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Keywords:

  • clays;
  • heterogeneous catalysis;
  • hydrogenation;
  • ionic liquids;
  • ruthenium
Thumbnail image of graphical abstract

In three steps to ruthenium-based heterogeneous catalysts: The central element of this novel and simple route is the immobilization of Ru0 nanoparticles on montmorillonite (see picture; the arrows indicate a Ru nanoparticle intercalated in the interlaminar space of montmorillonite) with the help of an ionic liquid. The resulting catalyst is highly efficient for the hydrogenation of benzene.