Example 8-5 Production of Acetic Anhydride with Heat Exchange (Constant Ta) |POLVER05_0 d(X)/d(V) = -ra/Fao # d(T)/d(V) = (Ua*(Ta-T)+ra*deltaH)/(Fao*(Cpa+X*delCp)) # Fao = .0376 # Cpa = 163 # delCp = -9 # Cao = 18.8 # To = 1035 # deltaH = 80770+delCp*(T-298) # ra = -Cao*3.58*exp(34222*(1/To-1/T))*(1-X)*(To/T)/(1+X) # Ua = 16500 # Ta = 1150 # V(0)=0 X(0)=0 T(0)=1035 V(f)=1e-3