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Methods for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C02F-003/00
출원번호 US-0700381 (2003-11-04)
발명자 / 주소
  • Hunniford,David J.
  • Morano,David L.
  • Harshman,James Paul
출원인 / 주소
  • USFilter Corporation
인용정보 피인용 횟수 : 7  인용 특허 : 41

초록

A method and apparatus for treating wastewater streams by adding, either separately or as a mixture, a nitrate containing compound and an alkaline material in an amount sufficient to achieve a lower concentration of atmospheric hydrogen sulfide and dissolved sulfides downstream of the addition as co

대표청구항

What is claimed is: 1. A method of treating a wastewater stream, comprising acts of: (a) adding a nitrate-containing compound at a first position in the wastewater stream; (b) adding an alkaline material at a second position in the wastewater stream; (c) sensing a level of at least one of atmospher

이 특허에 인용된 특허 (41)

  1. O\Neill Eugene T. (Hightstown NJ) Kibbel ; Jr. William H. (Pennington NJ), Animal waste odor treatment.
  2. Weimer Paul J. (Madison WI) Odom James M. (Avondale PA) Cooling ; III Frederick B. (Wilmington DE) Anderson Albert G. (Wilmington DE), Anthraquinones as inhibitors of sulfide production from sulfate-reducing bacteria.
  3. Bartha Richard (East Brunswick NJ) Atlas Ronald M. (Louisville KY), Biodegradation of oil on water surfaces.
  4. Janssen Albert Joseph,NLX ; Lettinga Gatze,NLX ; Buisman Cees Jan Nico,NLX ; Bontsema Jan,NLX ; Van Straten Gerrit,NLX ; Kuenen Johannes Gijsbrecht,NLX ; De Zwart Jolyn Martha Maria,NLX, Biological treatment of spent caustics.
  5. Sublette Kerry L. (Tulsa OK), Biotreatment process for caustics containing inorganic sulfides.
  6. Richards Bruce E. (Streator IL) Goodart Tyrone G. (Peru IL) Vella Philip A. (Ottawa IL) Walton John R. (Ottawa IL), Composition and method for sulfide control.
  7. Richards Bruce E. (Streator) Goodart Tyrone G. (Peru) Vella Philip A. (Ottawa) Walton John R. (Ottawa IL), Composition and method for sulfide control.
  8. Lee Phillip G. (Galveston TX) Turk Philip E. (Galveston TX) Whitson John L. (Galveston TX), Controlled denitrification process and system.
  9. Weiss ; Josef, Elimination of odors from organic wastes.
  10. Tatnall Robert E. (Chadds Ford PA), Finely divided anthraquinone formulations as inhibitors of sulfide production from sulfate-reducing bacteria.
  11. Momont Joseph A. (Mosinee WI) Beula David A. (Weston WI) Copa William M. (Schofield WI), Low temperature caustic sulfide wet oxidation process.
  12. Vineyard, Mark K., Method and apparatus for pretreatment of wastewater streams by chemical oxidation.
  13. Mainz Eric L. ; Griffith David B., Method and composition for odor control.
  14. Fernholz Peter J. ; Ware Keith L., Method for controlling odor in waste handling systems.
  15. Walton, John R.; Duggan, Scott W.; Fagan, Michael R., Method for reducing hydrogen sulfide emissions from wastewater.
  16. Ballinger ; Jr. Kenneth E. ; Burger Edward D. ; Knauer Robert F., Method for reducing hydrogen sulfide level in water containing sulfate-reducing bacteria and hydrogen sulfide-metabolizing bacteria.
  17. Hyvik Henrik (Skien NOX) Eskilt Jan P. (Eidanger NOX) Hovland Jon (Skien NOX), Method for removing hydrogen sulphide from oil-containing water and equipment therefor.
  18. Barnes David (Caringbah AUX) Bliss Peter J. (North Ryde AUX), Method for the anaerobic degradation of organic material.
