[특허]Catalyst for the first hydrodemetalization step in a hydroprocessing system with multiple reactors for the improvement of heavy and extra heavy crudes

Catalyst for the first hydrodemetalization step in a hydroprocessing system with multiple reactors for the improvement of heavy and extra heavy crudes 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01J-021/04 B01J-023/652 B01J-023/882 C10G-045/08 B01J-023/56 B01J-023/86 B01J-023/85 B01J-023/887 B01J-035/10 C10G-047/00 C10G-065/04 C10G-065/12
출원번호	US-0733054 (2008-05-26)
등록번호	US-9133401 (2015-09-15)
우선권정보	MX-MX/a/2007/009504 (2007-08-07)
국제출원번호	PCT/MX2008/000064 (2008-05-26)
§371/§102 date	20100323 (20100323)
국제공개번호	WO2009/022890 (2009-02-19)
발명자 / 주소	Rana, Mohan Singh Ancheyta Juárez, Jorge Rayo Mayoral, Patricia Kumar Maity, Samir
출원인 / 주소	INSTITUTO MEXICANO DEL PETROLEO
대리인 / 주소	Roylance, Abrams, Berdo & Goodman, L.L.P.
인용정보	피인용 횟수 : 0 인용 특허 : 27

초록 ▼

An improved catalyst for hydrodemetallization of heavy crude oils and residua is disclosed. The catalyst is adopted for fixed bed hydroprocessing units. The invention is characterized for having a large pore diameter catalyst principally for hydrodemetallization of heavy oil and residue in a first reactor of a multi-reactor process. The catalyst has high demetallizing activity and high metal deposition capacity which results in good stability with time on stream (TOS). The hydrorefining catalyst is obtained by kneading a porous starting powder principally composed of gamma-alumina and having a pore capacity of 0.3-0.6 ml/g or larger and a mean pore diameter of 10 to 26 nm, extrudating and calcining, and after that supported with active metals component of elements belonging to groups VIIIB and VIB of the periodic table.

대표청구항 ▼

1. A catalyst for hydrodemetallization of heavy crudes comprising a gamma alumina support formed from two different boehmites having on its surface a catalytically effective amount of a Group VIB metal and a Group VIIIB metal, the catalyst having a pore volume of 0.3 to 0.36 ml/g, a surface area of 50 to 120 m2/g, and average pore diameter from 5 to 11.8 nm, which is determined by means of nitrogen adsorption, the gamma alumina support having 99% of its pores having a diameter greater than 2 nm, the gamma alumina support prepared by dry mixing two different dried boehmites in powder form to form a dry boehmite mixture, peptizing the dry boehmite mixture with nitric acid to form a peptized boehmite mixture, forming the peptized mixture into extrudates, calcining the extrudates to form a gamma alumina support. 2. The catalyst of claim 1 wherein the extrudates are calcined at a temperature in the range of 500-550° C. 3. The catalyst of claim 1, wherein the Group VIB and Group VIIIB metal is in the form of an oxide or sulfide or mixtures thereof. 4. The catalyst of claim 3, wherein said catalyst comprises about 2 to 2.5% by weight cobalt oxide and from about 8 to 12% by weight molybdenum oxide. 5. A catalyst for hydrodemetallization of heavy crudes comprising a gamma alumina support having on its surface a catalytically effective amount of a Group VIB metal and a Group VIIIB metal, said catalyst having a pore volume of 0.36 cc/g, a surface area of 120 m2/g, and average pore diameter of 11.8 nm, which is determined by means of nitrogen adsorption, said alumina support having 99% of its pores having a diameter greater than 2 nm, said alumina support prepared by dry mixing two different dried boehmites in powder form to form a boehmite mixture, peptizing said dry boehmite mixture with nitric acid, forming said peptizing mixture into extrudates, calcining said extrudates to form a gamma alumina support. 6. A gamma alumina-supported catalyst for hydrodemetallization of heavy crudes, which support comprises extruded, peptized, calcined intermixed different boehmites having on its surface a catalytically effective amount of of a Group VIB metal and a Group VIIIB metal, said catalyst having a pore volume of 0.36 mL/g, a surface area of 120 m2/g, and average pore diameter of 11.8 nm, which is determined by means of nitrogen adsorption, said alumina support having 99% of its pores having a diameter greater than 2 nm. 7. The catalyst of claim 6, wherein the Group VIB and Group VIIIB metal is in the form of an oxide or sulfide or mixtures thereof. 8. The catalyst of claim 6, wherein said catalyst comprises about 2 to 2.5% by weight cobalt oxide and from about 8 to 12% by weight molybdenum oxide.

