Silicon-aluminium catalytic material with pseudo-boehmite crystal structure

Silicon-aluminium catalytic material with pseudo-boehmite crystal structure

  • CN 102,949,989 A
  • Filed: 08/30/2011
  • Published: 03/06/2013
  • Est. Priority Date: 08/30/2011
  • Status: Active Grant
First Claim
Patent Images

1. Si-Al catalysis material with boehmite crystal phase structure, in oxide weight, its anhydrous chemical expression is:

  • (0~

    0.2) Na 2O (30~

    33) SiO 2(67~

    70) Al 2O 3, its specific area is 300~

    500m 2/ g, pore volume are 0.5~

    1.5ml/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 0.085~

    0.100.

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