Physical–chemical and catalytic properties of deposited MoO3 and V2O5

被引：0
|
作者：
V. Sydorchuk
O. Makota
S. Khalameida
L. Bulgakova
J. Skubiszewska-Zięba
R. Leboda
V. Zazhigalov
机构：
[1] Institute for Sorption and Problems of Endoecology NAS of Ukraine,Institute of Chemistry and Chemical Technologies
[2] L’viv National Polytechnic University,Faculty of Chemistry
[3] Maria Curie-Sklodowska University,undefined
来源：
Journal of Thermal Analysis and Calorimetry | 2012年 / 108卷
关键词：
Vanadium and molybdenum oxides; Deposition; Dry milling; XRD; Epoxidation;
D O I：
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中图分类号：
学科分类号：
摘要：
The deposition of molybdenum and vanadium oxides onto fumed silica, titania, and alumina as supports through dry milling has been carried out. The structure of prepared compositions has been investigated by means of XRD, DTA–TG, FTIR, and UV–Vis spectroscopy, nitrogen adsorption. The deposited crystal phases are sufficiently uniformly distributed on support surface. The supported oxides are subjected to dispersion in process of milling to the state of oligomeric or isolated species. Milled bulk and deposited MoO3 (first of all, on alumina) possesses improved catalytic performance in process of epoxidation of 1-octene. Vanadium pentoxide also has higher activity in this process.
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页码：1001 / 1008
页数：7
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