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특허 상세정보

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PSA multicomponent separation utilizing tank equalization

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/04   
미국특허분류(USC) 55/26 ; 55/58 ; 55/62 ; 55/66
출원번호 US-0059172 (1987-06-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 52  인용 특허 : 12
초록
▼

The inclusion of one or more tanks in a two-bed pressure swing adsorption system provides for a further reduction in the pressure from which each bed is vented. According to the invention, following a bed pressure equalization step, the bed which is to undergo regeneration is equalized with at least one tank, which is at a lower pressure, in order to transfer part of the gas located in the bed void volume. After the bed is regenerated, it is again equalized with the same tank, now at a higher pressure than the bed, in order to return the conserved gas. T...

대표
청구항
▼

A cyclical process for the separation of a multicomponent gaseous mixture at a high pressure, said multicomponent gaseous mixture comprising at least three components, said cyclical process utilizing a pressure swing adsorption system comprising two beds and at least one tank, wherein said two beds contain an adsorbent material of different selectivity with respect to each of said three components, and said tank is adapted to communicate with both beds, said process comprising in sequence: (i) a first pressure equalization of a first adsorption bed with ...

이 특허에 인용된 특허 (12)

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  2. Walter William Clarence (2 Westway Rochester NY 14624). Adsorptive process for selective separation of gases. USP1976083977845.
  3. Knoblauch Karl (Essen DEX) Heimbach Heinrich (Essen DEX). Adsorptive separation of gases. USP1983114415340.
  4. Kumar Ravi (Allentown PA) Sircar Shivaji (Wescosville PA) White Thomas R. (Allentown PA) Greskovich Eugene J. (Allentown PA). Argon purification. USP1984104477265.
  5. Whysall Michael (Wilrijk BEX). Pressure swing adsorption process. USP1984114482361.
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  7. McCombs Norman R. (Tonawanda NY) Vrana Edward E. (West Seneca NY). Pressure swing adsorption process and system for gas separation. USP1980034194890.
  8. Doshi Kishore J. (Mahopac NY) Patel Kirit M. (Wappingers Falls NY). Pressure swing adsorption recovery. USP1982074340398.
  9. Fuderer Andrija (Antwerp BEX). Pressure swing adsorption with direct and indirect pressure equalizations. USP1984084468237.
  10. Jntgen Harald (Essen DEX) Knoblauch Karl (Essen DEX) Reichenberger Jrgen (Essen DEX) Heimbach Heinrich (Essen DEX) Tarnow Ferdinand (Duisburg-Buchholz DEX). Process for the recovery of nitrogen-rich gases from gases containing at least oxygen as other component. USP1981044264339.
  11. Cassidy Robert T. (Waldwick NJ) Doshi Kishore J. (Mahopac NY). Product recovery in pressure swing adsorption process and system. USP1984074461630.
  12. Doshi ; Kishore Jasraj. Recovery of hydrogen and nitrogen from ammonia plant purge gas. USP1978034077780.

이 특허를 인용한 특허 피인용횟수: 52

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  3. Fowler, Tracy A.; Huntington, Richard A.; Fulton, John W.. Apparatus and system for swing adsorption processes related thereto. USP20190310220346.
  4. 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.
  5. Johnson, Robert A.; Deckman, Harry W.; Kelley, Bruce T.; Oelfke, Russell H.; Ramkumar, Shwetha. Apparatus and system for swing adsorption processes related thereto. USP20180910080991.
  6. 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.
  7. Nagavarapu, Ananda K.; Marshall, Bennett D.. Apparatus and system for swing adsorption processes related thereto. USP20190310220345.
  8. Nagavarapu, Ananda K.; Smith, Ransdall K.; Oelfke, Russell H.. Apparatus and system for swing adsorption processes related thereto. USP20180910080992.
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  13. Tammera, Robert F.. Apparatus and systems having a reciprocating valve head assembly and swing adsorption processes related thereto. USP2015049017457.
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  52. Leavitt Frederick Wells. Vacuum/pressure swing adsorption (VPSA) for production of an oxygen enriched gas. USP1999025871565.

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