FR2371526A1 - Procede empechant l'entartrage, notamment des chaudieres - Google Patents

Procede empechant l'entartrage, notamment des chaudieres

Info

Publication number
FR2371526A1
FR2371526A1 FR7727448A FR7727448A FR2371526A1 FR 2371526 A1 FR2371526 A1 FR 2371526A1 FR 7727448 A FR7727448 A FR 7727448A FR 7727448 A FR7727448 A FR 7727448A FR 2371526 A1 FR2371526 A1 FR 2371526A1
Authority
FR
France
Prior art keywords
boilers
preventing scaling
acid
ppm
salt
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
FR7727448A
Other languages
English (en)
Other versions
FR2371526B1 (fr
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 FR2371526A1 publication Critical patent/FR2371526A1/fr
Application granted granted Critical
Publication of FR2371526B1 publication Critical patent/FR2371526B1/fr
Granted 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

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Selon l'invention, on ajoute à l'eau d'alimentation un acide polystyrène-sulfonique ou son sel de sodium, de préférence avec addition d'acide acrylique, méthacrylique ou maléique ou d'un sel d'un tel acide. La quantité d'additif introduit est de préférence comprise entre 0,2 ppm et 50 ppm par rapport à l'eau à traiter.
FR7727448A 1976-11-17 1977-09-12 Procede empechant l'entartrage, notamment des chaudieres Granted FR2371526A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/742,521 US4048066A (en) 1976-11-17 1976-11-17 Method of inhibiting scale

Publications (2)

Publication Number Publication Date
FR2371526A1 true FR2371526A1 (fr) 1978-06-16
FR2371526B1 FR2371526B1 (fr) 1982-01-08

Family

ID=24985154

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7727448A Granted FR2371526A1 (fr) 1976-11-17 1977-09-12 Procede empechant l'entartrage, notamment des chaudieres

Country Status (9)

Country Link
US (1) US4048066A (fr)
JP (2) JPS53134780A (fr)
CA (1) CA1087957A (fr)
DE (1) DE2740671A1 (fr)
ES (1) ES462289A1 (fr)
FR (1) FR2371526A1 (fr)
GB (1) GB1544586A (fr)
IT (1) IT1086358B (fr)
SE (1) SE426940B (fr)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4147627A (en) * 1977-02-07 1979-04-03 American Cyanamid Company Process for scale control using mixtures of polycationic and polyanionic polymers
CA1114978A (fr) * 1978-06-15 1981-12-22 Chih M. Hwa Composition et methode de traitement pour la prevention de la formation du tartre
JPS55129200A (en) * 1979-03-29 1980-10-06 Kurita Water Ind Ltd Scale inhibitor for calcium chloride brine
US4306991A (en) * 1979-09-18 1981-12-22 Chemed Corporation Scale inhibition
US4255259A (en) * 1979-09-18 1981-03-10 Chemed Corporation Scale inhibition
CA1151498A (fr) * 1979-10-23 1983-08-09 Dearborn Chemicals Ltd. Traitement des systemes aqueux
JPS5673600A (en) * 1979-11-22 1981-06-18 Japan Organo Co Ltd Preventing method of scale in water
US4446045A (en) * 1981-04-01 1984-05-01 Betz Laboratories, Inc. Composition for treating aqueous mediums
US4374733A (en) * 1981-04-01 1983-02-22 Betz Laboratories, Inc. Method 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
JPS5884099A (ja) * 1981-11-05 1983-05-20 ナルコ・ケミカル・カンパニ− ボイラ−水のスケ−ル防止処理方法
AU555892B2 (en) * 1981-11-05 1986-10-16 Nalco Chemical Company Carboxylate polymers for internal scale control agents in boiler systems
US4457847B2 (en) * 1981-11-05 1996-12-31 Nalco Chemical Co Carboxylate polymers for internal scale control agents in boiler systems
US4588519A (en) * 1982-01-29 1986-05-13 Dearborn Chemical Company Method of inhibiting corrosion of iron base metals
US4663053A (en) * 1982-05-03 1987-05-05 Betz Laboratories, Inc. Method for inhibiting corrosion and deposition in aqueous systems
US4545920A (en) * 1982-05-28 1985-10-08 Nalco Chemical Company Boiler water treating compositions
US4576722A (en) * 1983-02-22 1986-03-18 The Mogul Corporation Scale and sludge compositions for aqueous systems
EP0122013B1 (fr) * 1983-03-07 1988-12-21 Calgon Corporation Additifs polymères pour l'eau
US4936987A (en) * 1983-03-07 1990-06-26 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4604211A (en) * 1985-01-29 1986-08-05 Nalco Chemical Company Acrylic acid-sodium vinylsulfonate-vinyl acetate terpolymer and use thereof as a dispersant
US4710303A (en) * 1986-08-14 1987-12-01 Nalco Chemical Company Low molecular weight polyvinyl sulfonate for low pH barium sulfate scale control
US4925568A (en) * 1986-08-15 1990-05-15 Calgon Corporation Polyacrylate blends as boiler scale inhibitors
US4717542A (en) * 1987-01-23 1988-01-05 W. R. Grace & Co. Inhibiting corrosion of iron base metals
US4899398A (en) * 1987-06-08 1990-02-13 The Drackett Company In-tank toilet dispenser
US4787984A (en) * 1987-06-08 1988-11-29 The Drackett Company Cleaning composition and its method of use
US5053161A (en) * 1988-06-10 1991-10-01 The Mogul Corporation Composition for inhibiting scale in water systems
US4978456A (en) * 1988-06-10 1990-12-18 The Mogul Corporation Method for inhibiting scale and corrosion in water systems
US5124047A (en) * 1990-11-01 1992-06-23 W. R. Grace & Co.-Conn. Method of inhibiting scale deposits
US5091491A (en) * 1990-11-01 1992-02-25 W. R. Grace & Co.-Conn. Water-soluble allylphosphonate copolymers
US5183574A (en) * 1991-11-18 1993-02-02 W. R. Grace & Co.-Conn. Method of dispersing iron
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
US5736405A (en) * 1996-03-21 1998-04-07 Nalco Chemical Company Monitoring boiler internal treatment with fluorescent-tagged polymers
DE19730650C2 (de) 1997-07-17 1999-12-02 Henkel Kgaa Verfahren zur Vermeidung der Ablagerung von Schwermetallionen auf Textilfasern
US20100197545A1 (en) * 2009-01-30 2010-08-05 Ecolab USA High alkaline detergent composition with enhanced scale control
CN103265124A (zh) * 2013-06-08 2013-08-28 成都润兴消毒药业有限公司 一种缓蚀阻垢剂及其制备方法
AR104516A1 (es) * 2015-05-13 2017-07-26 Dow Global Technologies Llc Composiciones térmicamente estables inhibidoras de incrustaciones
TWI735447B (zh) * 2015-08-06 2021-08-11 日商日本Ｅｘｌａｎ工業股份有限公司 抗病毒用材料、及含有該材料的具有抗病毒性之製品

