Catalytic production of 1,2-propanediol from glycerol in bio-ethanol solvent

被引：48

作者：

Xia, Shuixin ^{[1
]}

Yuan, Zhenle ^{[1
]}

Wang, Lina ^{[2
]}

Chen, Ping ^{[1
]}

Hou, Zhaoyin ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Chem, Inst Catalysis, Hangzhou 310028, Zhejiang, Peoples R China

[2] Zhejiang Sci Tech Univ, Minist Educ, Engn Res Ctr Ecodyeing & Finishing Text, Hangzhou 310018, Zhejiang, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2012年 / 104卷

基金：

中国国家自然科学基金;

关键词：

Biodiesel; Glycerol; Hydrogenolysis; Layered double hydroxide; SELECTIVE HYDROGENOLYSIS; BASE CATALYSTS; OXIDATION; ACID;

D O I：

10.1016/j.biortech.2011.11.031

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Production of 1,2-propanediol (1,2-PDO) from glycerol hydrogenolysis was carried out in bio-ethanol solvent over small amount of Rh-promoted Cu/solid-base catalysts prepared via layered double hydroxide precursors. It was found that glycerol hydrogenolysis proceeded easily on Rh-Cu/solid-base catalysts than separated Rh and Cu/solid-base. The conversion of glycerol and selectivity to 1,2-PDO over Rh0.02Cu0.4/Mg5.6Al1.98O8.57 reached 91.0% and 98.7%, respectively, at 2.0 MPa H-2, 180 degrees C. And this catalyst was stable in five consecutive hydrogenolysis tests in ethanol. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：814 / 817

页数：4

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