Abstract
Zirconium pyrophosphate (ZrP2O7) was synthesized from zirconyl chloride and phosphoric acid. A series of ZrP2O7-supported V2O5 catalysts, with the oxide loading ranging from 2 to 8 wt.%, was prepared by wet impregnation method. These catalysts were characterized by various techniques like X-ray diffraction, BET surface area, pore size distribution, FT-IR spectroscopy, acidity measurements and X-ray photoelectron spectroscopy. Their catalytic functionality was evaluated in the ammoxidation of 2-methyl pyrazine (MP) to 2-cyano pyrazine (CP). The V2O5/ZrP2O7 catalysts are found to be highly active and selective. FT-IR profiles of used catalysts indicate the interaction of ammonia with vanadia. The physico-chemical properties of the catalysts are correlated with their activity and nitrile selectivity.
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Srilakshmi, C., Ramesh, K., Nagaraju, P. et al. Studies on Preparation, Characterization and Ammoxidation Functionality of Zirconium Phosphate-Supported V2O5 Catalysts. Catal Lett 106, 115–122 (2006). https://doi.org/10.1007/s10562-005-9617-1
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DOI: https://doi.org/10.1007/s10562-005-9617-1