
~
250
0