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특허 상세정보

Air diffuser membrane treated with biocide

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01F-003/04   
미국특허분류(USC) 261/122.2; 261/124; 261/DIG.070; 210/220
출원번호 US-0976498 (2001-10-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Shook, Hardy & Bacon L.L.P.
인용정보 피인용 횟수 : 29  인용 특허 : 18
초록

A fine bubble diffuser membrane used in the aeration of wastewater is treated with biocide to inhibit growth and accumulation of biological materials on the membrane. The membrane may be constructed of EPDM rubber or urethane. The biocide may be carbolic acid either dispersed throughout the membrane or applied as a coating on the surface of the membrane exposed to the wastewater. The membrane is a flexible and elastic structure impervious to liquid and provided with slits that close to prevent wastewater inflow in the absence of aeration and open in resp...

대표
청구항

1. A diffuser membrane for applying air to wastewater for aeration of the wastewater, said membrane comprising: a flexible and elastic membrane wall which is impervious to the passage of liquid therethrough; a plurality of aeration slits in said membrane wall which are normally closed to prevent passage of the wastewater therethrough but which open when air under pressure is applied to said membrane wall so that air can pass through said slits into the wastewater; and a biocide applied to said membrane wall to resist biological growth thereon. 2. ...

이 특허에 인용된 특허 (18)

  1. Dickman Daniel H. ; Vollmer Ted K. Aeration diffuser. USP2001076264176.
  2. McElvaney James D.. Anaerobic digester system and method. USP2001076254775.
  3. Waite Warren A. (Burlington MA) Viklund Hans I. (Marlboro MA). Anti-fouling semi-permeable membrane system. USP1992045102547.
  4. Kevin D. Landgrebe ; John J. Stofko ; Sheila A. Tesch ; John C. Loperfido ; David J. Hastings CA; Thomas J. Packard ; Matthew T. Scholz ; Linda K. Olson ; Kaveh Pournoor ; Monserrat R. Lalon. Antimicrobial composition containing photosensitizers articles, and methods of use. USP2002076420455.
  5. Patil Arvind S.. Antimicrobial filter cartridge. USP2001016171496.
  6. Kriebel John E. (Souderton PA). Apparatus for diffusing gases into liquids. USP1984124489016.
  7. Vaughn Walter L. (Lake Jackson TX) McKeand ; Jr. Thomas J. (Clute TX) Patton Robert T. (Lake Jackson TX). Biocidal fluid filters. USP1991045006267.
  8. Stanton Robert J. (Walworth NY) Sheckler Chad A. (Newark NY). Biofouling resistant apparatus for wastewater treatment. USP1989074851163.
  9. Wyss Robert J. (5858 N. Main St. Dayton OH 45405). Diffuser device. USP1976083977606.
  10. Thomas Urie Lawson AU; Mark Monier Michael AU. Diffuser for aerating a fluid. USP2002066406005.
  11. Udo Meyer AT. Flotation plant. USP2002026344147.
  12. Zeppenfeld Reiner (Allison Park PA). Gas diffuser. USP1992035093047.
  13. Downs Ernest W.. Heat exchanger for aeration tank. USP1998095800705.
  14. Troy D. Schmidtke. Mass transfer system. USP2002036355096.
  15. Shlenker Robin Renee Thill (Malibu CA) Lester David J. (Littleton CO) Solomons Clive C. (Denver CO) Plamthottam Sebastian S. (Upland CA). Method of forming a membrane, especially a latex or polymer membrane, including multiple discrete layers. USP1997105679399.
  16. Keith G. Koerber ; John Effenberger ; Christopher Comeaux. Pore-containing web for diffusing fluids. USP2002076425821.
  17. Oberhofer Alfred W. (Downers Grove IL). Treatment and prevention of fouled water treatment solids. USP1988094770790.
  18. Tharp Charles E. (Columbia MO). Tubular diffuser with adjustable plug. USP1991105059358.

