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Citation: Zhang Chun-Lei, Wu Zhi-Yun. Study on State of Vanadium in V-ZSM-5 Zeolites[J]. Acta Physico-Chimica Sinica, ;1995, 11(04): 302-307. doi: 10.3866/PKU.WHXB19950404 shu

Study on State of Vanadium in V-ZSM-5 Zeolites

1.
Department of Chemistry,Jilin University,Changchun 130023, China

Received Date: 15 January 1994
Available Online: 15 April 1995

V-ZSM-5 zeolites with various Si/V ratios have been synthesized, and the state of vanadium in zeolites was studied by XPS, ESR, TPR and DRS techniques. The results indicate that each of them has two forms-the nonframework vanadium highly dispersed in the zeolite (consisting of vanadiums on outer surface and in pore) and the framework vanadium in zeolite.
- V-ZSM-5,
- State,
- Valence,
- Framework,
- ESR,
- UV-DRS
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