Hydroprocessing bulk catalyst and uses thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-021/00
B01J-027/24
B01J-027/04
출원번호
UP-0260668
(2008-10-29)
등록번호
US-7678730
(2010-04-21)
발명자
/ 주소
Mironov, Oleg
Kuperman, Alexander E.
출원인 / 주소
Chevron USA Inc.
인용정보
피인용 횟수 :
6인용 특허 :
8
초록▼
A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one group VIB metal; L is optional and if present, L is at least one Group VIII n
A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one group VIB metal; L is optional and if present, L is at least one Group VIII non-noble metal; t, u, v, w, x, y, z representing the total charge for each of the components (M, L, S, C, H, O and N, respectively); ta+ub+vd+we+xf+yg+zh=0; 0=<b; and 0=<b/a=<5, (a+0.5b)<=d<=(5a+2b), 0<=e<=11(a+b), 0<=f<=7(a+b), 0<=g<=5(a+b), 0<=h<=0.5(a+b). The catalyst has an X-ray powder diffraction pattern with at least one broad diffraction peak at any of Bragg angles: 8 to 18°, 32 to 40°, and 55 to 65° (from 0 to 70° 2-θ scale). In one embodiment, the catalyst is prepared by sulfiding at least one Group VIB metal compound and optionally at least one group VIII metal compound with a sulfiding agent forming a catalyst precursor; and mixing the catalyst precursor with a hydrocarbon compound to form the hydroprocessing catalyst composition, and wherein at least a surfactant is employed in making the preparation.
대표청구항▼
The invention claimed is: 1. A catalyst composition having a formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one group VIB metal; L is at least a promoter metal selected from a non-noble Group VIII metal, a Group VIIIB metal, a Group VIB metal, a Group IVB metal, and a Group IIB
The invention claimed is: 1. A catalyst composition having a formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one group VIB metal; L is at least a promoter metal selected from a non-noble Group VIII metal, a Group VIIIB metal, a Group VIB metal, a Group IVB metal, and a Group IIB metal; t, u, v, w, x, y, z, each representing total charge for each of: M, L, S, C, H, O and N, respectively; ta+ub+vd+we+xf+yg+zh=0; b>=0; 0=<b/a=<5, (a+0.5b)<=d<=(5a+2b), 0<=e<=11(a+b), 0<=f<=7(a+b), 0<=g<=5(a+b), 0<=h<=0.5(a+b), wherein the catalyst has an X-ray powder diffraction pattern with at least one broad diffraction peak at any of Bragg angles: 8 to 18°, 32 to 40°, and 55 to 65° (from 0 to 70° 2θ scale) and wherein the catalyst is prepared by a process in which at least a surfactant is employed. 2. The catalyst composition of claim 1, wherein the surfactant is selected from N-containing organic additives, P-containing organic additives, and mixtures thereof. 3. The catalyst composition of claim 1, wherein the surfactant is selected from the group of aromatic amines, cyclic aliphatic amines, polycyclic aliphatic amines, and mixtures thereof. 4. The catalyst composition of claim 1, wherein the surfactant is selected from the group of hexamethylenediamine, monoethanolamine, diethanolamine, triethanolamine, N,N-dimethyl-N′-ethylethylenediamine; amino alcohols, amino alkoxy-silanes, and mixtures thereof. 5. The catalyst composition of claim 1, wherein the surfactant is an organic carboxylic acid surfactant. 6. The catalyst composition of claim 1, wherein the surfactant is water-soluble cationic amine selected from the group of cetyl trimethyl ammonium bromide, cetyl trimethyl ammonium chloride, dodecyl trimethyl ammonium amine, nonyl trimethyl ammonium chloride and dodecyl phenol quaternary amine soaps. 7. The catalyst composition of claim 1, wherein the catalyst composition is substantially free of promoter metal L. 8. The catalyst composition of claim 1, wherein the catalyst is prepared by: i) sulfiding M with a sulfiding agent to form a sulfided Group VI metal compound; ii) sulfiding L with a sulfiding agent to form a sulfided promoter metal compound; iii) combining and reacting the sulfided Group VI metal compound with the sulfided promoter metal compound to from a catalyst precursor; iv) mixing the catalyst precursor with a hydrocarbon compound to form the hydroprocessing catalyst composition; wherein the at least a surfactant is added to any of the steps i), ii), and iii). 9. The catalyst composition of claim 1, wherein at least a sulfur additive is also employed in the preparation of the catalyst. 