  19. Miller Thomas M. ; Shand Mark A., Method for the reduction and control of the release of gas and odors from sewage and waste water.
  20. Ishida Masahiko (Hitachi JPX) Haga Ryooichi (Hitachi JPX) Odawara Youji (Hitachi JPX), Method for treatment of biochemical waste.
  21. Edmondson James G. (Conroe TX), Method of scavenging hydrogen sulfide.
  22. Escrig Ignacio L. (Mayor ; 2 Villar del Arzobispo ; Valencia ESX), Method of sewage treatment.
  23. Sublette Kerry L. (Tulsa OK), Microbiological desulfurization of gases.
  24. Cassin Thomas R. (Newtown CT) Jex Victor B. (Scarsdale NY) Matulewicz William N. (Montgomery NY) McKenzie Dale A. (Ridgefield CT) Mohr Paul H. (Chappaqua NY), Organosiloxane-silicate copolymer antifreeze composition with nitrate corrosion inhibitor.
  25. Janssen Albert Jozef Hendrik,NLX ; Buisman Cees Jan Nico,NLX, Process for biological removal of sulphide.
  26. Kloster Heinz (Essen DT) Preusser Gerhard (Essen DT) Radusch Paul (Essen DT), Process for decontaminating sewage containing cyanide.
  27. 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.
  28. Hunniford David J. ; Davis H. Forbes, Process for removal of dissolved hydrogen sulfide and reduction of sewage BOD in sewer or other waste systems.
  29. Hunniford David J. ; Davis H. Forbes, Process for removal of dissolved hydrogen sulfide and reduction of sewage BOD in sewer or other waste systems.
  30. Merk Wolfgang (Tokyo JPX) Rink Karl-Heinz (Hanau DEX), Process for the elimination of hydrogen sulfide or iron sulfide from an aqueous system.
  31. Stone Michael D., Process for the removal and suppression of dissolved hydrogen sulfide and other malodorous compounds and reduction of a.
  32. Smith Kenneth C. (Lunga House ; Epping Rd. Roydon ; Essex GB2), Process for treatment of sewage in a gravity sewer.
  33. List David E. (Derby GB2), Sewage treatment composition its manufacture and use.
  34. Smith ; Kenneth Cecil ; Garrett ; Michael Ernest, Treatment of sewage.
  35. McLean John O. (Box 288-A ; Rte. 14 Richmond VA 23231), Use of acidified copper sulfate in hydrogen sulfide removal.
  36. Mouch Richard J. (Batavia IL) Song Peter (Midlothian IL), Use of alkali metal nitrites to inhibit H2S formation in flue gas desulfurization system sludges.
  37. Hudson Alice P. ; Peggs Sasha J., Use of bioaugmentation and a controlled release nitrate source to reduce hydrogen sulfide concentrations in wastewater systems.
  38. Miklos, Daniel Robert, Waste treatment with control over biological solids.
  39. Bowers Gregory S. (Easley SC), Waste water treatment method and apparatus.
  40. Knopp Paul V. (Wausau WI) Gitchel Wayne B. (Rothschild WI), Wastewater treatment.
  41. Semmens ; Michael J., Water purification process.

이 특허를 인용한 특허 (7)

  1. Simpson, Gregory D.; Holden, Glenn W., Composition for odor control.
  2. Matheis, Timothy Frank; Harshman, James Paul; Murphy, Michael Sumner, Slurry feed system and method.
  3. Matheis, Timothy F.; Morano, David L.; Harshman, James P., Synergistic methods for odor control.
  4. Simpson, Gregory D.; Holden, Glenn W., Systems and methods for wastewater odor control.
  5. Matheis, Timothy F.; Ward, Julie; Middleton, Winsel E.; Harshman, James P., Wastewater treatment methods.
  6. Matheis, Timothy F.; Ward, Julie; Middleton, Winsel E.; Harshman, James P., Wastewater treatment systems.
  7. Dennis, II, Richard; Rhodes, Jeffrey; Thomas, Edward; Marcukaitis, James, Water treatment control systems and methods of use.
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