GB2023121A - Composition and method for scale inhibition - Google Patents

Composition and method for scale inhibition

Info

Publication number
GB2023121A
GB2023121A GB7920922A GB7920922A GB2023121A GB 2023121 A GB2023121 A GB 2023121A GB 7920922 A GB7920922 A GB 7920922A GB 7920922 A GB7920922 A GB 7920922A GB 2023121 A GB2023121 A GB 2023121A
Authority
GB
United Kingdom
Prior art keywords
composition
acid
scale inhibition
scale
hydroxyethylidene
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB7920922A
Other versions
GB2023121B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemed Corp
Original Assignee
Chemed 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 Chemed Corp filed Critical Chemed Corp
Publication of GB2023121A publication Critical patent/GB2023121A/en
Application granted granted Critical
Publication of GB2023121B publication Critical patent/GB2023121B/en
Expired legal-status Critical Current

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
    • C02F5/14—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)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Detergent Compositions (AREA)

Abstract

When a copolymer of styrene sulphonic acid and maleic anhydride or acid, and an organophosphonic acid especially 1-hydroxyethylidene-1,1-diphosphonic acid, are added to boiler water, the formation of scale is inhibited.
GB7920922A 1978-06-15 1979-06-15 Composition and method for scale inhibition Expired GB2023121B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91571378A 1978-06-15 1978-06-15

Publications (2)

Publication Number Publication Date
GB2023121A true GB2023121A (en) 1979-12-28
GB2023121B GB2023121B (en) 1982-08-25

Family

ID=25436161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7920922A Expired GB2023121B (en) 1978-06-15 1979-06-15 Composition and method for scale inhibition

Country Status (8)

Country Link
JP (1) JPS551897A (en)
CA (1) CA1114978A (en)
DE (1) DE2923718A1 (en)
ES (1) ES481476A1 (en)
FR (1) FR2431999A1 (en)
GB (1) GB2023121B (en)
IT (1) IT1121786B (en)
SE (1) SE431533B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306991A (en) 1979-09-18 1981-12-22 Chemed Corporation Scale inhibition
US4432879A (en) * 1979-10-23 1984-02-21 Dearborn Chemicals, Ltd. Treatment of aqueous systems
GB2127801A (en) * 1982-09-27 1984-04-18 Dearborn Chemicals Co Composition and method for inhibiting scale
GB2137185A (en) * 1983-02-16 1984-10-03 Dearborn Chemicals Co Composition and Method for Inhibiting Scale
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
US4576722A (en) * 1983-02-22 1986-03-18 The Mogul Corporation Scale and sludge compositions for aqueous systems
US4581145A (en) * 1982-09-27 1986-04-08 Dearborn Chemical Company Composition and method for inhibiting scale
EP0210590A2 (en) * 1983-03-07 1987-02-04 Calgon Corporation Polymeric additives for water
US4711740A (en) * 1983-04-22 1987-12-08 Lever Brothers Company Detergent compositions
WO1996033137A1 (en) * 1995-04-21 1996-10-24 Amtra Aquaristik Gmbh MEANS OF AND PROCESS FOR REGULATING THE HARDNESS AND THE pH VALUE OF THE WATER IN FRESH-WATER AQUARIA
WO2001040422A2 (en) * 1999-11-30 2001-06-07 Alticor Inc. Method of inhibiting soil redeposition

