Supported foam-copper catalysts for methanol selective oxidation

被引：12
|
作者：
Pestryakov, AN
Petranovskii, VP
Pfänder, N
Knop-Gericke, A
机构：
[1] Fritz Haber Inst, Dept Inorgan Chem, D-14195 Berlin, Germany
[2] Univ Nacl Autonoma Mexico, Ctr Ciencias Materia Condensada, Ensenada 22800, Baja California, Mexico
来源：
CATALYSIS COMMUNICATIONS | 2004年 / 5卷 / 12期
关键词：
copper; foam catalysts; methanol oxidation; UV-vis spectroscopy;
D O I：
10.1016/j.catcom.2004.09.015
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：
Structural, mechanical, gas-dynamic and catalytic properties of copper catalysts supported on foam ceramics have been studied. Due to the three-dimensional open-porous cellular structure the foam catalysts have high gas permeability, mechanical strength, and low density. Catalytic activity and selectivity of the foam catalysts in the process of oxidation of methanol to formaldehyde exceed the characteristics of the conventional crystalline and granulated catalysts of the same composition. Different electronic states (ions, charged clusters, nanoparticles and microcrystals) of copper on the catalyst surface have been studied by the method of UV-Vis spectroscopy. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：777 / 781
页数：5
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