Epoxidation of propylene with hydrogen peroxide over TS-1 catalyst synthesized in the presence of polystyrene

被引:23
作者
Park, Sunyoung [1 ]
Cho, Kyung Min [1 ]
Youn, Min Hye [1 ]
Seo, Jeong Gil [1 ]
Baeck, Sung-Hyeon [2 ]
Kim, Tae Jin [3 ]
Chung, Young-Min [3 ]
Oh, Seung-Hoon [3 ]
Song, In Kyu [1 ]
机构
[1] Seoul Natl Univ, Inst Chem Proc, Sch Chem & Biol Engn, Seoul 151744, South Korea
[2] Inha Univ, Dept Chem Engn, Inchon 402751, South Korea
[3] SK Energy Corp, Taejon 305712, South Korea
关键词
titanium silicalite-1; polystyrene; propylene oxide; propylene epoxidation;
D O I
10.1007/s10562-007-9387-z
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
Titanium silicalite-1 (TS-1) catalyst was synthesized in the presence of polystyrene (PS) particles (denoted as TS-1_PS catalyst) for use in the epoxidation of propylene with hydrogen peroxide. For the purpose of comparison, TS-1 catalyst was also synthesized by a conventional method (in the absence of polystyrene particles). In the epoxidation of propylene, the TS-1_PS catalyst showed a higher conversion of hydrogen peroxide and a higher selectivity for propylene oxide (PO) than the TS-1 catalyst. Consequently, the TS-1_PS catalyst showed a higher yield for PO than the TS-1 catalyst. Characterization results showed that the high catalytic performance of TS-1_PS was attributed to the enhanced hydrophobic property of the catalyst and the suppressed formation of anatase TiO2 in the catalyst.
引用
收藏
页码:349 / 353
页数:5
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