Barium titanium oxide-containing fluidizable cracking catalyst composition

Abstract

A cracking catalyst composition comprising a zeolitic, crystalline aluminosilicate, a matrix material and a barium titanium oxide. The catalyst composition is particularly suitable for cracking metal-containing hydrocarbon feedstocks.

What is claimed is: 
     
       1. A fluidized cracking catalyst comprising a zeolitic, crystalline aluminosilicate, a matrix material and a barium titanium oxide. 
     
     
       2. A catalyst according to claim 1, wherein said barium titanium oxide and said zeolitic, crystalline aluminosilicate are collectively incorporated in a matrix comprising said matrix material. 
     
     
       3. A catalyst according to claim 1, comprising 1 to 20 percent by weight of said barium titanium oxide. 
     
     
       4. A catalyst according to claim 1, comprising 1 to 10 percent by weight of said barium titanium oxide. 
     
     
       5. A catalyst according to claim 4, comprising 10 to 30 percent by weight of said zeolitic, crystalline aluminosilicate. 
     
     
       6. A catalyst according to claim 5, wherein said barium titanium oxide and said zeolitic, crystalline aluminosilicate are embedded in 10 to 90 percent by weight of said matrix material. 
     
     
       7. A catalyst according to claim 1, wherein said barium titanium oxide is physically separated from said zeolitic, crystalline aluminosilicate, said catalyst comprising: a. catalytically active particles comprising said zeolitic, crystalline embedded in said matrix material, and   b. catalytically less active particles comprising said barium titanium oxide embedded in said matrix material.   
     
     
       8. A catalyst according to claim 7, wherein said catalytically less active particles contain 10 to 40 percent by weight of barium titanium oxide. 
     
     
       9. A catalyst according to claim 8, wherein said catalytically active particles contain 20 to 40 percent by weight of said zeolitic, crystalline aluminosilicate. 
     
     
       10. A catalyst according to claim 1, wherein said barium titanium oxide is barium titanate. 
     
     
       11. A catalyst according to claim 1, further comprising a clay. 
     
     
       12. A catalyst according to claim 1, further comprising a passivator. 
     
     
       13. A catalyst according to claim 1, further comprising an oxidation promoting metal or metal compound. 
     
     
       14. Particles comprising barium titanium oxide embedded in a matrix material. 
     
     
       15. Particles according to claim 14, wherein said barium titanium oxide is barium titanate. .Iadd. 
     
     
       16.  A catalyst according to claim 7, wherein said barium titanium oxide is barium titanate..Iaddend..Iadd.17. A catalyst according to claim 1, wherein said aluminosilicate is selected from the group consisting of zeolites A,X,Y, ultrastabilized sieves, ZK-4, ZK-5, ZSM-5, ZSM-11 and ZSM-12..Iaddend..Iadd.18. A catalyst according to claim 1, wherein said matrix material is selected from the group consisting of silica, silica-alumina, alumina, zirconia, titania, magnesia and mixtures thereof..Iaddend..Iadd.19. A catalyst according to claim 1, wherein the barium titanium oxide is selected from the group consisting of BaTiO 3 , BaTi 3  O 7 , BaTi 4  O 9 , Ba 2  TiO 4 , Ba 2  Ti 5  O 12 , Ba 2  Ti 9  O 20 , Ba 4  Ti 13  O 30  and Ba 6  Ti 17  O 40 ..Iaddend.