[특허]Performance stability in rapid cycle pressure swing adsorption systems

[미국특허] Performance stability in rapid cycle pressure swing adsorption systems 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/02
출원번호	US-0542895 (2006-10-04)
등록번호	US8016918 (2011-08-30)
발명자 / 주소	LaBuda, Matthew James Golden, Timothy Christopher Whitley, Roger Dean Steigerwalt, Craig E.
출원인 / 주소	Air Products and Chemicals, Inc.
대리인 / 주소	Willard, Jones, II
인용정보	피인용 횟수 : 29 인용 특허 : 13

초록 ▼

Pressure swing adsorption process for producing oxygen comprising (a) providing at least one adsorber vessel having a first layer of adsorbent adjacent the feed end of the vessel and a second layer of adsorbent adjacent the first layer, wherein the surface area to volume ratio of the first layer is in the range of about 0.75 to about 1.8 cm−1; (b) introducing a pressurized feed gas comprising at least oxygen, nitrogen, and water into the feed end, adsorbing at least a portion of the water in the adsorbent in the first layer, and adsorbing at least a portion of the nitrogen in the adsorbent in the second layer, wherein the superficial contact time of the pressurized feed gas in the first layer is between about 0.08 and about 0.50 sec; and (c) withdrawing a product gas enriched in oxygen from the product end of the adsorber vessel.

대표청구항 ▼

The invention claimed is: 1. A pressure swing adsorption process for the production of oxygen comprising(a) providing at least one adsorber vessel having a feed end and a product end, wherein the vessel comprises a first layer of adsorbent material adjacent the feed end and a second layer of adsorbent material disposed between the first layer and the product end, wherein the adsorbent in the first layer is selective for the adsorption of water from a mixture comprising water, oxygen, and nitrogen, the adsorbent in the second layer is selective for the adsorption of nitrogen from a mixture comprising oxygen and nitrogen, and the surface area to volume ratio of the first layer of adsorbent material is in the range of about 0.75 to about 1.8 cm−1;(b) introducing a pressurized feed gas comprising at least oxygen, nitrogen, and water into the feed end of the adsorber vessel, passing the gas successively through the first and second layers, adsorbing at least a portion of the water in the adsorbent material in the first layer, and adsorbing at least a portion of the nitrogen in the adsorbent material in the second layer, wherein the superficial contact time of the pressurized feed gas in the first layer is between about 0.08 and about 0.50 sec; and(c) withdrawing a product gas enriched in oxygen from the product end of the adsorber vessel.

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

Ackley, Mark William; Smolarek, James, Enhanced rate PSA process.
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Sircar Shivaji (Wescosville PA), Gas separation by rapid pressure swing adsorption.
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White ; Jr. Donald H. (923 Alfred La. Homer NY 13077), Heaterless adsorption system for combined purification and fractionation of air.
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Ackley, Mark William; Zhong, Guoming, Medical oxygen concentrator.
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Earls David E. (Suffern NY) Long Gary N. (Putnam Valley NY), Multiple bed rapid pressure swing adsorption for oxygen.
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Miller Geoffrey Q. (Chestnut Ridge NY), Multiple zone adsorption process.
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Gauthier William D. (Sylvania OH) Hendricks Merl J. (Pemberville OH) Babcock Robert L. (Toledo OH), Oxygen enrichment system for medical use.
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Mohamed Safdar Allie Baksh ; Atanas Serbezov ; Frank Notaro ; Frederick Wells Leavitt, Pressure swing adsorption method for production of an oxygen-enriched gas.
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Kratz Wilbur C. (Macungie PA) Sircar Shivaji (Wescosville PA), Pressure swing adsorption process for a medical oxygen generator for home use.
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Jochem, Gérard, Process for drying a gaseous or liquid mixture with the aid of an adsorber composed of alumina and of a molecular sieve.
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Hirooka Eiji (Osaka JPX) Wheatland Jeremy P. (Guildford NJ GB2) Doong Shain-Jer (Berkeley Heights NJ), Process for producing oxygen enriched product stream.
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Dangieri Thomas J. (Carmel NY) Cassidy Robert T. (Waldwick NJ), RPSA Process.
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Dee, Douglas Paul; Chiang, Robert Ling; Gondecki, Gregory John; Whitley, Roger Dean; Ostroski, Jane Elizabeth, Use of lithium-containing fau in air separation processes including water and/or carbon dioxide removal.
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이 특허를 인용한 특허 (29) 인용/피인용 타임라인 분석

