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The Denitridation of Nitrides of Iron, Cobalt and Rhenium Under Hydrogen |
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| Authors: | A.-M. Alexander J. S. J. Hargreaves C. Mitchell |
| Affiliation: | 1. WestCHEM, School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow, G12 8QQ, UK 3. Department of Chemical and Biochemical Engineering, The Ohio State University, 140W 19th Ave, Columbus, OH, 43210, USA 2. Huntsman Polyurethanes, Everslaan 45, B-3078, Everberg, Belgium |
| Abstract: | The denitridation behaviour of binary iron, cobalt and rehnium nitrides under H2 /Ar has been investigated. The iron nitride was found to lose over 70 % of its as prepared nitrogen content at 400 °C. The cobalt nitride was completely denitrided at 250 °C. Rhenium nitride lost close to 90 % of its nitrogen at 350 °C. In addition, Co-Re4 prepared by ammonolyis was investigated, whilst only traces of NH3 were lost from this material under H2/Ar at 400 °C, with H2/N2 it proved to be an active ambient pressure ammonia synthesis catalyst in accordance with previous literature. |
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