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특허 상세정보

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Vacuum/pressure swing adsorption (VPSA) for production of an oxygen enriched gas

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/053   
미국특허분류(USC) 95/100 ; 95/101 ; 95/102 ; 95/103 ; 95/105 ; 95/138
출원번호 US-0783081 (1997-01-15)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Follett
인용정보 피인용 횟수 : 15  인용 특허 : 24
초록
▼

This invention relates to a VPSA method for the production of a product that is enriched with a more preferred gas from a mixture of the more preferred gas and a less preferred gas and, preferably to a VPSA method for the production of an oxygen-enriched product from air, using an oxygen-preferential adsorbent under equilibrium conditions. In a preferred embodiment the process uses a desorption purge at a nearly constant pressure that is selected to produce a steady stream of oxygen having a purity from 30% to 60% at a pressure in the range of 60 kPa to ...

대표
청구항
▼

[ I claim:] [1.] A vacuum/pressure swing adsorption (VPSA) method for extracting a gas mixture enriched in a more preferred gas from a feed gas mixture of said more preferred gas and a less preferred gas, said method employing one or more adsorbent beds each of which comprises an adsorbent which, on an equilibrium basis, exhibits a selective adsorption preference for said more preferred gas, said method comprising the steps of:a) passing the feed gas mixture into a feed end of said one or more adsorbent beds at a higher adsorption pressure that is about ...

이 특허에 인용된 특허 (24)

  1. Streich Martin (Socking DT) Jakob Fritz (Achmuhle DT). Adsorption system. USP1977054021210.
  2. Kumar Ravi (Allentown PA). Adsorptive process for producing two gas streams from a gas mixture. USP1990044915711.
  3. Koch, William R.. Control system for air fractionation by selective adsorption. USP1985094539019.
  4. Ramprasad Dorai (Allentown PA) Pez Guido P. (Allentown PA) Pearlstein Ronald M. (Macungie PA) Meier Ingrid K. (Easton PA). Cyanocobaltate oxygen adducts. USP1992065126466.
  5. Kaplan Robert H. (New City NY) LaCava Alberto (South Plainfield NJ) Shirley Arthur I. (South Orange NJ) Ringo Steven M. (Springtown NJ). Method for densely packing molecular sieve adsorbent beds in a PSA system. USP1990064931071.
  6. Pivard Claude (Paris FR). Methods of treating a gaseous mixture of adsorption. USP1979074160651.
  7. Baksh Mohamed S. A. (Amherst NY) Notaro Frank (Amherst NY). Optimal pressure swing adsorption refluxing. USP1996105565018.
  8. Campbell Michael J. (Clarence Center NY) Smolarek James (Boston NY) Pietruszewski John J. (Buffalo NY). Oxygen enriched air system. USP1989094867766.
  9. Sievers Robert E. (Boulder CO) Gillis John N. (Boulder CO). Oxygen sorbent. USP1987034654053.
  10. Krishnamurthy Ramachandran (Cranbury NJ) Lerner Steve L. (Berkeley Heights NJ) MacLean Donald L. (Annandale NJ). PSA multicomponent separation utilizing tank equalization. USP1989034816039.
  11. Baksh Mohamed S. A. (Amherst NY) Kibler Vincent J. (West Falls NY) Schaub Herbert R. (East Amherst NY). Pressure swing adsorption process. USP1996055518526.
  12. Whysall Michael (Wilrijk BEX). Pressure swing adsorption process. USP1984114482361.
  13. Fuderer Andrija (Antwerp BEX). Pressure swing adsorption with direct and indirect pressure equalizations. USP1984084468237.
  14. Dalton ; Jr. Augustine I. (Allentown PA) Sheridan ; III John J. (Somerville NJ) Zagnoli David A. (Fleetwood PA). Process for removing oxygen from mixed gas streams using a swing adiabatic absorption-isothermal desorption cycle. USP1983124421530.
  15. Yamano Matsuki (Hyogo JPX) Aono Tadayoshi (Hyogo JPX) Kurimoto Makoto (Ehime JPX) Uno Masaru (Hyogo JPX). Process for separation of high purity gas from mixed gas. USP1988104775394.
  16. Amatore Christian (Paris FRX) Aziz Said (Le Mee sur Seine FRX) Jutand Anny (Paris FRX) Draskovic Francois (Fontenay-le-Fleury CA FRX) Yamaguchi Kenneth (Laguna Beach CA) Cocolios Panayotis (Limours F. Process using transition metal complexes for the separation of dioxygen from a gas mixture by electrodecomplexation. USP1994035296105.
  17. Cassidy Robert T. (Waldwick NJ) Doshi Kishore J. (Mahopac NY). Product recovery in pressure swing adsorption process and system. USP1984074461630.
  18. Sircar Shivaji (Wescosville PA). Production of mixed gases of controlled composition by pressure swing adsorption. USP1987114705541.
  19. Kratz Wilbur C. (Macungie PA) Sircar Shivaji (Wescosville PA). Production of oxygen enriched air. USP1987084685939.
  20. Tamhankar Satish S. (Scotch Plains NJ) Ramachandran Ramakrishnan (Allendale NJ). Recovery of trace gases from gas streams. USP1997045620501.
  21. Reiss Gerhard (Leverkusen DEX). Separation of gas mixtures by vacuum swing adsorption (VSA) in a two-adsorber system. USP1991055015271.
  22. LaSala Kimberly A. (Clarence Center NY) Schaub Herbert (East Amherst NY). Single bed pressure swing adsorption system and process. USP1994125370728.
  23. Choe Jung S. (Harleysville PA) Kellogg ; Jr. Lyndon J. (Salington PA) Weimer Robert F. (Allentown PA). Two stage pressure swing adsorption process for producing the less strongly adsorbed component of a feed gas mixture. USP1995015382280.
  24. Leavitt Frederick W. (Amherst NY). Vacuum pressure swing adsorption process. USP1995055415683.

