Example 4-9 Isothermal Semibatch Reactor with a Second-Order Reaction |POLVER05_0
d(Ca)/d(t) =  ra- vo*Ca/V  #
d(Cb)/d(t) =  ra+ (Cbo-Cb)*vo/V  #
d(Cc)/d(t) =  -ra-vo*Cc/V  #
d(Cd)/d(t) =  -ra-vo*Cd/V  #
V =  Vo+vo*t  #
Vo =  5  #
vo =  0.05  #
k =  2.2  #
Cbo =  0.025  #
ra =  -k*Ca*Cb  #
X =  (Cao*Vo-Ca*V)/(Cao*Vo)  #
rate =  -ra  #
Cao =  0.05  #
t(0)=0
Ca(0)=0.05
Cb(0)=0
Cc(0)=0
Cd(0)=0
t(f)=500