10. The catalyst composition of claim 9, wherein the at least a sulfur additive is selected from the group of elemental sulfur, thiodiazoles, thio acids, thio amides, thiocyanates, thio esters, thiophenols, thiosemicarbazides, thioureas, mercapto alcohols, dialkyl sulfides, dihydroxyalkyl sulfides, diaryl sulfides, diaralkyl sulfides, dimethyl sulfoxides, diethanol disulfide, tert-nonylpolysulfides, dimethyl sulphide, dimethyl disulphide, 2,2-dithiobis ethanol, and mixtures thereof. 11. The catalyst composition of claim 1, wherein the catalyst is prepared by: i) combining and reacting M with L to obtain an intermediate mixture; ii) sulfiding the intermediate mixture with a sulfiding agent in solution forming a catalyst precursor; and iii) mixing the catalyst precursor with a hydrocarbon compound to form the hydroprocessing catalyst composition, wherein the at least a surfactant is added to any of the steps i), ii), and iii). 12. The catalyst composition of claim 1, wherein the catalyst is prepared by: i) sulfiding M with a sulfiding agent to form a sulfided Group VI metal compound; ii) combining and reacting the sulfided Group VI metal compound with L to from a catalyst precursor; iii) mixing the catalyst precursor with a hydrocarbon compound to form the hydroprocessing catalyst composition; wherein the at least a surfactant is added to any of the steps i), ii), and iii). 13. The catalyst composition of claim 8, wherein b=0. 14. The catalyst composition of claim 1, wherein the surfactant is added to the at least one group VIB metal M and the promoter metal L in forming an intermediate mixture. 15. The hydroprocessing catalyst composition of claim 14, wherein the surfactant is mixed with the intermediate mixture and a sulfiding agent in forming a catalyst precursor. 16. The catalyst composition of claim 15, wherein the surfactant is mixed with the catalyst precursor and the hydrocarbon compound in forming the hydroprocessing catalyst composition having formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h. 17. The catalyst composition of claim 1, wherein the at least one diffraction peak is greater than 2 degrees wide at ½ height. 18. The catalyst composition of claim 1, wherein the at least one diffraction peak is at Bragg angle of 8 to 18° (from 0 to 70° 2θ scale). 19. The catalyst composition of claim 18, wherein the diffraction peak at Bragg angle 8 to 18° (from 0 to 70° 2θ scale) is greater than 2 degrees wide at ½ height. 20. The catalyst composition of claim 19, wherein the diffraction peak at Bragg angle 8 to 18° (from 0 to 70° 2θ scale) is greater than 5 degrees wide at ½ height. 21. The catalyst composition of claim 1, having a first broad diffraction peak at Bragg angle of 8 to 18° (from 0 to 70° 2θ scale) and a second first broad diffraction peak at Bragg angle of 32 to 40° (from 0 to 70° 2θ scale). 22. The catalyst composition of claim 1, wherein the catalyst has a median particle size of 0.0005 to 1000 microns. 23. The catalyst composition of claim 1, wherein the catalyst has an average particle size of 0.3 to 20 μm. 24. The catalyst composition of claim 1, wherein the catalyst has a pore volume of 0.05-5 ml/g as determined by nitrogen adsorption. 25. The catalyst composition of claim 1, wherein the catalyst has a pore volume of 0.1-4 ml/g as determined by nitrogen adsorption. 26. The catalyst composition of claim 1, wherein the catalyst has a surface area of at least 5 m2/g. 27. The catalyst composition of claim 1, wherein M is selected from molybdenum, tungsten, and mixtures thereof and L is selected from nickel, cobalt, and mixture thereof. 28. The catalyst composition of claim 1, wherein L is selected from nickel, cobalt and combinations thereof, and the catalyst is of the formula (M)a(NizCo1-z)b(S)d(C)e(H)f(O)g(N)h, and wherein 0<z<1. 29. The catalyst composition of claim 1, wherein M is selected from molybdenum, tungsten, and combinations thereof, the catalyst is of the formula (MozW1-z)a(L)b(S)d(C)e(H)f(O)g(N)h, and wherein 0<z<1. 30. The catalyst composition of claim 1, wherein L is selected from Ni, Co, Fe, Zn, Cr, Ti, and combinations thereof, the catalyst is of the formula (M)a(NizCozFez″Znz*Crz*′Tiz*″)b(S)d(C)e(H)f(O)g(N)h, and wherein 0≦z, z′, z″, z*, z*′, z*″ and (z+z′+z″+z*+z*′+z*″)=1. 31. The catalyst composition of claim 1, wherein the catalyst further comprises a refractory oxide material which comprises 50 wt. % or more titania, on oxide basis.
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