WO2009099575A3 - Wastewater treatment systems and methods - Google Patents

Wastewater treatment systems and methods Download PDF

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Publication number
WO2009099575A3
WO2009099575A3 PCT/US2009/000639 US2009000639W WO2009099575A3 WO 2009099575 A3 WO2009099575 A3 WO 2009099575A3 US 2009000639 W US2009000639 W US 2009000639W WO 2009099575 A3 WO2009099575 A3 WO 2009099575A3
Authority
WO
WIPO (PCT)
Prior art keywords
oxidizer
wet well
dosed
nitrate
methods
Prior art date
Application number
PCT/US2009/000639
Other languages
French (fr)
Other versions
WO2009099575A2 (en
Inventor
Timothy F. Matheis
Julie Ward
Winsel E. Middleton
James P. Harshman
Original Assignee
Siemens Water Technologies Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Water Technologies Corp. filed Critical Siemens Water Technologies Corp.
Priority to AU2009210768A priority Critical patent/AU2009210768B2/en
Priority to EP09708927A priority patent/EP2238082A2/en
Priority to CA2713499A priority patent/CA2713499C/en
Publication of WO2009099575A2 publication Critical patent/WO2009099575A2/en
Publication of WO2009099575A3 publication Critical patent/WO2009099575A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/006—Regulation methods for biological treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/03—Pressure
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/04—Oxidation reduction potential [ORP]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/11—Turbidity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/15—N03-N
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/26—H2S

Abstract

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 oxidizer may be present in a single mixture to be dosed to the wet well.
PCT/US2009/000639 2008-01-30 2009-01-30 Wastewater treatment systems and methods WO2009099575A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2009210768A AU2009210768B2 (en) 2008-01-30 2009-01-30 Wastewater treatment systems and methods
EP09708927A EP2238082A2 (en) 2008-01-30 2009-01-30 Wastewater treatment systems and methods
CA2713499A CA2713499C (en) 2008-01-30 2009-01-30 Wastewater treatment systems and methods

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/022,959 US7799224B2 (en) 2008-01-30 2008-01-30 Wastewater treatment methods
US12/022,959 2008-01-30

Publications (2)

Publication Number Publication Date
WO2009099575A2 WO2009099575A2 (en) 2009-08-13
WO2009099575A3 true WO2009099575A3 (en) 2016-03-24

Family

ID=40898140

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/000639 WO2009099575A2 (en) 2008-01-30 2009-01-30 Wastewater treatment systems and methods

Country Status (5)

Country Link
US (2) US7799224B2 (en)
EP (1) EP2238082A2 (en)
AU (1) AU2009210768B2 (en)
CA (1) CA2713499C (en)
WO (1) WO2009099575A2 (en)

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US7285217B2 (en) 2003-12-02 2007-10-23 Siemens Water Technologies Corp. Removing odoriferous sulfides from wastewater
US7799224B2 (en) 2008-01-30 2010-09-21 Siemens Water Technologies Corp. Wastewater treatment methods
US8430112B2 (en) 2010-07-13 2013-04-30 Siemens Industry, Inc. Slurry feed system and method
US10435316B2 (en) 2010-09-30 2019-10-08 Orange County Sanitation District Chemical optimization during wastewater treatment, odor control and uses thereof
US8968646B2 (en) 2011-02-18 2015-03-03 Evoqua Water Technologies Llc Synergistic methods for odor control
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EP3910121A1 (en) 2012-03-14 2021-11-17 South East Water Corporation Pressure sewer network monitoring and control system
KR101534562B1 (en) * 2013-06-07 2015-07-08 서울시립대학교 산학협력단 chlorine detecting reagent and the detecting kit and the chlorine detecting method
CA2916331C (en) 2013-09-10 2022-01-11 South East Water Corporation Reservoir control systems and methods
US9751788B2 (en) 2014-05-02 2017-09-05 Baker Hughes Incorporated Bacterial additives for biological and/or chemical contaminants within water-based fluids
US9399591B2 (en) 2014-05-02 2016-07-26 Baker Hughes Incorporated Nitrogen-containing compounds for bacterial control in water based fluids
NZ630446A (en) 2014-09-03 2015-02-27 South East Water Corp Monitoring systems and methods

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US7799224B2 (en) 2010-09-21
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US7799215B2 (en) 2010-09-21
AU2009210768B2 (en) 2014-02-06
EP2238082A2 (en) 2010-10-13
US20090188859A1 (en) 2009-07-30
WO2009099575A2 (en) 2009-08-13
CA2713499C (en) 2014-07-29

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