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Some problems of activity, selectivity and diffusivity in H-ZSM-5 catalysts

✍ Scribed by J. Völter; G. Lietz; U. Kürschner; E. Löffler; J. Caro


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
454 KB
Volume
3
Category
Article
ISSN
0920-5861

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Controlled hydrothermal treatment of H-ZSM-5 at 500°C causes a transformation of framework into non-framework aluminium, as indicated by means of cation exchange and IR spectroscopy. After treatment with nitric acid, partial extraction of non-framework aluminium was observed. The non-framework alumi