An analysis of the influence of the non-uniform distribution of the active species in a catalyst pellet on the effectiveness factor and point yield for the van de Vusse reaction network is carried out. The effect of diierent parameters on the poiat yield for a single pellat and on the integral yield
Optimal catalyst pellet activity distributions for deactivating systems
✍ Scribed by Alena Brunovská; Massimo Morbidelli; Pavol Brunovský
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 796 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0009-2509
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The objective of this study is the design of catalysts for which dilution enhances the overall rate. A theoretical treatment of such catalysts where the active medium and the diluent are microporous is carried out; the theory is easily extended to cases where the active medium or diluent is non-poro
Existence of multiple steady states and sustained oscillations in catalyst pellet with Dirac delta activity distribution and bimolecular reaction with Langmuir-Hinshelwood rate expression is numerically established. In addition it is shown that deactivation may lead to temporary oscillations.