Hydrogenolysis of 1,2-Propanediol for the Production of Biopropanols from Glycerol

被引：119

作者：

Amada, Yasushi ^{[2
]}

Koso, Shuichi ^{[2
]}

Nakagawa, Yoshinao ^{[1
,2
]}

Tomishige, Keiichi ^{[1
,2
]}

机构：

[1] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton Satellite MANA, Tsukuba, Ibaraki 3058573, Japan

[2] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058573, Japan

来源：

CHEMSUSCHEM | 2010年 / 3卷 / 06期

关键词：

alcohols; biomass; heterogeneous catalysis; rhenium; rhodium; ION-EXCHANGE-RESIN; ABSORPTION FINE-STRUCTURE; CU-ZNO CATALYSTS; SELECTIVE HYDROGENOLYSIS; PROPYLENE-GLYCOL; AQUEOUS-SOLUTION; RH/SIO2; RU/C; DEOXYGENATION; PERFORMANCE;

D O I：

10.1002/cssc.201000040

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Production of propanols from glycerol, which are known as biopropanols, requires catalysts for the hydrogenolysis of 1,2-propanediol, which has been easily derived from glycerol. It is found that the Rh/SiO2 catalysts modified with ReOx species exhibited high activity and selectivity in the hydrogenolysis of 1,2-propanediol to propanols with low selectivity to degradation products and high stability. The optimized Rh-ReOx/SiO2 (Re/Rh=0.5) catalyst gave high yields of 1-propanol (66%) and propanols (1-propanol +2-propanol) (85%) in the hydrogenolysis of 1,2-propanediol. In addition, the catalyst was applicable to the one-pot conversion of glycerol to propanols. The structure of Rh metal particles with attached ReOx clusters is suggested from the catalyst characterization. It is proposed that 1,2-propanediol hydrogenolysis proceeds by the hydrogendysis of the alkoxide species on Re with hydrogen species on the Rh metal surface.

引用

页码：728 / 736

页数：9

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