이 특허를 인용한 특허 피인용횟수: 15

  1. Monereau Christian,FRX ; Derive Nathalie,FRX ; Petit Pierre,FRX. Apparatus and process for the separation of gas mixtures by pressure swing adsorption. USP1999105961694.
  2. Petit Pierre,FRX ; Andreani Philippe ; Monereau Christian,FRX. Apparatus for the separation of a gaseous mixture. USP2000106132496.
  3. Petit Pierre,FRX ; Andreani Philippe ; Monereau Christian,FRX. PSA process and apparatus for the separation of a gaseous mixture. USP2000066071328.
  4. Bliss, Peter L.; Atlas, Charles R.; Halperin, Scott Carson. Portable oxygen concentrator. USP2010117837761.
  5. Bliss, Peter L.; Atlas, Charles R.; Halperin, Scott Carson. Portable oxygen concentrator. USP2010097794522.
  6. Bliss,Peter L.; Atlas, Jr.,Charles R.; Halperin,Scott Cameron. Portable oxygen concentrator. USP2008057368005.
  7. Bliss,Peter L.; Atlas, Jr.,Charles R.; Halperin,Scott Cameron. Portable oxygen concentrator. USP2008077402193.
  8. Bliss,Peter L.; Atlas, Jr.,Charles R.; Halperin,Scott Cameron. Portable oxygen concentrator. USP2008027329304.
  9. Guoming Zhong ; Mohamed Safdar Allie Baksh ; Frank Notaro ; Frederick Wells Leavitt. Pressure swing adsorption process for high recovery of high purity gas. USP2002126500235.
  10. Derive Nathalie,FRX ; Dubois Anne,FRX ; Monereau Christian,FRX. Process and unit for producing oxygen by adsorption with a short cycle. USP2001016171371.
  11. Bassine, Stuart. Reversible pivoting vane rotary compressor for a valve-free oxygen concentrator. USP2004066749405.
  12. Jianguo Xu ; Mark Robert Pillarella ; Douglas Paul Dee ; Rakesh Agrawal. Single bed pressure swing adsorption process. USP2002076425938.
  13. Doong Shain-Jer ; Shuttleworth Andrew William ; Ambriano John R. ; Maheshwary Apurva ; Travis Ian Douglas. Single vessel gas adsorption system and process. USP1999125997611.
  14. Theodore B. Hill. Vacuum-pressure swing absorption fractionator and method of using the same. USP2002106471744.
  15. Bassine,Stuart. Valve-free oxygen concentrator featuring reversible compressors. USP2006107114932.

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