Conversion with ZSM-5 family of crystalline aluminosilicate zeolites

Abstract

Catalytic conversion of hydrocarbons is carried out by contacting the same with a family of crystalline zeolites designated as ZSM-having the composition expressed as mol ratios of oxides as follows: 0.9±M.sub.2/n O:Al.sub.2 O.sub.3 :ySiO.sub.2 :zH.sub.2 O wherein M is at least one cation having a valence n, y is at least 5 and z is between 0-40, said aluminosilicates characterized by a specific X-ray powder diffraction pattern.

What is claimed is: 
     
       1. A process for converting a hydrocarbon charge which comprises contacting the same under hydrocarbon conversion conditions with a catalyst resulting from thermal treatment of a crystalline aluminosilicate zeolite having a composition in terms of mole ratios of oxides as follows:   0.9±0.2M.sub.2/n O:Al.sub.2 O.sub.3 :YSiO.sub.2 :zH.sub.2 O     wherein M is at least one cation having a valence n, Y is at least 5 and z is between 0 and 40, said thermally treated aluminosilicate catalyst having the X-ray diffraction lines of Table 1 of the specification.   
     
     
       2. The process of claim 1 wherein Y is 5-100. 
     
     
       3. The process of claim 1 wherein M comprises the cation selected from the group consisting of alkyl ammonium, metal, ammonium, hydrogen and mixtures thereof. 
     
     
       4. A process for cracking a hydrocarbon charge which comprises contacting the same under cracking conditions with a catalyst resulting from thermal treatment of a crystalline aluminosilicate zeolite having a composition in terms of mole ratios of oxides as follows:   0.9±0.2M.sub.2/n O:Al.sub.2 O.sub.3 :YSiO.sub.2 :zH.sub.2 O     wherein M is at least one cation having a valence n, Y is at least 5 and Z is between 0 and 40, said thermally treated aluminosilicate catalyst having the X-ray diffraction lines of Table 1 of the specification.   
     
     
       5. The process of claim 4 wherein Y is 5-100. 
     
     
       6. The process of claim 4 wherein M comprises the cation selected from the group consisting of alkyl ammonium, metal, ammonium, hydrogen and mixtures thereof. 
     
     
       7. A process for hydrocracking a hydrocarbon charge which comprises contacting the same in the presence of hydrogen under hydrocracking conditions with a catalyst resulting from thermal treatment of a crystalline aluminosilicate zeolite having a composition in terms of mole ratios of oxides as follows:   0.9±0.2M.sub.2/n O:Al.sub.2 O.sub.3 :YSiO.sub.2 :zH.sub.2 O     wherein M is at least one cation having a valence n, Y is at least 5 and z is between 0 and 40, said thermally treated aluminosilicate catalyst having the X-ray diffraction lines of Table 1 of the specification.   
     
     
       8. The process of claim 7 wherein Y is 5-100. 
     
     
       9. The process of claim 7 wherein M comprises the cation selected from the group consisting of alkyl ammonium, metal, ammonium, hydrogen, and mixtures thereof. 
     
     
       10. A process for isomerization of polyalkyl substituted aromatics which comprises contacting the same under isomerization conditions with a catalyst resulting from thermal treatment of a crystalline aluminosilicate zeolite having a composition in terms of mole ratios of oxides as follows:   0.9±0.2M.sub.2/n O:Al.sub.2 O.sub.3 :YSiO.sub.2 :zH.sub.2 O     wherein M is at least one cation having a valence n, Y is at least 5 and z is between 0 and 40, said thermally treated aluminosilicate catalyst having the X-ray diffraction lines of Table 1 of the specification.   
     
     
       11. The process of claim 10 wherein the polyalkyl substituted aromatic is ortho-xylene. 
     
     
       12. A process for the disproportionation of alkyl aromatics which comprises contacting the same under conversion conditions with a catalyst resulting from thermal treatment of a crystalline aluminosilicate zeolite having a composition in terms of mole ratios of oxides as follows:   0.9±0.2M.sub.2/n O:Al.sub.2 O.sub.3 :YSiO.sub.2 :zH.sub.2 O     wherein M is at least one cation having a valence n, Y is at least 5 and z is between 0 and 40, said thermally treated aluminosilicate catalyst having the X-ray diffraction lines of Table 1 of the specification.   
     
     
       13. The process of claim 12 wherein the alkyl aromatic is toluene. .Iadd. 14. The process of claim 7 wherein said hydrocracking conditions include a temperature between 400° F and 825° F, a pressure between 10 and 2500 p.s.i.g., a liquid hourly space velocity between 0.1 and 10 and a molar ratio of hydrogen to hydrocarbon between 2 and 80. .Iaddend..Iadd. 15. The process of claim 7 wherein said catalyst contains a hydrogenating component selected from the group consisting of tungsten, vanadium, molybdenum, rhenium, nickel, cobalt, chromium, manganese, platinum and palladium. .Iaddend..Iadd. 16. The process of claim 14 wherein said catalyst contains a hydrogenating component selected from the group consisting of tungsten, vanadium, molybdenum, rhenium, nickel, cobalt, chromium, manganese, platinum and palladium. .Iaddend.