Claims
- 1. A process for preparing a catalyst composition wherein at least one Group VIII non-noble metal component and at least two Group VIB metal components are combined and reacted in the presence of a protic liquid, after which the resulting composition is isolated and dried, the total of the Group VIII and Group VIB metal components, calculated as oxides, making up at least about 50 wt. % of the catalyst composition, calculated on dry weight, an organic oxygen-containing additive is added prior to, during, or subsequent to the combining and reacting of the metal components in such and amount that the molar ratio of the total amount of additive added to the total amount of Group VIII and Group VIB metal components is at least about 0.01.
- 2. The process of claim 1 wherein the catalyst is dried under such conditions that at least part of the additive is maintained in the catalyst composition.
- 3. The process of claim 1, wherein the catalyst composition is subjected to a calcination step at such conditions that the additive is removed from the catalyst.
- 4. The process of claim 1 wherein the metal components are combined and reacted in solution to form a precipitate.
- 5. The process of claim 1 wherein at least one of the metal components remains at least partly in the solid state during the entire process.
- 6. The process of claim 1 wherein the organic additive is selected from the group of compounds comprising at least two oxygen atoms groups and 2-about 20 carbon atoms and the compounds built up from these compounds.
- 7. The process of claim 1 wherein the organic additive is selected from the group of compounds comprising at least two hydroxyl groups and 2-about 20 carbon atoms and the compounds built up from these compounds.
- 8. The process of claim 7 wherein the additive is at least one compound selected from ethylene glycol, diethylene glycol, polyethylene glycol, saccharide, or polysaccharide.
- 9. The process of claim 1 wherein the additive satisfies the formula (I) (R1R2)N —R3—N(R1′R2′) or formula (II) N(R1R2R1′) wherein R1, R2, R1′ and R2′ are independently selected from alkyl, alkenyl, and allyl, with up to about 10 carbon atoms optionally substituted with one or more groups selected from carbonyl, carboxyl, ester, ether, amino, or amido, and R3 is an alkylene group with up to about 10 carbon atoms which may be interrupted by —O— or —NR4—, R4 being selected from the same group as indicated above for R1, which R3 alkylene group may be substituted with one or more groups selected from carbonyl, carboxyl, ester, ether, amino, or amido, with the proviso that the organic compound of formula (I) or (II) comprises at least one carbonyl moiety.
- 10. The process of claim 9 wherein the additive is selected from ethylene diamine(tetra)acetic acid (EDTA), hydroxyethylene diamine triacetic acid, and diethylene triamine pentaacetic acid, and nitrilotriacetic acid (NTA).
- 11. The process of claim 1 wherein the additive is an ester of fatty acid(s) having at least about 12 carbon atoms.
- 12. The process of claim 1 wherein the additive is an ester of fatty acid(s) having at least about 16 atoms.
- 13. The process of claim 1 wherein the additive is an ester of fatty acid(s) having at least about 20 carbon atoms.
- 14. The process of claim 11 wherein the acid ester is an ester of fatty acid(s) with mono-glyceride, diglyceride, or triglyceride.
- 15. The process of claim 1 which includes a sulfidation step.
- 16. A catalyst composition comprising at least one Group VIII non-noble metal component and at least two Group VIB metal components, wherein the catalyst composition further comprises at least about 0.01 mole of an organic oxygen-containing additive per mole of the total of Group VIB metals and Group VIII non-noble metals present in the catalyst composition, the total of the Group VIII and Group VIB metal components, calculated as oxides, making up at least about 50 wt. % of the catalyst composition, calculated on dry weight.
- 17. The catalyst composition of claim 16 wherein the Group VIII and Group VIB metal components make up at least about 70 wt. % of the catalyst composition, calculated as oxides.
- 18. The catalyst composition of claim 17 wherein the Group VIII and Group VIB metal components make up at least about 90 wt. % of the catalyst composition, calculated as oxides.
- 19. The catalyst composition of claim 16 wherein the Group VIII non-noble metal component comprises cobalt, nickel, iron, or mixtures thereof.
- 20. The catalyst composition of claim 16 wherein nickel and cobalt make up at least about 50 wt. % of the total of Group VIII non-noble metal components.
