Effects of Doping on the Performance of CuMnOx Catalyst for CO Oxidation

DOI: https://doi.org/10.9767/bcrec.12.3.901.370-383
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Submitted: 09-01-2017
Published: 28-10-2017
Section: Original Research Articles
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The rare earth-doped CuMnOx catalysts were prepared by co-precipitation method. The CuMnOx catalyst was doped with (1.5 wt.%) CeOx, (1.0 wt.%) AgOx, and (0.5 wt.%) of AuOx by the dry deposition method. After the precipitation, filtration, and washing process, drying the sample at 110 oC for 16 hr in an oven and calcined at 300 oC temperature for 2 h in the furnace at stagnant air calcination condition. The influence of doping on the structural properties of the catalyst has enhanced the activity of the catalyst for CO oxidation. The doping of noble metals was not affected the crystal structure of the CuMnOx catalyst but changed the planar spacing, adsorption performance, and reaction performance. The catalysts were characterized by Brunauer-Emmett-Teller (BET) surface are, Scanning Electron Microscope Energy Dispersive X-ray (SEM-EDX), X-Ray Diffraction (XRD), and Fourier Transform Infra Red (FTIR) techniques.  The results showed that doping metal oxides (AgOx, AuOx, and CeOx) into CuMnOx catalyst can enhance the CO adsorption ability of the catalyst which was confirmed by different types of characterization technique. Copyright © 2017 BCREC Group. All rights reserved

Received: 9th January 2017; Revised: 18th March 2017; Accepted: 9th April 2017; Available online: 27th October 2017; Published regularly: December 2017

How to Cite: Dey, S., Dhal, G.C., Prasad, R., Mohan, D. (2017). Effects of Doping on the Performance of CuMnOx Catalyst for CO Oxidation. Bulletin of Chemical Reaction Engineering & Catalysis, 12 (3): 370-383 (doi:10.9767/bcrec.12.3.901.370-383)

 

Keywords

Carbon monoxide; Co-precipitation; Metal doping; Stagnant air calcination; Adsorptions.

  1. Subhashish Dey 
    Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, 221005,, India
    Ph.D. Student, Working in the Area Air Pollution Control,  Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, 221005, India
  2. Ganesh Chandra Dhal 
    Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, 221005,, India
    Ph.D. Student, Working in the Area Air Pollution Control,  Department of Civil Engineering, Indian Institute of Technology (BHU), Varanasi, 221005, India
  3. Ram Prasad 
    Department of Chemical Engineering and Technology, Indian Institute of Technology (BHU) Varanasi, India
    Professor, Department of Chemical Engineering and Technology, Indian Institute of Technology (BHU) Varanasi, India
  4. Devendra Mohan 
    Department of Civil Engineering, Indian Institute of Technology (BHU) Varanasi,, India
    Professor, Department of Civil Engineering, Indian Institute of Technology (BHU) Varanasi, India
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