Microwave-assisted base-free oxidation of glucose on gold nanoparticle catalysts

被引：38
作者：
Rautiainen, Sari [1 ]
Lehtinen, Petra [1 ]
Vehkamaki, Marko [1 ]
Niemela, Klaus [2 ]
Kemell, Marianna [1 ]
Heikkila, Mikko [1 ]
Repo, Timo [1 ]
机构：
[1] Univ Helsinki, Dept Chem, Inorgan Chem Lab, FIN-00014 Helsinki, Finland
[2] VTT Tech Res Ctr Finland Ltd, Espoo 02044, Finland
来源：
CATALYSIS COMMUNICATIONS | 2016年 / 74卷
关键词：
Oxidation; Carbohydrates; Heterogeneous catalysis; Gold; Microwave chemistry; SELECTIVE OXIDATION; HYDROGEN-PEROXIDE; BIOMASS; ACID; CONVERSION; CLUSTERS; GLYCEROL; SUPPORT; AIR; AU;
D O I：
10.1016/j.catcom.2015.11.014
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：
Base-free oxidation of glucose to gluconic acid with supported gold catalysts was studied using microwave heating. High conversion and selectivity were obtained in a remarkably shortened reaction time; in 10 min gluconic acid was obtained with up to 76% yields with 0.09 mol%Au/Al2O3 and hydrogen peroxide as oxidant. Very high turn-over frequencies over 10,000 h(-1) were measured for the microwave assisted oxidation. Moreover, the catalyst activity remained constant in four consecutive runs, even though minor particle growth was observed. (C) 2015 Published by Elsevier B.V.
引用
收藏
页码：115 / 118
页数：4
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