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Process for the adsorption of nitrogen from gas mixtures by means of pressure swing adsorption with zeolites

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-053/047
출원번호 US-0690415 (1996-07-25)
우선권정보 DE-0028188 (1995-08-01)
발명자 / 주소
  • Reiss Gerhard,DEX
  • Puppe Lothar,DEX
  • Hees Bruno,DEX
출원인 / 주소
  • Bayer Aktiengesellschaft, DEX
대리인 / 주소
    Sprung Kramer Schaefer & Briscoe
인용정보 피인용 횟수 : 11  인용 특허 : 20

초록

In the pressure swing adsorption of nitrogen from gas mixtures with less polar gas components at temperatures of between 20.degree. and 50.degree. C., wherein the gas mixture is passed through an adsorber which is filled with packings of zeolite pellets and has an inlet zone and an outlet zone, the

대표청구항

[ We claim:] [1.] In the adsorption of nitrogen from a gas mixture with less polar gas components at temperatures between 20.degree. and 50.degree. C. by means of pressure swing adsorption, in which the gas mixture is passed through an adsorber which is filled with packings of zeolite pellets and ha

이 특허에 인용된 특허 (20)

  1. Toussaint Lee J. (Lockport NY), Adsorbent beds for pressure swing adsorption operations.
  2. Kumar Ravi (Allentown PA) Naheiri Tarik (Bath PA) Watson Charles F. (Orefield PA), Adsorption process with mixed repressurization and purge/equalization.
  3. Fitch Frank R. (Bedminster NJ) Blow Martin (Basking Ridge NJ) Ojo Adeola F. (Chatham NJ), Adsorptive separation of nitrogen from other gases.
  4. Leavitt Frederick W. (North Tonawanda NY), Air separation pressure swing adsorption process.
  5. Sircar, Shivaji; Conrad, Roger R.; Ambs, William J., Binary ion exchanged type X zeolite adsorbent.
  6. Sircar Shivaji (Wescosville PA) Conrad Roger R. (Trexlertown PA) Koch William R. (Fleetwood PA), Closed-loop thermal regeneration of adsorbents containing reactive adsorbates.
  7. Armond John W. (Great Bookham GB2) Ray Martyn S. (Hednesford GB2), Gas separation.
  8. Chao Chien C. (Millwood NY) Sherman John D. (Chappagua NY) Mullhaupt Joseph T. (Willimasville NY) Bolinger Cornelius M. (Sugarland TX), Mixed ion-exchanged zeolites and processes for the use thereof in gas separations.
  9. Chao Chien C. (Millwood NY) Sherman John D. (Chappaqua NY) Mullhaupt Joseph T. (Williamsville NY) Bolinger Cornelius M. (Sugarland TX), Mixed ion-exchanged zeolites and processes for the use thereof in gas separations.
  10. Reiss Gerhard (Leverkusen DEX), Molecular sieve zeolite for producing hydrogen by pressure variation adsorption technique.
  11. Watson Charles F. (Orefield PA) Whitley Roger D. (Allentown PA) Meyer Michael L. (Fogelsville PA), Multiple zeolite adsorbent layers in oxygen separation.
  12. Coe Charles G. (Macungie PA) Kirner John F. (Orefield PA) Pierantozzi Ronald (Orefield PA) White Thomas R. (Allentown PA), Nitrogen adsorption with a Ca and/or Sr exchanged lithium X-zeolite.
  13. Coe Charles G. (Macungie PA) Kirner John F. (Orefield PA) Pierantozzi Ronald (Orefield PA) White Thomas R. (Allentown PA), Nitrogen adsorption with a divalent cation exchanged lithium X-zeolite.
  14. Kirner John F. (Orefield PA), Nitrogen adsorption with highly Li exchanged X-zeolites with low Si/Al ratio.
  15. Gaffney Thomas R. (Allentown PA) Kirner John F. (Orefield PA) Kumar Ravi (Allentown PA) Maliszewskyj Robin J. (Hatfield PA) Schmidt William P. (Allentown PA), O2 VSA process with low O2 capacity adsorbents.
  16. Haruna Kazuo (Kakogawa JPX) Ueda Kanji (Ashiya JPX) Uno Masaru (Akashi JPX), Process for producing oxygen-enriched gas.
  17. Chao Chien C. (Millwood NY), Process for separating nitrogen from mixtures thereof with less polar substances.
  18. Reiss Gerhard (Leverkusen DEX), Process for the adsorptive oxygen-enrichment of air with mixtures of Ca zeolite A molecular sieves by means of vacuum sw.
  19. Puppe Lothar (Burscheid DEX) Reiss Gerhard (Leverkusen DEX), Silica-bound calcium-containing zeolite a granulate.
  20. Watson Charles F. (Orefield PA) Whitley Roger D. (Allentown PA) Agrawal Rakesh (Emmaus PA) Kumar Ravi (Allentown PA), Vacuum swing adsorption process with mixed repressurization and provide product depressurization.

이 특허를 인용한 특허 (11)

  1. Dee, Douglas Paul; Chiang, Robert Ling; Miller, Edwin John; Whitley, Roger Dean, High purity oxygen production by pressure swing adsorption.
  2. Weston,Kerry; Jaussaud,Dave; Chiang,Robert L., Lithium exchanged zeolite X adsorbent blends.
  3. Haase, Richard Alan; Smaardyk, John, Manufacture of water chemistries.
  4. Weston, Kerry C.; Purcell, Patrick, Molecular sieve adsorbent blends and uses thereof.
  5. Johnson Leighta Maureen ; Farris Thomas Stephen ; Golden Timothy Christopher ; Weist ; Jr. Edward Landis ; Occhialini James Michael, Optimum adsorbents for H2 recovery by pressure and vacuum swing absorption.
  6. Mohamed Safdar Allie Baksh ; Mark William Ackley, Pressure swing adsorption process for the production of hydrogen.
  7. Millet Cyrille,FRX ; Moreau Serge,FRX ; Kraus Georges,FRX ; Gabillard Jean-Pierre,FRX, Process for purifying a gas stream of its N2O impurities.
  8. Gary Daniel,FRX ; Lardeau Rene,FRX, Process for purifying inert fluids by adsorption on LSX zeolite.
  9. Weyrich, Gregory Scott; Suchdeo, Shyam Ramchand; Raiswell, Christopher James; Salter, Elizabeth Helen, Purification of gas streams.
  10. Haase, Richard Alan, Water combustion technology—methods, processes, systems and apparatus for the combustion of hydrogen and oxygen.
  11. Monereau, Christian, Zeolite composition adapted for air purification.

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