Journal
SURFACE AND INTERFACE ANALYSIS
Volume 50, Issue 12-13, Pages 1343-1348Publisher
WILEY
DOI: 10.1002/sia.6528
Keywords
combustion method; Cr2O3; Cu-substituted Cr2O3; glycine; NO-CO detoxification
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Funding
- RGNF Fellowship [F1-17.1/2014-15/RGNF-2014-15-ST-GOA-85914]
- SAP DSA-I [F.540/14/DSA-I/2015]
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Simultaneous detoxification of nitric oxide and carbon monoxide was investigated over fibrous pristine and copper-substituted Cr2O3 catalysts. Catalysts were synthesized using glycine combustion method. The prepared catalysts were characterized using X-ray diffraction, infrared spectroscopy, diffuse reflectance spectra, SEM-energy-dispersive X-ray, transmission electron microscopy, XPS, H-2-temperature programmed reduction, and Brunauer-Emmett-Teller surface area measurement. Low concentration of Cu in Cr2O3 was found to improve the catalytic activity significantly. Cu substitution in Cr2O3 produced significant improvement in the catalytic activity for redox reactions studied. Stability and reproducibility of the catalysts were also investigated, which was found to show good stability and reproducibility of the catalyst.
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