Method for preparing low carbon olefins from methanol

Method for preparing low carbon olefins from methanol

  • CN 104,628,507 A
  • Filed: 11/06/2013
  • Published: 05/20/2015
  • Est. Priority Date: 11/06/2013
  • Status: Active Grant
First Claim
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1. , by a method for preparing low-carbon olefin by using methanol, mainly comprise the following steps:

  • (1) raw material being mainly methyl alcohol enters reactor A, contacts with catalyst A, generates the hydrocarbon mixture comprising low-carbon alkene and enters centrifugal station;

    (2) ethene, propylene is isolated as product, isolate C4 ~ C6 hydrocarbon and enter reactor C, the hydrocarbon mixture that reactor C generates returns described centrifugal station, isolates more than C6 hydrocarbon and enters reactor B, and the hydrocarbon mixture that reactor B generates returns described centrifugal station.

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