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A Self-Contained Regeneration Scheme for Spent Ammonia Borane Based on the Catalytic Hydrodechlorination of BCl3

Authors

  • Christian Reller,

    1. Department of Physical Chemistry, Technische Universität Bergakademie Freiberg, Leipziger Strasse 29, 09599 Freiberg (Germany)
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  • Prof. Dr. Florian O. R. L. Mertens

    Corresponding author
    1. Department of Physical Chemistry, Technische Universität Bergakademie Freiberg, Leipziger Strasse 29, 09599 Freiberg (Germany)
    • Department of Physical Chemistry, Technische Universität Bergakademie Freiberg, Leipziger Strasse 29, 09599 Freiberg (Germany)
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  • We thank Mr. Klaus Heinemann from Ullner and Ullner GmbH for technical support.

Abstract

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Recycling: A self-contained procedure for the recycling of BNH-waste, based on the three major steps: polymer break-up, amine supported catalytic hydrodehalogenation of boron halogens, and the base exchange in borane amine adducts, is developed (see picture). Beyond the original task of recycling spent ammonia borane, the process provides a new means to produce borohydride species efficiently, by the direct use of molecular hydrogen.

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