FR2155153A5 - Anticorrosion compsn for water systems - contng orthophosphoric acid - Google Patents

Anticorrosion compsn for water systems - contng orthophosphoric acid

Info

Publication number
FR2155153A5
FR2155153A5 FR7136669A FR7136669A FR2155153A5 FR 2155153 A5 FR2155153 A5 FR 2155153A5 FR 7136669 A FR7136669 A FR 7136669A FR 7136669 A FR7136669 A FR 7136669A FR 2155153 A5 FR2155153 A5 FR 2155153A5
Authority
FR
France
Prior art keywords
compsn
orthophosphoric acid
water systems
contng
anticorrosion
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
FR7136669A
Other languages
French (fr)
Inventor
Progil Rhone
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.)
Progil SARL
Original Assignee
Progil SARL
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
Priority to BE789740D priority Critical patent/BE789740A/en
Application filed by Progil SARL filed Critical Progil SARL
Priority to FR7136669A priority patent/FR2155153A5/en
Priority to LU66241D priority patent/LU66241A1/xx
Priority to AT858872A priority patent/AT325531B/en
Application granted granted Critical
Publication of FR2155153A5 publication Critical patent/FR2155153A5/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C23F11/18—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 using inorganic inhibitors
    • C23F11/187—Mixtures of inorganic inhibitors
    • C23F11/188—Mixtures of inorganic inhibitors containing phosphates
    • 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
    • C02F5/083—Mineral agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

Compsn. to limit metal corrosion and scaling in water systems contains 0.5-45% orthophosphoric acid, 0-70% sodium phosphates and 0.3-30% Zn as a salt. The compsn. is esp. useful for potable waters to prevent corrosion and scaling of metallic surfaces.
FR7136669A 1971-10-06 1971-10-06 Anticorrosion compsn for water systems - contng orthophosphoric acid Expired FR2155153A5 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE789740D BE789740A (en) 1971-10-06 NEW ANTI-CORROSIVE AND ANTI-SCALE COMPOSITION FOR USE IN WATER NETWORKS
FR7136669A FR2155153A5 (en) 1971-10-06 1971-10-06 Anticorrosion compsn for water systems - contng orthophosphoric acid
LU66241D LU66241A1 (en) 1971-10-06 1972-10-05
AT858872A AT325531B (en) 1971-10-06 1972-10-06 COMPOSITION FOR PLUGGING IN WATER PIPES THAT LIMIT THE CORROSION OF THESE PIPES AND THE FORMATION OF SCALE DEPOSIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7136669A FR2155153A5 (en) 1971-10-06 1971-10-06 Anticorrosion compsn for water systems - contng orthophosphoric acid

Publications (1)

Publication Number Publication Date
FR2155153A5 true FR2155153A5 (en) 1973-05-18

Family

ID=9084256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7136669A Expired FR2155153A5 (en) 1971-10-06 1971-10-06 Anticorrosion compsn for water systems - contng orthophosphoric acid

Country Status (4)

Country Link
AT (1) AT325531B (en)
BE (1) BE789740A (en)
FR (1) FR2155153A5 (en)
LU (1) LU66241A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006065A2 (en) * 1978-06-05 1979-12-12 Calgon Corporation Composition and method for inhibiting corrosion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006065A2 (en) * 1978-06-05 1979-12-12 Calgon Corporation Composition and method for inhibiting corrosion
EP0006065A3 (en) * 1978-06-05 1980-01-23 Calgon Corporation Composition and method for inhibiting corrosion

Also Published As

Publication number Publication date
BE789740A (en) 1973-04-05
AT325531B (en) 1975-10-27
LU66241A1 (en) 1973-10-22

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Legal Events

Date Code Title Description
ST Notification of lapse