Application of NiCo2O4 as a catalyst in the conversion of p-nitrophenol to p-aminophenol

被引:89
作者
Swathi, T. [1 ]
Buvaneswari, G. [1 ]
机构
[1] VIT Univ, Sch Sci & Humanities, Mat Div Chem, Vellore 632014, Tamil Nadu, India
关键词
catalyst; hydrogenation; nickel cobalt spinet oxide; UV-VIS; IR;
D O I
10.1016/j.matlet.2008.05.028
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Transition metal containing spinel structure type oxides exhibit characteristic structural, electrical, magnetic and catalytic properties. Present work investigated a novel application of nickel and cobalt containing spinel oxide (NiCo2O4) in the conversion of p-nitrophenol to p-aminophenol. The oxide compound was synthesized by citrate gel method and characterized by powder X-ray diffraction method and scanning electron microscopy. The conversion process involved room temperature hydrogenation of p-nitrophenol by aqueous sodium borohydride. Powder nickel cobalt oxide was used as a catalyst. The reduction of p-nitrophenol has been monitored by UV-VIS and IR spectroscopic analysis. Complete conversion of the nitro compound to amino compound was achieved within a minute. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:3900 / 3902
页数:3
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