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On the Regeneration of Co3Mo3N from Co6Mo6N with N2

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Abstract

Nitrogen has been demonstrated to be effective for the regeneration of Co3Mo3N from Co6Mo6N, albeit at higher temperature and longer duration than, when employing H2/N2. In some instances, incomplete regeneration yielding a mixture of the two line phases is observed, which has been interpreted on the possible basis of a crystallite size distribution. Temperature programmed reduction of Co3Mo3N, prepared so as to eliminate the possible contribution of NHx groups, demonstrates the significant production of ammonia although in much lower quantities than NHx–containing Co3Mo3N samples.

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Acknowledgments

The authors are most grateful to Mr A Monaghan and Mrs K Wilson for their kind assistance with the in-situ powder XRD experiments and nitrogen analysis respectively. DHG and JSJH wish to acknowledge the generosity of the School of Chemistry, University of Glasgow and the EPSRC for the award of a DTA studentship to SMH.

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Authors and Affiliations

  1. WestCHEM, School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow, G12 8QQ, UK

    D. H. Gregory, J. S. J. Hargreaves & S. M. Hunter

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  1. D. H. Gregory
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  2. J. S. J. Hargreaves
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  3. S. M. Hunter
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Correspondence to D. H. Gregory or J. S. J. Hargreaves.

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Gregory, D.H., Hargreaves, J.S.J. & Hunter, S.M. On the Regeneration of Co3Mo3N from Co6Mo6N with N2 . Catal Lett 141, 22–26 (2011). https://doi.org/10.1007/s10562-010-0464-3

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  • DOI: https://doi.org/10.1007/s10562-010-0464-3

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