f_H2 k*a*(p_shell-p_reactor)*c_H2_shell Membrane mass source Q_mem f_H2*(h_H2(T_inlet,p_shell)-h_H2(re.T,p_reactor)) Membrane heat source y_C6H6 re.F_C6H6/re.F0_C6H5CH3 Conversion, benzene c_H2_shell p_shell/R_const/re.T Hydrogen concentration, membrane side