Activity of Cu-Co-M (M= Ce, Ni, Au, Mg) catalysts prepared by coprecipitation method, calcined at high temperature for CO oxidation
محورهای موضوعی : Iranian Journal of Catalysis
Gaurav Rattan
1
(Dr. S. S. Bhatnagar University Institute of Chemical Engineering & Technology, Panjab University, Chandigarh, India.)
Chirag Khullar
2
(Dr. S. S. Bhatnagar University Institute of Chemical Engineering & Technology, Panjab University, Chandigarh, India.)
Maninder Kumar
3
(Department of Chemical Engineering, Chandigarh University, Mohali, Punjab, India.)
کلید واژه: Gold, nickel, Catalyst, Magnesium, CO oxidation, Cu-Co, Cerium,
چکیده مقاله :
The present study deals with analysis of the activity of catalysts prepared by addition of different metals to Copper and Cobalt based catalysts for CO oxidation and the variation in activity caused by changes in composition. A series of catalysts were prepared with Cu:Co molar ratio 1:4 and a third metal (M= Ce, Ni, Au, Mg) was added in three different quantities. Compositions were prepared by coprecipitation method, calcinated at 550°C for three hours. The results reported that the cerium based catalysts showed the highest activity T100% = 390°C in terms of CO oxidation whereas gold based catalysts showed the least activity T58.24% = 418°C. The best selected catalyst of each group was characterized by the Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR).
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