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특허 상세정보

Adsorption process for recovery of solvents

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/04   
미국특허분류(USC) 95/099 ; 95/106 ; 95/143
출원번호 US-0079940 (1998-05-15)
발명자 / 주소
대리인 / 주소
    Striker
인용정보 피인용 횟수 : 24  인용 특허 : 7
초록

Organic solvents are removed from air by adsorption on fixed beds of activated carbon. Each carbon bed is periodically regenerated by heating it in two distinct steps and then by cooling it in two steps with a circulated inert gas stream. During the first step of heating a portion of the water is removed from the inert gas by molecular sieves or preferably by chilling the inert gas to below 10.degree. C. In a second step of heating the essentially water-free liquid solvent is recovered by chilling the inert gas. The first step of cooling of a bed is over...

대표
청구항

[ What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims:] [1.] A thermal swing adsorption process for solvent recovery, comprising the steps of applying at least three adsorbers with fixed beds of activated carbon; and subjecting each of the beds in overlapping cycles periodically to a sequence of at least the following steps:a) passing solvent containing air to a bed where the solvent is adsorbed,b) heating the bed in a first heating step with a hot gas coming from another bed which is being cooled,c) p...

이 특허를 인용한 특허 피인용횟수: 24

  1. Alizadeh Khiavi,Soheil; Roy,Surajit; Sawada,James A.. Adsorptive separation of gas streams. USP2007037189280.
  2. Dai, Xiangfeng; Simpson, Kevin. Apparatus and method for removing and fractionating sorbates from sorbents. USP2004046726746.
  3. Gittleman, Craig S.; Pettit, William H.; Voecks, Gerald E.. Carbon monoxide adsorption for carbon monoxide clean-up in a fuel cell system. USP2009047524344.
  4. Gittleman, Craig S.; Pettit, William H.; Voecks, Gerald E.. Carbon monoxide adsorption for carbon monoxide clean-up in a fuel cell system. USP2005116964692.
  5. Gittleman, Craig S.; Gupta, Ramesh. Combined water gas shift reactor/carbon dioxide adsorber for use in a fuel cell system. USP2004026692545.
  6. Gittleman,Craig S; Gupta,Ramesh. Combined water gas shift reactor/carbon dioxide adsorber for use in a fuel cell system. USP2008047361199.
  7. Keefer, Bowie G.; McLean, Christopher R.; Brown, Michael J.. Electrical current generation system. USP2005076921597.
  8. Keefer,Bowie G.; Connor,Denis J.; Hunter,Carl F.. Energy efficient gas separation for fuel cells. USP2006087087331.
  9. Keefer,Bowie G.; Babicki,Matthew L.; Kirby,Mark H.. Enhanced solid oxide fuel cell systems. USP2007107285350.
  10. Keefer, Bowie G.; Babicki, Matthew L.; Boulet, Andre Jason Joseph; Pelman, Aaron M.; Sellars, Brian G.; Roy, Surajit. Gas separation by combined pressure swing and displacement purge. USP2005066902602.
  11. Keefer,Bowie G.. High temperature fuel cell power plant. USP2006087097925.
  12. Keefer,Bowie G.; Babicki,Matthew L.. Hydrogen recycle for solid oxide fuel cell. USP2008067387849.
  13. Kalbassi,Mohammad Ali; Higginbotham,Paul. Process and apparatus for treating a feed gas. USP2006047022159.
  14. Georges Kraus FR; Patrick Le Bot FR; Lian-Ming Sun FR. Process for the treatment of a gas by temperature swing adsorption. USP2002066402814.
  15. McChesney, Joe; Goodrich, James R.. Recovery of n-propyl bromide emissions. USP2009117611564.
  16. Klobucar Joseph M.. Rotary concentrator and method of processing adsorbable pollutants. USP2001096294000.
  17. Sawada, James A.; Babicki, Matthew L.; Chiu, Amy; Boulet, Andre; Roy, Surajit; Rode, Edward J.. Separation of carbon dioxide from other gases. USP2010117828877.
  18. Keefer, Bowie G.; McLean, Christopher R.; Brown, Michael J.. System that includes a fuel cell and an oxygen gas delivery system. USP2010077758988.
  19. Keefer, Bowie G.; Sawada, James A.; Johannes, Erik P.; Roy, Surajit; Brown, Michael J.. Systems and processes for providing hydrogen to fuel cells. USP2010037674539.
  20. Keefer,Bowie G.; Sawada,James A.; Johannes,Erik P.; Roy,Surajit; Brown,Michael J.. Systems and processes for providing hydrogen to fuel cells. USP2006057041272.
  21. Romig, Ralph W.; McElvain, Robert R.; Page, Steve E.. Treater regeneration. USP2017069687815.
  22. Romig, Ralph W.; Odi, Timothy O.; Drew, Jennifer F.. Treater regeneration. USP20180810046306.
  23. Romig, Ralph W.; Odi, Timothy O.; Drew, Jennifer F.. Treater regeneration. USP2018019861955.
  24. Harold R. Cowles. VOC removal or destruction system. USP2002046372018.