Introduction of vanadium into Y zeolite by solid-state ion exchange
β Scribed by M. Huang; S. Shan; C. Yuan; Y. Li; Q. Wang
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 443 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0144-2449
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The incorporation of indium(ο©) cations into zeolite beta by reductive solid-state ion exchange has been studied by TPR/TPO techniques, FTIR spectroscopy and a catalytic test reaction (isomerization of m-xylene). Among the hydroxyl groups observed in zeolite beta, those vibrating at 3610 cm-1 (bridge
NH 4 Y has been ion exchanged by reaction with solid Rb 2 CO 3 to form RbY. This process has been followed with Xray powder diraction, mass spectrometry and NMR. Both 1 H and 87 Rb MAS NMR are very sensitive to the hydration level of the zeolite and have been used to investigate the solid-state exch