Mechanochemical synthesis of calcium and copper ferrite catalysts for medium-temperature carbon monoxide conversion

被引：0
|
作者：
A. P. Il’in
N. N. Smirnov
A. A. Il’in
机构：
[1] Ivanovo State University of Chemical Technology,
来源：
Kinetics and Catalysis | 2006年 / 47卷 / 6期
关键词：
Ferrite; Octahedral Site; Calcium Oxide; Mechanochemical Synthesis; Methyl Acetate;
D O I：
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学科分类号：
摘要：
The mechanochemical synthesis of calcium and copper ferrites has been investigated by X-ray powder diffraction, X-ray crystallography, thermogravimetric analysis, IR spectroscopy, sedimentation analysis, and chromatography. The effects of mechanical activation and heat treatment on the formation of calcium ferrite with a perovskite structure and copper ferrite with a mixed spinel structure are demonstrated. Calcium and copper ferrites calcined at low temperatures (450–500°C) are catalytically very active in the water-gas shift reaction. CO conversion on calcium and copper ferrites yields a number of by-products. The concentrations of these by-products in the condensate have been determined.
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页码：901 / 906
页数：5
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