NL6806248A - - Google Patents

Info

Publication number
NL6806248A
NL6806248A NL6806248A NL6806248A NL6806248A NL 6806248 A NL6806248 A NL 6806248A NL 6806248 A NL6806248 A NL 6806248A NL 6806248 A NL6806248 A NL 6806248A NL 6806248 A NL6806248 A NL 6806248A
Authority
NL
Netherlands
Application number
NL6806248A
Other versions
NL139135B (nl
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 filed Critical
Publication of NL6806248A publication Critical patent/NL6806248A/xx
Publication of NL139135B publication Critical patent/NL139135B/xx

Links

Classifications

    • 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
    • C02F5/12—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 containing nitrogen
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic 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
    • 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
    • C02F5/14—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 containing phosphorus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Detergent Compositions (AREA)
NL686806248A 1967-06-22 1968-05-02 Werkwijze ter bereiding van een middel voor het tegengaan van ketelsteen in stoomketels. NL139135B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64792067A 1967-06-22 1967-06-22

Publications (2)

Publication Number Publication Date
NL6806248A true NL6806248A (en:Method) 1968-12-23
NL139135B NL139135B (nl) 1973-06-15

Family

ID=24598777

Family Applications (1)

Application Number Title Priority Date Filing Date
NL686806248A NL139135B (nl) 1967-06-22 1968-05-02 Werkwijze ter bereiding van een middel voor het tegengaan van ketelsteen in stoomketels.

Country Status (6)

