Citation: Ehsan Amini, Mehran Rezaei. Preparation of mesoporous Fe-Cu mixed metal oxide nanopowder as active and stable catalyst for low-temperature CO oxidation[J]. Chinese Journal of Catalysis, ;2015, 36(10): 1711-1718. doi: 10.1016/S1872-2067(15)60922-6 shu

Preparation of mesoporous Fe-Cu mixed metal oxide nanopowder as active and stable catalyst for low-temperature CO oxidation

Ehsan Amini ,
Mehran Rezaei ^,

1.
Institute of Nanoscience and Nanotechnology, Catalyst and Advanced Materials Research Laboratory, Chemical Engineering Department, Faculty ofEngineering, University of Kashan, Kashan, Iran

Corresponding author: Mehran Rezaei,
Received Date: 13 April 2015
Available Online: 25 May 2015

A series of mesoporous Fe-Cu mixed metal oxide nanopowders with different Cu/Fe molar ratios and high specific surface areas were synthesized via a simple, inexpensive, surfactant-free sol-gel route using propylene oxide as the gelation agent. The catalytic behavior of the nanopowders in low-temperature CO oxidation was investigated using a microreactor-gas chromatography system. The prepared materials were characterized by X-ray diffraction, N₂ adsorption-desorption, thermogravimetric-differential thermal analysis, temperature-programmed reduction, Fourier transform infrared spectroscopy, and transmission electron microscopy. These mesoporous Fe-Cu mixed metal oxide catalysts had nanocrystalline structures, narrow pore size distributions, and high surface areas; they showed high catalytic activities and stabilities in low-temperature CO oxidation. The addition of CuO to iron oxide affected the structure and catalytic performance of the iron oxide. The catalyst containing 15 mol% CuO had the highest specific surface area and catalytic activity, and showed high catalytic stability in low-temperature CO oxidation.
- Iron oxide,
- Copper oxide,
- Metal oxide catalyst,
- Mesoporous nanopowder,
- CO oxidation,
- Sol-gel method
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沈阳化工大学材料科学与工程学院沈阳 110142