Vapor-phase oxidation of β-picoline to nicotinic acid on V2O5 and modified vanadium oxide catalysts

被引：0
|
作者：
P. B. Vorobyev
L. I. Saurambaeva
T. P. Mikhailovskaya
O. K. Yugay
A. P. Serebryanskaya
I. A. Shlygina
机构：
[1] Bekturov Institute of Chemical Sciences,
来源：
Russian Journal of Applied Chemistry | 2014年 / 87卷
关键词：
Vanadium; Nicotinic Acid; Vanadium Oxide; Vanadium Oxide Catalyst; Vanadyl Oxygen;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Modification of V2O5 with Ti, Sn, Zr, Nb, and Al oxides improves the activity and selectivity of the vanadium oxide catalyst in vapor-phase oxidation of β-picoline to give nicotinic acid. It is shown that the conversion of β-picoline and the yield of nicotinic acid on two-component V2O5-TiO2, V2O5-SnO2, V2O5-ZtrO2, V2O5-Nb2O5, and V2O5-Al2O3 catalysts may be several times those on the V2O5 catalyst. It was found that, on passing from V2O5 to double-component vanadium-containing catalysts, the proton affinity of active oxygen bonded to vanadium, calculated by the quantum-chemical method, grows simultaneously with the increase in the activity of the catalysts in the oxidation reaction.
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页码：887 / 894
页数：7
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