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특허 상세정보

Process and unit for producing oxygen by adsorption with a short cycle

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/053   
미국특허분류(USC) 950/98 ; 905/100 ; 905/103 ; 905/130 ; 906/130 ; 906/144
출원번호 US-0287625 (1999-04-07)
우선권정보 FR0004305 (1998-04-07)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Young & Thompson
인용정보 피인용 횟수 : 40  인용 특허 : 17
초록

The cycle employed is of the transatmospheric type with the use of a production buffer tank (C1), and with a purge/elution phase close to the low pressure in which gas output by another adsorber in the first cocurrent decompression phase is introduced in countercurrent into the adsorber (A, B) and, simultaneously, the countercurrent pumping is continued. During the production step, the oxygen produced is also sent into an auxiliary tank (C2), and the gas contained in this auxiliary tank is, with regard to the adsorber, used solely during a fraction of th...

대표
청구항

[ What is claimed is:] [1.] A process for producing oxygen from air by transatmospheric pressure swing adsorption, using a unit having at least two adsorbers, a cycle of duration T being implemented in each adsorber, the process comprising successively and cyclically:a phase of pressurization to a high pressure of the cycle using production oxygen introduced in countercurrent and/or air introduced in cocurrent, said phase ending with a cocurrent production step in which the oxygen produced is sent to a buffer volume;a first cocurrent decompression phase;...

이 특허에 인용된 특허 (17)

  1. Amlinger Heinrich,DEX. Alternating pressure apparatus for obtaining oxygen from the air and method for the operation thereof. USP1999075928407.
  2. Monereau Christian,FRX ; Derive Nathalie,FRX ; Petit Pierre,FRX. Apparatus and process for the separation of gas mixtures by pressure swing adsorption. USP1999105961694.
  3. Brugerolle Jean-Renaud (Paris FRX) Monereau Christian (Paris FRX). Device and process for the separation of gas by adsorption. USP1997105679134.
  4. Leavitt Frederick W. (Tonawanda NY) Smolarek James (Boston NY) Lagree Dale A. (Williamsville NY). Dual product pressure swing adsorption process and system. USP1992115163978.
  5. Kaji Shinichi (Hyogo JPX) Haruna Kazuo (Hyogo JPX). Method and apparatus for separating nitrogen-enriched gas. USP1996045505765.
  6. Amlinger Heinrich,DEX. Method for operating an alternating pressure apparatus for producing oxygen from the air. USP1999085935297.
  7. Baksh Mohamed Safdar Allie ; Notaro Frank. Method for production of nitrogen using oxygen selective adsorbents. USP1998045735938.
  8. Baksh Mohamed S. A. (Amherst NY) Notaro Frank (Amherst NY). Optimal pressure swing adsorption refluxing. USP1996105565018.
  9. Knaebel Kent S. (Plain City OH). Pressure swing adsorption. USP1991075032150.
  10. Baksh Mohamed S. A. (Amherst NY) Kibler Vincent J. (West Falls NY) Schaub Herbert R. (East Amherst NY). Pressure swing adsorption process. USP1996055518526.
  11. Sircar Shivaji. Pressure swing adsorption process with a single adsorbent bed. USP1999035882380.
  12. Petit Pierre,FRX. Process for separating a gas mixture by pressure swing adsorption. USP2000016010556.
  13. McCombs, Norman R.; Bansal, Ravinder K.. Single bed pressure swing adsorption gas separation system. USP1985124561865.
  14. Smolarek James (Boston NY) Schaub Herbert Raymond (East Amherst NY) Fassbaugh John Harry (Elma NY) Aaron Timothy Mark (Williamsville NY). Single bed pressure swing adsorption process for recovery of oxygen from air. USP1997085658371.
  15. LaSala Kimberly A. (Clarence Center NY) Schaub Herbert (East Amherst NY). Single bed pressure swing adsorption system and process. USP1994125370728.
  16. Schaub Herbert Raymond (East Amherst NY) Smolarek James (Boston NY). Vacuum pressure swing adsorption process. USP1997125702504.
  17. Leavitt Frederick Wells. Vacuum/pressure swing adsorption (VPSA) for production of an oxygen enriched gas. USP1999025871565.

이 특허를 인용한 특허 피인용횟수: 40

  1. Owens, Tracie L.; Leta, Daniel P.. Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using same. USP2017079713787.
  2. Fowler, Tracy A.; Huntington, Richard A.; Fulton, John W.. Apparatus and system for swing adsorption processes related thereto. USP20190310220346.
  3. 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. USP20180810040022.
  4. Johnson, Robert A.; Deckman, Harry W.; Kelley, Bruce T.; Oelfke, Russell H.; Ramkumar, Shwetha. Apparatus and system for swing adsorption processes related thereto. USP20180910080991.
  5. 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. USP20181110124286.
  6. Nagavarapu, Ananda K.; Marshall, Bennett D.. Apparatus and system for swing adsorption processes related thereto. USP20190310220345.
  7. Nagavarapu, Ananda K.; Smith, Ransdall K.; Oelfke, Russell H.. Apparatus and system for swing adsorption processes related thereto. USP20180910080992.
  8. Tammera, Robert F.. Apparatus and system for swing adsorption processes related thereto. USP2017099751041.
  9. Tammera, Robert F.; Frederick, Jeffrey W.. Apparatus and system for swing adsorption processes related thereto. USP2018019861929.
  10. Ramkumar, Shwetha; Johnson, Robert A.; Mon, Eduardo; Fulton, John W.. Apparatus and system having a valve assembly and swing adsorption processes related thereto. USP2017069675925.
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  13. Sundaram, Narasimhan; Huntington, Richard A.. Apparatus and systems having a rotary valve assembly and swing adsorption processes related thereto. USP2015099120049.
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