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Catalytic incineration differs from thermal incineration principally in that it

  • A.Requires a much longer residence time
  • B.Produces no carbon dioxide
  • C.Works only on inorganic gases
  • D.Achieves oxidation at a much lower temperature

Answer: D

A catalyst lowers the activation barrier so the reaction proceeds at three to four hundred degrees rather than eight hundred or more. The fuel saving is large, but catalyst poisoning by metals, halogens and sulphur is a real operating risk.

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