Hydroconversion processes employing multi-metallic catalysts and method for making thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-021/00
B01J-023/00
B01J-025/00
B01J-029/00
B01J-031/00
출원번호
US-0259467
(2008-10-28)
등록번호
US-8173570
(2012-05-08)
발명자
/ 주소
Maesen, Theodorus Ludovicus Michael
Kuperman, Alexander E.
Zhang, Bi-Zeng
Rainis, Andrew
Dillon, Christopher J.
출원인 / 주소
Chevron U.S.A. Inc.
인용정보
피인용 횟수 :
7인용 특허 :
64
초록▼
A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a Promoter metal 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 Promoter metal 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, wherein the contacting is carried out ex-situ. Catalysts prepared from such catalyst precursors have a fouling rate of less than 8° F. (4.4° C.) per 1000 hour.
대표청구항▼
1. A catalyst composition prepared by sulfiding an unsupported catalyst precursor composition obtained by co-precipitating at reaction conditions to form a precipitate: at least a metal compound in solution selected from Group VIII and combinations thereof;at least two Group VIB metal compounds in s
1. A catalyst composition prepared by sulfiding an unsupported catalyst precursor composition obtained by co-precipitating at reaction conditions to form a precipitate: at least a metal compound in solution selected from Group VIII and combinations thereof;at least two Group VIB metal compounds in solution; andat least one organic oxygen containing chelating ligand in solution;wherein the Group VIII metal is nickel and the at least two Group VIB metal compounds are molybdenum and tungsten, andwherein the catalyst has a fouling rate of less than 8° F. (4.4° C.) per 1000 hour when used as a sole catalyst; and wherein the unsupported catalyst precursor composition is formed without addition of any sulfur compounds to the co-precipitating reaction to form the precipitate. 2. The catalyst composition of claim 1, wherein the catalyst has a fouling rate of less than 5° F. (2.8° C.) per 1000 hour. 3. The catalyst composition of claim 2, wherein the catalyst has a fouling rate of less than 2.5° F. (1.4° C.) per 1000 hour. 4. The catalyst composition of claim 1, wherein the catalyst is employed in a fixed bed hydroprocessing system having at least two layers of catalysts, and wherein the layered catalyst system has a fouling rate of less than 30° F. (16.7° C.) per 1000 hour, and wherein the catalyst comprises from 10 - 80 vol. % of the layered catalyst system. 5. The catalyst composition of claim 4, wherein the layered catalyst system has a fouling rate of less than 26° F. (14.4° C.) per 1000 hour, and wherein the catalyst comprises at least 25 vol. % of the layered catalyst system. 6. The catalyst composition of claim 5, wherein the layered catalyst system has a fouling rate of less than 19° F. (10.6° C.) per 1000 hour, and wherein the catalyst comprises at least 35 vol. % of the layered catalyst system. 7. The catalyst composition of claim 6, wherein the layered catalyst system has a fouling rate of less than 10° F. (5.6° C.) per 1000 hour, and wherein the catalyst comprises at least 50 vol. % of the layered catalyst system. 8. The catalyst composition of claim 1, wherein the catalyst precursor composition is charge neutral, and of the formula Av[(MP) (OH)x (L)ny](MVIBO4), whereinA is at least one of an alkali metal cation, an ammonium, an organic ammonium and a phosphonium cation,MP is nickel with an oxidation state of +2L is at least one organic oxygen-containing ligand having a charge n 700 mg/Kg. 10. The catalyst composition of claim 8, wherein the oxygen-containing chelating agent L is an organic acid addition salt. 11. The catalyst composition of claim 8, wherein the oxygen-containing chelating agent L in the catalyst precursor is selected from the group of formic acid, acetic acid, propionic acid, maleic acid, fumaric acid, succinic acid, tartaric acid, citric acid, oxalic acid, glyoxylic acid, aspartic acid, alkane sulfonic acids such as methane sulfonic acid and ethane sulfonic acid, aryl sulfonic acid, and arylcarboxylic acid. 12. The catalyst composition of claim 8, wherein the organic, oxygen-containing chelating ligand L is selected from the group of glycolic acid, lactic acid, tartaric acid, malic acid, citric acid, gluconic acid, methoxy-acetic acid, ethoxy-acetic acid, malonic acid, succinic acid, and glyoxylic. 13. The catalyst composition of claim 8, wherein the oxygen-containing chelating is an organic sulfur compound. 14. The catalyst composition of claim 1, wherein the oxygen-containing chelating agent L is selected from mercapto-succinic acid and thio-diglycolic acid. 15. The catalyst composition of claim 1, wherein the at least a group VIII to the at least two group VIB molar ratio ranges from 10:1 to 1:10. 16. The catalyst composition of claim 1, wherein the catalyst precursor is mesoporous with an average pore volume between 0.1 and 0.2 cc/g. 17. The catalyst composition of claim 1, wherein the catalyst precursor has an average surface area between about 10 and 200 m2/g as measured by BJH analysis under B.E.T. nitrogen adsorption conditions. 18. The catalyst composition of claim 1, wherein the unsupported catalyst precursor composition is formed without addition of any inorganic oxides or inorganic acids to the co-precipitating reaction to form the precipitate.
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이 특허에 인용된 특허 (64)
Jacobson Allan J. (169 Cedar La. Princeton NJ 08540) Ho Teh C. (887 Jason Ct. Bridgewater NJ 08807) Chianelli Russell R. (151 Station Rd. Somerville NJ 08876) Pecoraro Theresa (2145 Canyon Oak La. Da, Amorphous, iron promoted Mo and W sulfide hydroprocessing catalysts and process for their preparation.
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