SEARCH Articles Figures Tables Catalysts intrapellet porosity Diffusion coefficients intrapellet Diffusion intrapellet Intrapellet Damkohler number Intrapellet Damkohler number catalytic reactor design Intrapellet and Bulk Gas Temperature Intrapellet and Bulk Species Concentrations Intrapellet concentration during Intrapellet heat transfer ( Intrapellet mass transfer Intrapellet void fraction Porosity intrapellet The Effect of Intrapellet Mass Transfer on Observed Rate