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729557A (en) * 1955-02-02 1956-01-03 American Cyanamid Co Method of preventing deposition of alkaline earth metal salts in cyanidation of precious metal ores
FR1178313A (fr) * 1957-07-09 1959-05-06 Pechiney Protection de surfaces métalliques
DE1904885A1 (de) * 1968-02-28 1969-09-18 Grace W R & Co Zubereitung zur Inhibierung der Bildung von Erdalkaliablagerungen aus waessrigen Loesungen
GB1256644A (fr) * 1968-05-06 1971-12-08
FR2114508A5 (fr) * 1970-11-19 1972-06-30 Huels Chemische Werke Ag
FR2116139A5 (fr) * 1970-11-30 1972-07-07 Ciba Geigy Ag
FR2322831A1 (fr) * 1975-09-08 1977-04-01 Betz Int Copolymeres de styrene sulfone et d'anhydride maleique pour le controle de la formation et du depot de tartre, de boue et, en particulier, de phosphate de calcium dans des milieux aqueux

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2327302A (en) * 1940-07-13 1943-08-17 Du Pont Soap composition
US3879288A (en) * 1970-07-01 1975-04-22 Frederick Herman Siegele Process of inhibiting scale formation on walls of structures containing an aqueous system
US3682224A (en) * 1970-12-17 1972-08-08 Merrill Bleyle Scale prevention agents of methacrylic acid-vinyl sulfonate copolymers for saline water evaporation
US3709816A (en) * 1971-07-01 1973-01-09 Calgon Corp Control of alluvial and other deposits in aqueous systems
US3928196A (en) * 1973-12-05 1975-12-23 Calgon Corp Inhibition of scale deposition

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729557A (en) * 1955-02-02 1956-01-03 American Cyanamid Co Method of preventing deposition of alkaline earth metal salts in cyanidation of precious metal ores
FR1178313A (fr) * 1957-07-09 1959-05-06 Pechiney Protection de surfaces métalliques
DE1904885A1 (de) * 1968-02-28 1969-09-18 Grace W R & Co Zubereitung zur Inhibierung der Bildung von Erdalkaliablagerungen aus waessrigen Loesungen
GB1256644A (fr) * 1968-05-06 1971-12-08
FR2114508A5 (fr) * 1970-11-19 1972-06-30 Huels Chemische Werke Ag
FR2116139A5 (fr) * 1970-11-30 1972-07-07 Ciba Geigy Ag
FR2322831A1 (fr) * 1975-09-08 1977-04-01 Betz Int Copolymeres de styrene sulfone et d'anhydride maleique pour le controle de la formation et du depot de tartre, de boue et, en particulier, de phosphate de calcium dans des milieux aqueux

Also Published As

Publication number Publication date
DE2740671C2 (fr) 1991-06-06
JPS571315B2 (fr) 1982-01-11
FR2371526B1 (fr) 1982-01-08
JPS5658594A (en) 1981-05-21
ES462289A1 (es) 1978-05-16
CA1087957A (fr) 1980-10-21
GB1544586A (en) 1979-04-19
SE426940B (sv) 1983-02-21
US4048066A (en) 1977-09-13
DE2740671A1 (de) 1978-05-24
SE7710163L (sv) 1978-05-18
JPS53134780A (en) 1978-11-24
IT1086358B (it) 1985-05-28
JPS571316B2 (fr) 1982-01-11

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
CD Change of name or company name
TP Transmission of property