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
收藏
页码：192 / 199
页数：8
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