Hydrocracking catalyst

Claim 2

A hydrocracking catalyst comprising one or more Group VIB metal components or one or more non-noble Group VIII metal components on a support comprising a zeolite aluminosilicate which has a mole ratio of oxides in the anhydrous state of (0.85-1.1)M.sub.2/n O:Al.sub.2 O.sub.3 :xSiO.sub.2 wherein M is a cation having a valence of "n" and "x" has a value above 9.0, said aluminosilicate having at an X-ray diffraction pattern comprising least the d-spacings of Table I and having been hydrothermally treated with resultant shrinkage in unit cell size followed by an ammonium cation exchange.

Claim 3

A hydrocracking catalyst as defined in claim 1 wherein said aluminosilicate is essentially free of rare earth metal cations in the ion exchange sites of said aluminosilicate.

Claim 4

A hydrocracking catalyst as defined in claim 1 wherein said aluminosilicate is essentially free of noble metals.

Claim 5

A hydrocracking catalyst as defined in claim 1 wherein the metals contained in the cation exchange sites of said aluminosilicate consist essentially of metals selected from the group consisting of Group VIB and non-noble Group VIII metals.

Claim 6

A hydrocracking catalyst as defined in claim 1 wherein said catalyst consists essentially of Group VIB and non-noble Group VIII metal components on said support.

Claim 7

A hydrocracking catalyst as defined in claim 5 wherein said aluminosilicate has a SiO 2 :Al 2 O 3 ratio between 11 and 15.

Claim 8

A hydrocracking catalyst as defined in claim 1 wherein said aluminosilicate has a SiO 2 :Al 2 O 3 ratio between 10 and 20.

Claim 9

A hydrocracking catalyst as defined in claim 5 wherein said aluminosilicate, prior to said hydrothermal treatment, is produced by contacting a zeolite of the Y crystal structure and of SiO 2 :Al 2 O 3 ratio below 6.0 with an aqueous fluorosilicate solution under conditions causing the SiO 2 :Al 2 O 3 ratio to increase above 9.0 while retaining at least 75 percent of the crystallinity of the zeolite prior to said contacting with said fluorosilicate.

Claim 10

A hydrocracking catalyst as defined in claim 1 wherein said aluminosilicate has extraneous silicon atoms in the crystal lattice in the form of framework SiO 4 tetrahedra.

Claim 11

A hydrocracking catalyst comprising one or more Group VIB metal components and one or more non-noble Group VIII metal components on a support comprising a zeolite aluminosilicate which has a mole ratio of oxides in the anhydrous state of (0.85--1.1)M.sub.2/n O:Al.sub.2 O.sub.3 :xSiO.sub.2 wherein M is a cation having a valence of "n" and "x" has a value above 9.0, said aluminosilicate having an x-ray diffraction pattern comprising at least the d-spacings of Table I and extraneous silicon atoms in the crystal lattice in the form of framework SiO 4 tetrahedra, and said aluminosilicate having been hydrothermally treated with resultant shrinkage in unit cell size followed by an ammonium cation exchange.

Claim 12

A hydrocracking catalyst comprising one or more Group VIB metal components and one or more non-noble Group VIII metal components on a support comprising a zeolite aluminosilicate which has a mole ratio of oxides in the anhydrous state of (0.85--1.1)M.sub.2/n O:Al.sub.2 O.sub.3 :xSiO.sub.2 wherein M is a cation having a valence of "n" and "x" has a value above 9.0, said aluminosilicate having an x-ray diffraction pattern comprising at least the d-spacings of Table I and extraneous silicon atoms in the crystal lattice in the form of framework SiO 4 tetrahedra, and said aluminosilicate having been hydrothermally treated with resultant shrinkage in unit cell size followed by an ammonium cation exchange.

Claim 13

A hydrocracking catalyst as defined in claim 10 wherein said aluminosilicate is essentially free of rare earth metal cations in the ion exchange sites of said aluminosilicate.

Claim 14

A hydrocracking catalyst as defined in claim 10 wherein said aluminosilicate is essentially free of noble metals.

Claim 15

A hydrocracking catalyst as defined in claim 10 wherein the metals contained in the cation exchange sites of said aluminosilicate consist essentially of metals selected from the group consisting of Group VIB and non-noble Group VIII metals.

Claim 16

A hydrocracking catalyst as defined in claim 10 wherein said catalyst consists essentially of Group VIB and non-noble Group VIII metal components on said support.

Claim 17

A hydrocracking catalyst as defined in claim 14 wherein said aluminosilicate has a SiO 2 :Al 2 O 3 ratio between 11 and 15.

Claim 18

A hydrocracking catalyst as defined in claim 10 wherein said aluminosilicate has a SiO 2 :Al 2 O 3 ratio between 10 and 20.

Claim 19

A hydrocracking catalyst as defined in claim 14 wherein said aluminosilicate, prior to said hydrothermal treatment, is produced by contacting a zeolite of the Y crystal structure and of SiO 2 :Al 2 O 3 ratio below 6.0 with a fluorosilicate under conditions causing the SiO 2 :Al 2 O 3 ratio to increase above 9.0 while retaining at least 75 percent of the crystallinity of the zeolite prior to said contacting with said fluorosilicate.

