CA979317A - Scale and corrosion control in flowing waters - Google Patents

Scale and corrosion control in flowing waters

Info

Publication number
CA979317A
CA979317A CA137,323A CA137323A CA979317A CA 979317 A CA979317 A CA 979317A CA 137323 A CA137323 A CA 137323A CA 979317 A CA979317 A CA 979317A
Authority
CA
Canada
Prior art keywords
scale
corrosion control
flowing waters
waters
flowing
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
CA137,323A
Other versions
CA137323S (en
Inventor
David C. Zecher
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.)
Hercules LLC
Original Assignee
Hercules LLC
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 Hercules LLC filed Critical Hercules LLC
Application granted granted Critical
Publication of CA979317A publication Critical patent/CA979317A/en
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
    • C02F5/12—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 nitrogen
    • C02F5/125—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 nitrogen combined with inorganic 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
CA137,323A 1971-03-24 1972-03-17 Scale and corrosion control in flowing waters Expired CA979317A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12775671A 1971-03-24 1971-03-24
US23006072A 1972-02-28 1972-02-28

Publications (1)

Publication Number Publication Date
CA979317A true CA979317A (en) 1975-12-09

Family

ID=26825941

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,323A Expired CA979317A (en) 1971-03-24 1972-03-17 Scale and corrosion control in flowing waters

Country Status (8)

Country Link
BE (1) BE781252A (en)
CA (1) CA979317A (en)
DE (1) DE2214494A1 (en)
FR (1) FR2130717B1 (en)
GB (1) GB1348595A (en)
IT (1) IT953549B (en)
NL (1) NL7204031A (en)
SE (1) SE377930B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501357B1 (en) * 1981-03-04 1988-01-15 Permo PROCESS FOR CLEARING CIRCUITS IN THERMAL EXCHANGE PLANTS USING WATER
GB2155919B (en) * 1984-03-20 1987-12-02 Dearborn Chemicals Ltd A method of inhibiting corrosion in aqueous systems
GB2159511B (en) * 1984-04-25 1988-09-21 Dearborn Chemicals Ltd A method of inhibiting corrosion in aqueous systems
GB2168359B (en) * 1984-11-08 1988-05-05 Grace W R & Co A method of inhibiting corrosion in aqueous systems
DE19706410C2 (en) * 1997-02-19 2001-04-05 Metakorin Wasser Chemie Gmbh Process and agent for the anti-corrosion treatment of water-bearing metal systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036305A (en) * 1959-06-23 1962-05-22 Wright Chem Corp Treatment of water
GR35176B (en) * 1966-08-31 1968-08-22 Rohm And Haas Company RESTRICTION OF CORROSION AND METAL DEPOSITS, DETERMINATION OF IRON DISSOLVED IN WATER AND REMOVAL OF SUSPENDED SOLID MATERIALS.
FR1544503A (en) * 1966-11-16 1968-10-31 Benckiser Gmbh Joh A Descaler products

Also Published As

Publication number Publication date
BE781252A (en) 1972-07-17
FR2130717A1 (en) 1972-11-03
FR2130717B1 (en) 1977-07-22
GB1348595A (en) 1974-03-20
IT953549B (en) 1973-08-10
SE377930B (en) 1975-08-04
DE2214494A1 (en) 1972-10-05
NL7204031A (en) 1972-09-26

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