Method for preparing allyl acetate

Method for preparing allyl acetate

  • CN 103,121,955 A
  • Filed: 11/18/2011
  • Published: 05/29/2013
  • Est. Priority Date: 11/18/2011
  • Status: Active Application
First Claim
Patent Images

1. the preparation method of an allyl acetate, with the reaction raw materials that propylene, acetic acid, oxygen, water form, be 1600~

  • 3000hr in 130~

    200 ℃

    of temperature of reaction, unstripped gas air speed -1Obtain containing the reaction product of allyl acetate with contact catalyst under 0.5~

    0.9MPa reaction pressure, the mol ratio of described reaction raw materials is oxygen;

    propylene;

    nitrogen;

    acetic acid=1;

    5~

    7;

    4~

    8;

    1~

    2, described catalyzer is with SiO 2, Al 2O 3Or its mixture is carrier, load active component comprises palladium metal, metallic copper and alkali metal acetate, in catalyzer, the content of palladium is that the content of 1~

    12g/L, copper is that the content of 0.1~

    10g/L, alkali metal acetate is 10~

    100g/L, the crystal grain median size that it is characterized in that described palladium copper is 4~

    10nm, and the number of the crystal grain in median size ±

    20% scope accounts for whole crystal grain 60~

    80%.

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