Direct gas-phase epoxidation of propene with hydrogen peroxide on TS-1 zeolite in a microstructured reactor

被引：48

作者：

Klemm, Elias ^{[1
]}

Dietzsch, Enrico ^{[1
]}

Schwarz, Thomas ^{[1
]}

Kruppa, Thomas ^{[2
]}

de Oliveira, Armin Lange ^{[3
]}

Becker, Frank ^{[3
]}

Markowz, Georg ^{[3
]}

Schirrmeister, Steffen ^{[4
]}

Schuette, Ruediger ^{[3
]}

Caspary, Karl J. ^{[4
]}

Schueth, Ferdi ^{[2
]}

Hoenicke, Dieter ^{[1
]}

机构：

[1] Tech Univ Chemnitz, Dept Chem Technol, D-09111 Chemnitz, Germany

[2] Max Planck Inst Kohlenforsch, D-45470 Mulheim An Der Ruhr, Germany

[3] Evonik Degussa, Serv Unit Proc Technol & Engn, D-63457 Hanau, Germany

[4] Uhde GmbH, Res & Dev, D-44141 Dortmund, Germany

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2008年 / 47卷 / 06期

关键词：

D O I：

10.1021/ie071343+

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Direct epoxidation of propene with hydrogen peroxide vapor was conducted in a microstructured reactor containing TS-1 catalyst coatings. At 140 degrees C, 1 bar, 5 vol % hydrogen peroxide, and 15 vol % propene, productivities of more than I kg of propene. oxide per kg of catalyst and hour are obtained in lab scale, which is in an industrially highly relevant range. Excellent selectivities to propene oxide based on propene of > 90% were reached. Potential and need for improvement lie in the propylene oxide selectivity based on hydrogen peroxide, which was observed to be about 25%. By increasing the molar excess of propene to about 6.6, propylene oxide selectivities related to hydrogen peroxide of up to 60% have been observed in the pilot plant.

引用

页码：2086 / 2090

页数：5

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