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+.0001) # V(0)=0 Fa(0)=4 Fb(0)=0 Fd(0)=0 Fu(0)=0 V(f)=50