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Effectiveness factor for zeroth-order catalytic reactions with volume change and nonuniform catalyst activity profiles

Chidambaram, M (1984) Effectiveness factor for zeroth-order catalytic reactions with volume change and nonuniform catalyst activity profiles. In: Hungarian journal of industrial chemistry, 12 (2). pp. 245-251.

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Abstract

Analytical solutions are presented for the effectiveness factor of a zeroth-order reaction with volume change and nonuniform catalyst activity profile in slab, cylinder and spherical pellets. The possibility of shape normalization is considered for a variety of activity profiles and pellet shapes. When the catalyst activity at the external surface of the pellet is non-zero, shape normalization is obtained, which makes the asymptotic behavior of the effectiveness factor identical for small and large values of Thiele modulus, however, the normalization can lead to significant errors, particularly for the case of activity profiles decreasing towards the outer surface of the catalyst.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Research Institute Technical Chemistry Of Hungarian Academic Sciences.
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 19 Aug 2009 09:41
Last Modified: 19 Aug 2009 09:41
URI: http://eprints.iisc.ernet.in/id/eprint/22375

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