Synthesis of Titanium Silicalite-1 with High Catalytic Performance for 1-Butene Epoxidation by Eliminating the Extraframework Ti

被引：56

作者：

Zhang, Ting ^{[1
,2
]}

Zuo, Yi ^{[1
,2
]}

Liu, Min ^{[1
,2
]}

Song, Chunshan ^{[3
,4
]}

Guo, Xinwen ^{[1
,2
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, PSU DUT Joint Ctr Energy Res, 2 Linggong Rd, Dalian 116024, Peoples R China

[2] Dalian Univ Technol, Dept Catalysis Chem & Technol, Sch Chem Engn, 2 Linggong Rd, Dalian 116024, Peoples R China

[3] Penn State Univ, EMS Energy Inst, PSU DUT Joint Ctr Energy Res, University Pk, PA 16802 USA

[4] Penn State Univ, Dept Energy & Mineral Engn, University Pk, PA 16802 USA

来源：

ACS OMEGA | 2016年 / 1卷 / 05期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

HYDROGEN-PEROXIDE; TS-1; ZEOLITE; OXIDATIVE DESULFURIZATION; STRUCTURE DIRECTION; RAMAN; FRAMEWORK; TITANOSILICATE; SPECTROSCOPY; MECHANISM; AMMONIA;

D O I：

10.1021/acsomega.6b00266

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Titanium silicalite-1 (TS-1) with little extra-framework Ti was hydrothermally synthesized in a tetrapropylammonium hydroxide system using starch as the additive. The influences of the amount of starch added on the coordination states of titanium ions and the functional mechanism of starch were studied by various characterization means. The addition of starch slowed the crystallization rate of TS-1 so that the insertion rate of titanium to the framework matched well with that of silicon. Therefore, the generation of extraframework Ti, including the anatase TiO2 and octahedrally coordinated titanium, was eliminated. The catalytic performances of the TS-1 samples were evaluated in the epoxidation of 1-butene to produce butene oxide. The catalytic activity of TS-1 was improved significantly due to the increasing amount of framework Ti.

引用

页码：1034 / 1040

页数：7

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