CA1233722A - Methode de maitrise du tartre dans les chaudieres sous pression - Google Patents

Methode de maitrise du tartre dans les chaudieres sous pression

Info

Publication number
CA1233722A
CA1233722A CA000469567A CA469567A CA1233722A CA 1233722 A CA1233722 A CA 1233722A CA 000469567 A CA000469567 A CA 000469567A CA 469567 A CA469567 A CA 469567A CA 1233722 A CA1233722 A CA 1233722A
Authority
CA
Canada
Prior art keywords
copolymer
water
scale
boiler
phosphate
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
CA000469567A
Other languages
English (en)
Inventor
Chih M. Hwa
Brian Greaves
Dionisio G. Cuisia
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.)
WR Grace and Co
Suez WTS USA Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1233722A publication Critical patent/CA1233722A/fr
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
    • 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

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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
CA000469567A 1983-12-08 1984-12-07 Methode de maitrise du tartre dans les chaudieres sous pression Expired CA1233722A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8332800 1983-12-08
GB08332800A GB2152919B (en) 1983-12-08 1983-12-08 Method of controlling scale in pressurised boilers

Publications (1)

Publication Number Publication Date
CA1233722A true CA1233722A (fr) 1988-03-08

Family

ID=10553025

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000469567A Expired CA1233722A (fr) 1983-12-08 1984-12-07 Methode de maitrise du tartre dans les chaudieres sous pression

Country Status (13)

Country Link
JP (1) JPS60139397A (fr)
AU (1) AU572235B2 (fr)
CA (1) CA1233722A (fr)
DE (1) DE3444679A1 (fr)
ES (1) ES8601330A1 (fr)
FR (1) FR2556334B1 (fr)
GB (1) GB2152919B (fr)
IT (1) IT1177376B (fr)
NL (1) NL8403714A (fr)
NZ (1) NZ210446A (fr)
PH (1) PH21200A (fr)
SE (1) SE456675B (fr)
ZA (1) ZA849464B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600524A (en) * 1983-12-08 1986-07-15 W. R. Grace & Co. Composition and method for inhibiting scale
GB8728162D0 (en) * 1987-12-02 1988-01-06 Albright & Wilson Threshold treatment
DE68903070T2 (de) * 1988-08-01 1993-04-22 Calgon Corp Verfahren zur kesselsteinbekaempfung mittels allylsulfonat-maleinsaeureanhydridpolymeren.
US6020297A (en) * 1999-04-06 2000-02-01 National Starch And Chemical Investment Holding Corporation Colorless polymaleates and uses thereof in cleaning compositions
US6333005B1 (en) * 1999-06-16 2001-12-25 Hercules Incorporated Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor
FI20096408A (fi) * 2009-12-30 2011-07-01 Kemira Oyj Dispersioainekoostumus, sen käyttö ja sitä käsittävä päällystyskoostumus ja menetelmä päällystyskoostumuksen tai lietteen viskositeettiominaisuuksien parantamiseksi

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639278A (en) * 1967-12-27 1972-02-01 Grace W R & Co Composition and method for inhibiting and removing scale using glycolic acid and lignosulfonic acid
US3879288A (en) * 1970-07-01 1975-04-22 Frederick Herman Siegele Process of inhibiting scale formation on walls of structures containing an aqueous system
GB1575173A (en) * 1977-02-07 1980-09-17 American Cyanamid Co Mixtures of polycationic and polyanionic polymers for scale control
ZA793301B (en) * 1978-09-25 1980-06-25 American Cyanamid Co Process for scale inhibition in evaporative desalination units
US4342652A (en) * 1978-09-25 1982-08-03 American Cyanamid Company Process for scale inhibition in evaporative desalination units
JPS57174194A (en) * 1981-04-17 1982-10-26 Deiaaboon Chem Ltd Treatment of aqueous system
DE3230291A1 (de) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd., Widnes, Cheshire Zusammensetzung zur verhinderung von kesselstein in waessrigen systemen
JPS5881494A (ja) * 1981-11-11 1983-05-16 Toagosei Chem Ind Co Ltd 水処理剤組成物
CA1258963A (fr) * 1983-03-07 1989-09-05 Bennett P. Boffardi Additifs synergistes antitartre et anticorrosion a base de polymeres d'acide sulfonique et d'acide carboxylique
JPS59162999A (ja) * 1983-03-07 1984-09-13 カルゴン・コ−ポレ−シヨン カルボン酸／スルホン酸ポリマ−類を含有する相乗効果的なスケ−ルおよび腐食抑制混合剤

Also Published As

Publication number Publication date
GB2152919B (en) 1987-08-26
GB2152919A (en) 1985-08-14
DE3444679A1 (de) 1985-06-20
JPS60139397A (ja) 1985-07-24
DE3444679C2 (fr) 1992-08-06
AU3634884A (en) 1985-06-13
SE8406203D0 (sv) 1984-12-06
SE456675B (sv) 1988-10-24
IT8423950A0 (it) 1984-12-06
ZA849464B (en) 1985-08-28
SE8406203L (sv) 1985-06-09
PH21200A (en) 1987-08-19
ES538357A0 (es) 1985-11-01
FR2556334A1 (fr) 1985-06-14
FR2556334B1 (fr) 1990-05-04
NL8403714A (nl) 1985-07-01
ES8601330A1 (es) 1985-11-01
NZ210446A (en) 1988-01-08
IT1177376B (it) 1987-08-26
AU572235B2 (en) 1988-05-05
GB8332800D0 (en) 1984-01-18

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Legal Events

Date Code Title Description
MKEX Expiry