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Fluorochemical recovery and recycle using membranes

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-053/22
  • B01D-053/04
  • B01D-047/00
출원번호 US-0741843 (1996-10-31)
발명자 / 주소
  • Chernyakov Iosif
  • Hsiung Thomas Hsiao-Ling
  • Schwarz Alexander
  • Yang James Hsu-Kuang
출원인 / 주소
  • Air Products and Chemicals, Inc.
대리인 / 주소
    Chase
인용정보 피인용 횟수 : 23  인용 특허 : 24

초록

A method for the separation and recovery of fluorochemicals from a gas stream containing a diluent gas and fluorochemicals by contact of the gas stream with a membrane, comprising the steps of: compressing a gas stream containing a diluent gas and fluorochemicals to an elevated pressure; heating the

대표청구항

[ We claim:] [1.] The method for the separation and recovery of fluorochemicals from a gas stream containing a diluent gas and fluorochemicals by contact of the gas stream with a membrane, comprising the steps of:(a) compressing a gas stream containing a diluent gas and fluorochemicals to an elevate

이 특허에 인용된 특허 (24)

  1. Xu Jianguo (Fogelsville PA), Compressed permeate sweep membrane separation process.
  2. Jin Yijian (Tonawanda NY) Fisher Theodore F. (Amherst NY), Cryogenic rectification system for fluorine compound recovery.
  3. Heki ; Hideaki ; Ozaki ; Osamu ; Ohno ; Masayoshi, Gas separator.
  4. Xu Jianguo (Fogelsville PA), High pressure feed membrane separation process.
  5. Prasad Ravi (East Amherst NY), High purity membrane nitrogen.
  6. Graham Tommy E. (Raleigh NC), Membrane gas separation processes.
  7. Campbell Michael J. (Clarence Center NY) Smolarek James (Boston NY) Van Lente Timothy S. (Buffalo NY), Membrane separation system and process.
  8. Campbell Michael J. (Clarence Center NY) Smolarek James (Boston NY) Van Lente Timothy S. (Buffalo NY), Membrane separation system and process.
  9. Choe Jun S. (Harleysville PA) Kellogg ; Jr. Lyndon J. (Slatington PA), Membrane-assisted process to produce ammonia.
  10. Kusuki Yoshihiro (Ichihara JPX) Ishihara Kazuhiko (Minato JPX), Method of preparing high purity light gas by multiple-step gas separation.
  11. Callahan Richard A. (Burlington VT), Multiple stage semi-permeable membrane process and apparatus for gas separation.
  12. Barbe Christian (Paris Cedex FRX) Masurel Dominique (Paris Cedex FRX), Multistage cascade-sweep process for membrane gas separation.
  13. Nemser Stuart M. (Wilmington DE) Roman Ian C. (Wilmington DE), Perfluorodioxole membranes.
  14. Fuentes Franois (Paris FRX) Dolle Pierre-Olivier (Levallois-Perret FRX) Willemot Antoine (Sceaux FRX) Barry Lionel (Versailles FRX) Fillet Frederic (Issy les Moulineaux FRX) Gelot Jean-Louis (Elancou, Process and apparatus for separation of a gaseous mixture by successive membranes of different selectivities.
  15. Brugerolle Jean-Renaud (Paris FRX) Ferenczi Laurent (Paris FRX), Process and equipment for separating a component of intermediate permeability from a gaseous mixture.
  16. Rice Arthur W. (O\Fallon MO), Process for capturing nitrogen from air using gas separation membranes.
  17. Burr Peter S. (Munich DEX), Process for fractionation of a gaseous mixture employing side stream withdrawal, separation, and recycle.
  18. Sander Ulrich (Friedrichsdorf DEX) Soukup Pavel (Hammersbach DEX) Helmrich Harald (Frankfurt am Main DEX) Weiss Wilfried (Oberursel DEX), Process for producing alkali metal alcoholates.
  19. Auvil Steven R. (Macungie PA) Agrawal Rakesh (Allentown PA), Process for recovering hydrogen from a multi-component gas stream.
  20. Graham Tommy E. (Raleigh NC), Process for separating aggressive gases from gas mixtures.
  21. Choe Jung S. (Allentown PA) Auvil Steven R. (Macungie PA) Agrawal Rakesh (Allentown PA), Process for separating components of a gas stream.
  22. Graham Tommy E. (Raleigh NC) MacLean Donald L. (Raleigh NC), Processes.
  23. McNeill John M. (14021 Marquesas Way Marina Del Rey CA 90292), Production of membrane-derived nitrogen from combustion gases.
  24. Tamhankar Satish S. (Scotch Plains NJ) Ramachandran Ramakrishnan (Allendale NJ) Blow Martin (Basking Ridge NJ) Galica Theodore R. (Glen Gardner NJ), Removal of perfluorocarbons from gas streams.

