Issue 5, 2001

Abstract

Vanadium nitride, prepared by carbonitrothermic reduction of a V2O5 + C mixture at a temperature of 1500 °C under continuous nitrogen flow, was thermally decomposed to metallic vanadium. The extent of removal of nitrogen from VN was found to depend upon temperature, time and reduced pressure. A portion of the residual oxygen and carbon, present in VN, was also removed, in the form of CO, during denitrogenation. The optimum decomposition temperature, time and pressure were 1750 °C, 1 h and 0.05 Pa for a charge of 500 g. The vanadium, obtained at the end of the pyrovacuum heating, is suitable for catalytic applications in industrial processes.

Graphical abstract: On the thermal decomposition of vanadium nitride

Article information

Article type
Paper
Submitted
26 Sep 2000
Accepted
20 Feb 2001
First published
29 Mar 2001

J. Mater. Chem., 2001,11, 1514-1518

On the thermal decomposition of vanadium nitride

P. K. Tripathy, J. Mater. Chem., 2001, 11, 1514 DOI: 10.1039/B007792P

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