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Catalytic Reduction of NO with CO on Active Carbon-Supported Copper, Manganese, and Copper–Manganese Oxides

✍ Scribed by Neli B. Stankova; Mariana S. Khristova; Dimitar R. Mehandjiev


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
153 KB
Volume
241
Category
Article
ISSN
0021-9797

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✦ Synopsis


The catalytic activity of copper, manganese, and coppermanganese oxide catalysts with respect to NO reduction with CO has been investigated in the temperature range 25-300 • C. Coppermanganese oxide catalysts with Cu:Mn ratios of 1 : 2 and 1 : 1 where the two metals form spinel-like phases have shown the highest activity. With the three kinds of catalysts NO reduction proceeds to N 2 formation over the whole temperature range. The texture changes of the support after heat treatment and the adsorption characteristics of all samples have been evaluated by means of adsorption studies. Chemical and X-ray phase analyses and EPR investigations have been performed.


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✍ C. Marquez-Alvarez; I. Rodriguez-Ramos; A. Guerrero-Ruiz 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 798 KB

The copper-catalysed reduction of NO with carbon has been studied over copper-loaded carbon materials (graphites and activated carbon). Characterization of the different preparations has been carried out by X-ray diffraction, temperature-programmed reduction in hydrogen and surface reaction of NO. T