FR2426648A2 - Traitement de milieux aqueux en vue d'empecher les depots de tartre - Google Patents

Traitement de milieux aqueux en vue d'empecher les depots de tartre

Info

Publication number
FR2426648A2
FR2426648A2 FR7913467A FR7913467A FR2426648A2 FR 2426648 A2 FR2426648 A2 FR 2426648A2 FR 7913467 A FR7913467 A FR 7913467A FR 7913467 A FR7913467 A FR 7913467A FR 2426648 A2 FR2426648 A2 FR 2426648A2
Authority
FR
France
Prior art keywords
aqueous media
treatment
scale deposits
prevent scale
prevent
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
FR7913467A
Other languages
English (en)
Other versions
FR2426648B2 (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.)
Ciba Geigy UK Ltd
Original Assignee
Ciba Geigy UK 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
Application filed by Ciba Geigy UK Ltd filed Critical Ciba Geigy UK Ltd
Publication of FR2426648A2 publication Critical patent/FR2426648A2/fr
Application granted granted Critical
Publication of FR2426648B2 publication Critical patent/FR2426648B2/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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)

Abstract

Procédé de traitement de milieux aqueux ayant une teneur en ion calcium de 5 à 1 500 ppm et contenant un dépôt solide. Ce procédé consiste à ajouter au milieu acqueux une petite proportion d'un produit comprenant un composé télomère de formule I ci-dessous :
FR7913467A 1978-05-26 1979-05-28 Traitement de milieux aqueux en vue d'empecher les depots de tartre Granted FR2426648A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23434/78A GB1595688A (en) 1978-05-26 1978-05-26 Treatment of aqueous systems

Publications (2)

Publication Number Publication Date
FR2426648A2 true FR2426648A2 (fr) 1979-12-21
FR2426648B2 FR2426648B2 (fr) 1985-04-12

Family

ID=10195568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7913467A Granted FR2426648A2 (fr) 1978-05-26 1979-05-28 Traitement de milieux aqueux en vue d'empecher les depots de tartre

Country Status (5)

Country Link
JP (1) JPS5511092A (fr)
DE (1) DE2921374A1 (fr)
FR (1) FR2426648A2 (fr)
GB (1) GB1595688A (fr)
IT (1) IT1207199B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071323A1 (fr) * 1981-07-24 1983-02-09 Betz Europe, Inc. Procédé et composition pour le traitement de milieux aqueux

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1237041A (fr) * 1984-10-23 1988-05-24 Ian D. Robb Detergents aux polymeres
JPH0630789B2 (ja) * 1985-03-25 1994-04-27 株式会社片山化学工業研究所 高温高圧水系のスケ−ル防止方法
JPS62294197A (ja) * 1986-06-12 1987-12-21 Sumitomo Metal Ind Ltd 自動車用防錆鋼板並びにその製造方法
GB9005440D0 (en) * 1990-03-10 1990-05-09 Ciba Geigy Ag Composition
GB9409483D0 (en) * 1994-05-12 1994-06-29 Fmc Corp Uk Ltd Scale inhibition process
FR2748470B1 (fr) * 1996-05-13 1998-07-17 Cfpi Ind Procede de fabrication de produits en terre cuite et agent propre a ameliorer les proprietes rheologiques des argiles
US6297336B1 (en) 1998-07-02 2001-10-02 Nippon Shokubai Co., Ltd. Detergent builder, production process therefor, and poly(meth)acrylic acid (or salt) polymer and use thereof
BR112014010919A2 (pt) 2011-11-11 2017-05-16 Rohm & Haas composição de polímero, e, método para preparar (co)telômeros de hipofosfito de anidrido metacrílico
US9499642B2 (en) 2011-11-11 2016-11-22 Rohm And Haas Company Small particle size hypophosphite telomers of unsaturated carboxylic acids
EP2778183B1 (fr) 2013-03-15 2015-04-29 Rohm and Haas Company Télomères d'anhydride d'acide polyméthacrylique

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274565A1 (fr) * 1974-06-11 1976-01-09 Ciba Geigy Uk Ltd Traitement de milieux aqueux en vue d'empecher les depots de tartre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2525859C2 (de) * 1974-06-11 1983-03-03 Ciba-Geigy (Uk) Ltd., London Verfahren zur Behandlung von wäßrigen Systemen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274565A1 (fr) * 1974-06-11 1976-01-09 Ciba Geigy Uk Ltd Traitement de milieux aqueux en vue d'empecher les depots de tartre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071323A1 (fr) * 1981-07-24 1983-02-09 Betz Europe, Inc. Procédé et composition pour le traitement de milieux aqueux

Also Published As

Publication number Publication date
FR2426648B2 (fr) 1985-04-12
JPS5511092A (en) 1980-01-25
DE2921374C2 (fr) 1988-12-29
IT1207199B (it) 1989-05-17
DE2921374A1 (de) 1979-12-06
GB1595688A (en) 1981-08-12
IT7922996A0 (it) 1979-05-25

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