CA1332138C - Traitement de systemes aqueux - Google Patents

Traitement de systemes aqueux

Info

Publication number
CA1332138C
CA1332138C CA000521449A CA521449A CA1332138C CA 1332138 C CA1332138 C CA 1332138C CA 000521449 A CA000521449 A CA 000521449A CA 521449 A CA521449 A CA 521449A CA 1332138 C CA1332138 C CA 1332138C
Authority
CA
Canada
Prior art keywords
acid
zinc
composition according
weight
chelant
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 - Lifetime
Application number
CA000521449A
Other languages
English (en)
Inventor
Brian Greaves
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.)
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
Priority claimed from GB08526590A external-priority patent/GB2184109A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1332138C publication Critical patent/CA1332138C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CA000521449A 1985-10-29 1986-10-27 Traitement de systemes aqueux Expired - Lifetime CA1332138C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8526590 1985-10-29
GB08526590A GB2184109A (en) 1985-10-29 1985-10-29 The treatment of aqueous systems
GB8623464 1986-09-30
GB08623464A GB2183624A (en) 1985-10-29 1986-09-30 Anti-corrosion treatment of aqueous systems

Publications (1)

Publication Number Publication Date
CA1332138C true CA1332138C (fr) 1994-09-27

Family

ID=26289944

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000521449A Expired - Lifetime CA1332138C (fr) 1985-10-29 1986-10-27 Traitement de systemes aqueux

Country Status (6)

Country Link
EP (1) EP0225051B1 (fr)
AT (1) ATE72678T1 (fr)
AU (1) AU6456486A (fr)
CA (1) CA1332138C (fr)
DE (1) DE3683928D1 (fr)
ES (1) ES2038595T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4717542A (en) * 1987-01-23 1988-01-05 W. R. Grace & Co. Inhibiting corrosion of iron base metals
NZ226331A (en) * 1987-10-05 1991-08-27 Calgon Corp Method of inhibiting corrosion of metallic surfaces in aqueous systems using acrylic polymers and zinc ions; compositions therefor
EP0364030A1 (fr) * 1988-10-11 1990-04-18 Calgon Corporation Compositions synergiques et procédé pour l'inhibition de la corrosion de l'acier au carbone dans des systèmes aqueux
US5171477A (en) * 1991-05-31 1992-12-15 W. R. Grace & Co.-Conn. Corrosion inhibition in chelant solutions
ES2059273B1 (es) * 1993-02-09 1995-10-01 Miret Lab Composiciones dispersantes e inhibidoras de la incrustacion y/o de la corrosion en circuitos de aguas industriales.
US5518629A (en) * 1993-07-29 1996-05-21 Betz Laboratories, Inc. Methods for controlling scale formation in acqueous systems
WO2000039359A1 (fr) * 1998-12-29 2000-07-06 Calgon Corporation Compositions inhibitrices de corrosion et procedes de controle de la corrosion du metal dans des systemes de saumure
US8513176B2 (en) 2006-08-02 2013-08-20 Ch2O Incorporated Disinfecting and mineral deposit eliminating composition and methods
CN110158094A (zh) * 2019-07-11 2019-08-23 北京中天兰清环境科技有限公司 一种复合型高效无磷碳钢缓蚀剂的配方及制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669901A (en) * 1970-10-22 1972-06-13 William Bruce Murray Corrosion inhibitor composition containing zinc, sulfamate, and phosphate ions
US3794603A (en) * 1972-01-17 1974-02-26 Sherwin Williams Co Zn++-benzotriazole-h2so4 corrosioninhibitor
AU452099B2 (en) * 1972-08-02 1974-08-29 Applied Chemicals Pty. Limited Aqueous corrosion inhibiting compositions
DE2333353C2 (de) * 1973-06-30 1983-05-19 Bayer Ag, 5090 Leverkusen Verfahren zur Verhinderung von Korrosion in wasserführenden Systemen und Korrosionsschutzmittel zur Durchführung des Verfahrens
US4018701A (en) * 1975-07-31 1977-04-19 Calgon Corporation Phosphorous acid and zinc corrosion inhibiting compositions and methods for using same
US4042451A (en) * 1975-08-05 1977-08-16 M&T Chemicals Inc. Selected stripping of nickel-iron alloys from ferrous substrates
DK231879A (da) * 1978-06-05 1979-12-06 Calgon Corp Fremgangsmaade til korrosionsinhibering og middel til brug ved udoevelse af fremgangsmaaden
GB2118159B (en) * 1982-04-20 1985-09-04 Dearborn Chemicals Ltd The treatment of aqueous systems

Also Published As

Publication number Publication date
ES2038595T3 (es) 1993-08-01
AU6456486A (en) 1987-04-30
EP0225051B1 (fr) 1992-02-19
DE3683928D1 (de) 1992-03-26
EP0225051A1 (fr) 1987-06-10
ATE72678T1 (de) 1992-03-15

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Legal Events

Date Code Title Description
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121205