[특허]Integrated hydroprocessing scheme for production of premium quality distillates and lubricants

Integrated hydroprocessing scheme for production of premium quality distillates and lubricants 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10G-065/12 C10G-069/02
출원번호	US-0019983 (1987-02-26)
발명자 / 주소	Chen Nai Y. (Titusville NJ) LaPierre Rene B. (Medford NJ) Partridge Randall D. (Trenton NJ) Wong Stephen S. (Medford NJ)
출원인 / 주소	Mobil Oil Corporation (New York NY 02)
인용정보	피인용 횟수 : 41 인용 특허 : 0

초록 ▼

An integrated refining scheme for hydroprocessing high boiling fractions such as gas oil and catalytically cracked cycle oils to produce premium quality distillates, especially jet fuels and naphthas suitable for reforming into high octane gasoline. In addition, unconverted, high boiling fractions suitable for processing by conventional refining techniques into high quality, low pour point lube base stocks are obtained. The integrated hydroprocessing comprises a first stage hydrocracking step employing an aromatic selective hydrocracking catalyst based on a large pore size acidic component such as amorphous alumina or silica alumina or a large pore size zeolite such as zeolite X or zeolite Y. The hydrocracking may be operated either in a naphtha directing mode under conditions of moderate to high severity or under conditions of low to moderate severity to produce a relatively higher proportion of product boiling in the middle distillate range. The unconverted fraction from the hydrocracking step is passed to a second step in which it is hydroprocessed over a zeolite beta catalyst with additional hydrogenation-dehydrogenation functionality. In this stage, the paraffins remaining in the feed are attacked by the zeolite beta to form isoparaffins and conditions may be controlled to favor hydroisomerization over hydrocracking so as to increase the yield of middle distillate product, especially of high isoparaffinic jet fuels and diesel fuel.

대표청구항 ▼

An integrated hydroprocessing method for upgrading a gas oil hydrocarbon feedstock having an initial boiling point of at least 315°C. into a naphtha product, a distillate product boiling above the naphtha and a lubricant product with reduced hydrogen consumption, which method comprises (i) hydrocracking the hydrocarbon feedstock over an aromatic-selective hydrocracking catalyst having acidic functionality and hydrogenation-dehydrogenation functionality, under hydrocracking conditions at a hydrogen partial pressure of less than 10,000 kPa and at less than 50 volume percent conversion to lower boiling products, to form a naphtha product a distillate product, and a bottoms fraction enriched in paraffinic components, (ii) separating the naphtha product, the distillate product, and the bottoms fraction, (iii) hydroprocessing the separated bottoms fraction over a hydroprocessing catalyst comprising zeolite beta as an acidic component and a hydrogenation-dehydrogenation component, to produce an isoparaffinic product, and (iv) separating the isoparaffinic product from (iii) into a lubricant fraction and a fraction boiling below the lubricant boiling range.

이 특허를 인용한 특허 (41)

