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Argon purification

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-053/04
출원번호 US-0405643 (1982-08-05)
발명자 / 주소
  • Kumar Ravi (Allentown PA) Sircar Shivaji (Wescosville PA) White Thomas R. (Allentown PA) Greskovich Eugene J. (Allentown PA)
출원인 / 주소
  • Air Products and Chemicals, Inc. (Allentown PA 02)
인용정보 피인용 횟수 : 41  인용 특허 : 4

초록

Argon is recovered from a gas stream comprising the same in admixture with oxygen and nitrogen, by a vacuum swing adsorption (VSA) process wherein the mixed gas is passed through an adsorbent bed having thermodynamic selectivity for adsorption of nitrogen and the unadsorbed portion then passed throu

대표청구항

The method of purifying a crude argon stream containing minor amounts of oxygen and nitrogen which comprises the steps of: (a) during an adsorption step passing said stream as feed serially through a first bed of adsorbent preferentially selective in retention of nitrogen and during said adsorption

이 특허에 인용된 특허 (4)

  1. Benkmann Christian (Munich DEX), Adsorption process for the separation of gaseous mixtures.
  2. Armond John W. (Buckhurst Hill GB2) Webber David A. (Bishops Stortford GB2) Smith Kenneth C. (Roydon GB2), Gas separation.
  3. Armond John W. (Great Bookham GB2), Gas separation.
  4. Bligh Bernard R. (Hampton Hill GB2) Godber Stephen J. (Woking GB2), Method of purifying crude argon.

이 특허를 인용한 특허 (41)

  1. Barrett, Philip A.; Pontonio, Steven J.; Stephenson, Neil A.; Kechagia, Persefoni E., Adsorbent composition for argon purification.
  2. Banucci Eugene G. ; Hultquist Steven J., Adsorbent-based storage and dispensing system.
  3. Schmidt William P. (Allentown PA) Kumar Ravi (Allentown PA) Abel Alan D. (Allentown PA), Adsorptive nitrogen generation utilizing multiple adsorption beds.
  4. Yeom, Choong Kyun; Park, ByungJae, Adsorptive permeation hollow fiber membrane, method of manufacturing the same, and gas adsorptive/desorptive separation system utilizing the same.
  5. Schmidt William P. (Allentown PA) Kumar Ravi (Allentown PA) Abel Alan D. (Allentown PA), Adsorptive separation utilizing multiple adsorption beds.
  6. Tom Glenn M. ; Kirlin Peter S. ; McManus James V., Apparatus and process for manufacturing semiconductor devices, products and precursor structures utilizing sorbent-based fluid storage and dispensing system for reagent delivery.
  7. Howard, Henry E.; Kechagia, Persefoni E.; Barrett, Philip A.; Handley, James R., Argon production method and apparatus.
  8. Howard, Henry E.; Kechagia, Persefoni E.; Barrett, Philip A.; Handley, James R., Argon production method and apparatus.
  9. Baksh, Mohamed Safdar Allie; Stewart, Alan Barnard, Argon purification process.
  10. Vo Toan P. (Pittsburgh PA), Auxiliary bed pressure swing adsorption molecular sieve.
  11. Graham,David Ross; Bukowski,Justin David; Choe,Jung Soo; Herron,Donn Michael; Lee,Sang Kook, Combined cryogenic distillation and PSA for argon production.
  12. Nguyen Tu Cam ; Baksh Mohamed Safdar Allie ; Bonaquist Dante Patrick ; Weber Joseph Alfred, Cryogenic hybrid system for producing high purity argon.
  13. Du, Hai; Jaynes, Scot E.; Falta, Steven R.; Stephenson, Neil A., Helium enhanced heat transfer in adsorptive liquid or gas phase argon purification processes.
  14. Baksh,Mohamed Safdar Allie; Jaynes,Scot Eric; Neu,Bernard Thomas; Smolarek,James; Emley,Mark Thomas, Helium recovery.
  15. Tom Glenn M., High capacity gas storage and dispensing system.
  16. Olander W. Karl, Low pressure gas source and dispensing apparatus with enhanced diffusive/extractive means.
  17. Prosser, Neil M.; Luo, Yang, Method ad apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption.
  18. Du, Hai; Prosser, Neil M.; Luo, Yang; Stephenson, Neil A., Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system.
  19. Du, Hai; Prosser, Neil M.; Luo, Yang; Stephenson, Neil A., Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system.
  20. Prosser, Neil M.; Luo, Yang, Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system.
  21. Prosser, Neil M.; Luo, Yang; Larson, Kirk F., Method and apparatus for argon rejection and recovery.
  22. Du, Hai; Stephenson, Neil A.; Prosser, Neil M., Method and apparatus for increasing argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system.
  23. Ragil Karine,FRX ; Thomas Michel,FRX ; Jullian Sophie,FRX, Method and plant for processing a natural gas with high N2 contents and recycling.
  24. Knaebel, Seth Pemberton, Moisture mitigation in PSA air fractionation.
  25. Krishnamurthy Ramachandran (Cranbury NJ) Lerner Steve L. (Berkeley Heights NJ) MacLean Donald L. (Annandale NJ), PSA multicomponent separation utilizing tank equalization.
  26. Wilson, Shaun M.; Sturm, Edward A., PVDF pyrolyzate adsorbent and gas storage and dispensing system utilizing same.
  27. Guoming Zhong ; Mohamed Safdar Allie Baksh ; Frank Notaro ; Frederick Wells Leavitt, Pressure swing adsorption process for high recovery of high purity gas.
  28. Borzio Raymond A., Process for determining amount of argon contamination in oxygen and related apparatus therefor.
  29. Wang Luping ; McManus James V., Process for fabricating a sorbent-based gas storage and dispensing system, utilizing sorbent material pretreatment.
  30. Chen, Michael S.; Cook, Philip J., Process for removing oxygen from crude argon.
  31. von Gemmingen Ulrich (Munich DEX), Process for the adsorptive separation of steam and a less readily adsorbable component from a gaseous stream.
  32. Jasra,Raksh Vir; Chudasama,Chintansinh Dharmendrasinh, Process for the preparation of molecular sieve adsorbent for selective adsorption of oxygen from air.
  33. Agrawal Rakesh (Allentown PA) Auvil Steven R. (Whitehall PA) Choe Jung S. (Allentown PA), Process for the production of argon.
  34. Agrawal Rakesh (Allentown PA) Auvil Steven R. (Macungie PA), Process for the production of high purity argon.
  35. Kechagia, Persefoni E.; Stephenson, Neil A.; Barrett, Philip A.; Du, Hai; Pontonio, Steven J., Purification of argon through liquid phase cryogenic adsorption.
  36. Kechagia, Persefoni E.; Stephenson, Neil A.; Barrett, Philip A.; Du, Hai; Pontonio, Steven J., Purification of argon through liquid phase cryogenic adsorption.
  37. Jain Ravi (Bridgewater NJ) Stern Sidney S. (Highland Park NJ), Purification of fluids by adsorption.
  38. Tom Glenn M. ; McManus James V., Storage and delivery system for gaseous compounds.
  39. Stanford Raymond A. (Rock Island IL), Super-enriched oxygen generator.
  40. Tu Cam Nguyen ; Thomas John Bergman, Jr., System and method for producing high purity argon.
  41. Dietz James ; McManus James V., Throughflow gas storage and dispensing system.
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