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Surface passivation and shape selectivity in xylene isomerization over ZSM-48

✍ Scribed by P. Ratnasamy; S.K. Pokhriyal

Book ID
119509281
Publisher
Elsevier Science
Year
1989
Weight
285 KB
Volume
55
Category
Article
ISSN
0166-9834

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Controlled hydrothermal treatment of H-ZSM-5 at 500Β°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