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Citation: Qi Xue-Yong, Wang Ya-Juan, Yang Kong-Zhang. XRD Studies on the Interaction between CrO₃ and NaY、NaM Zeolites[J]. Acta Physico-Chimica Sinica, ;1997, 13(10): 938-941. doi: 10.3866/PKU.WHXB19971015 shu

XRD Studies on the Interaction between CrO₃ and NaY、NaM Zeolites

1.
Department of Chemistry,Shandong Institute of Education,Jinan 250013

Received Date: 14 January 1997
Available Online: 15 October 1997

CrO3/NaY and CrO3/NaM zeolite systems have been studied by X-ray diffraction (XRD). CrO3/NaY(or CrO3/NaM) samples with various amounts of CrO3 were prepared by mixing CrO3 and NaY(or NaM) in dry atmosphere, and by baking at 170 ℃ for 24 hours. The results showed that CrO3 could disperse spontaneously onto NaY, NaM zeolites as a non-crystalline layer during baking. The framework of NaY and NaM zeolites was destroyed by the dispersed CrO3 because of the strong surface interaction. The crystallinity of NaY(or NaM) decreased with the increase of CrO3 loading.
- X-ray diffraction method,
- Chromium trioxide,
- Nay zeolite,
- NaM zeolite,
- Interaction
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XRD Studies on the Interaction between CrO3 and NaY、NaM Zeolites

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XRD Studies on the Interaction between CrO₃ and NaY、NaM Zeolites