Chemical Reaction Analysis

A₁ active centers adsorbed adsorption analysis approximation asymptotic solution average axial boundary conditions C₁ catalyst particles catalyst pellet catalyst surface Chem chemical reaction complex reactions conservation equation coordinate corresponding curve deactivation defined by Eq differential dimensionless discussion effectiveness factor example exothermic reaction experimental external surface first-order reaction fixed bed fluid phase flux fraction geometry h₁ h₂ heat transfer heat transfer coefficient heterogeneous reactions integral isothermal ith species k₁ magnitude mass transfer mathematical matrix method molecular molecules nonisothermal obtain packed bed piston flow poisoning pore porosity problem quantity R₁ radial rate expression rate of reaction reactants reacting reaction rate reactor residence-time distribution function shown in Fig simple reaction solution to Eq spherical steady-state steady-state approximation stoichiometric stoichiometric coefficient surface area temperature Thiele parameter tracer transfer coefficient transport unit volume velocity X₁ Y₁ zero