DeVries, Douglas F.; Gaw, Shan E., Active exhalation valve.
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Owens, Tracie L.; Leta, Daniel P., Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using same.
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Fowler, Tracy A.; Huntington, Richard A.; Fulton, John W., Apparatus and system for swing adsorption processes related thereto.
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Fowler, Tracy A.; Ramkumar, Shwetha; Frederick, Jeffrey W.; Nagavarapu, Ananda K.; Chialvo, Sebastian; Tammera, Robert F.; Fulton, John W., Apparatus and system for swing adsorption processes related thereto.
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Johnson, Robert A.; Deckman, Harry W.; Kelley, Bruce T.; Oelfke, Russell H.; Ramkumar, Shwetha, Apparatus and system for swing adsorption processes related thereto.
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McMahon, Patrick D. J.; Johnson, Robert A.; Ramkumar, Shwetha; Oelfke, Russell H.; Thomas, Eugene R.; Nagavarapu, Ananda K.; Barnes, William, Apparatus and system for swing adsorption processes related thereto.
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Nagavarapu, Ananda K.; Marshall, Bennett D., Apparatus and system for swing adsorption processes related thereto.
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Nagavarapu, Ananda K.; Smith, Ransdall K.; Oelfke, Russell H., Apparatus and system for swing adsorption processes related thereto.
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Tammera, Robert F., Apparatus and system for swing adsorption processes related thereto.
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Tammera, Robert F.; Frederick, Jeffrey W., Apparatus and system for swing adsorption processes related thereto.
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Ramkumar, Shwetha; Johnson, Robert A.; Mon, Eduardo; Fulton, John W., Apparatus and system having a valve assembly and swing adsorption processes related thereto.
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Tammera, Robert F.; Anderson, Thomas N., Apparatus and systems having a rotary valve assembly and swing adsorption processes related thereto.
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Tammera, Robert F.; Basile, Richard J.; Frederick, Jeffrey W., Apparatus and systems having an encased adsorbent contactor and swing adsorption processes related thereto.
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Tammera, Robert F.; Basile, Richard J.; Frederick, Jeffrey W., Apparatus and systems having an encased adsorbent contactor and swing adsorption processes related thereto.
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Wilkinson, William R.; Nebrigic, Dragan, Dual oxygen concentrator systems and methods.
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Wilkinson, William R.; Nebrigic, Dragan, Method and systems for the delivery of oxygen enriched gas.
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Wilkinson, William R.; Westersten, Allan Sten; Shockley, Jr., H. David, Oxygen concentrator apparatus and method having an ultrasonic detector.
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Wilkinson, William R.; Westersten, Allan Sten; Shockley, Jr., H. David, Oxygen concentrator apparatus and method having flow restricted coupling of the canisters.
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Wilkinson, William R.; Westersten, Allan Sten; Shockley, Jr., J. David, Oxygen concentrator apparatus and method having flow restricted coupling of the canisters.
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Wilkinson, William R.; Westersten, Allan Sten; Shockley, Jr., H. David, Oxygen concentrator apparatus and method having variable operation modes.
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Wilkinson, William R.; Westersten, Allan Sten; Shockley, Jr., H. David, Oxygen concentrator apparatus and method with an oxygen assisted venting system.
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Wilkinson, William R., Oxygen concentrator heat management system and method.
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Wilkinson, William R.; Nebrigic, Dragan, Oxygen concentrator pump systems and methods.
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Wilkinson, William R.; Nebrigic, Dragan, Oxygen concentrator systems and methods.
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Wilkinson, William R.; Westersten, Allan Sten; Hassan, Alaa, Power management systems and methods for use in an oxygen concentrator.
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DeVries, Douglas F.; Marquardt, Brian, Pressure swing adsorption oxygen generator.
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Brody, John F.; Leta, Daniel P.; Fowler, Tracy Alan; Freeman, Stephanie A.; Cutler, Joshua I., Structured adsorbent beds, methods of producing the same and uses thereof.
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DeVries, Douglas F.; Good, David M., Ventilator with integrated cough-assist.
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DeVries, Douglas F.; Good, David M.; Gaw, Shan E.; Cipollone, Joseph; Branson, Richard, Ventilator with integrated oxygen production.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Performance stability in rapid cycle pressure swing adsorption systems 원문보기