[미국특허]
Hydroprocessing catalysts and methods for making thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-023/00
B01J-023/40
B01J-023/42
B01J-023/44
B01J-023/70
B01J-023/74
B01J-027/02
B01J-027/043
B01J-027/045
B01J-027/24
B01J-031/00
B01J-023/883
B01J-027/051
B01J-023/85
B01J-037/20
B01J-023/887
C10G-049/04
B01J-023/24
B01J-035/00
B01J-035/10
출원번호
US-0331274
(2011-12-20)
등록번호
US-8846560
(2014-09-30)
발명자
/ 주소
Yang, Shuwu
Reynolds, Bruce Edward
Chabot, Julie
Kou, Bo
출원인 / 주소
Chevron U.S.A. Inc.
인용정보
피인용 횟수 :
7인용 특허 :
80
초록▼
A process for preparing a slurry catalyst is provided. The slurry catalyst is prepared from at least a Group VIB metal precursor and optionally at least a Promoter metal precursor selected from Group VIII, Group IIB, Group IIA, Group IVA metals and combinations thereof. The slurry catalyst comprises
A process for preparing a slurry catalyst is provided. The slurry catalyst is prepared from at least a Group VIB metal precursor and optionally at least a Promoter metal precursor selected from Group VIII, Group IIB, Group IIA, Group IVA metals and combinations thereof. The slurry catalyst comprises a plurality of dispersed particles in a hydrocarbon medium having an average particle size ranging from 1 to 300 μm. The slurry catalyst is then mixed with a hydrogen feed at a pressure from 1435 psig (10 MPa) to 3610 psig (25 MPa) and a temperature from 200-800° F. at 500 to 15,000 scf hydrogen per bbl of slurry catalyst for a minute to 20 hours, for the slurry catalyst to be saturated with hydrogen providing an increase of k-values in terms of HDS, HDN, and HDMCR of at least 15% compared to a slurry catalyst that is not saturated with hydrogen.
대표청구항▼
1. A process for preparing a slurry catalyst with improved catalytic activities in the upgrade of heavy oil feedstock, comprising: providing a slurry catalyst prepared from a solution comprising at least a water-soluble metal precursor salt of a Primary metal selected from Group VIB metals and Group
1. A process for preparing a slurry catalyst with improved catalytic activities in the upgrade of heavy oil feedstock, comprising: providing a slurry catalyst prepared from a solution comprising at least a water-soluble metal precursor salt of a Primary metal selected from Group VIB metals and Group VIII metals and optionally at least a water-soluble metal precursor salt of a Promoter metal selected from Group VIII metals, Group IIB metals, Group IIA metals, Group IVA metals and combinations thereof, and sulfided by a sulfiding agent under sulfiding conditions at a molar ratio of sulfur to metal of at least 1.5:1, wherein the slurry catalyst comprises a plurality of dispersed particles in a hydrocarbon medium having a particle size ranging from 1 to 300 μm;providing a hydrogen feed; andpretreating the slurry catalyst by mixing with the hydrogen feed at a pressure from 1435 psig (10 MPa) to 3610 psig (25 MPa) and a temperature from 200° F. to 800° F. at a rate of from 500 to 15,000 scf hydrogen per bbl of slurry catalyst for a minute to 20 hours, wherein the slurry catalyst treated with hydrogen provides an increase of rate constant k-values in terms of HDS, HDN, and HDMCR of at least 10% compared to a slurry catalyst that is not treated with hydrogen. 2. The process of claim 1, wherein the slurry catalyst treated with hydrogen provides an increase of rate constant k-values in terms of HDS, HDN, and HDMCR of at least 15% compared to a slurry catalyst that is not treated with hydrogen. 3. The process of claim 1, wherein the hydrogen feed is mixed with the slurry catalyst in a transfer line prior to being fed to a hydrocracker for the upgrade of heavy oil feedstock. 4. The process of claim 1, wherein the hydrogen feed is mixed with the slurry catalyst in a pre-mixing vessel prior to being fed to a hydrocracker for the upgrade of heavy oil feedstock. 5. The process of claim 1, wherein the hydrogen feed is mixed with the slurry catalyst at a temperature of 350° F. to 750° F. 6. The process of claim 1, wherein the hydrogen feed is mixed with the slurry catalyst for at least an hour. 7. The process of claim 1, wherein the hydrogen feed is mixed with the slurry catalyst for 2 to 5 hours. 8. The process of claim 1, wherein the hydrogen feed is mixed with the slurry catalyst for a sufficient amount of time for the slurry catalyst to have an increase in surface area of at least 10% compare to a slurry catalyst that is not mixed with the hydrogen feed. 9. The process of claim 1, wherein the hydrogen feed is mixed with the slurry catalyst for a sufficient amount of time for the slurry catalyst to have an increase in total pore volume of at least 10% compare to a slurry catalyst that is not mixed with the hydrogen feed. 10. The process of claim 1, wherein the slurry catalyst composition prepared therefrom has a total pore volume of at least 0.4 cc/g and a polymodal pore distribution with at least 70% of pore sizes in the range of 5 to 2,000 Angstroms in diameter. 11. The process of claim 1, wherein the slurry catalyst composition prepared therefrom has a total surface area of at least 100 m2/g. 12. The process of claim 1, wherein the slurry catalyst treated with hydrogen further provides an increase in surface area and total pore volume of at least 10% compared to a slurry catalyst that is not treated with hydrogen. 13. The process of claim 12, wherein the slurry catalyst treated with hydrogen further provides an increase in surface area and total pore volume of at least 15% compared to a slurry catalyst that is not treated with hydrogen. 14. The process of claim 1, wherein the slurry catalyst has the 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, 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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