MCM-41 silica modified with copper and iron oxides as catalysts for methanol decomposition

被引:35
|
作者
Tsoncheva, T
Areva, A
Dirnitrov, M
Paneva, D
Mitov, I
Linden, M
Minchev, C
机构
[1] Bulgarian Acad Sci, Inst Organ Chem, BU-1113 Sofia, Bulgaria
[2] Abo Akad Univ, Dept Phys Chem, FI-20500 Turku, Finland
[3] Bulgarian Acad Sci, Inst Catalysis, BU-1113 Sofia, Bulgaria
关键词
iron and copper modified MCM-41; Moessbauer spectroscopy; methanol decomposition;
D O I
10.1016/j.molcata.2005.10.028
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
Mixed copper and iron modified MCM-41 mesoporous silica with various Cu/Fe ratio are characterized by N-2 physisorption, X-ray diffraction (XRD), transmission electron micrographs (TEM), X-ray photoelectron spectroscopy (XPS), Moessbauer spectroscopy and temperature programmed reduction with hydrogen. Their catalytic properties in methanol decomposition to CO and H-2 are investigated and compared with that of the corresponding mono-component materials. The catalytic behaviour of bi-component materials are discussed based on the nature of the catalytic active sites. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:118 / 127
页数:10
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