Structure sensitivity in heterogeneous catalysis with noncompetitive adsorption of reactants: Selective oxidation of lignan hydroxymatairesinol to oxomatairesinol over gold catalysts

被引:7
|
作者
Simakova, Olga A. [1 ]
Murzina, Elena V. [1 ]
Murzin, Dmitry Yu. [1 ]
机构
[1] Abo Akad Univ, Lab Ind Chem & React Engn, Proc Chem Ctr, SF-20500 Turku, Finland
关键词
Oxidative dehydrogenation; Kinetics; Cluster size; Structure sensitivity; Lignans; SIZE DEPENDENT ACTIVITY; DEHYDROGENATION;
D O I
10.1016/j.crci.2014.01.002
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Structure sensitivity in heterogeneous catalytic oxidative dehydrogenation of lignan hydroxymatairesinol (HMR) extracted from Norway spruce knots was investigated over a series of alumina-supported gold catalysts. A mathematical model was developed based on the concept of noncompetitive adsorption of reactants. The model, being consistent with kinetic regularities, such as reaction orders in reactants, explains well the dependence of catalytic activity on the gold cluster size. (C) 2014 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:770 / 774
页数:5
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