SEARCH Articles Figures Tables Boundary conditions spherical catalyst pellets Concentration profile spherical pellet Diffusion and Reaction in Spherical Catalyst Pellets Effectiveness factor for spherical pellet Effectiveness factors spherical catalyst pellets Pellets spherical agglomeration Spherical agglomeration pelletization process Spherical catalyst pellets Spherical catalyst pellets diffusion/reaction Spherical catalyst pellets effective diffusivity Spherical catalyst pellets nonisothermal effectiveness factors Transfer in a Spherical Pellet