IT1177376B - PROCEDURE FOR CHECKING THE SCALING IN PRESSURE BOILERS - Google Patents

PROCEDURE FOR CHECKING THE SCALING IN PRESSURE BOILERS

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
Italian (it)
Other versions
IT8423950A0 (en
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/en
Application granted granted Critical
Publication of IT1177376B publication Critical patent/IT1177376B/en

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 PROCEDURE FOR CHECKING THE SCALING IN PRESSURE BOILERS IT1177376B (en)

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 (en) 1984-12-06
IT1177376B true IT1177376B (en) 1987-08-26

Family

ID=10553025

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23950/84A IT1177376B (en) 1983-12-08 1984-12-06 PROCEDURE FOR CHECKING THE SCALING IN PRESSURE BOILERS

Country Status (13)

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

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 (en) * 1988-08-01 1993-04-22 Calgon Corp METHOD FOR CONTROLLING SCALES BY ALLYLSULFONATE-MALEINIC ACID ANHYDRIDE POLYMERS.
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 (en) * 2009-12-30 2011-07-01 Kemira Oyj The dispersion composition, its use and the coating composition comprising it and a method for improving the viscosity properties of the coating composition or slurry

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
US4342652A (en) * 1978-09-25 1982-08-03 American Cyanamid Company Process for scale inhibition in evaporative desalination units
ZA793301B (en) * 1978-09-25 1980-06-25 American Cyanamid Co Process for scale inhibition in evaporative desalination units
JPS57174194A (en) * 1981-04-17 1982-10-26 Deiaaboon Chem Ltd Treatment of aqueous system
DE3230291A1 (en) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd., Widnes, Cheshire COMPOSITION FOR PREVENTING KETTLE IN AQUEOUS SYSTEMS
JPS5881494A (en) * 1981-11-11 1983-05-16 Toagosei Chem Ind Co Ltd Composition for water purifying agent
CA1258963A (en) * 1983-03-07 1989-09-05 Bennett P. Boffardi Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
JPS59162999A (en) * 1983-03-07 1984-09-13 カルゴン・コ−ポレ−シヨン Synergistic scale and corrosion control mixture containing carboxylic acid/sulfonic acid polymer

Also Published As

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

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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