Country Link
US (1) US3549538A (en:Method)
BE (1) BE714672A (en:Method)
DE (1) DE1769226B2 (en:Method)
ES (1) ES353530A1 (en:Method)
GB (1) GB1216781A (en:Method)
NL (1) NL139135B (en:Method)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962110A (en) * 1970-10-19 1976-06-08 Texaco Inc. Process and composition for preventing scale build-up
US3666664A (en) * 1971-05-12 1972-05-30 Nalco Chemical Co Compositions and methods for controlling scale
US3965027A (en) * 1974-03-11 1976-06-22 Calgon Corporation Scale inhibition and corrosion inhibition
US4018702A (en) * 1974-03-11 1977-04-19 Calgon Corporation Corrosion inhibition with amine adducts of maleic anhydride polymers
US4008164A (en) * 1974-03-21 1977-02-15 Nalco Chemical Company Process for scale inhibition
US4079011A (en) * 1974-09-03 1978-03-14 Texaco Inc. Composition containing a polyvinylpyrrolidone and method for stimulating well production
US3956164A (en) * 1974-09-23 1976-05-11 Calgon Corporation Chelating agents
US4288327A (en) * 1975-09-08 1981-09-08 Betz Laboratories, Inc. Copolymers for the control of the formation and deposition of materials in aqueous mediums
US4007118A (en) * 1975-10-16 1977-02-08 Cubic Corporation Ozone oxidation of waste water
FR2415079A1 (fr) * 1978-01-23 1979-08-17 American Cyanamid Co Composition de polymeres anioniques utiles comme inhibiteurs des incrustations et antiprecipitants
CA1114978A (en) * 1978-06-15 1981-12-22 Chih M. Hwa Sludge conditioning composition for scale inhibition in water
US4325744A (en) * 1980-07-25 1982-04-20 The United States Of America As Represented By The Secretary Of The Navy Method and composition for cleaning metal surfaces with a film-forming composition
US4446045A (en) * 1981-04-01 1984-05-01 Betz Laboratories, Inc. Composition for treating aqueous mediums
DE3230291A1 (de) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd., Widnes, Cheshire Zusammensetzung zur verhinderung von kesselstein in waessrigen systemen
US4457847B2 (en) * 1981-11-05 1996-12-31 Nalco Chemical Co Carboxylate polymers for internal scale control agents in boiler systems
US4454046A (en) * 1982-09-07 1984-06-12 The Dow Chemical Company Boiler scale prevention employing an organic chelant
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
CA1224999A (en) * 1983-02-16 1987-08-04 Dionisio G. Cuisia Composition and method for inhibiting scale
DE3317126C2 (de) * 1983-05-06 1986-07-24 Mannesmann AG, 4000 Düsseldorf Verfahren zur Vermeidung von Säurekorrosion an Stranggießanlagen
EP0140519A1 (en) * 1983-09-02 1985-05-08 Pfizer Inc. Use of chelating agents in water desalination
US4721532A (en) * 1985-08-05 1988-01-26 W. R. Grace & Co. Removal of iron fouling in cooling water systems
GB2184109A (en) * 1985-10-29 1987-06-17 Grace W R & Co The treatment of aqueous systems
US4713195A (en) * 1986-01-30 1987-12-15 Aqua-Chem Inc. Scale inhibitor
NZ221349A (en) * 1986-08-15 1990-09-26 Calgon Corp Compositions for boiler scale inhibition comprising a low molecular weight (meth)acrylic acid polymer and a (meth)acrylic acid polymer more than double the molecular weight
US5183573A (en) * 1991-07-22 1993-02-02 W. R. Grace & Co.-Conn. Multipurpose scale preventer/remover
DE69506605T2 (de) * 1994-03-17 1999-07-08 Calgon Corp., Pittsburgh, Pa. Verfahren zur Kontrolle und zum Entfernen von einer Feststoffablagerung auf einer Oberfläche eines Dampferzeugungsanlagebestandteils
JP2941949B2 (ja) * 1994-09-26 1999-08-30 カルゴン ベスタル， インコーポレイテッド ステンレス鋼アルカリ処理
US6550487B1 (en) 2000-03-09 2003-04-22 Steris Inc. Apparatus for removing deposits from enclosed chambers
US6770150B1 (en) 2000-03-09 2004-08-03 Steris Inc. Process for removing deposits from enclosed chambers
US6341612B1 (en) 2000-03-09 2002-01-29 Steris Inc Two compartment container for neutralizing used cleaning solutions
RU2528540C1 (ru) * 2013-03-19 2014-09-20 Фёдор Фёдорович Чаусов Ингибитор коррозии и(или) солеотложений
US9920288B2 (en) 2014-07-11 2018-03-20 Diversey, Inc. Tablet dishwashing detergent and methods for making and using the same
US9139799B1 (en) * 2014-07-11 2015-09-22 Diversey, Inc. Scale-inhibition compositions and methods of making and using the same
CA3000989C (en) 2015-04-29 2023-05-09 Shutterfly, Inc Image product creation based on face images grouped using image product statistics
CN110127871B (zh) * 2019-05-21 2022-01-11 四川文理学院 一种新型阻垢剂及其应用
CN110028170B (zh) * 2019-05-21 2022-01-25 四川文理学院 一种高效阻垢剂及其应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2396938A (en) * 1944-01-22 1946-03-19 Martin Dennis Company Method of treating boilers
US2723956A (en) * 1950-09-26 1955-11-15 Nat Aluminate Corp Boiler scale reduction using a copolymer of maleic anhydride and another monoethylenic compound
US2783200A (en) * 1951-11-03 1957-02-26 Dearborn Chemicals Co Sludge conditioning and dispersing agents for boiler water treatment
US2980610A (en) * 1956-07-13 1961-04-18 Monsanto Chemicals Process for treating water
US3308065A (en) * 1963-07-22 1967-03-07 Dow Chemical Co Scale removal, ferrous metal passivation and compositions therefor
NL149551B (nl) * 1964-08-04 1976-05-17 Dow Chemical Co Werkwijze voor het reinigen en passiveren van ijzerhoudende metaaloppervlakken, waarop metallisch koper is afgezet.
US3296027A (en) * 1964-11-19 1967-01-03 Nalco Chemical Co Removal and inhibition of scale formation in steam generation
US3331773A (en) * 1966-07-22 1967-07-18 Grace W R & Co Process for inhibiting precipitation in water

Also Published As

Publication number Publication date
DE1769226A1 (de) 1971-11-11
GB1216781A (en) 1970-12-23
DE1769226B2 (de) 1973-01-18
BE714672A (en:Method) 1968-11-04
ES353530A1 (es) 1969-10-01
US3549538A (en) 1970-12-22
NL139135B (nl) 1973-06-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: NALCO