Surface Area and Pore Structure of Some Dehydrocyclization Catalysts

G- Ei-Kady¹, A. A. Al-Ahmadi² and F. Menoufy³

¹Al-Azhar University, Faculty bf Science, Chemistry Department, Nasr City. Cairo Egypt. ²U M M Al-Qura University', Faculty of Applied Sciences, Makkah Al-Mukarramah Saudi Arabia ³Egyptian Petroleum Research Institute, Cairo Egypt

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ABSTRACT:

The specific surface areas as well as the total pore volumes were evaluated for these dehyd* rocyclization catalysts using the nitrogen adsorption technique. From the nitrogen adsorption isotherms, the pore size distribution curves could alto be derived; theses curves indicated the presence of a group of micropores which are inaccessible to larger reactant molecules in the catalystic aromatization reaction. The result* of pore structure analysis of these catalysts were related as much as possible to their catalystic activities.

KEYWORDS:

Surface; Structure; Catalysts