NO20074114L - Fremgangsmate for overvakning av reststoffer av behandlingsmidler og kontroll av behandlingsmiddeldosering i vannbehandlingsprosesser - Google Patents

Fremgangsmate for overvakning av reststoffer av behandlingsmidler og kontroll av behandlingsmiddeldosering i vannbehandlingsprosesser

Info

Publication number
NO20074114L
NO20074114L NO20074114A NO20074114A NO20074114L NO 20074114 L NO20074114 L NO 20074114L NO 20074114 A NO20074114 A NO 20074114A NO 20074114 A NO20074114 A NO 20074114A NO 20074114 L NO20074114 L NO 20074114L
Authority
NO
Norway
Prior art keywords
treatment agent
treatment
control
agent dosage
water
Prior art date
Application number
NO20074114A
Other languages
English (en)
Inventor
Gopi Nath Sethumadhavan
Brian S Johnson
Original Assignee
Nalco Co
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
Priority claimed from US11/038,718 external-priority patent/US7910371B2/en
Application filed by Nalco Co filed Critical Nalco Co
Publication of NO20074114L publication Critical patent/NO20074114L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

Fremgangsmåter for overvåking av resterende behandlingsmiddel i behandlet vann der fluorosens intensitet i vannet ved minst to fiorskjellige doseringer av behandlingsmiddel tagget eller tracet med fluorescente tracere bhr korrelert med resterende konsentrasjon av behandlingsmiddel. Den fluorescente responsen ved fiorskjellige doseringer av behandlingsmiddel blir også anvendt til automatisk å bestemme en optimal dose av behandlingsmiddel på en kontinuerlig basis og å kontrollere dose av behandlingsmiddel tilsvarende.
NO20074114A 2005-01-20 2007-08-09 Fremgangsmate for overvakning av reststoffer av behandlingsmidler og kontroll av behandlingsmiddeldosering i vannbehandlingsprosesser NO20074114L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/038,718 US7910371B2 (en) 2005-01-20 2005-01-20 Method of monitoring treating agent residuals in water treatment processes
US11/331,864 US20060160227A1 (en) 2005-01-20 2006-01-13 Method of monitoring treating agent residuals and controlling treating agent dosage in water treatment processes
PCT/US2006/001948 WO2006078847A2 (en) 2005-01-20 2006-01-20 Method of monitoring treating agent residuals and controlling treating agent dosage in water treatment processes

Publications (1)

Publication Number Publication Date
NO20074114L true NO20074114L (no) 2007-08-09

Family

ID=36692880

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20074114A NO20074114L (no) 2005-01-20 2007-08-09 Fremgangsmate for overvakning av reststoffer av behandlingsmidler og kontroll av behandlingsmiddeldosering i vannbehandlingsprosesser

Country Status (6)

Country Link
EP (1) EP1839036A2 (no)
KR (1) KR20070097114A (no)
AU (1) AU2006206459A1 (no)
CA (1) CA2595337A1 (no)
NO (1) NO20074114L (no)
WO (1) WO2006078847A2 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130075331A1 (en) * 2010-06-10 2013-03-28 Ramila Hishantha Peiris Method for fluorescence-based fouling forecasting and optimization in membrane filtration operations
US20130233804A1 (en) * 2012-03-09 2013-09-12 Yanjiao Xie Application of fluorescent dyes to trace and quantify chemical dosage in industrial wastewater
WO2022076041A1 (en) * 2020-10-07 2022-04-14 Kemira Oyj Tagging agents, anti-scalant polymer compositions, and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556800A (de) * 1973-07-13 1974-12-13 Swissair Verfahren und anlage zur aufbereitung von abwasser zu brauchwasser.
US5705394A (en) * 1995-04-17 1998-01-06 Nalco Chemical Company Tagged epichlorohydrin-dimethylamine copolymers for use in wastewater treatment
AU6891498A (en) * 1998-04-07 1999-10-25 Nalco Chemical Company Use of fluorescence in pulp or papermaking process control

Also Published As

Publication number Publication date
KR20070097114A (ko) 2007-10-02
CA2595337A1 (en) 2006-07-27
AU2006206459A1 (en) 2006-07-27
EP1839036A2 (en) 2007-10-03
WO2006078847A2 (en) 2006-07-27
WO2006078847A3 (en) 2009-04-23

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application