Harris, Everette; Gendler, Jeffrey, Apparatus and systems for upgrading heavy oil using catalytic hydrocracking and thermal coking.
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Deluga, Gregg Anthony; Derr, Daniel Lawrence, Catalyst composition for the hydro-treatment of alkanes and methods of use thereof.
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Lott,Roger K.; Lee,Lap Keung, Ebullated bed hydroprocessing methods and systems and methods of upgrading an existing ebullated bed system.
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Lott, Roger K.; Lee, Lap-Keung, Ebullated bed hydroprocessing systems.
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Lott, Roger K.; Lee, Lap Keung; Quinn, Peter C., Fixed bed hydroprocessing methods and systems and methods for upgrading an existing fixed bed system.
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Lopez, Jaime; Lichtenberger, Janine; Cannella, William J.; Munson, Curtis L., High energy distillate fuel composition and method of making the same.
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Koseoglu, Omer Refa; Al-Hajji, Adnan; Al-Somali, Ali Mahmood; Muller, Hendrik; Al-Ghamdi, Mohammed Abdullah, High quality middle distillate production process.
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Kennedy Clinton R. (West Chester PA) Shih Stuart S. (Cherry Hill NJ) Ware Robert A. (Wyndmoor PA), Hydrocracking process with partial liquid recycle.
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Wittenbrink Robert Jay ; Ryan Daniel Francis ; Silverberg Steven Earl, Hydroisomerization of a predominantly N-paraffin feed to produce high purity solvent compositions.
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Chabot, Julie; Reynolds, Bruce E.; Maris, Erin; Yang, Shuwu, Hydroprocessing catalysts and methods for making thereof.
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Reynolds, Bruce E.; Chabot, Julie; Maris, Erin; Solberg, Sean; Chen, Kaidong, Hydroprocessing catalysts and methods for making thereof.
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Lott, Roger K.; Lee, Lap Keung, Hydroprocessing method and system for upgrading heavy oil using a colloidal or molecular catalyst.
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Chen Nai Y. (Titusville NJ) LaPierre Rene B. (Medford NJ) Partridge Randall D. (Trenton NJ) Wong Stephen S. (Medford NJ), Integrated hydroprocessing scheme for production of premium quality distillates and lubricants.
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Gentry Arthur R. ; Goebel Kenneth W. ; Hilbert Timothy L. ; Hunter Michael G. ; Pappal David A. ; Partridge Randall D., Integrated hydroprocessing scheme with segregated recycle.
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Katzer James R. (Moorestown NJ) Le Quang N. (Cherry Hill NJ) Wong Stephen S. (Medford NJ), Lubricant production process employing sequential dewaxing and solvent extraction.
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Lott, Roger K.; Lee, Lap-Keung, Method for efficiently operating an ebbulated bed reactor and an efficient ebbulated bed reactor.
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Lott, Roger K.; Lee, Lap Keung, Method for upgrading ebullated bed reactor and upgraded ebullated bed reactor.
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Lott, Roger K.; Lee, Lap Keung, Methods and systems for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst.
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Harris, Everette; Gendler, Jeffrey, Methods and systems for upgrading heavy oil using catalytic hydrocracking and thermal coking.
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Lott, Roger K.; Lee, Lap-Keung, Methods for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst and recycling the colloidal or molecular catalyst.
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Lott, Roger K.; Lee, Lap-Keung, Methods for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst and recycling the colloidal or molecular catalyst.
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Chang, Yu-Hwa, Methods for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker.
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Lott, Roger K.; Chang, Yu-Hwa, Methods for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker.
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Lott, Roger K.; Chang, Yu-Hwa, Methods for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker.
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Zhou, Bing; Zhou, Zhenhua; Wu, Zhihua, Process for increasing the mono-aromatic content of polynuclear-aromatic-containing feedstocks.
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Degnan, Thomas F.; Angevine, Philip J., Process for isomerization dewaxing of hydrocarbon streams.
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Gruia Adrian J. (Lake Bluff IL), Process for refractory compound conversion in a hydrocracker recycle liquid.
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Kirker Garry W. (Washington Township ; Gloucester County NJ) Shih Stuart S. (Cherry Hill NJ), Process for upgrading hydrocarbons.
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Chou Tai-Sheng, Process scheme for processing sour feed in isomerization dewaxing.
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Helton, Terry E.; Tracy, III, William J.; Grove, Michael T.; Hoskin, Dennis H.; Angevine, Philip J.; Pappal, David A., Process to improve jet fuels.
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Ramaseshan, Vinod, Process, system, and apparatus for a hydrocracking zone.
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Dougherty Richard C. ; Mazzone Dominick N. ; Socha Richard F. ; Timken Hye Kyung Cho, Production of high viscosity lubricating oil stock with improved ZSM-5 catalyst.
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Miller, Stephen J., Reforming process at low pressure.
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Berlowitz, Paul J.; Wittenbrink, Robert J.; Cook, Bruce R., Synthetic diesel fuel and process for its production.
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Wittenbrink Robert Jay ; Bauman Richard Frank ; Berlowitz Paul Joseph ; Cook Bruce Randall, Synthetic diesel fuel and process for its production.
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Wittenbrink Robert Jay ; Bauman Richard Frank ; Berlowitz Paul Joseph ; Cook Bruce Randall, Synthetic diesel fuel and process for its production.
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Wittenbrink, Robert Jay; Bauman, Richard Frank; Berlowitz, Paul Joseph; Cook, Bruce Randall, Synthetic diesel fuel and process for its production (law3 1 1).
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Wittenbrink Robert J. ; Berlowitz Paul J ; Cook Bruce R., Synthetic jet fuel and process for its production.
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Wittenbrink, Robert J.; Berlowitz, Paul J; Cook, Bruce R., Synthetic jet fuel and process for its production (law724).
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Lott, Roger K.; Lee, Lap-Keung, Systems and methods for hydroprocessing heavy oil.
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Lott, Roger K.; Lee, Lap Keung, Systems for hydroprocessing heavy oil.
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