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Process for recovering ethylene from an olefin stream produced by a methanol to olefin reaction

  • US 5,811,621 A
  • Filed: 08/09/1996
  • Issued: 09/22/1998
  • Est. Priority Date: 08/09/1996
  • Status: Expired due to Fees
First Claim
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1. A process for producing and recovering ethylene, comprising the steps of:

  • converting a methoxy composition to a mixture containing ethylene, methane and hydrogen;

    feeding said ethylene containing mixture to a first distillation unit to producean ethylene containing condensate stream essentially free of any content of methane and hydrogen, and a vapor stream composition containing ethylene and methane in a mole ratio of ethylene to methane of at least about 1;

    1.

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