Example 12-5 Parallel Reaction in a PFR with Heat Effects |POLVER05_0 |1 d(Fa)/d(V) = r1a+r2a # d(Fb)/d(V) = -r1a # d(Fc)/d(V) = -r2a/2 # d(T)/d(V) = (4000*(373-T)+(-r1a)*20000+(-r2a)*60000)/(90*Fa+90*Fb+180*Fc) # k1a = 10*exp(4000*(1/300-1/T)) # k2a = 0.09*exp(9000*(1/300-1/T)) # Cto = 0.1 # Ft = Fa+Fb+Fc # To = 423 # Ca = Cto*(Fa/Ft)*(To/T) # Cb = Cto*(Fb/Ft)*(To/T) # Cc = Cto*(Fc/Ft)*(To/T) # r1a = -k1a*Ca # r2a = -k2a*Ca^2 # V(0)=0 Fa(0)=100 Fb(0)=0 Fc(0)=0 T(0)=423 V(f)=1