Effect of Preparation Conditions on the Catalytic Activity of CuMnOx Catalysts for CO Oxidation

DOI: https://doi.org/10.9767/bcrec.12.3.900.437-451
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Submitted: 09-01-2017
Published: 28-10-2017
Section: Original Research Articles
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The hopcalite (CuMnOx) catalyst is a well-known catalyst for oxidation of CO at ambient temperature. It has prepared by co-precipitation method and the preparation parameters were like Copper/Manganese (Cu:Mn) molar ratios, drying temperature, drying time, calcination temperature and calcination time has an influence on activity of the resultant catalyst. The activity of the catalyst was measured in flowing air calcinations (FAC) conditions. The reaction temperature was increased from ambient to a higher value at which complete oxidation of CO was achieved. The particle size, weight of catalyst and CO flow rate in the air were also influenced by the activity of the catalyst for CO oxidation. The characterizations of the catalysts were done by several techniques like XRD, FTIR, BET, SEM-EDX and XPS. These results were interpreted in terms of the structure of the active catalyst. The main aim of this paper was to identify the optimum preparation conditions of CuMnOx catalyst with respect to the performance of catalyst for CO oxidation. Copyright © 2017 BCREC Group. All rights reserved

Received: 9th January 2017; Revised: 24th May 2017; Accepted: 25th May 2017; Available online: 27th October 2017; Published regularly: December 2017

How to Cite: Dey, S., Dhal, G.C., Mohan, D., Prasad, R. (2017). Effect of Preparation Conditions on the Catalytic Activity of CuMnOx Catalysts for CO Oxidation. Bulletin of Chemical Reaction Engineering & Catalysis, 12 (3): 431-451 (doi:10.9767/bcrec.12.3.900.437-451)

 

Keywords

Carbon monoxide; CuMnOx catalyst; Co-precipitation; Drying temperature; Calcination; Activity measurement

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