- 21. The catalyst composition of claim 20 wherein nickel and cobalt make up at least about 70 wt. % of substantially all of the Group VIII non-noble metal components.
- 22. The catalyst composition of claim 20 wherein nickel and cobalt make up at least about 90 wt. % of the Group VIII non-noble metal components.
- 23. The catalyst composition of claim 16 wherein the Group VIB metal component comprises at least two of molybdenum, tungsten, and chromium.
- 24. The catalyst composition of claim 23 wherein molybdenum and tungsten make up at least about 50 wt. % of substantially all of the Group VIB metal components.
- 25. The catalyst composition of claim 23 wherein molybdenum and tungsten make up at least about 70 wt. % of all of the Group VIB metal components.
- 26. The catalyst composition of claim 23 wherein molybdenum and tungsten make up at least about 90 wt. % of all of the Group VIB metal components.
- 27. The catalyst composition of claim 16 wherein the organic additive is selected from the group of compounds comprising at least two oxygen atoms groups and 2-about 20 carbon atoms and the compounds built up from these compounds.
- 28. The catalyst composition of claim 16 wherein the organic additive is selected from the group of compounds comprising at least two hydroxyl groups and 2-about 20 carbon atoms and the compounds built up from these compounds.
- 29. The catalyst composition of claim 28 wherein the additive is at least one compound selected from ethylene glycol, diethylene glycol, polyethylene glycol, saccharide, or polysaccharide.
- 30. The catalyst composition of claim 16 wherein the additive satisfies formula (I) (R1R2)N—R3—N(R1′R2′)) or formula (II) N(R1R2R1′) wherein R1, R2, R1′ and R2′ are independently selected from alkyl, alkenyl, and allyl, with up to about 10 carbon atoms optionally substituted with one or more groups selected from carbonyl, carboxyl, ester, ether, amino, or amido, and R3 is an alkylene group with up to about 10 carbon atoms which may be interrupted by —O— or —NR4—, R4 being selected from the same group as indicated above for R1, which R3 alkylene group may be substituted with one or more groups selected from carbonyl, carboxyl, ester, ether, amino, or amido, with the proviso that the organic compound of formula (I) or (II) comprises at least one carbonyl moiety.
- 31. The catalyst composition of claim 30 wherein the additive is selected from ethylene diamine(tetra)acetic acid (EDTA), hydroxyethylene diamine triacetic acid, and diethylene triamine pentaacetic acid, and nitrilotriacetic acid (NTA).
- 32. The catalyst composition of claim 16 wherein the additive is an ester of fatty acid(s) having least about 12 carbon atoms.
- 33. The catalyst composition of claim 32 wherein the additive is an ester of fatty acid(s) having least about 16 carbon atoms.
- 34. The catalyst composition of claim 32 wherein the additive is an ester of fatty acid(s) having least about 20 carbon atoms.
- 35. The catalyst of claim 32 wherein the acid ester is an ester of fatty acid(s) with mono-glyceride, diglyceride, or triglyceride.
- 36. The catalyst composition of claim 16 which comprises one or more compounds selected from the group of binder materials, conventional hydroprocessing catalysts, cracking components, or mixtures thereof.
- 37. The catalyst composition of claim 36 which comprises 1-about 50 wt. % of a binder or carrier material.
- 38. The catalyst composition of claim 36 which comprises 1-about 30 wt. % of a binder or carrier material.
- 39. The catalyst composition of claim 36 which comprises 1-about 10 wt. % of a binder or carrier material.
- 40. The catalyst composition of claim 36 wherein said binder or carrier material comprises alumina.
- 41. A process for the hydroprocessing of hydrocarbon feedstocks wherein the catalyst composition of claim 16 is contacted with said hydrocarbon feedstocks at hydroprocessing conditions.
- 42. The process of claim 41 wherein said catalyst composition is sulfided prior to being contacted with said hydrocarbon feedstocks.
Priority Claims (1)
Number |
Date |
Country |
Kind |
00202468.5 |
Jul 2000 |
EP |
|
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority from EP 00202468.5, filed Jul. 12, 2000 and from U.S. Provisional Application No. 60/277,733, filed Mar. 21, 2001, both of which are incorporated herein by reference in their entirety.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60277733 |
Mar 2001 |
US |