BR8003827A - Processo de remocao de incrustacoes - Google Patents

Processo de remocao de incrustacoes

Info

Publication number
BR8003827A
BR8003827A BR8003827A BR8003827A BR8003827A BR 8003827 A BR8003827 A BR 8003827A BR 8003827 A BR8003827 A BR 8003827A BR 8003827 A BR8003827 A BR 8003827A BR 8003827 A BR8003827 A BR 8003827A
Authority
BR
Brazil
Prior art keywords
removal process
incrustation
incrustation removal
removal
Prior art date
Application number
BR8003827A
Other languages
English (en)
Inventor
Inden Yoshimi
Kobayashi Kenji
Yamamoto Jiro
Kawamura Fumio
Okamoto Masaru
Fukuda Toshiro
Original Assignee
Kurita Water Ind Ltd
Sanyo Chemical Ind 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/ja
Priority claimed from JP9326479A external-priority patent/JPS5620169A/ja
Priority claimed from JP9668179A external-priority patent/JPS5623283A/ja
Application filed by Kurita Water Ind Ltd, Sanyo Chemical Ind Ltd filed Critical Kurita Water Ind Ltd
Publication of BR8003827A publication Critical patent/BR8003827A/pt

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)
BR8003827A 1979-06-19 1980-06-19 Processo de remocao de incrustacoes BR8003827A (pt)

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 (1)

Publication Number Publication Date
BR8003827A true BR8003827A (pt) 1981-01-13

Family

ID=27302509

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8003827A BR8003827A (pt) 1979-06-19 1980-06-19 Processo de remocao de incrustacoes

Country Status (3)

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

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501357B1 (fr) * 1981-03-04 1988-01-15 Permo Procede de desembouage des circuits dans les installations pour l'echange thermique a l'aide d'eau
US5032646A (en) * 1981-10-29 1991-07-16 Pfizer Inc. (Meth)acrylic acid/itaconic acid copolymers, their preparation and use as antiscalants
US4485223A (en) * 1981-10-29 1984-11-27 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 (da) * 1982-03-25 1983-09-26 Pfizer Fremgangsmaade til forebyggelse af stenagtige aflejringer i vand
US4451296A (en) * 1982-03-31 1984-05-29 Gaf Corporation Rust removal process
DE3226039C2 (de) * 1982-07-12 1993-09-30 Katayama Chemical Works Co Verwendung eines wasserlöslichen Copolymerisats zur Inhibierung von Kesselstein
US4936987A (en) * 1983-03-07 1990-06-26 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
CA1258963A (en) * 1983-03-07 1989-09-05 Bennett P. Boffardi Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
EP0121631B1 (en) * 1983-04-12 1988-08-10 Chemed Corporation Method of removing scale
US5180790A (en) * 1983-04-20 1993-01-19 Coatex S.A. Water soluble complexing agent for metallic cations
FR2544722B1 (fr) * 1983-04-20 1985-07-05 Coatex Sa Agent hydrosoluble de complexation des cations metalliques compose de terpolymeres acryliques disposant d'un haut pouvoir complexant et d'un effet de seuil eleve
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 (fr) * 1986-07-03 1989-04-07 Coatex Sa Compositions acides a hautes concentrations en matieres actives pour le traitement des eaux et/ou le nettoyage des installations les contenant
US4719082A (en) * 1986-08-15 1988-01-12 Nalco Chemical Company Vinyl sulfonic acid - methacrylic acid copolymer passivators for high pressure boilers
DE3861556D1 (de) * 1987-06-23 1991-02-21 Ciba Geigy Ag Verhinderung von ablagerungen.
EP0323405A3 (en) * 1987-12-28 1990-06-13 Ciba-Geigy Ag Photographic developing composition
EP0511850A1 (en) * 1991-04-30 1992-11-04 Calgon Corporation Terpolymer of itaconic acid for high PH scale control
JPH0663590A (ja) * 1992-06-29 1994-03-08 Japan Synthetic Rubber Co Ltd スケール除去剤及びそれを用いたスケール除去方法
GB9300983D0 (en) * 1993-01-19 1993-03-10 Unilever Plc Machine dishwashing and rinse aid compositions
DE19516957C2 (de) 1995-05-12 2000-07-13 Stockhausen Chem Fab Gmbh Wasserlösliche Copolymere und Verfahren zu ihrer Herstellung und ihre Verwendung
US6761774B2 (en) 2001-05-24 2004-07-13 Basf Corporation Composition and method for the in situ removal scale from a substrate
US20090020728A1 (en) * 2006-02-08 2009-01-22 Basf Se Method for controlling the thickening of aqueous systems
US8002119B2 (en) 2006-02-08 2011-08-23 Basf Se Control of the thickening of silicate-containing aqueous systems

Also Published As

Publication number Publication date
GB2054548A (en) 1981-02-18
GB2054548B (en) 1982-12-22
DE3022924A1 (de) 1981-01-22

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950619