PT801032E - Estabilizadores para aditivos em sistemas aquosos que contem azono - Google Patents

Estabilizadores para aditivos em sistemas aquosos que contem azono

Info

Publication number
PT801032E
PT801032E PT97105790T PT97105790T PT801032E PT 801032 E PT801032 E PT 801032E PT 97105790 T PT97105790 T PT 97105790T PT 97105790 T PT97105790 T PT 97105790T PT 801032 E PT801032 E PT 801032E
Authority
PT
Portugal
Prior art keywords
water
additives
azon
stabilizers
soluble
Prior art date
Application number
PT97105790T
Other languages
English (en)
Inventor
Paul R Young
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
Application filed by Nalco Co filed Critical Nalco Co
Publication of PT801032E publication Critical patent/PT801032E/pt

Links

Classifications

    • 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
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
PT97105790T 1996-04-09 1997-04-08 Estabilizadores para aditivos em sistemas aquosos que contem azono PT801032E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/629,671 US5662803A (en) 1996-04-09 1996-04-09 Stabilizers for additives in aqueous systems containing ozone

Publications (1)

Publication Number Publication Date
PT801032E true PT801032E (pt) 2005-01-31

Family

ID=24524001

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97105790T PT801032E (pt) 1996-04-09 1997-04-08 Estabilizadores para aditivos em sistemas aquosos que contem azono

Country Status (6)

Country Link
US (1) US5662803A (pt)
EP (1) EP0801032B1 (pt)
AT (1) ATE276206T1 (pt)
DE (1) DE69730641T2 (pt)
ES (1) ES2227632T3 (pt)
PT (1) PT801032E (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5800732A (en) * 1997-02-07 1998-09-01 Diversey Lever, Inc. All-in-one treatment agent for cooling water
US6607694B1 (en) 2000-03-31 2003-08-19 Dober Chemical Corp. Controlled release coolant additive composition
US6878309B2 (en) * 2001-02-12 2005-04-12 Dober Chemical Corp. Controlled release cooling additive composition
JP2002273478A (ja) * 2001-03-21 2002-09-24 Jsr Corp スケール防止方法
WO2003018163A1 (en) 2001-08-24 2003-03-06 Dober Chemical Corporation Controlled release of additives in fluid systems
US6827750B2 (en) 2001-08-24 2004-12-07 Dober Chemical Corp Controlled release additives in fuel systems
US6835218B1 (en) 2001-08-24 2004-12-28 Dober Chemical Corp. Fuel additive compositions
US7938277B2 (en) 2001-08-24 2011-05-10 Dober Chemical Corporation Controlled release of microbiocides
WO2003072676A1 (en) * 2002-02-26 2003-09-04 Dober Chemical Corporation Additive compositions for cooling systems
TW574152B (en) * 2002-08-16 2004-02-01 Ind Tech Res Inst Chemistry mechanism of high concentration ozone/reaction liquid generation system and method
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
US20070131364A1 (en) * 2005-12-14 2007-06-14 University Of Maine Process for treating a cellulose-lignin pulp
US7563368B2 (en) 2006-12-12 2009-07-21 Cummins Filtration Ip Inc. Filtration device with releasable additive
US8591747B2 (en) 2008-05-27 2013-11-26 Dober Chemical Corp. Devices and methods for controlled release of additive compositions
US7883638B2 (en) 2008-05-27 2011-02-08 Dober Chemical Corporation Controlled release cooling additive compositions
US8702995B2 (en) 2008-05-27 2014-04-22 Dober Chemical Corp. Controlled release of microbiocides
US8361384B1 (en) 2008-08-01 2013-01-29 Aardvark Ip Holding, Llc Water treatment device and methods of use
US9187344B2 (en) 2008-08-01 2015-11-17 Silver Bullet Water Treatment Company, Llc Water treatment device and methods of use
EP2697168B1 (en) 2011-04-12 2018-01-03 Silver Bullet Water Treatment Company, LLC Water treatment systems and method using uv radiation
ES2788158T3 (es) * 2015-03-04 2020-10-20 Prestone Products Corp Composición de solución de aditivo superconcentrada

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2264103A (en) * 1936-06-06 1941-11-25 Procter & Gamble Process and product for softening hard water
US4032460A (en) * 1975-10-28 1977-06-28 Union Oil Company Of California Inhibition of scale deposition in high temperature wells
US4532047A (en) * 1984-06-29 1985-07-30 Nalco Chemical Company Silica inhibition: prevention of silica deposition by addition of low molecular weight organic compounds
US4711724A (en) * 1985-09-16 1987-12-08 Nalco Chemical Company Method for prevention of phosphonate decomposition by chlorine
US4975202A (en) * 1989-02-28 1990-12-04 Betz Laboratories, Inc. Surfactant stabilizer and method for boiler water
DK0451434T3 (da) * 1990-04-13 1994-12-05 Grace Dearborn N V Fremgangsmåde til regulering af aflejninger og korrosion i vandbehandlingssystemer
US5171451A (en) * 1991-05-28 1992-12-15 Nalco Chemical Company Simultaneous use of water soluble polymers with ozone in cooling water systems
US5180498A (en) * 1992-01-28 1993-01-19 Betz Laboratories, Inc. Polymers for the treatment of boiler water
US5449476A (en) * 1992-05-07 1995-09-12 Calgon Corporation Stabilization of aminomethylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides
US5415783A (en) * 1993-12-13 1995-05-16 Nalco Chemical Company Method for using ozone in cooling towers

Also Published As

Publication number Publication date
DE69730641D1 (de) 2004-10-21
DE69730641T2 (de) 2005-09-22
US5662803A (en) 1997-09-02
ES2227632T3 (es) 2005-04-01
ATE276206T1 (de) 2004-10-15
EP0801032A1 (en) 1997-10-15
EP0801032B1 (en) 2004-09-15

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