Spectroscopic and electrochemical characterization of heteropoly acids for their optimized application in selective biomass oxidation to formic acid

被引：128

作者：

Albert, Jakob ^{[1
]}

Lueders, Daniela ^{[2
]}

Boesmann, Andreas ^{[1
]}

Guldi, Dirk M. ^{[2
]}

Wasserscheid, Peter ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Lehrstuhl Chem Reakt Techn, D-91058 Erlangen, Germany

[2] Univ Erlangen Nurnberg, Lehrstuhl Phys Chem 1, D-91058 Erlangen, Germany

来源：

GREEN CHEMISTRY | 2014年 / 16卷 / 01期

关键词：

SUPERCRITICAL WATER; OXYGENATED HYDROCARBONS; CATALYTIC CONVERSION; HYDROGEN-PRODUCTION; CESIUM SALTS; CELLULOSE; POLYOXOMETALATE; CHEMISTRY; COMPLEX; DEHYDROGENATION;

D O I：

10.1039/c3gc41320a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Different Keggin-type polyoxometalates have been synthesized and characterized in order to identify optimized homogeneous catalysts for the selective oxidation of biomass to formic acid (FA) using oxygen as an oxidant and p-toluenesulfonic acid as an additive. Applying the optimized polyoxometalate catalyst system H-8[PV5Mo7O40] (HPA-5), a total FA-yield (with respect to carbon in the biogenic feedstock) of 60% for glucose within 8 h reaction time and 28% for cellulose within 24 h reaction time could be achieved. The transformation is characterized by its mild reaction temperature, its excellent selectivity to FA in the liquid product phase and its applicability to a very wide range of biogenic raw materials including non-edible biopolymers and complex biogenic mixtures.

引用

页码：226 / 237

页数：12

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