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Comparison of the shape selective properties of ferrierite, ZSM—5 and ZSM—11

✍ Scribed by Ian D. Harrison; H.Frank Leach; David A. Whan


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
571 KB
Volume
7
Category
Article
ISSN
0144-2449

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Shape selectivity of hydrothermally trea
✍ U. Kürschner; H.-G. Jerschkewitz; E. Schreier; J. Völter 📂 Article 📅 1990 🏛 Elsevier Science ⚖ 723 KB

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