No Title |POLVER05_0 |1 d(Nx) / d(t) =(munet*X*V) # Quantity of cells (g) d(Ns)/d(t)= (FP*SP-munet*X*V/Yxs) # Quantity of glucose (g) d(Np)/d(t)=(munet*X*V/Yxp)# Quantity of fermentation products (g) d(V)/d(t)=FP #Culture volume (L) d(PR)/d(t)=0 # Production rate (g/hr) mum=0.3 # Maximal specific growth rate (1/hr) Ks=1 # Monod constant (g glucose/L) KI=300 # Monod constant (g glucose/L)^2 Yxs=0.4 # Yield Coefficient (g cells/g glucose) Yxp=0.15 # Yield Coefficient (g cells/g product) SP=200 # Feed sustrate concentration,processing stage (g glucose/L) munet=mum*S/(Ks+S+S^2/KI) # Specific growth rate (g product/L-hr) X=Nx/V # Cell concentration (g/L) S=Ns/V # Substrate concentration (g/L) P=Np/V # Product concentration (g/L) FP=0.5 # Feed flow rate, processing stage (L/hr) Nx(0) = 30.95844 # Initial quantity of cells (g) Ns(0)=57.39611 # Initial quantity of substrate (g) Np(0)=46.38962 # Initial quantity of products (g) V(0)=1 # Initial culture volume (L) PR(0)=0 # Initial production rate (g) t(0) = 1 t(f) = 6