Patent EA-004799-B1 (EA)
Title: Calcined oxide material
Inventor: CORMA CANOS AVELINO
IPC: C10G45/06
Filed: 1999-08-04
Abstract: 1. A calcined oxide material, comprising oxide XO2 and optionally oxide Y2O3, where X represents a tetravalent element, wherein the oxide material has an X-ray diffraction pattern shown below values p( angstrom ) and I/I0x100 p( angstrom )	I/I0x100 9.50+-0.19	f 7.10+-0.14	f 6.62+-0.13	m 5.68 +-0.11	d 3.97 +-0.08	f 3.73+-0.07	f 3.53 +-0.07	mf 3.16+-0.06	m and has micropores and surface area characteristics, determined by N2 adsorption desorption, of a total surface area of at least 400 m<2> g<-1> and an external surface area of at least 350 m<2> g<-1>. 2. An oxide material according to claim 1 wherein the total surface area is at least 450 m<2>g<-1> and an external surface area is at least 400 m<2> g<-1>. 3. A calcined oxide material, comprising oxide XO2 and optionally oxide Y2O3, where X represents a tetravalent element, wherein the oxide material has an X-ray diffraction pattern shown below values p( angstrom ) and I/I0x100 p( angstrom )	I/I0x100 9.50+-0.19	f 7.10+-0.14	f 6.62+-0.13	m 5.68+-0.11	d 3.97+-0.08	f 3.73+-0.07	f 3.53 +-0.07	mf 3.16+-0.06	m and has micropores and surface area characteristics, determined by N2 adsorption/desorption, where a microporous surface area is of at least 20 m<2>g<-1> and an external surface area is of at least 350 m<2>g<-1>. 4. An oxide material according to claim 3, wherein the microporous surface area is at least 50 m<2>g<-1> and the external surface area is at least 400 m<2>g<-1>. 5. A material according to any one of the previous claims, where X represents at least one of silicon germanium, and titanium. 6. A material according to any one of the previous claims, comprising XO2 and Y2O3 oxides. 7. A material according to claim 6, where Y represents at least one trivalent element selected from the group consisting of aluminium, boron, iron, chromium, gallium and mixtures thereof. 8. A material according to any one of claims 6-7, where X represents silicon and Y represents aluminium. 9. A material according to any one of claims 6-7, wherein the molar ratio of XO2 to Y2O3 is at least 5:1. 10. A material according to claim 5, in which the atomic ratio of X to Y is at least 5:1. 11. An oxide material according to claim 10, in which the atomic ratio of X to Y is greater than 10:1. 12. An oxide material according to claim 5, in which the atomic ratio of X to Y is within a range of between 30 and 500. 13. An oxide material according to any one of the previous claims 1 whose micro porous surface area is 50-100 m<2>g and whose external surface area is 450 to 600 m<2>g. 14. A process for the preparation of an oxide material as claimed in claim 1, which comprises converting into said material a precursor laminar oxide material with an X-ray diffraction pattern shown in FIG. 1 with basal spacing and relative intensities p( angstrom )	I/I0x100	p( angstrom )	I/I0x100 12.71+-0.25	mf	3.55+-0.07	m 12.00+-0.24	d	3.47+-0.07	m 7.31+-0.14	d	3.37+-0.07	d 7.07+-0.14	d	3.33 +-0.07	d 6.93+-0.14	d	3.22+-0.06	d 6.47+-0.13	d	3.13+-0.06	d 6.12+-0.12	d	3.08 +-0.06	d 5.82+-0.12	d	3.01+-0.06	d 5.61+-0.11	d	2.95+-0.06	d p( angstrom )	I/I0x100	p( angstrom )	I/I0x100 4.97+-0.10	d	2.91+-0.06	d 4.86+-0.10	d	2.88 +-0.06	d 4.75+-0.10	m	2.84+-0.06	d 4.60+-0.09	d	2.76+-0.06	d 4.38+-0.09	d	2.71+-0.05	d 4.26+-0.09	d	2.62+-0.05	d 4.09+-0.08	d	2.52+-0.05	d 3.93+-0.08	d	2.47+-0.05	d 3.78+-0.08	d	2.43 +-0.05	d 3.69+-0.07	m	2.38 +-0.05	d 3.64+-0.07	m	2.26+-0.05	d with subsequent at least partially delaminating a bulked product by mechanical agitation or ultrasonic treatment. 15. A process according to claim 14 wherein the bulked product has been obtained by dispersing said precursor laminar material in a bulking solution comprising an organic compound with a hydrocarbon chain and a proton acceptor group, and a compound capable of supplying hydroxide ion to the dispersion. 16. A process according to claim 14 wherein the precursor laminar material is dispersed in a bulking solution comprising cetyltrimethylammonium hydroxide and tetrapropylammonium hydroxide. 17 A process according to any one of claims 14-16 wherein the precursor lamina oxide material has been obtained by crystallization from a synthesis mixture comprising a source of silica, optionally a source of aluminium, a salt of fluoride and hydrogen fluoride and 4-amino-2,2,6,6-tetramethylpiperidine and water. 18. A process according to any one of claims 14-17 wherein at least partial lamination is followed by acid treatment. 19. An oxide material obtained by or obtainable by a process according to any one of claims 14-18. 20. A catalytic composition, which comprises an oxide material according to any one of claims 1-13 and 19 and at least one transition metal. 21. A composition according to claim 20, which also comprises a support. 22. A composition according to claim 21 wherein the support is alumina, silica or silica/alumina. 23. A composition according to any one of claims 20-22, wherein the metal has a hydrogenating effect. 24. A composition according to any one of claims 20-23 wherein the metal is Pt, Pd, Ru, Ni, Co, Mo, V, W, Rh or a mixture of any of these metals. 25. A composition according to claim 24 wherein the metal is Pt. 26. A composition according to claim 24 wherein the metals are Ni and Mo. 27. A catalytic composition which comprises an oxide material according to any one of claims 1-13 and 19 and a matrix. 28. A composition according to claim 27 wherein the matrix is a refractory oxide. 29. A process for isodewaxing a hydrocarbon feed which comprises contacting said feed with the oxide material according to any one of claims 1-13 and 19 or with a catalyst composition according to any one of claims 20-28 in the presence of hydrogen at elevated temperature and pressure. 30. A process for catalytic isomerisation of n-alkenes to branched alkenes which comprises contacting said n-alkene with the oxide material according to any one of claims 1-13 and 19 or with a catalyst composition according to any one of claims 19-28 at elevated temperature. 31. A process for cracking hydrocarbons, which comprises contacting said hydrocarbon with the oxide material according to any one of claims 1-13 and 19 or with a catalyst composition according to any one of claims 20-28 in the presence of hydrogen a composition according to claim 23 at elevated temperature and pressure in the presence or absence of water vapour.