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특허 상세정보

Process for separating nitrogen gas

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/04   
미국특허분류(USC) 95/103 ; 95/119 ; 95/138 ; 95/148
출원번호 US-0032023 (1993-03-16)
우선권정보 JP-0092054 (1992-03-17)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 15  인용 특허 : 0
초록

A process for separating nitrogen which comprises, with a nitrogen gas separation apparatus of a pressure-swing adsorption type, a gas transfer step between an adsorber having completed an adsorption step with another adsorber having completed a regeneration step. The gas transfer step further comprising discharging part of the gas being transferred out of the system. This process provides, with compact equipment, high-purity product nitrogen with a purity of at least 99.99%, which has been considered difficult to obtain with conventional pressure-swing ...

대표
청구항

A process for separating nitrogen gas from a pressurized gas mixture predominantly composed of nitrogen gas and oxygen gas in a nitrogen gas separation apparatus of a pressure swing adsorption system, having at least first and second adsorbers filled with a carbon molecular sieve and a product nitrogen gas holder, the process comprising the steps of: adsorbing oxygen gas selectively in the first adsorber, from a pressurized gaseous mixture with a carbon molecular sieve, while withdrawing nitrogen gas; regenerating a carbon molecular sieve in the second a...

이 특허를 인용한 특허 피인용횟수: 15

  1. Nakamura, Akihiro; Kawai, Masato; Hayashida, Masayoshi; Watanabe, Yoshinori; Marumo, Shinichi. Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogen. USP2005076916358.
  2. Cogotzi, Lorenzo. Adsorption process and apparatus for nitrogen production and drink dispensing device making use of the apparatus. USP2004126835231.
  3. Kotliar Igor K.. Apparatus for passive hypoxic training and therapy. USP1999075924419.
  4. Baksh, Mohamed Safdar Allie; Stewart, Alan Barnard. Argon purification process. USP2003036527831.
  5. Phelps, Johne; O'Connor, Daniel N.; Deller, Robert R.; Lydon, Justin R.; McGuire, Timothy C.. Cooling system for wine or champagne preservation and dispensing apparatus. USP2003126658859.
  6. Phelps, Johne; O'Connor, Daniel N.; Deller, Robert R.; Lydon, Justin R.; McGuire, Timothy C.. Cooling system for wine or champagne preservation and dispensing apparatus. USP2003056557369.
  7. Kawai, Masato; Nakamura, Akihiro; Hayashida, Masayoshi; Watanabe, Yoshinori; Marumo, Shinichi. Method and apparatus for producing nitrogen. USP2004076767386.
  8. Baksh Mohamed Safdar Allie ; Notaro Frank. Method for production of nitrogen using oxygen selective adsorbents. USP1998045735938.
  9. Phelps, Johne; O'Connor, Daniel N.; Lydon, Justin R.. Nitrogen generator for wine or champagne preservation and dispensing apparatus. USP2003056557459.
  10. Lee, Sang Kook; Bukowski, Justin David. Pressure swing adsorption process with controlled internal depressurization flow. USP2004036709486.
  11. Robert Banks GB. Selective adsorption of components of a gas mixture. USP2002026344070.
  12. Phelps, Johne; O'Connor, Daniel N.; Lydon, Justin R.. Stopper for wine or champagne preservation and dispensing apparatus. USP2003086607105.
  13. Lee, Sang Kook; Bukowski, Justin David. Vacuum swing adsorption process with controlled waste gas withdrawal. USP2003116641645.
  14. Phelps, Johne; O'Connor, Daniel N.; Deller, Robert R.; Lydon, Justin R.; McGuire, Timothy C.. Wine or champagne preservation and dispensing apparatus. USP2005076913167.
  15. Phelps, Johne; O'Connor, Daniel N.; Deller, Robert R.; Lydon, Justin R.; McGuire, Timothy C.. Wine or champagne preservation and dispensing apparatus. USP2003086607100.