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Catalytic Hydrogenation of Azide Ion in Process Waste Waters

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Abstract

Sodium azide is being applied not only in air bag inflators but also in organic syntheses producing azide ions containing process waste waters, mostly in alkaline aqueous solutions. The elimination of azide ions was attained in these process waste waters with hydrogenation under pressure with skeletal type nickel catalyst. The azide instantaneously reacts with the hydrogen content of the Raney-nickel. In sufficient amount it can even completely deactivate the catalyst.

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Acknowledgement

The authors are grateful to Sanofi-Aventis Chinoin supporting this research.

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Authors and Affiliations

  1. HAS Institute of Isotopes, Konkoly Thege Miklos ut 29-33, 1121, Budapest, Hungary

    Antal Tungler

  2. Sanofi-Aventis Chinoin, Tó u.1-5, 1045, Budapest, Hungary

    Erzsébet Ódor

  3. Budapest University of Technology and Economics, Budafoki ut 8, 1111, Budapest, Hungary

    Gábor Bajnóczy

Authors
  1. Antal Tungler
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  2. Erzsébet Ódor
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  3. Gábor Bajnóczy
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Corresponding author

Correspondence to Antal Tungler.

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Tungler, A., Ódor, E. & Bajnóczy, G. Catalytic Hydrogenation of Azide Ion in Process Waste Waters. Top Catal 53, 1153–1155 (2010). https://doi.org/10.1007/s11244-010-9552-2

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  • DOI: https://doi.org/10.1007/s11244-010-9552-2

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