Example 6-9 Membrane Reactor to Improve Selectivity in Multiple Reactions    |POLVER05_0
d(Fa)/d(V) =     ra     #
d(Fb)/d(V) =     rb+Rb     #
d(Fd)/d(V) =      rd      #
d(Fu)/d(V) =      ru      #
ra =     -k1a*Ca^2*Cb-k2a*Ca*Cb^2     #
rb =     ra     #
rd =     k1a*Ca^2*Cb     #
ru =     k2a*Ca*Cb^2     #
Ca =     Ct0*Fa/Ft     #
Cb =     Ct0*Fb/Ft     #
Cd =     Ct0*Fd/Ft     #
Cu =     Ct0*Fu/Ft     #
Ft =     Fa+Fb+Fd+Fu     #
Ct0 =     0.8     #
k1a =     2     #
k2a =     3     #
Rb =     Fbo/Vt     #
Fbo =     4     #
Vt =   50   #
Sdu = Fd/(Fu+.0000000000001) #
V(0)=0
Fa(0)=4
Fb(0)=0
Fd(0)=0
Fu(0)=0
V(f)=50