Effectiveness Factor for Porous Catalysts. Langmuir-Hinshelwood Kinetic Expressions for Bimolecular Surface Reactions
β Scribed by Roberts, G. W.; Satterfield, C. N.
- Book ID
- 121304902
- Publisher
- American Chemical Society
- Year
- 1966
- Weight
- 733 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0196-4313
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π SIMILAR VOLUMES
Non-isothermal catalyst effectiveness factors are determined for both exothermic and endothermic reactions with rate equations of the form r, = /&,,/(I + K,,CJ'. It is shown that with such rate equations, multiplicities may occur even for endothermic reactions. In addition, multiple states may arise
With the exception of work by Goto et al., all these earlier studies considered only a bimolecular reaction with pseudofirst-order kinetics; i.e., first order with respect to the limiting reactant and zero order for the excess reactant. Goto et al. used pseudo-nth-order kinetics. Recently, Beaudry e
mathematical model to calculate the effectiveness factor for surface reactions coupled with surface diffusion on a solid-catalyst surface with discrete adsorption centers and the solutions for integral-order reactions are presented. The combined effect of intrinsic reaction and surface diffusion res