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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Wastewater treatment systems

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C02F-003/00   
미국특허분류(USC) 210/143; 210/198.1
출원번호 UP-0495449 (2009-06-30)
등록번호 US-7799215 (2010-10-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 6  인용 특허 : 121
초록
▼

Systems and methods for wastewater treatment. A nitrate source may be dosed to a collection tank, such as a wet well, for downstream control of hydrogen sulfide levels in the wastewater. A source of a strong oxidizer may also be dosed to the wet well. The oxidizer, such as chlorite, may temporarily interrupt denitrification processes in the wet well to prevent floatation of undesirable constituents therein. The oxidizer dosage may be generally consistent with the nitrate dosage. An ORP sensor may facilitate regulation of dosing. The nitrate and the oxidi...

대표
청구항
▼

What is claimed is: 1. A biological waste treatment system, comprising: a waste stream comprising an undesirable constituent floatable in combination with a byproduct of the waste stream; a source of a nitrate fluidly connected to the waste stream; a source of an oxidizer fluidly connected to the waste stream; and a controller configured to dose the oxidizer to the waste stream in an amount sufficient to inhibit floatation of the solid waste material. 2. The system of claim 1, wherein the undesirable constituent comprises a fat, oil or grease. 3. T...

이 특허에 인용된 특허 (121)

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이 특허를 인용한 특허 피인용횟수: 6

  1. Hernandez-Mena, Roy; Cornelius, Simon; Kiolbassa, James. Bacterial additives for biological and/or chemical contaminants within water-based fluids. USP2017099751788.
  2. Hernandez-Mena, Roy. Nitrogen-containing compounds for bacterial control in water based fluids. USP2016079399591.
  3. Moon, Rodney Leonard; Sutherland, Martin Alexander; Forster-Knight, Andrew. Pressure sewer control system and method. USP2018019869430.
  4. Hutchings, Kevin. Reservoir control systems and methods. USP20190210216199.
  5. Matheis, Timothy Frank; Harshman, James Paul; Murphy, Michael Sumner. Slurry feed system and method. USP2013048430112.
  6. Matheis, Timothy F.; Morano, David L.; Harshman, James P.. Synergistic methods for odor control. USP2015038968646.

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