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Effect of the nonuniform dealumination on the acidity and catalytic activity of faujasite: Part 2. Accessibility of acid sites

✍ Scribed by A. Corma; F.V. Melo; D. Rawlence

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
339 KB
Volume
12
Category
Article
ISSN
0144-2449

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✦ Synopsis

The implications of framework aluminum gradients in dealuminated zeolites for catalytic processes in which the reactants cannot penetrate deep inside the crystallite is discussed both theoretically and experimentally. It is shown that the AI distribution curves deduced considering uniform dealumination do not apply for cases where nonuniform dealumination occurs and therefore cannot be directly correlated with the activity shown by nonuniform dealuminated zeolites.

πŸ“œ SIMILAR VOLUMES

Effect of dealumination on the catalytic
Effect of dealumination on the catalytic activity of acid zeolites for the gas phase synthesis of MTBE
✍ A.A. Nikolopoulos; A. Kogelbauer; J.G. Goodwin Jr.; G. Marcelin πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 672 KB

The gas phase MTBE synthesis reaction was studied on a number of zeolite catalysts, in order to obtain a better understanding of the impact of acidity on zeolite activity for MTBE formation away from thermodynamic equilibrium limitations. The catalysts investigated included a series of dealuminated