Nd- or Zr-modified CuO-CeO2/Al2O3/FeCrAl monolithic catalysts for preferential oxidation of carbon monoxide in hydrogen-rich gases |
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| Authors: | SH Zeng |
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| Institution: | Department of Catalysis Sciences and Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China |
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| Abstract: | This work presents a study on the role of the additives over CuO-CeO2/Al2O3/FeCrAl monolithic catalysts for the preferential oxidation of CO. The monolithic catalysts were prepared by in situ combustion method and characterized using SEM, XRD and TPR techniques. The results show that the addition of neodymium or zirconium in the CuO-CeO2/Al2O3/FeCrAl catalysts influences the dispersion state of copper oxide and ceria, lowers the activity of hydrogen oxidation and broadens the temperature window for total CO-conversion. |
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| Keywords: | Ceria Copper oxide Preferential oxidation Neodymium Zirconium Monolith FeCrAl |
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