R 8.314[Pa*m^3/mol/K] Gas constant P_feed 2[atm] Feed Pressure T 508[K] Temperature kmCO 3.90[cm/s] External mass transfer coefficient for CO kmO2 3.90[cm/s] External mass transfer coefficient for CO D_CO 0.0487[cm^2/s] Diffusion coefficient for CO D_O2 0.0469[cm^2/s] Diffusion coefficient for O2 D_C3H6 0.0487[cm^2/s] Diffusion coefficient for C3H6 D_prod 0.0487[cm^2/s] E1 13108[K] Activation energy for R1 E2 15109[K] Activation energy for R2 A1 7.07e19[cm^3/mol/s] Preexponential factor for reaction 1 A2 1.47e21[cm^3/mol/s] Preexponential factor for reaction 2 Aco 8.099e6[cm^3/mol] Constant for adsorption term Ac3h6 2.579e8[cm^3/mol] Constant for adsorption term Eco -409[K] Activation energy for adsorption term Ec3h6 191[K] Activation energy for adsorption term u_feed 75[cm/s] Linear inflow velocity dHr1 -67.63e3[cal/mol] Heat of reaction for R1 dHr2 -460.4e3[cal/mol] Heat of reaction for R2 Cp 0.25[cal/g/K] Effective heat capacity for bed kp 0.779[W/(m*K)] Thermal conductivity por_b 1-rho_b/rho_p Porosity of the bed (void/total) rho_b 0.51[g/cm^3] Density of bed rho_p 0.68[g/cm^3] Density of pellet Rr 5[cm] Reactor radius Ra pi*Rr^2 Reactor area eta 0.028e-2[g/cm/s] Fluid viscosity rho_feed 1.292[kg/m^3] Inlet gas density Ctot_feed P_feed/R/T Total feed concentration x_CO_feed 0.005 Molar fraction of CO in feed x_O2_feed 0.0075 Molar fraction of O2 in feed x_C3H6_feed 0.000125 Molar fraction of C3H6 in feed Cinert_feed (1-x_CO_feed-x_O2_feed-x_C3H6_feed)*Ctot_feed Concentration of inert in feed Ap 3/rp Surface area of particles per unit volume rp 0.25[cm] Particle radius