[특허]Process for the recovery of perfluorinated compounds

[미국특허] Process for the recovery of perfluorinated compounds 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25J-003/00
출원번호	US-0678921 (1996-07-12)
발명자 / 주소	Tamhankar Satish S. (Scotch Plains NJ) Sweeney Paul A. (Basking Ridge NJ) Saxena Neeraj (Murray Hill NJ)
출원인 / 주소	The BOC Group, Inc. (New Providence NJ 02)
인용정보	피인용 횟수 : 13 인용 특허 : 7

초록 ▼

A process for recovering a given component from a first gas stream in which the given component is intermittently present by PSA or TSA using an adsorbent which more strongly adsorbs the given component by introducing into the first gas stream, prior to PSA or TSA treatment, a second gas stream that is enriched in the given component. The second gas stream may be introduced into the first gas stream only during periods when the concentration of given component in the first gas stream is below its maximum concentration or it may be continuously introduced into the first gas stream at a level which is greater than the maximum concentration of given component originally present in the first gas stream.

대표청구항 ▼

A process for separating components of a feed gas comprised of a first component and a second component, wherein the concentration of said second component in said feed gas varies over time, by a cyclic adsorption process using an adsorbent which more strongly adsorbs said second component than said first component comprising the steps: (a) passing the feed gas through a chamber containing said adsorbent at a selected pressure and temperature, thereby adsorbing said second component and producing a gas stream depleted in said second component; (b) desorbing said second component from said adsorbent by reducing the pressure in said chamber or raising the temperature in said chamber or by reducing the pressure and raising the temperature in said chamber, thereby producing a gas stream enriched in said second component; and (c) modulating the concentration of second component in said feed gas by introducing supplemental second component into said feed gas.

이 특허에 인용된 특허 (7)

Kearns Patrick (Oxford NJ), Adsorption condensation solvent recovery system.
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Rose Robert K. (Burnt Hills NY) Woodson Carl W. (Ballston Lake NY), Application of organic gas sensors in the detection and separation of recovered volatile organic compounds (VOCs).
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Wright Danny W. (Hickory KY), Chlorocarbon and halogen recovery from vent gas stream.
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Dunne Stephen R. (Bethel CT) Staniulis Mark T. (Peekskill NY) Cohen Alan P. (New Fairfield CT), Process for recovery and purification of refrigerants with solid sorbents.
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Sakai Takeshi (Hiratsuka JPX), Refrigeration cycle apparatus having refrigerant separating system with pressure swing adsorption.
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Klobucar Joseph M. (12111 Arrowhead Ct. Plymouth MI 48170-3602), Regenerative vapor condenser.
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Buet Michael P. (2 Mountain View Rd. New Fairfield CT 06812) Petvai Steve I. (2 Bell Air La. Wappinger Falls NY 12590), System and process for removing potential pollutants from a vapor stream.
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이 특허를 인용한 특허 (13)

Zhai, Suling; Lu, Yaping, Gas prepurification process.
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Gupta, Ramesh; Deckman, Harry W.; Leta, Daniel P., Gas purification process utilizing engineered small particle adsorbents.
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Sundaram, Narasimhan, Increasing scales, capacities, and/or efficiencies in swing adsorption processes with hydrocarbon gas feeds.
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Doong, Shain-Jer; McIlroy, Christopher B., Method for smoothing time-varying concentration of a fluid stream.
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Sanui Hiroshi,JPX ; Takahashi Nobuhiko,JPX ; Yamamoto Shigeyuki,JPX, Ozone concentrating process.
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Ha Bao ; Arcuri Timothy, Perfluorocompound separation and purification method and system.
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Kamakoti, Preeti; Leta, Daniel P.; Deckman, Harry W.; Ravikovitch, Peter I.; Anderson, Thomas N., Pressure-temperature swing adsorption process.
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Ravikovitch, Peter I.; Johnson, Robert A.; Deckman, Harry W.; Anderson, Thomas N., Pressure-temperature swing adsorption process for the separation of heavy hydrocarbons from natural gas streams.
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Fraysse, Philippe, Process for removing the fluorocompounds or fluorosulphur compounds from a stream of xenon and/or krypton by permeation.
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Leta, Daniel P.; Deckman, Harry W.; Ravikovitch, Peter I.; Derites, Bruce A., Rapid temperature swing adsorption contactors for gas separation.
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Leta, Daniel P.; Kamakoti, Preeti; Johnson, Jack W.; Ravikovitch, Peter I.; Deckman, Harry, Selective sulfur removal process.
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Deckman, Harry W., Swing adsorption processes utilizing controlled adsorption fronts.
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Leta, Daniel P.; Kamakoti, Preeti; Deckman, Harry W.; Ravikovitch, Peter I.; Anderson, Thomas N., Temperature swing adsorption process for the separation of target species from a gas mixture.
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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] Process for the recovery of perfluorinated compounds 원문보기