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Subhashish Dey
Department of Civil Engineering, IIT (BHU) Varanasi
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Effect of Preparation Conditions on the Catalytic Activity of CuMnOx Catalysts for CO Oxidation Subhashish Dey; Ganesh Chandra Dhal; Devendra Mohan; Ram Prasad
Bulletin of Chemical Reaction Engineering & Catalysis 2017: BCREC Volume 12 Issue 3 Year 2017 (December 2017)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (823.336 KB) | DOI: 10.9767/bcrec.12.3.900.437-451

Abstract

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. 
Co-Authors Devendra Mohan Ganesh Chandra Dhal Ram Prasad