Negative effectiveness factors for cyclic reversible reactions
β Scribed by M.A. Soliman; S.S.E.H. Elnashaie
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 350 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0009-2509
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π SIMILAR VOLUMES
Analytical expressions of effectiveness factors for parallel catalytic reactions are obtained after matching asymptotic solutions strictly valid for small and large values of the Thiele moduli. This approximate procedure is versatile in its applicability to arbitrary kinetics and catalyst-pellet geo
The effects of unequal diffusivities of the reactants on enhancement factors for mass transfer with reversible and irreversible second-order chemical reactions are examined, based on the Danckwerts model of mass transfer. A more accurate explicit approximation is obtained for mass transfer with inst
Non-isothermal catalytic effectiveness for negative order kinetics is studied numerically for various ratios of Bi,/Bi,, equal to and greater than unity. The specific case of carbon monoxide oxidation over supported Pt in a spherical catalyst is investigated for conditions of temperature and concent