Preparation of nano-zeolite X by bead-milling and post-milling recrystallization

Toru WAKIHARA; Koki SATO; Kaku SATO; Junichi TATAMI; Shinji KOHARA; Katsutoshi KOMEYA; Takeshi MEGURO

doi:10.2109/jcersj2.120.341

Notes

Preparation of nano-zeolite X by bead-milling and post-milling recrystallization

Toru WAKIHARA, Koki SATO, Kaku SATO, Junichi TATAMI, Shinji KOHARA, Katsutoshi KOMEYA, Takeshi MEGURO

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Keywords: Recrystallization, Amorphization, Milling, Zeolite X, Amorphous

JOURNAL FREE ACCESS

2012 Volume 120 Issue 1404 Pages 341-343

DOI https://doi.org/10.2109/jcersj2.120.341

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Abstract

A top-down approach has been applied for the preparation of nano zeolite X using a combination of bead milling and post-milling recrystallization. This gives nano zeolite X approximately 60 nm in size with high crystallinity without using specific organic compounds. Pair distribution function analysis by high-energy X-ray diffraction showed that the ring structure of zeolite framework is distorted and/or destroyed by bead milling, and the crystallinity returned to close to the original level after recrystallization treatment.

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