이 특허를 인용한 특허 피인용횟수: 29

  1. Livingston, Dennis; Boucher, Douglas John; Funakubo, Noboru; Lewis, Christopher Bryan. Adjustable variable bubble size aeration for submerged membrane air scour. USP2018019862628.
  2. Liebendorfer,John E.. Apparatus and method for positioning a module on an object. USP2007087260918.
  3. Husain, Hidayat; Mazzaferro, Rocco; Liu, Minggang; Wong, Richard; Lossing, Heather; Fan, Fengshen; Hong, Youngseck; Bayly, Reid. Bioreactor with suspended biomass and membrane supported biofilm. USP2015038986540.
  4. Kritzler, Steven. Biostatic filter. USP2004106802891.
  5. Kritzler,Steven. Chemical upgrading of filters. USP2007067232475.
  6. Meier,Ernst August; Gomez Kerber,Giancarlo; Muchorowski,Janusz; Krause,Karl Heinz; Merkmann,Gerhard. Clarification basin membrane. USP2006077080828.
  7. Manzone,Rodolfo B.. Dual-action decontamination method. USP2007067229559.
  8. Manzone, Rodolfo B.. Dual-action decontamination system. USP2004036712976.
  9. Hinde, John N.. Fine bubble delivery for potable water, wastewater, and clean water treatment. USP2012038132794.
  10. Hinde, John N.. Fine bubble delivery for potable water, wastewater, and clean water treatment. USP2013018348247.
  11. Sebastiani,Charles Salvatore; Kerr,Charles William; Roberts,R. Lee. Fluid distribution system and associated methods. USP2006037014176.
  12. Tharp, Charles E.. Gas diffuser membrane with coated substrate. USP2012058172207.
  13. Tharp, Charles E.. Gas diffuser membrane with coated substrate. USP2010107815974.
  14. Liebendorfer, John E.. Low profile mounting system. USP2009107600349.
  15. Liebendorfer, John E.. Low profile mounting system. USP2014028640400.
  16. Tharp,Charles E.. Membrane diffuser with uniform gas distribution. USP2006057044453.
  17. Husain, Hidayat; Mazzaferro, Rocco; Liu, Minggang; Wong, Richard; Lossing, Heather; Fan, Fengshen; Hong, Youngseck; Bayly, Reid. Membrane supported biofilm apparatus. USP2013098528745.
  18. Husain, Hidayat; Mazzaferro, Rocco; Liu, Minggang; Wong, Richard; Lossing, Heather; Fan, Fengshen; Hong, Youngseck; Bayly, Reid. Membrane supported biofilm apparatus. USP2017019556046.
  19. Liebendorfer, John E.. Method of manufacturing and installing a low profile mounting system. USP2010077748175.
  20. Manzone,Rodolfo B.. Methods of making dual-action decontamination media. USP2006107125823.
  21. Tharp, Charles E.; Chann, Randall C.; Hulsebus, Randy K.. Modular diffuser body and aeration system. USP2015018931763.
  22. Frankel, Thomas E; Kang, Seoungil; Ritter, Todd D; Kim, Hong-suk. Multiple layered membrane with thin fluorine containing polymer layer. USP2010037674514.
  23. Cote, Pierre Lucien; Husain, Hidayat; Behmann, Henry. Process for providing oxygen to a liquid. USP2010047699985.
  24. Husain, Hidayat; Mazzaferro, Rocco; Liu, Minggang; Wong, Richard; Lossing, Heather; Fan, Fengshen; Hong, Youngseck; Bayly, Reid. Process of treating water using a gas permeable membrane-supported biofilm apparatus. USP2014068758619.
  25. Liebendorfer, John E.. System for mounting a photovoltaic module to a surface. USP2010087766292.
  26. Liebendorfer, John E.. System for mounting a photovoltaic module to a surface. USP2014078763968.
  27. Liebendorfer, John E.. System for mounting a photovoltaic module to a surface. USP2012038128044.
  28. Liebendorfer,John E.. System for removably and adjustably mounting a device on a surface. USP2008107434362.
  29. Frankel, Thomas E.; Kang, Seoungil; Ritter, Todd D.. Tube diffuser. USP2016099440200.