Ultrafast synthesis of high-silica erionite zeolites with improved hydrothermal stability

Jie Zhu; Zhendong Liu; Kenta Iyoki; Chokkalingam Anand; Kaname Yoshida; Yukichi Sasaki; Sohei Sukenaga; Mariko Ando; Hiroyuki Shibata; Tatsuya Okubo; Toru Wakihara

doi:10.1039/C7CC03166A

Ultrafast synthesis of high-silica erionite zeolites with improved hydrothermal stability†

Jie Zhu,^a Zhendong Liu,^a Kenta Iyoki,^a Chokkalingam Anand,^a Kaname Yoshida,^b Yukichi Sasaki,^b Sohei Sukenaga,^c Mariko Ando,^d Hiroyuki Shibata,^c 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 Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya 456-8587, Japan

^c Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan

^d Graduate School of Engineering, Tohoku University, 6-6-04 Aramaki, Aoba-ku, Sendai 980-8579, Japan

Abstract

High-silica erionite (ERI) zeolites are conventionally synthesised via a so-called charge density mismatch (CDM) approach, and a typical synthesis takes several days to complete. We herein demonstrate an ultrafast route to synthesise high-silica erionite zeolites in as short as 2 h at 210 °C. The fast-synthesised ERI has been proved to show higher hydrothermal stability compared with the conventionally synthesised product.

Chemical Communications

Ultrafast synthesis of high-silica erionite zeolites with improved hydrothermal stability†

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Ultrafast synthesis of high-silica erionite zeolites with improved hydrothermal stability

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