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Keywords:

  • fixed-bed reactors;
  • heterogeneous catalysis;
  • pyrolysis;
  • polymers;
  • polystyrene
Thumbnail image of graphical abstract

Styrene monomer recovery: A selective stream of styrene from fast pyrolysis of polystyrene is obtained with an autothermal fixed-bed reactor containing noble-metal (Rh, Pt) catalysts. Autothermal fast pyrolysis of polystyrene is an efficient means of recovering monomers from waste polystyrene in a continuous, high-throughput process without external heating.