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On the separability of catalytic deactivation kinetics

✍ Scribed by John B. Butt; Carol K. Wachter; Rustom M. Billimoria

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
685 KB
Volume
33
Category
Article
ISSN
0009-2509

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✦ Synopsis

An analysis of deactlvat!on hnetlcs for a number of model surfaces reveals that formulatton in terms of a separable actkvlty factor IS correct only for an &al surface Further there 1s no apparent general correlation between the separable analysis and the correct treatment lNTRonucTKoN In theu early work on deactivation, Szep& and Levenspiel[ll exammed a number of cases of well documented chemtcal polsonqg

πŸ“œ SIMILAR VOLUMES

Heterogeneous catalytic reactors undergo
Heterogeneous catalytic reactors undergoing chemical deactivation. Part I: Deactivation kinetics and pellet effectiveness
✍ H. H. Lee; J. B. Butt πŸ“‚ Article πŸ“… 1982 πŸ› American Institute of Chemical Engineers 🌐 English βš– 580 KB

## Abstract A general expression for the time‐dependence of the activity of a catalyst pellet affected by both chemical deactivation and diffusion is developed. Specific results are given for both uniform and pore‐mouth poisoning, with parallel and series poisoning mechanisms. Comparisons show a sa