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특허 상세정보

Pressure swing absorption with recycle of void space gas

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/053    B01D-053/22   
미국특허분류(USC) 95/54 ; 95/103 ; 95/138 ; 95/903
출원번호 US-0197091 (1994-02-16)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 11  인용 특허 : 0
초록

The present invention is a pressure swing adsorption process for separating a more strongly adsorbed gas component from a less strongly adsorbed gas component in a feed gas mixture at higher recoveries and productivity and less capital cost by the use of void space gas recycle, membrane based nitrogen enrichment of feed gas and the elimination of pressure equalization steps. The process is particularly amenable to air separation wherein nitrogen product is recovered and an oxygen byproduct is removed.

대표
청구항

A pressure swing adsorption process for separating a feed gas containing at least nitrogen and oxygen into more strongly adsorbed oxygen and less strongly adsorbed nitrogen in at least two parallel zones of adsorbent, each zone proceeding through a series of steps out of phase with the other zone comprising; (a) said feed gas at elevated pressure is contacted with a zone of a carbon molecular sieve adsorbent selective for oxygen, the oxygen is adsorbed and the nitrogen passes out of said zone as a product; (b) said zone is initially depressurized counter...

이 특허를 인용한 특허 피인용횟수: 11

  1. 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.
  2. 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.
  3. Thompson, Loren M.; Nelson, James E.; Voltenburg, Jr., Robert R.. Damping apparatus for scroll compressors for oxygen-generating systems. USP2011128075676.
  4. Phillips Robert John,GBX ; Simons Adrian,GBX ; Kilner John Anthony,GBX ; Lane Jonathan Andrew,GBX. Gas generating system. USP2001116319305.
  5. Thompson, Loren M.; Chekal, Michael P; Dedecker, Paul G; Nelson, James E.. Method of determining the purity of oxygen present in an oxygen-enriched gas produced from an oxygen delivery system. USP2010057722698.
  6. Allie, Mohamed Safdar. Methods and systems for helium recovery. USP2012098268047.
  7. Baksh, Mohamed Safdar Allie. Methods and systems for helium recovery. USP2010087780764.
  8. Phelps, Johne; O'Connor, Daniel N.; Lydon, Justin R.. Nitrogen generator for wine or champagne preservation and dispensing apparatus. USP2003056557459.
  9. Phelps, Johne; O'Connor, Daniel N.; Lydon, Justin R.. Stopper for wine or champagne preservation and dispensing apparatus. USP2003086607105.
  10. Phelps, Johne; O'Connor, Daniel N.; Deller, Robert R.; Lydon, Justin R.; McGuire, Timothy C.. Wine or champagne preservation and dispensing apparatus. USP2005076913167.
  11. Phelps, Johne; O'Connor, Daniel N.; Deller, Robert R.; Lydon, Justin R.; McGuire, Timothy C.. Wine or champagne preservation and dispensing apparatus. USP2003086607100.