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특허 상세정보

Dual product pressure swing adsorption and membrane operations

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/22    B01D-053/04   
미국특허분류(USC) 55/16 ; 55/18 ; 55/26 ; 55/68
출원번호 US-0772867 (1991-10-08)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 33  인용 특허 : 0
초록

The waste gas of PSA-air separation operations is passed to a membrane system for enhanced recovery of a second product. By capturing the portion found to contain a high concentration of either nitrogen or oxygen in the waste stream, the efficiency of the overall separation is enhanced.

대표
청구항

In a pressure swing adsorption process for the recovery of either oxygen or nitrogen as a high purity product in an adsorption system having at least one adsorbent bed containing adsorbent material capable of selectively adsorbing either oxygen or nitrogen as the more readily adsorbable component of feed air, said process comprising, on a cyclic basis in each bed, an adsorption/desorption/repressurization sequence in which product gas is recovered from the system and a waste stream is separately discharged therefrom, the improvement comprising: (a) separ...

이 특허를 인용한 특허 피인용횟수: 33

  1. Yeom, Choong Kyun; Park, ByungJae. Adsorptive permeation hollow fiber membrane, method of manufacturing the same, and gas adsorptive/desorptive separation system utilizing the same. USP2016099446349.
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  12. Sorensen, Cary V.; Bailey, Jeffrey R.. Landfill gas purification method and system. USP2013078480789.
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  15. Verbockhaven Denis,FRX ; Bonet Claude,FRX ; Sindzingre Thierry,FRX. Method and device for supplying several working gases, and its application to an installation for assembling electronic components. USP2001096293997.
  16. Siegel, Stanley M.; Siegel, Dennis C.. Method and system for methane separation and purification from a biogas. USP2013108568512.
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  20. Keith P. Michael. Non-cryogenic nitrogen for on-site downhole drilling and post drilling operations. USP2002096443245.
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  28. Reinhold ; III Herbert W. ; Huber Mark ; King David R.. Pressure swing system with auxiliary adsorbent bed. USP1999055906673.
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