مقاله Catalytic Removal of NOx over CeO2-MOx (M=Mn, Fe, Co, Ni and Cu) Binary Oxide Nanocatalysts

 مقاله Catalytic Removal of NOx over CeO2-MOx (M=Mn, Fe, Co, Ni and Cu) Binary Oxide Nanocatalysts

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بخشی از متن مقاله Catalytic Removal of NOx over CeO2-MOx (M=Mn, Fe, Co, Ni and Cu) Binary Oxide Nanocatalysts :

سال انتشار: 1393
محل انتشار: دومین کنفرانس تخصصی فناوری نانو در صنعت برق و انرژی
تعداد صفحات: 4
نویسنده(ها):
Seyed Mahdi Mousavi – Faculty of Chemistry University of Kashan Kashan, Iran
Aligholi Niaei – Department of Applied Chemistry and Chemical Engineering, University of Tabriz Tabriz, Iran
Dariush Salari – Department of Applied Chemistry and Chemical Engineering, University of Tabriz Tabriz, Iran
Parvaneh Nakhostin Panahi – Department of Chemistry University of Zanjan Zanjan, Iran

چکیده:

NOx removal is investigated over CeO2-MOx binary oxide nanocatalysts in catalytic reduction of NOx with ammonia. The CeO2-MOx binary oxides (M = Mn, Fe, Co, Ni and Cu) with different M/Ce+M molar ratios (0, 0.25, 0.5, 0.75 and 1) are prepared by sol-gel method. X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Temperature Programmed Reduction with H2 (H2-TPR) analyses are conducted to characterize the physical-chemical properties of thecatalysts. Experimental results showed that CeO2-MnOx (0.25) nanocatalysts yield best performance (83% NOx conversion and 68% N2 yield at low temperature of 200 °C) than other binary oxides. The low temperature NH3-SCR catalyst developed in this paper is able to working in downstream of the dust removal and/or desulfuration devices without the need for reheating.

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مقاله Catalytic Removal of NOx over CeO2-MOx (M=Mn, Fe, Co, Ni and Cu) Binary Oxide Nanocatalysts