Hydroprocessing catalysts and methods for making thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-031/00
B01J-027/24
B01J-027/02
B01J-027/043
B01J-027/045
B01J-023/00
B01J-023/40
B01J-023/42
B01J-023/44
B01J-023/58
B01J-023/70
B01J-023/74
B01J-027/051
B01J-023/85
B01J-035/00
B01J-023/883
B01J-023/24
B01J-023/887
B01J-037/20
C10G-049/04
B01J-035/10
출원번호
US-0331341
(2011-12-20)
등록번호
US-8778828
(2014-07-15)
발명자
/ 주소
Mironov, Oleg
Kuperman, Alexander E.
Bhaduri, Rahul Shankar
Chabot, Julie
Yang, Shuwu
Jiao, Ling
Nguyen, Joseph V.
Reynolds, Bruce Edward
출원인 / 주소
Chevron U.S.A. Inc.
인용정보
피인용 횟수 :
0인용 특허 :
84
초록▼
A process for preparing a slurry catalyst for the upgrade of heavy oil feedstock is provided. The process employs a pressure leach solution obtained from a metal recovery process as part of the metal precursor feed. In one embodiment, the process comprises: sulfiding a pressure leach solution having
A process for preparing a slurry catalyst for the upgrade of heavy oil feedstock is provided. The process employs a pressure leach solution obtained from a metal recovery process as part of the metal precursor feed. In one embodiment, the process comprises: sulfiding a pressure leach solution having at least a Group VIB metal precursor compound in solution forming a catalyst precursor, and mixing the sulfided catalyst precursor with a hydrocarbon diluent to form the slurry catalyst. In another embodiment, the pressure leach solution is mixed with a hydrocarbon diluent under high shear mixing conditions to form an emulsion, which emulsion can be sulfided in-situ upon contact with a heavy oil feedstock in the heavy oil upgrade process.
대표청구항▼
1. A process for preparing a slurry catalyst for use in upgrading heavy oil feedstock, comprising: providing a pressure leach solution obtained from a metal recovery process, the pressure leach solution comprising at least a water-soluble metal precursor salt of a Primary metal, wherein the water-so
1. A process for preparing a slurry catalyst for use in upgrading heavy oil feedstock, comprising: providing a pressure leach solution obtained from a metal recovery process, the pressure leach solution comprising at least a water-soluble metal precursor salt of a Primary metal, wherein the water-soluble metal precursor salt was previously leached into the pressure leach solution in a leaching step;mixing the solution with at least a hydrocarbon diluent forming a catalyst precursor;providing at least a sulfiding agent to sulfide the catalyst precursor forming the slurry catalyst. 2. The process of claim 1, wherein the Primary metal is selected from any of a Group VIB metal, a Group IIB metal, and a Group VIII metal. 3. The process of claim 1, further comprising: subjecting the catalyst precursor to reduction at a temperature above ambient. 4. The process of claim 1, wherein the mixing of the pressure leach solution with the at least a hydrocarbon diluent is under high shear mixing to generate an emulsion with droplet sizes ranging from 0.1 to 300 μm. 5. The process of claim 1, wherein the catalyst precursor is mixed with the heavy oil feedstock under in-situ sulfiding conditions for the heavy oil feedstock to provide the sulfiding agent needed for the sulfidation forming the slurry catalyst. 6. The process of claim 1, where the sulfidation of the catalyst precursor forming the slurry catalyst occurs ex-situ prior to the heavy oil upgrade. 7. The process of claim 6, wherein the sulfiding agent is selected from the group of elemental sulfur, hydrogen sulfide, ammonium sulfide, ammonium polysulfide ((NH4)2Sx), ammonium thiosulfate ((NH4)2S2O3), sodium thiosulfate (Na2S2O3), thiourea (CSN2H4), carbon disulfide, dimethyl disulfide (DMDS), dimethyl sulfide (DMS), tertiarybutyl polysulfide (PSTB) and tertiarynonyl polysulfide (PSTN), and mixtures thereof. 8. The process of claim 6, wherein the hydrocarbon diluent is selected from gasoline, diesel, vacuum gas oil (VGO), cycle oil (MCO or HCO), jet oil, fuel oil, heavy oil feedstock, and mixtures thereof. 9. The process of claim 1, wherein the pressure leach solution is mixed with the hydrocarbon diluent in an amount of 5 to 50 wt. % of total weight of the hydrocarbon diluent. 