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Keywords:

  • heterogeneous oxidation catalysis;
  • phenol synthesis;
  • platinum;
  • rhenium;
  • zeolites
Thumbnail image of graphical abstract

Best director: The direct synthesis of phenol from benzene and O2 was performed with 78–94 % selectivity on Pt/β and Pt-Re/ZSM-5 catalysts, regulated by NH3 (see figure, (1)). An alternating process (see figure, (2)-1 and (2)-2) afforded the selective synthesis of phenol with 83–99.8 % selectivity, whilst minimizing the consumption of NH3.