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Keywords:

  • ethanol;
  • mesoporous silica;
  • metathesis;
  • nickel;
  • propene
Thumbnail image of graphical abstract

Ethanol to olefins: Very fast, selective, and stable formation of ethene, propene, and butenes from ethanol is achieved on Ni-MCM-41 at 573–723 K, without deactivation. Two reaction pathways via diethyl ether and acetaldehyde are suggested. The results are relevant for the possible use of bioethanol as a renewable material for the production of plastics.