A top-down methodology for ultrafast tuning of nanosized zeolites

Zhendong Liu; Naoki Nomura; Daisuke Nishioka; Yuusuke Hotta; Takeshi Matsuo; Kazunori Oshima; Yutaka Yanaba; Takeshi Yoshikawa; Koji Ohara; Shinji Kohara; Takahiko Takewaki; Tatsuya Okubo; Toru Wakihara

doi:10.1039/C5CC04542H

A top-down methodology for ultrafast tuning of nanosized zeolites†

Zhendong Liu,^a Naoki Nomura,^a Daisuke Nishioka,^b Yuusuke Hotta,^b Takeshi Matsuo,^b Kazunori Oshima,^b Yutaka Yanaba,^c Takeshi Yoshikawa,^c Koji Ohara,^d Shinji Kohara,^e Takahiko Takewaki,^b Tatsuya Okubo*^a and Toru Wakihara*^a

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^a Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
E-mail: okubo@chemsys.t.u-tokyo.ac.jp, wakihara@chemsys.t.u-tokyo.ac.jp

^b Mitsubishi Chemical Group, Science and Technology Research Center, 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan

^c Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan

^d Research & Utilization Division, Japan Synchrotron Radiation Research Institute, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan

^e Synchrotron X-ray Group, Quantum Beam Unit, National Institute for Materials Science, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan

Abstract

We herein present a top-down methodology to prepare nanosized zeolites with tunable size by combining post-synthesis milling and fast recrystallization of several minutes (10 min for SSZ-13 and 5 min for AlPO4-5). A continuous-flow recrystallization process is demonstrated to further enhance the overall product efficiency.

Chemical Communications

A top-down methodology for ultrafast tuning of nanosized zeolites†

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A top-down methodology for ultrafast tuning of nanosized zeolites

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