[특허]Hydrocarbon upgrading process

[미국특허] Hydrocarbon upgrading process 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G10G-069/08
출원번호	US-0862238 (1997-05-23)
발명자 / 주소	Collins Nick A. Durand Paul P. Hilbert Timothy L. Teitman Gerald J. Trewella Jeffrey C.
출원인 / 주소	Mobil Oil Corporation
대리인 / 주소	Prater
인용정보	피인용 횟수 : 23 인용 특허 : 11

초록 ▼

Low sulfur gasoline is produced from an olefinic, cracked, sulfur-containing naphtha by treatment over an acidic catalyst, preferably an intermediate pore size zeolite such as ZSM-5 to crack low octane paraffins and olefins under relatively mild conditions, with limited aromatization of olefins and naphthenes. This is followed by hydrodesulfurization over a hydrotreating catalyst such as CoMo on alumina. The initial treatment over the acidic catalyst removes the olefins which would otherwise be saturated in the hydrodesulfurization, consuming hydrogen and lowering product octane, and converts them to compounds which make a positive contribution to octane. Overall liquid yield is high, typically at least 90 percent of higher. Product aromatics are typically increased by no more than 25 weight percent relative to the feed and may be lower than the feed.

대표청구항 ▼

[ We claim:] [1.] A process of upgrading a sulfur-containing, olefinic feed fraction boiling in the gasoline boiling range which comprises paraffins including n-paraffins, olefins and aromatics, the process comprising:contacting the sulfur-containing feed fraction in a first step under mild cracking conditions comprising temperature between 400.degree. F. and 800.degree. F. with a solid acidic catalyst consisting essentially of ZSM-5 zeolite having an acid activity comprising an alpha value between 20 and 800 to convert olefins present in the feed to aromatics and aromatic side-chains and to crack low octane paraffins and olefins in the feed and form an intermediate product,contacting the intermediate product with a hydrodesulfurization catalyst under a combination of elevated temperature, elevated pressure and an atmosphere comprising hydrogen, to convert sulfur-containing compounds in the intermediate product to inorganic sulfur compounds and produce at least a 90 weight percent yield, based on said feed fraction, of a desulfurized product comprising a normally liquid fraction in the gasoline boiling range containing less than 50 weight percent C.sub.6 -C.sub.10 aromatics.

이 특허에 인용된 특허 (11) 인용/피인용 타임라인 분석

Harandi Mohsen N. (Langhorne PA) Morrison Roger A. (Lambertville NJ), Heavy naphtha upgrading.
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Fletcher David L. (Turnersville NJ) Sarli Michael S. (Haddonfield NJ) Shih Stuart S. (Cherry Hill NJ), Hydrocarbon upgrading process.
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Fletcher David L. (Turnesville NJ) Sarli Michael S. (Haddonfield NJ) Shih Stuart S. (Cherry Hill NJ), Hydrocarbon upgrading process.
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Orkin Bernard A. (Cherry Hill NJ), Method for reducing the sulfur level of gasoline product.
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Chin Arthur A. (Cherry Hill NJ) Collins Nick A. (Medford NJ) Harandi Mohsen N. (Longhorne PA) Thomson Robert T. (Laurenceville NJ) Ware Robert A. (Wyndmoor PA), Naphtha upgrading.
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Harandi Mohsen N. (Longhorne PA) Owen Hartley (Worton MD) Schipper Paul H. (Doylestown PA), Process for producing gasoline having lower benzene content and distillation end point.
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Dessau Ralph M. (Edison NJ) Harandi Mohsen N. (Lawrenceville NJ), Process for the selective conversion of naphtha to aromatics and olefins.
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Maxwell Ian E. (Amsterdam NLX) Muller Frederik (Amsterdam NLX) Khouw Frank H. H. (The Hague NLX) Khor Kim H. (The Hague NLX) Lucien Jacques (The Hague NLX), Process for upgrading a sulphur-containing feedstock.
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Harandi Mohsen N. (Lawrenceville NJ) Owen Hartley (Belle Mead NJ), Production of aromatics-rich gasoline with low benzene content.
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Arey ; Jr. William Floyd (Baton Rouge LA) Hamner Glen Porter (Baton Rouge LA), Reforming process utilizing a dual catalyst system.
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Harandi Mohsen N. (Lawrenceville NJ) Owen Hartley (Belle Mead NJ) Ragonese Francis P. (Cherry Hill NJ) Yurchak Sergei (Media PA), Upgrading of cracking gasoline.
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이 특허를 인용한 특허 (23) 인용/피인용 타임라인 분석