이 특허를 인용한 특허 (23)

  1. O'Brien William G. ; Noelke Charles J. ; Harker Raymond C. ; Van Bramer David John, CO.sub.2 removable from fluorocarbons by semipermeable membrane.
  2. Yamamoto, Osamu; Kinouchi, Masayuki; Takada, Naoki; Kase, Yoji; Kikuchi, Masao, Device and method for separating and collecting halide gas.
  3. Jangbarwala, Juzer, Fluorine removal by ion exchange.
  4. Sato, Toshikazu; Inohara, Toshiaki; Murase, Hiroshi; Naotsuka, Hiromi; Imai, Takahiro, Gas reclaiming equipment.
  5. Abe, Tetsuya; Tanzawa, Sadamitsu; Hiroki, Seiji; Tajima, Yoshinori; Futatsuki, Takashi, Gas separation apparatus.
  6. Pittroff, Michael; Schwarze, Thomas; Belt, Heinz-Joachim, Isolation of SF6 from insulating gases in gas-insulated lines.
  7. Fumio Kawasaki JP; Rosuke Matsubayashi JP, Method and apparatus for separating and recovering perfluoro compound.
  8. Nozomu Tanihara JP; Yoshihiro Kusuki JP, Partially carbonized asymmetric hollow fiber separation membrane, process for its production, and gas separation method.
  9. Li Yao-En ; Paganessi Joseph E. ; Vassallo David ; Fleming Gregory K., Process and system for separation and recovery of perfluorocompound gases.
  10. Li Yao-En ; Paganessi Jospeh E. ; Vassallo David ; Fleming Gregory K., Process and system for separation and recovery of perfluorocompound gases.
  11. Li Yao-En ; Paganessi Jospeh E. ; Vassallo David ; Fleming Gregory K., Process and system for separation and recovery of perfluorocompound gases.
  12. Li Yao-En ; Paganessi Jospeh E. ; Vassallo David ; Fleming Gregory K., Process and system for separation and recovery of perfluorocompound gases.
  13. Li, Yao-En; Paganessi, Joseph E.; Vassallo, David; Fleming, Gregory K., Process and system for separation and recovery of perfluorocompound gases.
  14. Yao-En Li ; Jospeh E. Paganessi ; David Vassallo ; Gregory K. Fleming, Process and system for separation and recovery of perfluorocompound gases.
  15. Li Yao-En ; Meimari Magdy,CAX, Process for recovering SF.sub.6 from a gas.
  16. Nel, Johannes Theodorus; Van Der Walt, Izak Jacobus; Grunenberg, Alfred Teo; Bruinsma, Odolphus Simon Leo; Le Roux, Marco; Krieg, Henning Manfred; Marx, Sanette, Recovery of a gaseous component from a mixture of gaseous compounds.
  17. Yang James Hsu-Kuang ; Chernyakov Iosif ; Hsiung Thomas Hsiao-Ling ; Schwarz Alexander, Recovery of perfluorinated compounds from the exhaust of semiconductor fabs using membrane and adsorption in series.
  18. Chernyakov Iosif ; Hsiung Thomas Hsiao-Ling ; Schwarz Alexander ; Yang James Hsu-Kuang, Recovery of perfluorinated compounds from the exhaust of semiconductor fabs with recycle of vacuum pump diluent.
  19. Roh, Young-Seok, Separation and recycling system of perfluorinated compounds.
  20. Li Yao-En, Separation of CF4 and C2F6 from a perfluorocompound mixture.
  21. O'Brien William G. ; Noelke Charles J. ; Harker Raymond C. ; Van Bramer David John, Separation of CO.sub.2 from unsaturated fluorinated compounds by semipermeable membrane.
  22. Michael Pittroff DE; Thomas Schwarze DE; Heinz-Joachim Belt DE; Pierre Barthelemy BE, Separation of gases containing SF6.
  23. Kimoto, Masahiro; Koura, Terumasa; Fukuda, Yukio; Narazaki, Masaki; Hashimoto, Taiji; Sakai, Toru; Yokogi, Kazuo, Xenon retrieval system and retrieval device.
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