COMPARATIVE STUDY BETWEEN CATALYST PROPERTIES OF SIMPLE SPINEL FERRITE POWDERS PREPARED BY SELF-COMBUSTION ROUTE

被引：0
|
作者：
Rezlescu, N. [1 ]
Rezlescu, E. [1 ]
Popa, P. D. [1 ]
Doroftei, C. [1 ,2 ]
Ignat, M. [1 ,3 ]
机构：
[1] Natl Inst Res & Dev Tech Phys, Iasi, Romania
[2] Alexandru Ioan Cuza Univ, Fac Phys, Iasi, Romania
[3] Alexandru Ioan Cuza Univ, Fac Chem, Iasi, Romania
来源：
ROMANIAN REPORTS IN PHYSICS | 2013年 / 65卷 / 04期
关键词：
ferrite; catalyst; self-combustion; NANOPARTICLES; METHANE; OXIDES;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Eight kinds of simple semiconducting spinel ferrites, MeFe2O4, were prepared by self-combustion method using nitrates as precursors. To determine the phase composition and the nanostructure characteristics were performed X-ray diffraction and SEM observations. EDAX spectroscopy was utilized to evaluate the chemical composition and BET analysis to determine the specific surface area. The ferrites have tested catalytically in combustion reaction of three diluted gases: acetone, ethanol and methanol. The results revealed a pronounced decrease in the combustion temperature when Mg-, Cu- and Ni- ferrites are used as catalysts.
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页码：1348 / 1356
页数：9
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