10. The process of claim 1, wherein the pressure leach solution is prepared from a pressure leach slurry containing up to 10 wt. % coke and up-to 2 wt % insoluble ammonium metavanadate in the coke by filtering the pressure leach slurry to remove the coke and the ammonium metavanadate. 11. The process of claim 1, wherein the pressure leach solution is from a metal recovery process for recovering metals from a spent catalyst. 12. The process of claim 1, wherein the pressure leach solution is from a metal recovery process for recovering metals from mineral ores. 13. The process of claim 1, wherein the pressure leach solution is from a metal recovery process for recovering metals from metallurgical wastes. 14. The process of claim 1, wherein the pressure leach solution contains a mixture of at least a water-soluble metal precursor salt of a Primary metal and at least a water-soluble metal precursor salt of a Promoter metal. 15. The process of claim 1, wherein the pressure leach solution contains a mixture of ammonium heptamolybdate and nickel sulfate. 16. The process of claim 1, wherein the pressure leach solution contains at least 50 to 90 gpL (grams per liter) molybdenum and 3 to 10 gpL nickel. 17. The process of claim 1, wherein the slurry catalyst prepared therefrom has a total surface area of at least 100 m2/g, a total pore volume of at least 0.4 cc/g and a polymodal pore distribution with at least 90% of pore sizes in the range of 5 to 1,000 Angstroms in diameter. 18. A process for preparing a slurry catalyst for use in upgrading heavy oil feedstock, comprising: providing a pressure leach solution containing a mixture of at least a water-soluble metal precursor salt of a Primary metal and at least a water-soluble metal precursor salt of a Promoter metal obtained from a metal recovery process and wherein the metal precursor salts were previously leached into the pressure leach solution in a leaching step;mixing the at least a metal precursor solution with at least a hydrocarbon diluent forming a catalyst precursor;mixing the at least a catalyst precursor with at least a heavy oil feedstock under in-situ sulfiding conditions for the heavy oil feedstock to provide at least a sulfiding agent to sulfide the catalyst precursor forming a slurry catalyst. 19. The process of claim 18, wherein the at least a metal precursor was mixed with the heavy oil feedstock at a temperature from 752° F. to 1112° F. under a pressure from 1435 psig (10 MPa) to 3610 psig (25 MPa) for in-situ sulfiding to take place. 20. The process of claim 18, wherein the hydrocarbon diluent is selected from gasoline, diesel, vacuum gas oil (VGO), cycle oil (MCO or HCO), jet oil, fuel oil, heavy oil feedstock, and mixtures thereof. 21. The process of claim 18, wherein the pressure leach solution is from a metal recovery process for recovering metals from a spent catalyst. 22. The process of claim 18, wherein the pressure leach solution contains a mixture of ammonium heptamolybdate and nickel sulfate. 23. The process of claim 18, wherein the slurry catalyst prepared therefrom has an average particle size ranging from 1 to 300 μm. 24. A process for preparing a slurry catalyst for use in upgrading heavy oil feedstock, comprising: providing a pressure leach solution obtained from a metal recovery process, the pressure leach solution comprising at least a water-soluble metal precursor salt of a Primary metal, wherein the water-soluble metal precursor salt was previously leached into the pressure leach solution in a leaching step;providing at least a sulfiding agent to sulfide the pressure leach solution forming a catalyst precursor;mixing the catalyst precursor with at least a hydrocarbon diluent under reducing conditions forming the slurry catalyst. 25. The process of claim 24, wherein the slurry catalyst is of the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein the Primary metal M is selected from group VIB metals, Group VIII metals, Group IIB metals; L is optional as a Promoter metal and L is different from M, L is at least one of a Group VIII metal, a Group VIB metal, a Group IVB metal, and a Group IIB metal; b>=0; 0=
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