Method for producing ethylene through ethanol catalytic dehydration

Method for producing ethylene through ethanol catalytic dehydration

  • CN 102,649,665 A
  • Filed: 02/25/2011
  • Published: 08/29/2012
  • Est. Priority Date: 02/25/2011
  • Status: Active Grant
First Claim
Patent Images

1. the method that catalytic dehydration of ethanol is produced ethene is a raw material with ethanol, is 200~

  • 380 ℃

    in temperature of reaction, is 0~

    2MPa in the gauge pressure reaction pressure, and reaction velocity is 0.1~

    8 hour -1Under the condition, raw material successively with composite bed reactor in catalyst I contact with catalyst I I, generate the logistics contain ethene;

    Wherein, catalyst I is silica alumina ratio SiO 2/ Al 2O 3Be 40~

    400 ZSM-5 molecular sieve, catalyst I I is silica alumina ratio SiO 2/ Al 2O 3Be 20~

    300 ZSM-5 molecular sieve, and the silica alumina ratio of catalyst I is greater than catalyst I I silica alumina ratio, the filling ratio of catalyst I and catalyst I I is 0.1~

    8;

    1.

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