Bulk bimetallic catalysts, method of making bulk bimetallic catalysts and hydroprocessing using bulk bimetallic catalysts
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-023/00
C10G-047/00
C10G-049/04
출원번호
UP-0586399
(2006-10-25)
등록번호
US-7648941
(2010-02-22)
발명자
/ 주소
Soled, Stuart L.
Miseo, Sabato
Eijsbouts, Sonja
Plantenga, Frans L.
출원인 / 주소
ExxonMobil Research and Engineering Company
대리인 / 주소
Weisberg, David M.
인용정보
피인용 횟수 :
21인용 특허 :
7
초록▼
The invention relates to a process for upgrading hydrocarbonaceous feedstreams by hydroprocessing using bulk bimetallic catalysts. More particularly, the invention relates to a catalytic hydrotreating process for the removal of sulfur and nitrogen from a hydrocarbon feed such as a fuel or a lubricat
The invention relates to a process for upgrading hydrocarbonaceous feedstreams by hydroprocessing using bulk bimetallic catalysts. More particularly, the invention relates to a catalytic hydrotreating process for the removal of sulfur and nitrogen from a hydrocarbon feed such as a fuel or a lubricating oil feed. The catalyst is a bulk catalyst comprising a Group VIII metal and a Group VIB metal.
대표청구항▼
What is claimed is: 1. A bulk catalyst comprising nickel tungsten metal oxidic particles, wherein the bulk catalyst has been prepared by a process comprising (i) forming a slurry of a first solid metal compound comprising Group VIII metal nickel and a second solid metal compound comprising Group VI
What is claimed is: 1. A bulk catalyst comprising nickel tungsten metal oxidic particles, wherein the bulk catalyst has been prepared by a process comprising (i) forming a slurry of a first solid metal compound comprising Group VIII metal nickel and a second solid metal compound comprising Group VIB metal tungsten in a protic liquid, the slurry further comprising less than about 10 mole % of a second Group VIE metal (relative to the total amount of Group VIB metals) and less than about 10 mole % of a Group V metal (relative to the total of the Group VIB metals), (ii) reacting the first and second solid metal compounds at elevated temperature and under conditions sufficient to form the nickel tungsten metal oxidic particles, whereby the first and second solid metal compounds remain at least partly in the solid state during the entire reaction, wherein the bulk catalyst has a metastable hexagonal structure having an X-ray diffraction pattern with a single reflection between 58 and 65° (diffraction angle 20) and main reflections between 32 and 36° and between 50 and 55°, and wherein the main reflections have a full width at half maximum (FWHM) of less than about 2.5°. 2. The bulk catalyst according to claim 1, which is heat treated at a temperature below a temperature where transition to a crystalline structure occurs. 3. The bulk catalyst according to claim 1 having a nickel to tungsten metal molar ratio between about 0.2 and about 2. 4. The bulk catalyst according to claim 1, wherein the protic liquid is water and the reaction is done under hydrothermal conditions at a reaction temperature above about 100° C. and a pressure higher than about 1 bar. 5. The bulk catalyst according to claim 4, wherein the metal molar ratio is between about 0.2 and about 1.5. 6. The bulk catalyst according to claim 5, wherein the metal molar ratio is between about 0.2 and about 1. 7. The bulk catalyst according to claim 1, wherein the metal molar ratio is between about 1 and about 2 and wherein the reaction is done at substantially atmospheric pressure. 8. The bulk catalyst according to claim 7, wherein the metal molar ratio is between about 1 and about 1.5. 9. The bulk catalyst according to claim 1, wherein the reaction is carried out for a time of at least about 2 hours. 10. The bulk catalyst according to claim 1, wherein the first compound is a nickel carbonate or hydroxy-carbonate having a surface area of at least about 150 m2/g. 11. The bulk catalyst according to claim 1, further comprising a Group V metal, wherein the amount of the Group V metal, relative to the total of the Group VIB metals, is between about 0.1 and about 10 mole %. 12. The bulk catalyst according to claim 11, wherein the Group V metal is niobium. 13. A sulphided bulk catalyst comprising a bulk catalyst according to claim 1 that has been sulphided. 14. A bulk catalyst comprising the nickel tungsten metal oxidic particles of claim 1 and a binder, wherein the bulk catalyst comprises at least about 60 wt % nickel tungsten metal oxidic particles. 15. A process for the manufacture of a bulk catalyst comprising nickel tungsten metal oxidic particles, the process comprising (i) forming a slurry of a first solid metal compound comprising Group VIII metal nickel and a second solid metal compound comprising Group VIB metal tungsten in a protic liquid, the slurry further comprising less than about 10 mole % of a second Group VIB metal (relative to the total amount of Group VIB metals) and less than about 10 mole % of a Group V metal (relative to the total of the Group VIB metals), (ii) reacting the first and second solid metal compounds at elevated temperature and under conditions sufficient to form the nickel tungsten metal oxidic particles, whereby the first and second solid metal compounds remain at least partly in the solid state during the entire reaction, wherein the bulk catalyst has a metastable hexagonal structure having an X-ray diffraction pattern with a single reflection between 58 and 65° (diffraction angle 20) and main reflections between 32 and 36° and between 50 and 55°, and wherein the main reflections have a full width at half maximum (FWHM) of less than about 2.5°. 16. The process of claim 15, further comprising one or more of the following process steps: (iii) separating the metal oxidic particles from the slurry; (iv) compositing with 0 to 40 wt % relative to the total weight of the bulk catalyst of one or more materials selected from the group of binder materials, conventional hydroprocessing catalysts and cracking compounds before, during or after the combining and/or reacting of the metal compounds; (v) spray-drying, (flash) drying, milling, kneading, slurry-mixing, dry or wet mixing, or combinations thereof; (vi) shaping; (vii) drying and/or thermally treating at a temperature below a temperature where transition to a crystalline structure occurs, and (viii) sulfiding. 17. The process according to claim 15, wherein the Group VIII to Group VIB metal molar ratio is between about 0.2 and about 1.5, the protic diluent is water and the reaction is done under hydrothermal conditions at a reaction temperature above about 100° C. and a pressure higher than about 1 bar. 18. The process according to claim 15, wherein the reaction is done at substantially atmospheric pressure and at temperature below about 120° C. and wherein the metal molar ratio is between about 1 and about 1.5. 19. The process according to claim 15, wherein the reaction between the first and second metal compound is an acid/base reaction and wherein the first or second metal compound is a basic solid and the other metal compound is an acidic solid compound. 20. The process according to claim 19, wherein the first metal (group VIII) compound is a metal (hydroxy) carbonate and the second metal compound is a (group VI) metal oxide or acid. 21. The process according to claim 20, wherein the first and second solid metal compounds are free from nitrogen atoms and wherein the protic liquid separated from the reacted metal oxidic particles in step iii) is re-used at least in part to form the slurry in step i).
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