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-023/44
출원번호
US-0331175
(2011-12-20)
등록번호
US-8697594
(2014-04-15)
발명자
/ 주소
Nguyen, Joseph V.
Brait, Axel
Mironov, Oleg
Kuperman, Alexander E.
출원인 / 주소
Chevron U.S.A. Inc.
인용정보
피인용 횟수 :
0인용 특허 :
84
초록▼
A single metal slurry catalyst for the upgrade of heavy oil feedstock is provided. The slurry catalyst is prepared by sulfiding a Primary metal precursor, then mixing the sulfided metal precursor with a hydrocarbon diluent to form the slurry catalyst. The single-metal slurry catalyst has the formula
A single metal slurry catalyst for the upgrade of heavy oil feedstock is provided. The slurry catalyst is prepared by sulfiding a Primary metal precursor, then mixing the sulfided metal precursor with a hydrocarbon diluent to form the slurry catalyst. The single-metal slurry catalyst has the formula (Mt)a(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one of a non-noble Group VIII metal, a Group VIB metal, a Group IVB metal, and a Group IIB metal; 0.5a=d=4a; 0=e=11a; 0=f=18a; 0=g=2a; 0=h=3a; t, v, w, x, y, z, each representing total charge for each of: M, S, C, H, O, and N; and ta+vd+we+xf+yg+zh=0. The slurry catalyst has a particle size ranging from 1 to 300 μm.
대표청구항▼
1. A process for preparing a slurry catalyst for use in upgrading heavy oil feedstock, comprising: providing at least a metal precursor of a Primary metal, the Primary metal is selected from a Group VIII metal, a Group IVB metal, and a Group IIB metal;sulfiding the Primary metal precursor with a sul
1. A process for preparing a slurry catalyst for use in upgrading heavy oil feedstock, comprising: providing at least a metal precursor of a Primary metal, the Primary metal is selected from a Group VIII metal, a Group IVB metal, and a Group IIB metal;sulfiding the Primary metal precursor with a sulfiding agent forming a catalyst precursor; andmixing the catalyst precursor with a hydrocarbon diluent to form a slurry catalyst having a particle size ranging from 1 to 300 μm; and a general formula of (Mt)a(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is any of a Group VIII metal, a Group IVB metal, and a Group IIB metal; 0.5a<=d<=4a; 0<=e<=11a; 0<=f<=18a; 0<=g<=2a; 0<=h<=3a; t, v, w, x, y, z, each representing total charge for each of: M, S, C, H, O, and N; and ta+vd+we+xf+yg+zh=0. 2. The process of claim 1, wherein the mixing of the catalyst precursor with the hydrocarbon diluent is in the presence of a reducing agent and under reducing conditions. 3. The process of claim 1, wherein the mixing of the catalyst precursor with the hydrocarbon diluent is under high shear mixing forming an emulsion having droplets with particle sizes ranging from 1 to 300 μm. 4. The process of claim 1, wherein the Primary metal precursor is a water soluble metal salt selected from the group of acetates, carbonates, chlorides, nitrates, sulfates, citrates, oxalates, and mixtures thereof. 5. The process of claim 1, 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. 6. The process of claim 1, 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. 7. The process of claim 1, wherein the Primary metal is nickel and the Primary metal precursor is selected from the group of nickel naphthenate, nickel acetate, nickel oxalate, nickel citrate, nickel octotate, nickel dithiocarbamate, and mixtures thereof. 8. The process of claim 1, wherein the sulfidation of the Primary metal precursor and the mixing with a hydrocarbon diluent occurs concurrently. 9. The process of claim 1, wherein the Primary metal 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. 10. The process of claim 9, wherein the mixing of the Primary metal precursor with the heavy oil feedstock is at a temperature from 752° F. to 1112° F. under a pressure from 1435 psig (10 MPa) to 3610 psig (25 MPa). 11. The process of claim 1, wherein the Primary metal precursor is in solution at a concentration of less than 10 wt. % of the Primary metal. 12. The process of claim 11, wherein the Primary metal precursor is in solution at a pH of at least 4. 13. The process of claim 1, wherein the Primary metal precursor is in solution at a concentration of 4-8 wt. % of the Primary metal. 14. A process for preparing a slurry catalyst for use in upgrading heavy oil feedstock, comprising: providing at least a water-soluble nickel salt in solution, wherein the nickel salt is selected from the group of nickel nitrate, nickel sulfate, nickel acetate, nickel chloride, and mixtures thereof;providing at least a hydrocarbon diluent is selected from gasoline, diesel, vacuum gas oil, cycle oil, jet oil, diesel, naphtha, fuel oil, heavy oil feedstock, and mixtures thereof;mixing the water-soluble nickel salt in solution with the hydrocarbon diluent under high shear mixing condition forming an emulsion comprising droplets having a size of 0.1 to 300 μm;mixing the emulsion with a heavy oil feedstock under in-situ sulfiding condition to form the slurry catalyst. 15. The process of claim 14, wherein the mixing under high shear mixing condition forms an emulsion comprising droplets having a size of less than 50 μm. 16. The process of claim 14, wherein the mixing of the emulsion with the heavy oil feedstock is at a temperature from 752° F. to 1112° F. under a pressure from 1435 psig (10 MPa) to 3610 psig (25 MPa). 17. The process of claim 14, wherein the nickel salt solution has a pH of at least 4. 18. A process for preparing a slurry catalyst for use in upgrading heavy oil feedstock, comprising: providing at least an organic nickel complex;mixing the organic nickel complex with the hydrocarbon diluent under high shear mixing condition forming an emulsion comprising droplets having a size of 0.1 to 300 μm;sulfiding the emulsion with at least a sulfiding agent to form a slurry catalyst having a particle size ranging from 1 to 300 μm; and a general formula of (Mt)a(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is any of a non-noble Group VIII metal, a Group IVB metal, and a Group IIB metal; 0.5a<=d<=4a; 0<=e<=11a; 0<=f<=18a; 0<=g<=2a; 0<=h<=3a; t, v, w, x, y, z, each representing total charge for each of: M, S, C, H, O, and N; and ta+vd+we+xf+yg+zh=0. 19. The process of claim 18, wherein the hydrocarbon diluent comprises a heavy oil feedstock and wherein the organic nickel complex 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. 20. The process of claim 19, wherein the mixing of the nickel salt with the heavy oil feedstock is at a temperature from 752° F. to 1112° F. under a pressure from 1435 psig (10 MPa) to 3610 psig (25 MPa).
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