IT1177376B - Procedimento per controllare le incrostazioni nelle caldaie a pressione - Google Patents

Procedimento per controllare le incrostazioni nelle caldaie a pressione

Info

Publication number
IT1177376B
IT1177376B IT23950/84A IT2395084A IT1177376B IT 1177376 B IT1177376 B IT 1177376B IT 23950/84 A IT23950/84 A IT 23950/84A IT 2395084 A IT2395084 A IT 2395084A IT 1177376 B IT1177376 B IT 1177376B
Authority
IT
Italy
Prior art keywords
scaling
checking
procedure
pressure boilers
boilers
Prior art date
Application number
IT23950/84A
Other languages
English (en)
Other versions
IT8423950A0 (it
Inventor
Dionisio G Cuisia
Ming Hwa Chih
Brian Greaves
Original Assignee
Dearborn Chemicals 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 Dearborn Chemicals Ltd filed Critical Dearborn Chemicals Ltd
Publication of IT8423950A0 publication Critical patent/IT8423950A0/it
Application granted granted Critical
Publication of IT1177376B publication Critical patent/IT1177376B/it

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)
IT23950/84A 1983-12-08 1984-12-06 Procedimento per controllare le incrostazioni nelle caldaie a pressione IT1177376B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8423950A0 IT8423950A0 (it) 1984-12-06
IT1177376B true IT1177376B (it) 1987-08-26

Family

ID=10553025

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23950/84A IT1177376B (it) 1983-12-08 1984-12-06 Procedimento per controllare le incrostazioni nelle caldaie a pressione

Country Status (13)

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

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
ATE81111T1 (de) * 1988-08-01 1992-10-15 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
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
EP0210590A3 (en) * 1983-03-07 1988-02-17 Calgon Corporation Polymeric additives for water

Also Published As

Publication number Publication date
FR2556334A1 (fr) 1985-06-14
DE3444679C2 (it) 1992-08-06
AU3634884A (en) 1985-06-13
DE3444679A1 (de) 1985-06-20
GB2152919A (en) 1985-08-14
AU572235B2 (en) 1988-05-05
SE8406203D0 (sv) 1984-12-06
GB2152919B (en) 1987-08-26
IT8423950A0 (it) 1984-12-06
SE456675B (sv) 1988-10-24
PH21200A (en) 1987-08-19
JPS60139397A (ja) 1985-07-24
CA1233722A (en) 1988-03-08
GB8332800D0 (en) 1984-01-18
FR2556334B1 (fr) 1990-05-04
SE8406203L (sv) 1985-06-09
NL8403714A (nl) 1985-07-01
ZA849464B (en) 1985-08-28
ES538357A0 (es) 1985-11-01
NZ210446A (en) 1988-01-08
ES8601330A1 (es) 1985-11-01

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961227