이 특허에 인용된 특허 (27)

Jaffe Stephen B. (Cherry Hill NJ), Catalyst for hydrotreating residual petroleum oil.
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Couvillion Mark C. (Freeport TX), Catalyst for the selective hydrogenation of acetylenes.
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Kasztelan Slavik,FRX ; Benazzi Eric,FRX ; Marchal-George Nathalie,FRX, Catalyst that comprises a clay and an element of group VB, and its use in hydrocraking of petroleum feedstocks that contain hydrocarbon.
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Rayo Mayoral, Patricia; Ancheyta Juárez, Jorge; Ramírez Solis, Jorge Fernando; Maity, Samir Kumar; Rana, Mohan Singh; Alonso Martínez, Fernando, Catalyst, its preparation and use for hydrodesulfurization of residua and heavy crudes.
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Timken, Hye Kyung C., Extremely low acidity USY and homogeneous, amorphous silica-alumina hydrocracking catalyst and process.
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Threlkel Richard S. (El Cerrito CA), High activity resid catalyst.
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Parrott Stephen L. (Bartlesville OK) Kukes Simon G. (Bartlesville OK) Brandes Karlheinz K. (Bartlesville OK), Hydrofining catalyst composition and process for its preparation.
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Pereira Carmo J. (Columbia MD) Cheng Wu-Cheng (Columbia MD), Hydroprocessing catalyst and support having bidisperse pore structure.
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Pereira Joseph (Columbia MD) Cheng Wu-Cheng (Columbia MD), Hydroprocessing catalyst and support having bidisperse pore structure.
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Chen Hong C. (Novato CA), Hydroprocessing catalyst having bimodal pore distribution and process for preparing the catalyst.
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Hensley ; Jr. Albert L. (Munster IN) Quick Leonard M. (Naperville IL) Hopkins Donald (St. Charles IL), Hydrotreating process.
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Hensley ; Jr. Albert L. (Munster IN) Quick Leonard M. (Naperville IL) Hopkins P. Donald (St. Charles IL), Hydrotreating process.
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Gibson Kirk R. (El Cerrito CA), Large pore shaped hydroprocessing catalysts.
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Threlkel Richard S. (El Cerrito CA), Low macropore resid conversion catalyst.
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Chen H. Chiu (Novato CA), Method of making a catalyst suitable for hydrometalation of hydrocarbonaceous feedstocks.
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Gembicki Stanley A. (Western Springs IL) Aeschbach Stefan H. (Forch CH), Method of producing an extruded catalyst composition.
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Brady Sean A. (Greer SC) Stockley ; III Henry W. (Spartanburg SC), Patch bag having supplemental seal.
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Gabrielov Alexei Grigorievich ; Bhan Opinder Kishan, Preparation of a hydrotreating catalyst.
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Wu An-hsiang (Bartlesville OK) Melton Ralph J. (Bartlesville OK), Preparation of hydrocarbon isomerization catalyst.
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Oleck ; Stephen M. ; Sherry ; Howard S. ; Fischer ; Ronald H. ; Milstei n ; Donald, Process for demetalation and desulfurization of petroleum oils.
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Oleck Stephen M. (Moorestown NJ) Sherry Howard S. (Cherry Hill NJ) Fischer Ronald H. (Oakton VA) Milstein Donald (Cherry Hill NJ), Process for demetalation and desulfurization of petroleum oils.
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Hensley ; Jr. Albert L. (Munster IN) Quick Leonard M. (Naperville IL), Process for hydrotreating heavy hydrocarbons.
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Peck Lawrence B. (Glen Ellyn IL) Hensley Albert L. (Munster IN) Ott George L. (Naperville IL), Process for the hydrodemetallation hydrodesulfuration and hydrocracking of a hydrocarbon feedstock.
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Threlkel Richard S. (El Cerrito CA), Resid catalyst with high metals capacity.
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Angevine Philip J. (West Deptford NJ) Oleck Stephen M. (Moorestown NJ), Residua demetalation/desulfurization catalyst.
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Bogdan, Paula L.; Bricker, Maureen L., Selective bifunctional multigradient multimetallic catalyst.
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Couvillion Mark C. (Freeport TX), Selective hydrogenation of acetylenes in the presence of butadiene and catalyst used in the hydrogenation.
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