Preparation of Ti incorporated Y zeolites by a post-synthesis method under acidic conditions and their catalytic properties

被引：24
作者：
Oumi, Yasunori [1 ]
Manabe, Takuya [2 ]
Sasaki, Hitoshi [2 ]
Inuzuka, Toshiyasu [1 ]
Sano, Tsuneji [2 ]
机构：
[1] Gifu Univ, Life Sci Res Ctr, Div Instrument Anal, Gifu 5011193, Japan
[2] Hiroshima Univ, Grad Sch Engn, Dept Appl Chem, Higashihiroshima 7398527, Japan
来源：
APPLIED CATALYSIS A-GENERAL | 2010年 / 388卷 / 1-2期
关键词：
Ti incorporated Y zeolite; Post-synthesis; Dealumination; Titanation; Epoxidation; DEALUMINATED HZSM-5 ZEOLITES; SOLID-STATE NMR; TITANIUM; REALUMINATION; EPOXIDATION; ALKENES; SELECTIVITY; SILICALITE; OXIDATION; FRAMEWORK;
D O I：
10.1016/j.apcata.2010.08.063
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ti incorporated Y zeolites were prepared by post-synthesis treatment of a dealuminated USY zeolite with an aqueous solution of (NH4)(2)TiF6, and characterized by XRD, Al-27 MAS NMR, FT-IR, SEM, TEM, UV-vis, and XANES techniques. The results showed that Ti species were tetrahedrally incorporated into the hydroxyl nests in the zeolite framework under acidic conditions. Furthermore, the catalytic performance of Ti incorporated Y zeolites in epoxidation of cycloalkenes using an aqueous solution of hydrogen peroxide was higher than that of TS-1 zeolite. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：256 / 261
页数：6
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