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Trickling filter system for biological nutrient removal

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C02F-003/30
출원번호 US-0945189 (2001-08-31)
발명자 / 주소
  • Nasr, Sami M.
출원인 / 주소
  • O'Brien & Gere Engineers, Inc.
대리인 / 주소
    McGuire, George R.Hancock & Estabrook, LLP
인용정보 피인용 횟수 : 5  인용 특허 : 33

초록

The present invention provides a two stage process for treating wastewater that subjects the influent to anoxic and oxic filtering processes. The first stage performs anoxic nitrification i.e., the conversion of nitrate to nitrogen gas by bacteria operating in the absence of oxygen. Influent (efflue

대표청구항

1. A method of treating wastewater influent comprising the steps of: a. receiving said wastewater influent in a clarifying tank; b. passing said influent from said clarifier tank through an inlet positioned at the bottom of an anoxic filter tank having a sludge biomass positioned in contacting r

이 특허에 인용된 특허 (33)

  1. Ballnus Wilhelm (Finkenschlag DEX), Apparatus and process for biological wastewater treatment with controlled addition of carbonaceous organic substrates in.
  2. Keyser Gene E. (Jacksonville FL) Holcombe Don Marvin (Orange Park FL), Apparatus for removing suspended inert solids from a waste stream.
  3. Witt Enrique R. (Corpus Christi TX), Biological filter and process.
  4. Hawkins James M. (Charlotte NC) Wallis-Lage Cindy (Prairie Village KS), Biological nutrient removal process for treatment of wastewater.
  5. Spector Marshall L. (Emmaus PA), Biological process for enhanced removal of ammonia, nitrite, nitrate, and phosphate from wastewater.
  6. Chen Michael S. (Macungie PA) Greskovich Eugene J. (Allentown PA) Spector Marshall L. (Allentown PA), Control of activated sludge wastewater treating process for enhanced phosphorous removal.
  7. Lee Phillip G. (Galveston TX) Turk Philip E. (Galveston TX) Whitson John L. (Galveston TX), Controlled denitrification process and system.
  8. Kanow Peter E. (Richmond VA), Denitrification methods.
  9. Herding Walter (Hahnbach DEX) Vogel Peter (Ursula Poppenricht DEX) Rabenstein Klaus (Hahnbach-Suss DEX), Fixed-bed bioreactor and carrier body for purifying fluids.
  10. Keyser Gene E. (Jacksonville FL) Barnes Ellis O. (Jacksonville FL), Gas micronizer and purification system and related methods.
  11. Spector Marshall L. (Allentown PA), High nitrogen and phosphorous content biomass produced by treatment of a BOD-containing material.
  12. Goodley Mark D., Method and apparatus for denitrification of water.
  13. Desbos Gilbert (Maisons Laffitte FRX) Rey Philippe (Chelles FRX) Rogalla Frank (Paris FRX), Method and installation for purifying water using variably agitated denitrifying physical-chemical sludge.
  14. Keyser Gene E. ; Holcombe Donald Marvin, Method for removing suspended inert solids from a waste stream.
  15. Marsman Eric H. (Warnsveld NLX) Vlekke Garardus J. F. M. (Apeldoorn NLX) Urlings Leonardus G. C. M. (Hoevelaken NLX) Reitsma Berend A. H. (Deventer NLX), Method for the treatment of sewage.
  16. Sang Bae Han KR, Method of treating waste water for removing nitrogen and phosphorus and apparatus therefor.
  17. Fuchs Uwe (Munich DEX), Nitrification treatment of wastewater.
  18. Nicholas David M. (New Tripoli PA), Nitrogen and phosphorus removal from wastewater.
  19. Stoyer Ray L. (Irvine CA), Pressure pipe treatment for sewage.
  20. Fuchs Uwe (Munich DEX), Process and apparatus for the biological purification of wastewater.
  21. Habets Leonard Hubertus Alphonsus,NLX ; Driessen Wilhelmus Johannes Bernardus Maria,NLX, Process for aerobic treatment of waste water.
  22. Nielsen Marinus,DKX ; Dahl Claus Poulsen,DKX, Process for biological purification of waste water under sludge retention.
  23. Desbos Gilbert (Maisons-Laffitte FRX), Process for biologically purifying sewage on a bed of granular material.
  24. Spector Marshall L. (Allentown PA), Production of non-bulking activated sludge.
  25. Spector Marshall L. (Allentown PA), Production of non-bulking activated sludge.
  26. Parker Denny S. (Berkeley CA), Sewage treatment process.
  27. Marsland William P. (R.R. 3 ; Box 166 Spring Hill KS 66083), System and method for removing ammonia from wastewater.
  28. Schmid Lawrence A. (Manhattan KS), System for removing nutrients from wastewater.
  29. Nungesser Philip W. (Atlanta GA), Treatment of wastewater through enhanced biological phosphorus removal.
  30. Jordan Edward J. (Brighton MI) Irwin John L. (Ann Arbor MI), Waste treatment with nitrate removal.
  31. Couture Real,CAX ITX J3X 1L2 ; Tremblay Denis,CAX ITX J2W 1T5, Waste water treatment.
  32. Barnett Kenneth Edward,AUX, Wastewater treatment method and plant.
  33. Molof Alan H. ; Yun Zuwahn,KRX, Wastewater treatment process.

이 특허를 인용한 특허 (5)

  1. Tsutsumi, Masahiko; Obara, Takumi; Ashikaga, Nobuyuki; Yamamoto, Katsuya; Tamura, Hiroshi, Aeration-less water treatment apparatus.
  2. Patton, David W.; Lamb, Gerald Lee; Miller, Jamie Lee, De-nitrification treatment system and method.
  3. Arbel, Tamar; Assulin, Nir; Engelaar, Antonius Johannes Hendrikus Hyacinthus; Yalin, Tammy, Dynamic anaerobic aerobic (DANA) reactor.
  4. Assulin, Nir; Arbel, Tamar, Integrated biological wastewater treatment and clarification.
  5. Schechter, Ronen Itzhak; Assulin, Nir, Method and apparatus for simultaneous clarification and endogenous post denitifrication.
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