Preparation of nanosized SSZ-13 zeolite with enhanced hydrothermal stability by a two-stage synthetic method

被引：47

作者：

Peng, Ce ^{[1
]}

Liu, Zhendong ^{[1
]}

Horimoto, Aoki ^{[1
]}

Anand, Chokkalingam ^{[1
]}

Yamada, Hiroki ^{[1
]}

Ohara, Koji ^{[2
]}

Sukenaga, Sohei ^{[3
]}

Ando, Mariko ^{[4
]}

Shibata, Hiroyuki ^{[3
]}

Takewaki, Takahiko ^{[5
]}

Mukti, Rino R. ^{[6
]}

Okubo, Tatsuya ^{[1
]}

Wakihara, Toru ^{[1
]}

机构：

[1] Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan

[2] JASRI SPring 8, Kouto 1-1-1, Sayo, Hyogo 6795198, Japan

[3] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan

[4] Tohoku Univ, Grad Sch Engn, Aoba Ku, 6-6-04 Aramaki, Sendai, Miyagi 9808579, Japan

[5] Sci & Technol Res Ctr INC, Inorgan Funct Mat Lab, Mitsubishi Chem Grp, Aoba Ku, Kamoshida Cho, Yokohama, Kanagawa 2278502, Japan

[6] Inst Teknol Bandung, Res Ctr Nanosci & Nanotechnol, Div Inorgan & Phys Chem, Jl Ganesha 10, Bandung 40132, Indonesia

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2018年 / 255卷

关键词：

Two-stage synthesis; SSZ-13; zeolite; Nanosize; Hydrothermal stability; X-RAY-SCATTERING; MOLECULAR-SIEVES; PRECURSORS; CRYSTALLIZATION; SELECTIVITY; CONVERSION; CATALYST; METHANOL; GROWTH;

D O I：

10.1016/j.micromeso.2017.07.042

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Improving the hydrothermal stability of zeolites promises attractive benefits for catalytic applications, especially in the case of nanosized zeolite. In the present study, a two-stage synthetic method, conducted at low (95 degrees C) and high (210 degrees C) temperatures sequentially, was developed to prepare nanosized SSZ-13 zeolite with enhanced hydrothermal stability. The crystal size was tuned within 50-300 nm by simply controlling the period in either stage. In addition, compared with the microsized counterparts, the nanosized SSZ-13 zeolite showed remarkably enhanced hydrothermal stability with exhibiting equivalent catalytic performance in the selective catalytic reduction of NOx by ammonia (NH3-SCR). The improved hydrothermal stability of nanosized zeolite was due to the structural healing by the high temperature treatment. (C) 2017 Elsevier Inc. All rights reserved.

引用

页码：192 / 199

页数：8

共 43 条

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