Catalytic cracking catalyst containing diatomaceous earth

  • US 5,164,073 A
  • Filed: 10/10/1990
  • Issued: 11/17/1992
  • Est. Priority Date: 04/13/1989
  • Status: Expired due to Fees
First Claim
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1. A catalytic composite suitable for the fluidized catalytic cracking of hydrocarbons in the absence of added hydrogen comprising particles containing a binder material comprising at least one inorganic refractory metal oxide selected from the group consisting of alumina, silica, zirconia, boria, magnesia, titania and chromia, a crystalline aluminosilicate and from about 1 wt % to about 15 wt % diatomaceous earth dispersed throughout the binder material as particles having a particle size of from about 2 to about 5 microns, but not including a supported catalytically active metal or metal oxide.

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