钛硅分子筛TS-1的合成、表征及催化性能

催化学报 , 2001, 22(1): 92-94.

钛硅分子筛TS-1的合成、表征及催化性能

张义华 ^1, , 王祥生 ^2, , 郭新闻 ^3, , 刘松 ^4,

1.大连理工大学

2.大连理工大学

3.大连理工大学

4.大连理工大学

基金项目: 中国石油化工总公司资助项目(29792071) 国家自然科学基金

关键词：钛硅分子筛 , 钛酸四丁酯 , 四氯化钛 , 水热合成 , 丙烯 , 环氧化反应

Synthesis and Characterization of Titanosilicalite and Its Catalytic Performance

The synthesis of titanosilicalite has become a hotspot in the zeolite catalytic fields. In this paper, TS-1 zeolite samples were synthesized with tetrapropyl a mmonium bromide as the template, with ammonia as the base source and with the mi xtu re of titanium tetrachloride and tetrabutyl orthotitanate as the titanium source . The TS-1 samples have excellent catalytic performance in epoxidation of propy lene with aqueous hydrogen peroxide. The samples were characterized by XRD and I R. The introduction of chlorine decreases the association degree of titanium alk oxides and it may prevent preferential segregation of titanium and silicon.

参考文献

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[8]	Taramasso M;Perego G;Notari B .[P].US 4?410?501,1983.
[9]	van der Pol A J H P;van Hooff J H C .[J].Applied Catalysis A:General,1992,92(02):93.
[10]	Müller U;Steck W .[J].Studies in Surface Science and Catalysis,1994,84:203.
[11]	Vayssilov GN .Structural and physicochemical features of titanium silicalites[J].Catalysis Reviews. Science and Engineering,1997(3):209-251.
[12]	Clerici M G;Bellussi G;Romano U .[J].Journal of Catalysis,1991,129(01):159.
[13]	Khouw C B;Dartt C B;Labinger J A et al.[J].Journal of Catalysis,1994,149:195.
[14]	Aizawa M;Nosaka Y;Fujii N .[J].Journal of Non-Crystalline Solids,1994,168(1-2):49.

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