Senapati, Rabinarayan and Dutta, P. (2020) A Versatile VMPO Catalyst Prepared In Situ for Oxidative Ammonolysis of Isomeric Picolines and Xylenes. Russian Journal of General Chemistry, 90 (2). pp. 292-298.

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Abstract

The V2O5–MoO3–P2O5 (VMPO) catalyst has been prepared in situ by thermal decomposition of vanado-molybdophosphoric acid (PMoV) on TiO2 support at 475°C. The TiO2 supported VMPO catalysts are characterized by FT–IR, XRD, BET surface area, NH3–TPD, and H2–TPR. Morphology of the catalyst has been studied by TEM. The accumulated data indicate decomposition of PMoV and presence of phosphate and pyrophosphate phases of molybdenum and vanadium after calcination. TPD and TPR studies exhibit the moderate acidity and presence of V4+ in the material, respectively. The VMPO catalyst has been used for ammoxidation of six different compounds including three isomeric picolines and three isomeric xylenes to the corresponding nitriles with the yield of 90–96%.

Item Type:	Article
Uncontrolled Keywords:	picoline xylene VMPO oxidative ammonolysis nitrile
Subjects:	Calibration Cell
Divisions:	UNSPECIFIED
Depositing User:	Mr. B. R. Panduranga
Date Deposited:	12 Jun 2020 08:52
Last Modified:	12 Jun 2020 08:52
URI:	http://cimfr.csircentral.net/id/eprint/2233

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