GB2054548B - Scale removal - Google Patents

Scale removal

Info

Publication number
GB2054548B
GB2054548B GB8019901A GB8019901A GB2054548B GB 2054548 B GB2054548 B GB 2054548B GB 8019901 A GB8019901 A GB 8019901A GB 8019901 A GB8019901 A GB 8019901A GB 2054548 B GB2054548 B GB 2054548B
Authority
GB
United Kingdom
Prior art keywords
scale removal
removal
scale
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.)
Expired
Application number
GB8019901A
Other versions
GB2054548A (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.)
Kurita Water Industries Ltd
Sanyo Chemical Industries Ltd
Original Assignee
Kurita Water Industries Ltd
Sanyo Chemical Industries Ltd
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 JP7775679A external-priority patent/JPS562897A/en
Priority claimed from JP9326479A external-priority patent/JPS5620169A/en
Priority claimed from JP9668179A external-priority patent/JPS5623283A/en
Application filed by Kurita Water Industries Ltd, Sanyo Chemical Industries Ltd filed Critical Kurita Water Industries Ltd
Publication of GB2054548A publication Critical patent/GB2054548A/en
Application granted granted Critical
Publication of GB2054548B publication Critical patent/GB2054548B/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
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—Carboxylic acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Metallurgy (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
GB8019901A 1979-06-19 1980-06-18 Scale removal Expired GB2054548B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7775679A JPS562897A (en) 1979-06-19 1979-06-19 Scale removing agent
JP9326479A JPS5620169A (en) 1979-07-24 1979-07-24 Scale inhibitor
JP9668179A JPS5623283A (en) 1979-07-31 1979-07-31 Scale preventing and removing agent

Publications (2)

Publication Number Publication Date
GB2054548A GB2054548A (en) 1981-02-18
GB2054548B true GB2054548B (en) 1982-12-22

Family

ID=27302509

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8019901A Expired GB2054548B (en) 1979-06-19 1980-06-18 Scale removal

Country Status (3)

Country Link
BR (1) BR8003827A (en)
DE (1) DE3022924A1 (en)
GB (1) GB2054548B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501357B1 (en) * 1981-03-04 1988-01-15 Permo PROCESS FOR CLEARING CIRCUITS IN THERMAL EXCHANGE PLANTS USING WATER
US4485223A (en) * 1981-10-29 1984-11-27 Pfizer Inc. (Meth)acrylic acid/itaconic acid copolymers, their preparation and use as antiscalants
US5032646A (en) * 1981-10-29 1991-07-16 Pfizer Inc. (Meth)acrylic acid/itaconic acid copolymers, their preparation and use as antiscalants
AU555892B2 (en) * 1981-11-05 1986-10-16 Nalco Chemical Company Carboxylate polymers for internal scale control agents in boiler systems
DK65983A (en) * 1982-03-25 1983-09-26 Pfizer PROCEDURE FOR PREVENTING STONEY DETAILS IN WATER
US4451296A (en) * 1982-03-31 1984-05-29 Gaf Corporation Rust removal process
DE3226039C2 (en) * 1982-07-12 1993-09-30 Katayama Chemical Works Co Use of a water-soluble copolymer for the inhibition of scale
DE3475700D1 (en) * 1983-03-07 1989-01-26 Calgon Corp Polymeric additives for water
US4936987A (en) * 1983-03-07 1990-06-26 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
AU563415B2 (en) * 1983-04-12 1987-07-09 Diversey Corporation Descaling heat exchangers with polyacrylate solution
FR2544722B1 (en) * 1983-04-20 1985-07-05 Coatex Sa WATER-SOLUBLE METAL CATION COMPLEX AGENT COMPOSED OF ACRYLIC TERPOLYMERS HAVING HIGH COMPLEX POWER AND HIGH THRESHOLD EFFECT
US5180790A (en) * 1983-04-20 1993-01-19 Coatex S.A. Water soluble complexing agent for metallic cations
US4640793A (en) * 1984-02-14 1987-02-03 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4536292A (en) * 1984-03-26 1985-08-20 Calgon Corporation Carboxylic/sulfonic/quaternary ammonium polymers for use as scale and corrosion inhibitors
US4622370A (en) * 1984-05-01 1986-11-11 Diamond Shamrock Chemicals Company Aqueous drilling fluids containing fluid loss additives
FR2601030B1 (en) * 1986-07-03 1989-04-07 Coatex Sa ACID COMPOSITIONS WITH HIGH CONCENTRATIONS OF ACTIVE MATERIALS FOR THE TREATMENT OF WATER AND / OR THE CLEANING OF THE FACILITIES CONTAINING THEM
US4719082A (en) * 1986-08-15 1988-01-12 Nalco Chemical Company Vinyl sulfonic acid - methacrylic acid copolymer passivators for high pressure boilers
EP0297049B1 (en) * 1987-06-23 1991-01-16 Ciba-Geigy Ag Scale inhibition
EP0323405A3 (en) * 1987-12-28 1990-06-13 Ciba-Geigy Ag Photographic developing composition
CA2067533A1 (en) * 1991-04-30 1992-10-31 Monica Yorke Terpolymer of itaconic acid for high ph scale control
JPH0663590A (en) * 1992-06-29 1994-03-08 Japan Synthetic Rubber Co Ltd Scale removing agent and scale removing method using the same
GB9300983D0 (en) * 1993-01-19 1993-03-10 Unilever Plc Machine dishwashing and rinse aid compositions
DE19516957C2 (en) 1995-05-12 2000-07-13 Stockhausen Chem Fab Gmbh Water-soluble copolymers and process for their preparation and their use
US6761774B2 (en) 2001-05-24 2004-07-13 Basf Corporation Composition and method for the in situ removal scale from a substrate
CN101378999B (en) * 2006-02-08 2011-09-21 巴斯夫欧洲公司 Method for controlling the thickening of aqueous systems
EP1986960A2 (en) 2006-02-08 2008-11-05 Basf Se Control of the thickening of silicate-containing aqueous systems
WO2026060163A1 (en) * 2024-09-16 2026-03-19 Bl Technologies, Inc. Cleaning composition and method for removing scale deposits in desalination applications

Also Published As

Publication number Publication date
BR8003827A (en) 1981-01-13
GB2054548A (en) 1981-02-18
DE3022924A1 (en) 1981-01-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980618