Investigation of the Catalytic Behavior of Cerium Based Mixed Oxides (CeO2 andCeO2-MnOx (0.25))for NO+CO Reduction
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
CBGCONF03_105
تاریخ نمایه سازی: 8 آبان 1395
Abstract:
In this paper, cerium based mixed oxide catalysts were tested in catalytic reduction of NO with CO. Nano crystalline CeO2-MnOx mixed oxide catalysts with Mn/ (Mn + Ce) =0 and 0.25 molar ratio were prepared by sol-gel combustion method. To characterize the physicochemical properties of prepared catalysts the following analysis were evaluated X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM), and also their activities have been checked for reduction of NOx with CO. The CeO2-MnOx catalysts demonstrated better activity than CeO2 in both low and high temperature. The superior activity of CeO2-MnOx with Mn/ (Mn+Ce) =0.25 molar ratio compare to CeO2 was obtained in 400 oC with 77% NO conversion and 74% CO conversion.
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Authors
S Bahrami
Department of Chemical Engineering & Petroleum, University of Tabriz, Iran
A Tarjomannejad
Department of Chemical Engineering & Petroleum, University of Tabriz, Iran
A Niaei
Department of Chemical Engineering & Petroleum, University of Tabriz, Iran
M Mousavi
Faculty of chemistry, University of Kashan, 8731751167 Kashan, Iran
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