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-023/58
B01J-023/70
B01J-023/74
B01J-023/44
B01J-023/883
B01J-023/887
B01J-027/051
B01J-037/20
B01J-023/24
B01J-023/85
B01J-035/00
C10G-049/04
B01J-035/10
출원번호
US-0331479
(2011-12-20)
등록번호
US-8802586
(2014-08-12)
발명자
/ 주소
Jiao, Ling
Chabot, Julie
Nguyen, Joseph V.
Dunckley, Christopher Paul
Yang, Shuwu
Maris, Erin P.
Mironov, Oleg
Reynolds, Bruce Edward
Kuperman, Alexander E.
출원인 / 주소
Chevron U.S.A. Inc.
인용정보
피인용 횟수 :
0인용 특허 :
84
초록▼
An improved hydroprocessing slurry catalyst is provided for the upgrade of heavy oil feedstock. The catalyst comprises dispersed particles in a hydrocarbon medium with the dispersed particles have an average particle size ranging from 1 to 300 μm. The catalyst has a total pore volume of at least 0.5
An improved hydroprocessing slurry catalyst is provided for the upgrade of heavy oil feedstock. The catalyst comprises dispersed particles in a hydrocarbon medium with the dispersed particles have an average particle size ranging from 1 to 300 μm. The catalyst has a total pore volume of at least 0.5 cc/g and a polymodal pore distribution with at least 80% of pore sizes in the range of 5 to 2,000 Angstroms in diameter. The catalyst is prepared from sulfiding and dispersing a metal precursor solution in a hydrocarbon diluent, the metal precursor comprising at least a Primary metal precursor and optionally a Promoter metal precursor, the metal precursor solution having a pH of at least 4 and a concentration of less than 10 wt. % of Primary metal in solution.
대표청구항▼
1. A slurry catalyst for use in hydroprocessing a heavy oil feedstock, wherein: the slurry catalyst comprises a plurality of dispersed particles in a hydrocarbon medium, wherein the dispersed particles have an average particle size ranging from 1 to 300 μm,the slurry catalyst has a polymodal pore di
1. A slurry catalyst for use in hydroprocessing a heavy oil feedstock, wherein: the slurry catalyst comprises a plurality of dispersed particles in a hydrocarbon medium, wherein the dispersed particles have an average particle size ranging from 1 to 300 μm,the slurry catalyst has a polymodal pore distribution with at least 80% of pore sizes in the range of 5 to 2,000 Angstroms in diameter, andthe slurry catalyst is prepared from sulfiding and dispersing a metal precursor solution in a hydrocarbon diluent, the metal precursor solution comprising at least a water-soluble salt of a Primary metal selected from Group VIB, Group JIB metals and Group VIII metals, the metal precursor solution having a pH of at least 4 and a concentration of less than 10 wt. % of the Primary metal in solution. 2. The slurry catalyst of claim 1, wherein the Primary metal is molybdenum and wherein the water-soluble metal salt is selected from the group of molybdates, alkali metal heptamolybdates, alkali metal orthomolybdates, alkali metal isomolybdates, phosphomolybdic acid, molybdenum oxide, molybdenum carbide, molybdenum nitride, aluminum molybdate, molybdic acid, and mixtures thereof. 3. The slurry catalyst of claim 1, wherein the metal precursor solution further comprises at least a water-soluble salt of a Promoter metal selected from any of Group IVB metals, Group VIII metals, and Group IIB metals, wherein the Promoter metal is different from the Primary metal, and the Promoter metal is present in a weight ratio of 1-50 wt. %. Promoter metal to Primary metal. 4. The slurry catalyst of claim 1, wherein the Promoter metal is nickel and wherein the water-soluble metal salt of the Promoter metal is selected from the group of nickel acetate, nickel carbonate, nickel chloride, nickel sulfate, nickel nitrate, nickel acetylacetone, nickel citrate, nickel oxalate, and mixtures thereof. 5. The slurry catalyst of claim 1, wherein at least 70% of the pore sizes are in the range of 5 to 1000 Angstroms in diameter. 6. The slurry catalyst of claim 1, wherein at least 50% of the pore sizes are in the range of 5 to 5000 Angstroms in diameter. 7. The slurry catalyst of claim 1, wherein at least 30% of the pore sizes are at least 100 Angstroms in diameter. 8. The slurry catalyst of claim 1, wherein the slurry catalyst has a total pore volume of at least 0.5 cc/g. 9. The slurry catalyst of claim 8, wherein the slurry catalyst has a total pore volume of at least 0.8 cc/g. 10. The slurry catalyst of claim 1, wherein the catalyst has an average particle size ranging from 2 to 100 μm. 11. The slurry catalyst of claim 1, wherein the slurry catalyst has a BET surface area ranging from 200 to 800 m2/g. 12. The slurry catalyst of claim 1, the metal precursor solution having a pH of at least 4 and a concentration of at least 0.1 wt. % of the Primary metal in solution. 13. The slurry catalyst of claim 1, the metal precursor solution having a pH of at least 5. 14. The slurry catalyst of claim 1, wherein the slurry catalyst has a general formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is a Primary metal selected from group VIB metals, Group VIII metals, and 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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