Acidic silicon-aluminium catalytic material

Acidic silicon-aluminium catalytic material

  • CN 102,949,987 A
  • Filed: 08/30/2011
  • Published: 03/06/2013
  • Est. Priority Date: 08/30/2011
  • Status: Active Application
First Claim
Patent Images

1. an acid Si-Al catalysis material has the boehmite crystal phase structure;

  • In oxide weight, its anhydrous chemical expression is;

    (0~

    0.2) Na 2O (44~

    46) SiO 2(54~

    56) Al 2O 3, specific area is 200~

    400m 2/ g, pore volume are 0.5~

    1.0ml/g, and average pore size is 8~

    15nm, it is characterized in that the infrared B acid of 200 ℃

    of pyridines that record of this catalysis material and the ratio of L acid are 0.130~

    0.150.

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