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT71647B (en) * 1979-08-16 1982-01-21 Calgon Corp Process for preparing a composition for the control of scale and deposits in gas-liquid separation
DE3230291A1 (en) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd., Widnes, Cheshire COMPOSITION FOR PREVENTING KETTLE IN AQUEOUS SYSTEMS
US4409192A (en) * 1982-04-26 1983-10-11 Betz Laboratories, Inc. Gas scrubbing methods
JPS58199877A (en) * 1982-05-03 1983-11-21 ナルコ・ケミカル・カンパニ− Composition and method of preventing corrosion of ferrous metal
JPS63176871A (en) * 1987-01-17 1988-07-21 Daihatsu Motor Co Ltd Lubricating device for transmission
EP0785174A1 (en) * 1996-01-22 1997-07-23 Monsanto Europe S.A./N.V. Use of triaminophosphonates in cement
CN107973425A (en) * 2017-12-13 2018-05-01 攀枝花钢城集团瑞天安全环保有限公司 Composite slow-corrosion scale resistor and preparation method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549538A (en) * 1967-06-22 1970-12-22 Nalco Chemical Co Scale inhibition and removal in steam generation
GB1414918A (en) * 1973-02-14 1975-11-19 Ciba Geigy Uk Ltd Treatment of water to prevent the deposition of scale
US3890228A (en) * 1973-04-13 1975-06-17 Chemed Corp Polyacrylate-polyphosphonic acid treatment in aqueous systems
IT1038850B (en) * 1974-06-10 1979-11-30 Grace W R & Co PROCESS FOR WATER TREATMENT
JPS5175681A (en) * 1974-12-26 1976-06-30 Chemed Corp MIZUJUNKANKEINITAISURU HORIAKURIRUSAN HOSUPPONSAN SHORIHO
CA1062983A (en) * 1975-09-08 1979-09-25 Joseph J. Schuck Copolymers for the control of the formation and deposition of materials in aqueous mediums
JPS5827349B2 (en) * 1975-11-25 1983-06-08 栗田工業株式会社 Corrosion prevention composition in aqueous systems
SE435456B (en) * 1976-01-07 1984-10-01 Calgon Corp COMPOSITION AND PROCEDURE TO CONTROL THE BUILDING OF THE FLAVOR IN GAS WASHER
GB1539974A (en) * 1976-11-10 1979-02-07 Ciba Geigy Ag Method of inhibiting corrosion and scaling of metals in contact with water
US4048066A (en) * 1976-11-17 1977-09-13 Chemed Corporation Method of inhibiting scale

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306991A (en) 1979-09-18 1981-12-22 Chemed Corporation Scale inhibition
US4432879A (en) * 1979-10-23 1984-02-21 Dearborn Chemicals, Ltd. Treatment of aqueous systems
US4581145A (en) * 1982-09-27 1986-04-08 Dearborn Chemical Company Composition and method for inhibiting scale
GB2127801A (en) * 1982-09-27 1984-04-18 Dearborn Chemicals Co Composition and method for inhibiting scale
GB2137185A (en) * 1983-02-16 1984-10-03 Dearborn Chemicals Co Composition and Method for Inhibiting Scale
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
US4576722A (en) * 1983-02-22 1986-03-18 The Mogul Corporation Scale and sludge compositions for aqueous systems
EP0210590A2 (en) * 1983-03-07 1987-02-04 Calgon Corporation Polymeric additives for water
EP0210590A3 (en) * 1983-03-07 1988-02-17 Calgon Corporation Polymeric additives for water
US4711740A (en) * 1983-04-22 1987-12-08 Lever Brothers Company Detergent compositions
WO1996033137A1 (en) * 1995-04-21 1996-10-24 Amtra Aquaristik Gmbh MEANS OF AND PROCESS FOR REGULATING THE HARDNESS AND THE pH VALUE OF THE WATER IN FRESH-WATER AQUARIA
WO2001040422A2 (en) * 1999-11-30 2001-06-07 Alticor Inc. Method of inhibiting soil redeposition
WO2001040422A3 (en) * 1999-11-30 2001-10-25 Alticor Inc Method of inhibiting soil redeposition
US6310031B1 (en) 1999-11-30 2001-10-30 Amway Corporation Method of inhibiting soil redeposition

Also Published As

Publication number Publication date
GB2023121B (en) 1982-08-25
JPS551897A (en) 1980-01-09
FR2431999B1 (en) 1985-05-10
ES481476A1 (en) 1980-07-01
FR2431999A1 (en) 1980-02-22
DE2923718A1 (en) 1979-12-20
IT7923459A0 (en) 1979-06-11
SE431533B (en) 1984-02-13
SE7905174L (en) 1979-12-16
CA1114978A (en) 1981-12-22
IT1121786B (en) 1986-04-23
JPS6152760B2 (en) 1986-11-14

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920615