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Catalytic cracking of hydrocarbons with a crystalline zeolite catalyst composite

  • US 3,140,249 A
  • Filed: 07/12/1960
  • Issued: 07/07/1964
  • Est. Priority Date: 07/12/1960
  • Status: Expired due to Term
First Claim
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21. A PROCESS FOR CRACKING A HYDROCARBON CHARGE WHICH COMPRISES CONTACTING SAID CHARGE UNDER CATALYTIC CRACKING CONDITIONS WITHA CATALYST COMPRISING SPHEROIDAL PARTICLES CONTAINING A MINOR PROPORTION OF A SUBSTANTIALLY SODIUM-FREE CRYSTALLINE ALUMINOSILICATE HAVING A STRUCTURE OF RIGID THREE DIMENSIONAL NETWORKS CHARACTERIZED BY UNIFORM PORES AND HAVING A WEIGHT MEAN PARTICLE DIAMETER OF BETWEEN 2 AND 7 MICRONS SUSPENDED IN AND DISTRIBUTED THROUGHOUT A MATRIX OF AN INORGANIC OXIDE GEL SELECTED FROM THE GROUP CONSISTING OF SILICA AND COMPOSITES OF SILICA AND AN OXIDE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF METALS OF GROUPS IIA, IIIB, AND IVA OF THE PERIODIC TABLE, WHICH CATLAYST HAS A SODIUM CONTENT OF LESS THAN ABOUT 1 WEIGHT PERCENT.

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