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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Wastewater treatment methods

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C02F-003/00   
미국특허분류(USC) 210/610; 210/614; 210/739; 210/754; 210/756; 210/758
출원번호 UP-0022959 (2008-01-30)
등록번호 US-7799224 (2010-10-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 3  인용 특허 : 122
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 method of treating waste, comprising: dosing a nitrate to a waste stream comprising at least one undesirable constituent; and dosing an oxidizer to the waste stream in an amount sufficient to inhibit floatation of the at least one undesirable constituent. 2. The method of claim 1, further comprising regulating flow of at least one of the waste stream, the nitrate and the oxidizer. 3. The method of claim 2, wherein the flow of the oxidizer is regulated to establish a residual level of the oxidizer in the waste stream. 4. T...

이 특허에 인용된 특허 (122)

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이 특허를 인용한 특허 피인용횟수: 3

  1. Corben, Tim; Franke, Wolfram; Ettl, Marina; Hilmers, Jan. Process to treat industrial wastewater. USP2016069376335.
  2. Matheis, Timothy Frank; Harshman, James Paul; Murphy, Michael Sumner. Slurry feed system and method. USP2013048430112.
  3. Matheis, Timothy F.; Morano, David L.; Harshman, James P.. Synergistic methods for odor control. USP2015038968646.

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