Claim 20

A hydrocracking catalyst comprising one or more tungsten or molybdenum components and one or more nickel or cobalt components on a support comprising a zeolite aluminosilicate which has a mole ratio of oxides in the anhydrous state of (0.85-1.1)M.sub.2/n O:Al.sub.2 O.sub.3 :xSiO.sub.2 wherein M is a cation having a valence of "n" and "x" has a value above 9.0, said aluminosilicate having an x-ray diffraction pattern comprising at least the d-spacings of Table I and extraneous silicon atoms in the crystal lattice in the form of framework SiO 4 tetrahedra, and said aluminosilicate having been hydrothermally treated with resultant shrinkage in unit cell size followed by an ammonium cation exchange.

Claim 21

A hydrocracking catalyst comprising one or more tungsten or molybdenum components and one or more nickel or cobalt components on a support comprising a zeolite aluminosilicate which has a mole ratio of oxides in the anhydrous state of (0.85-1.1)M.sub.2/n O:Al.sub.2 O.sub.3 :xSiO.sub.2 wherein M is a cation having a valence of "n" and "x" has a value above 9.0, said aluminosilicate having an x-ray diffraction pattern comprising at least the d-spacings of Table I and extraneous silicon atoms in the crystal lattice in the form of framework SiO 4 tetrahedra, and said aluminosilicate having been hydrothermally treated with resultant shrinkage in unit cell size followed by an ammonium cation exchange.

Claim 22

A hydrocracking catalyst as defined in claim 18 wherein said aluminosilicate is essentially free of rare earth metal cations in the ion exchange sites of said aluminosilicate.

Claim 23

A hydrocracking catalyst as defined in claim 18 wherein said aluminosilicate is essentially free of noble metals.

Claim 24

A hydrocracking catalyst as defined in claim 18 wherein the metals contained in the cation exchange sites of said aluminosilicate consist essentially of metals selected from the group consisting of Group VIB and non-noble Group VIII metals.

Claim 25

A hydrocracking catalyst as defined in claim 18 wherein said catalyst consists essentially of tungsten and nickel components on said support.

Claim 26

A hydrocracking catalyst as defined in claim 22 wherein said aluminosilicate has a SiO 2 :Al 2 O 3 ratio between 11 and 15.

Claim 27

A hydrocracking catalyst as defined in claim 18 wherein said aluminosilicate has a SiO 2 :Al 2 O 3 ratio between 10 and 20.

Claim 28

A hydrocracking catalyst as defined in claim 22 wherein said aluminosilicate, prior to said hydrothermal treatment, is produced by contacting a zeolite of the Y crystal structure and of SiO 2 :Al 2 O 3 ratio below 6.0 with a fluorosilicate under conditions causing the SiO 2 :Al 2 O 3 ratio to increase above 9.0 while retaining at least 75 percent of the crystallinity of the zeolite prior to said contacting with said fluorosilicate.

Claim 29

A catalyst as defined in claim 18 containing tungsten and nickel components.

Claim 30

A catalyst as defined in claim 24 containing tungsten and nickel components.

Claim 31

A catalyst as defined in claim 20 containing tungsten and nickel components.

Claim 32

A catalyst as defined in claim 19 containing tungsten and nickel components.

Claim 33

A crystalline aluminosilicate zeolite which has a mole ratio of oxides in the anhydrous state of (0.85-1.1)M.sub.2/n O:Al.sub.2 O.sub.3 :xSiO.sub.2 wherein M is a cation having a valence of "n" and "x" has a value from 9.0 to 15.0, said zeolite containing cations containing at least one non-noble Group VIII metal, said zeolite further having an x-ray diffraction pattern comprising at least the d-spacings of Table I, and having been hydrothermally treated with resultant shrinkage in unit cell size followed by an ammonium exchange.

Claim 34

A crystalline aluminosilicate zeolite which has a mole ratio of oxides in the anhydrous state of (0.85-1.1)M.sub.2/n O:Al.sub.2 O.sub.3 :xSiO.sub.2 wherein M is a cation having a valence of "n" and "x" has a value from 9.0 to 15.0, said zeolite containing cations containing at least one non-noble Group VIII metal, said zeolite further having an x-ray diffraction pattern comprising at least the d-spacings of Table I, and having been hydrothermally treated with resultant shrinkage in unit cell size followed by an ammonium exchange.

Claim 35

A zeolite as defined in claim 30 wherein the only metals contained in the cation exchange sites of the zeolite are non-noble Group VIII metals.

Claim 36

A zeolite as defined in claim 30 wherein said aluminosilicate has extraneous silicon atoms in the crystal lattice in the form of framework SiO 4 tetrahedra.

Claim 37

A zeolite as defined in claim 31 wherein said aluminosilicate has extraneous silicon atoms in the crystal lattice in the form of framework SiO 4 tetrahedra.