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Synthesis and characterization of H-ZSM-22, Zn-H-ZSM-22 and Ga-H-ZSM-22 zeolite catalysts and their catalytic activity in the aromatization of n-butane

โœ Scribed by N. Kumar; L.E. Lindfors; R. Byggningsbacka


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
639 KB
Volume
139
Category
Article
ISSN
0926-860X

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The interactions between gallium and H-ZSM-5 on gallium-supported H-ZSM-5 catalysts were investigated. Gallium was introduced into H-ZSM-5 by impregnation [Ga/Z5(im)] and physical mixing [Ga/Z5(mix)]. Temperature-programmed desorption studies of ammonia show that the number of strong acid sites (HTP