Zanibelli, Laura; Ferrari, Marco; Arrigoni, Virginio, Catalytic composition for the upgrading of hydrocarbon mixtures.
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Zanibelli, Laura; Ferrari, Marco; Arrigoni, Virginio, Catalytic composition for the upgrading of hydrocarbon mixtures.
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Zanibelli,Laura; Ferrari,Marco; Arrigoni,Virginio, Catalytic composition for the upgrading of hydrocarbon mixtures.
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Brown, Stephen H.; Helton, Terry E.; Werner, Arthur P., Decreasing Br-reactive contaminants in aromatic streams.
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Stephen H. Brown ; Terry E. Helton ; Arthur P. Werner, Decreasing bi-reactive contaminants.
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Soled, Stuart Leon; Riley, Kenneth Lloyd; Schleicher, Gary P.; Demmin, Richard A.; Schuette, legal representative, Darlene; Cody, Ian Alfred; Schuette, William L., Hydrocracking process using bulk group VIII/Group VIB catalysts.
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Demmin,Richard Alan; Riley,Kenneth Lloyd; Soled,Stuart Leon; Miseo,Sabato, Hydrofining process using bulk group VIII/Group VIB catalysts.
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Soled,Stuart Leon; Miseo,Sabato; Krycak,Roman; Vroman,Hilda B.; Ho,Teh Chung; Riley,Kenneth Lloyd, Hydroprocessing using bulk Group VIII/Group VIB catalysts.
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Ladwig Paul K. ; Stuntz Gordon F. ; Brignac Garland B. ; Halbert Thomas R., Naphtha cracking and hydroprocessing process for low emissions, high octane fuels.
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Stephen H. Brown ; Tarun K. Chaudhuri ; Jose G. Santiesteban, Process for BTX purification.
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Swan ; III George A. ; Bedell Michael W. ; Ladwig Paul K. ; Asplin John E. ; Stuntz Gordon F. ; Wachter William A. ; Henry B. Erik, Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process.
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Paul K. Ladwig ; John E. Asplin ; Gordon F. Stuntz ; Tan-Jen Chen, Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process.
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Paul K. Ladwig ; John E. Asplin ; Gordon F. Stuntz ; William A. Wachter ; B. Erik Henry, Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process.
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Fung Shun C. ; Chen Tan-Jen ; Janssen Marcel J.,BEX ; Wachter William A. ; Henry B. Erik ; Asplin John E., Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process from a naphtha/steam feed.
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Ladwig Paul K. ; Asplin John E. ; Stuntz Gordon F. ; Wachter William A. ; Henry Brian Erik ; Fung Shun C. ; Chen Tan-Jen ; Carpency Jay F. ; Searle Ronald G., Process for selectively producing C3 olefins in a fluid catalytic cracking process.
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Steffens, Todd R.; Ladwig, Paul K., Process for selectively producing high octane naphtha.
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Todd R. Steffens ; Paul K. Ladwig, Process for selectively producing light olefins.
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Ladwig, Paul K.; Asplin, John E.; Stuntz, Gordon F.; Wachter, William A.; Henry, Brian Erik; Fung, Shun C., Process for selectively producing propylene in a fluid catalytic cracking process.
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Brown, Stephen H.; Lourvanij, Khavinet, Process for steam stripping hydrocarbons from a bromine index reduction catalyst.
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Riley,Kenneth L.; Soled,Stuart L.; Miseo,Sabato; Plantenga,Frans L.; Cerfontain,Marinus Bruce; Eijsbouts,Sonja; Brevoord,Eelko, Process for upgrading naphtha.
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Alexander Bruce D. ; Huff George A. ; Pradhan Vivek R. ; Reagan William J. ; Cayton Roger H., Sulfur removal process.
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Pradhan, Vivek R.; Burnett, Ptoshia A.; Huff, George A., Sulfur removal process.
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Pradhan, Vivek R.; Burnett, Ptoshia A.; Huff, George A., Sulfur removal process.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Hydrocarbon upgrading process 원문보기