Prodn. of propylene

Prodn. of propylene

  • CN 1,292,048 C
  • Filed: 12/07/1998
  • Issued: 12/27/2006
  • Est. Priority Date: 12/05/1997
  • Status: Active Grant
First Claim
Patent Images

1. one kind by containing one or more C 4Or the olefin feedstock of above alkene produces the method for propylene, and this method comprises makes olefin feedstock under 500-600 ℃

  • temperature in, is that the MFI type catalyzer of 180-1000 contacts with silicon/al atomic ratio, and raw material is with 10-30h -1The liquid hourly space velocity by catalyzer, contain the effluent of propylene with generation, be 30-50 weight % based on the productivity of propylene of alkene based on the olefin(e) centent of raw material.

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