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특허 상세정보

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Wastewater treatment

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C02C-003/00   
미국특허분류(USC) 210/5 ; 210/10 ; 210/16
출원번호 US-0506977 (1974-09-18)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 39  인용 특허 : 0
초록

A method for the improvement of the biological removal of nitrogen from wastewater consisting of the partial oxidation of waste activated sludge and other carbonaceous material generating soluble BOD which may be substituted for methanol as an oxygen acceptor in biological denitrification.

대표
청구항
▼

In a process of nitrogen removal from wastewater comprising: a. mixing wastewater containing reduced nitrogenous compounds with active nitrifying organisms and an oxygen-containing gas for a sufficient length of time to convert substantially all of the nitrogenous material to the nitrate form and thereby produce a nitrified wastewater stream and accumulated biomass; b. separating said nitrifying organisms and accumulated biomass from said nitrified wastewater stream, recycling the separated nitrifying organisms and accumulated biomass to the nitrificatio...

이 특허를 인용한 특허 피인용횟수: 39

  1. Choi, Hong-Bok; Lee, Jae-Ki; Park, Ju-Hyung; Choi, Eun-Ju; Kim, Jeong-Rae. Apparatus and method for treating wastewater. USP2010067731850.
  2. Hunniford,David J.; Morano,David L.; Harshman,James Paul. Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater. USP2006117138049.
  3. Mehta, Sunil; Chowdhury, Nabin; Ubaldi, Richard; Schilling, Barbara; Lau, Antonio; Heiniger, Bruno. Biological-chemical treatment of liquid organic wastewater. USP2016029255022.
  4. Simpson, Gregory D.; Holden, Glenn W.. Composition for odor control. USP2011077972532.
  5. Kerpels, Fred; Luckman, Joel A.; Overdevest, Pieter E.; Wright, Tremitchell. Dry cleaning method. USP2010117837741.
  6. Luckman, Joel A.; Leitert, Andrew; Sunshine, Richard A.; Wright, Tremitchell L.. Fabric laundering apparatus adapted for using a select rinse fluid. USP2010067739891.
  7. Steven R. Woodruff. Food, animal, vegetable and food preparation byproduct treatment apparatus and process. USP2002106464875.
  8. Bhattacharyya Aniruddha (West Seneca NY). Method and apparatus for removing biodegradable compounds from wastewater. USP1981064271013.
  9. Hasegawa Susumu,JPX ; Katsura Kenji,JPX ; Miura Masahiko,JPX. Method and apparatus for treating organic waste water. USP2000106126828.
  10. Luckman, Joel A.; Wright, Tremitchell L.. Method for fluid recovery in a semi-aqueous wash process. USP2009047513004.
  11. Gallagher, Michael T.; Banaszak, James. Method of supporting denitrification. USP2010047695621.
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  14. Wright, Tremitchell L.; Luckman, Joel A.. Methods and apparatus to accelerate the drying of aqueous working fluids. USP2011067966684.
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  16. Oshima Eiji (No. 1460 Shukumachi ; Tosu-shi ; Saga-ken JPX) Matsufuji Mahisa (No. 7-16 ; Kasumigaoka 5-chome Higashi-ku ; Fukuoka-shi ; Fukuoka-ken JPX). Multi-unit flush system having carbon adsorber column in calcium carbonate bed. USP1990064933076.
  17. Wright,Tremitchell L.; Luckman,Joel A.. Multifunctioning method utilizing a two phase non-aqueous extraction process. USP2007117300468.
  18. Matsch Ladislas C. (Amherst NY) Drnevich Raymond F. (Clarence NY). Nitrification-denitrification of wastewater. USP1979114173531.
  19. Estes, Kurt A.; Conrad, Daniel C.; Kovich, Mark Bradley; Wright, Tremitchell L.. Non-aqueous washing apparatus and method. USP2012098262741.
  20. Conrad, Daniel C.; Wright, Tremitchell; Dalton, Michael T.; Estes, Kurt; Kovich, Mark B.; Leitert, Andrew J.; Lau, Brooke Lindsay Steel; Brown Green, Cinnamon S.; Krumbein, Holli; Maki, Kenyata Joi; Luckman, Joel A.; McAllister, Karl David; Wyatt Smith, Vicki Lyn. Non-aqueous washing machine and methods. USP2009057534304.
  21. Wright, Tremitchell; Conrad, Daniel C.; Deboer, Christopher C.; Dalton, Michael Thomas; Luckman, Joel A.; Leitert, Andrew J.; Lau, Brooke Lindsay-Steel; McAllister, Karl David. Non-aqueous washing machine and methods. USP2010047695524.
  22. Wright, Tremitchell L.; Conrad, Daniel C.; Krefman, Stephen David; Luckman, Joel A.; Sunshine, Richard A.; Leitert, Andrew. Non-aqueous washing machine with modular construction. USP2009047513132.
  23. Lasseur Christophe Andre Antoine,NLX ; Richalet Jacques Ernest Nicolas,FRX ; Verstraete Willy Henry,BEX. Organic waste processing method, and uses thereof. USP2000066077548.
  24. Hunniford David J. (Tallevast FL) Davis H. Forbes (Tallevast FL). Process for removal of dissolved hydrogen sulfide and reduction of sewage BOD in sewer or other waste systems. USP1990034911843.
  25. Hunniford David J. ; Davis H. Forbes. Process for removal of dissolved hydrogen sulfide and reduction of sewage BOD in sewer or other waste systems. USP200105RE37181.
  26. Hunniford David J. ; Davis H. Forbes. Process for removal of dissolved hydrogen sulfide and reduction of sewage BOD in sewer or other waste systems. USP200004RE36651.
  27. Ishida Masahiko (Hitachi JPX) Haga Ryooichi (Hitachi JPX) Odawara Youji (Hitachi JPX). Process for tertiary treatment of waste waters from anaerobic digestion treatment process. USP1979014137158.
  28. Williamson Ronald E. (Hillsborough NC). Process for treating wastewater. USP1991065022993.
  29. Spratt Marc M. (Kalispell MT) Harvey Geoffrey W. (White Fish MT) Jackola Thor A. (Kalispell MT). Sewage treatment method. USP1989054826601.
  30. Matheis, Timothy Frank; Harshman, James Paul; Murphy, Michael Sumner. Slurry feed system and method. USP2013048430112.
  31. Matheis, Timothy F.; Morano, David L.; Harshman, James P.. Synergistic methods for odor control. USP2015038968646.
  32. Patrick T. Gates ; Todd M. Gates. System and method for treating sanitary wastewater for on-site disposal. USP2002096444126.
  33. Harshman,James Paul; Hunniford,David J.; Morano,David L.. System for controlling sulfide generation. USP2008027326340.
  34. Gallagher, Michael T.; Banaszak, James. System for supporting denitrification. USP2009087572369.
  35. Simpson, Gregory D.; Holden, Glenn W.. Systems and methods for wastewater odor control. USP2009067553420.
  36. O'Regan, Jr., Patrick T.. Systems and methods for water treatment and remediation. USP2012088246829.
  37. Matheis, Timothy F.; Ward, Julie; Middleton, Winsel E.; Harshman, James P.. Wastewater treatment methods. USP2010097799224.
  38. Martin Joseph P. (252 Sagamore Rd. Havertown PA 19083) Zitomer Kenneth J. (6340 N. 7th St. Philadelphia PA 19126). Wastewater treatment system. USP1990014892658.
  39. Matheis, Timothy F.; Ward, Julie; Middleton, Winsel E.; Harshman, James P.. Wastewater treatment systems. USP2010097799215.

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