Hydroconversion processes employing multi-metallic catalysts and method for making thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-027/045
B01J-027/047
B01J-027/14
B01J-027/24
B01J-031/00
출원번호
UP-0259507
(2008-10-28)
등록번호
US-7803735
(2010-10-21)
발명자
/ 주소
Maesen, Theodorus Ludovicus Michael
Kuperman, Alexander E.
Fong, Darren
출원인 / 주소
Chevron U.S.A. Inc.
인용정보
피인용 횟수 :
2인용 특허 :
47
초록▼
A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a metal compound selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-con
A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a metal compound selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds. In one embodiment, the sulfidation is carried out by contacting the catalyst precursor with hydrogen and a sulfur containing compound in a “slow” process with the sulfidation taking place over a few days up to two weeks, e.g., for at least over 96 hours. In another embodiment, the sulfidation is in a “quick” process with the sulfidation taking place in less than 72 hours. The catalyst prepared from the slow sulfidation process gives a 700° F.+ conversion rate of at least 25% higher than the 700° F.+ conversion rate of a catalyst prepared from a quick sulfidation process.
대표청구항▼
What is claimed is: 1. A process for forming catalyst composition prepared from an unsupported catalyst precursor composition having a formula Av[(MP)(OH)x(L)ny]z(MVIBO4), the process comprises: co-precipitating at reaction conditions to form a precipitate or cogel-precursor: at least one of a Grou
What is claimed is: 1. A process for forming catalyst composition prepared from an unsupported catalyst precursor composition having a formula Av[(MP)(OH)x(L)ny]z(MVIBO4), the process comprises: co-precipitating at reaction conditions to form a precipitate or cogel-precursor: at least one of a Group VIB metal compound MVIB, at least a metal compound MP selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, and at least one of an organic oxygen-containing ligand; wherein the precursor has the formula Av[(MP)(OH)x(L)ny]z(MVIBO4, wherein A is at least one of an alkali metal cation, an ammonium, an organic ammonium and a phosphonium cation, MP is selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, P is oxidation state of MP with P having a value of +2 or +4 depending on the selection of MP, a L is at least one organic oxygen-containing ligand, is at least a Group VIB metal, MP:MVIB has an atomic ratio of 100:1 to 1:100, v−2+P*z−x*z+n*y*z=0; and 0<y≦−P/n; 0<x≦P; 0<v≦2; 0<z; perform a solid-liquid separation to collect the catalyst precursor; and contacting the catalyst precursor with hydrogen and a sulfur containing compound to sulfidate the catalyst precursor. 2. The process of claim 1, wherein the sulfidation of the catalyst precursor takes less than 72 hours. 3. The process of claim 2, wherein the sulfidation of the catalyst precursor takes less than 48 hours. 4. The process of claim 1, wherein the sulfidation of the catalyst precursor takes at least 96 hours. 5. The process of claim 4, wherein the catalyst prepared from the sulfidation taking at least 96 hours gives a 700° F.+ conversion rate of at least 25% higher than the 700° F.+ conversion rate of a catalyst prepared from a sulfidation taking less than 48 hours. 6. The process of claim 1, wherein the precursor is brought into contact with hydrogen and a sulfur containing compound in the gaseous phase. 7. The process of claim 6, wherein the sulfur contacting compound is H2S. 8. The process of claim 1, wherein the contacting of the catalyst precursor with hydrogen and a sulfur containing compound takes place in one step at a temperature of about 125° C. to 450° C. (257° F. to 842° F.) with the temperature being increased at a rate between 0.5 to 4° C. (0.9 to 7.2° F.) per minute. 9. The process of claim 1, wherein the contacting of the catalyst precursor with hydrogen and a sulfur containing compound takes place in at least two steps, with the first step being carried out at a temperature which is lower than a subsequent step. 10. The process of claim 9, wherein the first step is carried out at a temperature of about 125 to 350° C. (257° F. to 662° F.) and the subsequent step is carried out at a temperature of about 200 to 450° C. (392° F. to 842° F.). 11. The process of claim 1, wherein the catalyst precursor is first brought into contact with an organic liquid prior to contacting hydrogen and the sulfur containing compound. 12. The process of claim 11, wherein the organic liquid is selected from the group consisting of gasoline, white spirit, diesel, gas oil, mineral lube oil, and white oil. 13. The process of claim 11, wherein the contacting of the catalyst precursor in an organic liquid with hydrogen and a sulfur containing compound takes place in one step at a temperature of about 125° C. to 450° C. (257° F. to 842° F.) with the temperature being increased at a rate between 0.5 to 4° C. (0.9 to 7.2° F.) per minute. 14. The process of claim 11, wherein the contacting of the catalyst precursor in an organic liquid with hydrogen and a sulfur containing compound takes place in at least two steps, with the first step being carried out at a temperature which is lower than a subsequent step. 15. The process of claim 14, wherein the first step is carried out at a temperature of about 100 to 250° C. (212° F. to 482° F.), and the subsequent step is carried out at a temperature of about 225 to 450° C. (437° F. to 752° F.), with the temperature being increased at a rate between 0.5 to 4° C. (0.9 to 7.2° F.) per minute. 16. The process of claim 11, wherein the first step is carried out at a temperature of about 100 to 375° C. (212° F. to 707° F.) with the temperature being increased at a rate between from 0.5 to 4° C. (0.9 to 7.2° F.) per hour, and the subsequent step is carried out at a temperature of about 200 to 450° C. (392° F. to 842° F.). 17. The process of claim 16, wherein the temperature is held constant for 2 to 24 hours after the first step, then increased at a rate from 5 to 20° C. (9 to 36° F.) per hour to arrive at the temperature of the subsequent step. 18. A process for forming catalyst composition prepared from an unsupported catalyst precursor composition having a formula Av[(MP)(OH)x(L)ny]z(MVIBO4), the process comprises: co-precipitating at reaction conditions to form a precipitate or cogel precursor: at least one of a Group VIB metal compound, at least a metal compound selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof and at least one of an organic oxygen-containing ligand; wherein the precursor has the formula Av[(MP)(OH)x(L)ny]z(MVIBO4), wherein A is at least one of an alkali metal cation, an ammonium, an organic ammonium and a phosphonium cation, MP is selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, P is oxidation state of MP with P having a value of +2 or +4 depending on the selection of MP, L is at least one organic oxygen-containing ligand, MVIB is at least a Group VIB metal, MP:MVIB has an atomic ratio of 100:1 to 1:100, v−2+P*z−x*z+n*y*z=0; and 0<y≦−P/n; 0<x≦P; 0<v≦2; 0<z; perform a solid-liquid separation to collect the catalyst precursor; and contacting the catalyst precursor with elemental sulfur and an organic liquid to sulfidate the unsupported catalyst precursor. 19. The process of claim 18, wherein the elemental sulfur is mixed with the catalyst precursor in an amount from 2 to 15 wt. % of the catalyst precursor weight. 20. The process of claim 18, wherein the organic liquid is selected from the group consisting of gasoline, white spirit, diesel, gas oil, mineral lube oil, and white oil. 21. A catalyst composition produced by the process of claim 1. 22. A catalyst composition produced by the process of claim 18. 23. The process of claim 1, wherein the solid-liquid separation is by filtering.
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이 특허에 인용된 특허 (47)
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