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

• Current Assignee: Charles J. Plank, Edward J. Rosinski
• Original Assignee: Charles J. Plank, Edward J. Rosinski
• Inventors: Plank, Charles J., Rosinski, Edward J.
• Application Number:
  US04/042,284
• Time in Patent Office: 1,456 Days
• US Class Current: 208/120.15
• CPC Class Codes: B01J 20/18 Synthetic zeolitic molecular sieves
• CPC Class Codes: B01J 21/12 Silica and alumina
• CPC Class Codes: B01J 21/16 Clays or other mineral silicates
• CPC Class Codes: B01J 2229/36 Steaming
• CPC Class Codes: B01J 2229/42 Addition of matrix or binder particles
• CPC Class Codes: B01J 29/06 Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
• CPC Class Codes: B01J 29/061 containing metallic elements added to the zeolite
• CPC Class Codes: B01J 29/70 of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
• CPC Class Codes: C10G 11/05 Crystalline alumino-silicates, e.g. molecular sieves

Claims

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.