CA938916A - Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and elecrodes thus treated - Google Patents

Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and elecrodes thus treated

Info

Publication number
CA938916A
CA938916A CA099598A CA99598A CA938916A CA 938916 A CA938916 A CA 938916A CA 099598 A CA099598 A CA 099598A CA 99598 A CA99598 A CA 99598A CA 938916 A CA938916 A CA 938916A
Authority
CA
Canada
Prior art keywords
elecrodes
zinc
treated
surface treatment
aluminum electrodes
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
CA099598A
Other versions
CA99598S (en
Inventor
Lanfranco Giovanni
Scacciati Giovanni
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.)
Centro Ricerche Metallurgiche SpA
Original Assignee
Centro Ricerche Metallurgiche SpA
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 Centro Ricerche Metallurgiche SpA filed Critical Centro Ricerche Metallurgiche SpA
Application granted granted Critical
Publication of CA938916A publication Critical patent/CA938916A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/02—Electrodes; Connections thereof
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
CA099598A 1969-12-02 1970-12-01 Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and elecrodes thus treated Expired CA938916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2522969 1969-12-02

Publications (1)

Publication Number Publication Date
CA938916A true CA938916A (en) 1973-12-25

Family

ID=11216062

Family Applications (1)

Application Number Title Priority Date Filing Date
CA099598A Expired CA938916A (en) 1969-12-02 1970-12-01 Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and elecrodes thus treated

Country Status (5)

Country Link
US (1) US3689386A (en)
BE (1) BE759732A (en)
CA (1) CA938916A (en)
FR (1) FR2099032A5 (en)
GB (1) GB1332332A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115074715B (en) * 2022-06-30 2024-01-30 东风商用车有限公司 Pretreatment zirconation agent for high-temperature-resistant coating and pretreatment method

Also Published As

Publication number Publication date
US3689386A (en) 1972-09-05
BE759732A (en) 1971-06-02
GB1332332A (en) 1973-10-03
FR2099032A5 (en) 1972-03-10

Similar Documents

Publication Publication Date Title
CA958373A (en) Method of electrolytic treatment of waste water
CA974931A (en) Electrode for the alkali metal chloride electrolysis and process of manufacturing the same
CA922262A (en) Process for the treatment of anodic oxidized aluminum surfaces
CA920767A (en) Method and apparatus for the production of copper anode plates
CA975321A (en) Method of treating electrodes
CA928784A (en) Method of preparing cathodic electrodes
AU476567B2 (en) Method and apparatus for electrolytic treatment of sewage
CA926815A (en) Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and electrodes thus treated
CA938916A (en) Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and elecrodes thus treated
AU446021B2 (en) Method forthe surface treatment of aluminum electrodes forthe electrolytic production of zinc, and electrodes thus treated
CA941785A (en) Method of manufacturing electrode for brine electrolysis
AU2288670A (en) Method forthe surface treatment of aluminum electrodes forthe electrolytic production of zinc, and electrodes thus treated
AU446022B2 (en) METHOD FORTHE SURFACE TREATMENT OFA ALUMINUM ELECTRODES FORTHE ELECTROLYTIC PRODUCTION OF ZINC, and ELECTRODES THUS TREATED
AU2288770A (en) METHOD FORTHE SURFACE TREATMENT OFA ALUMINUM ELECTRODES FORTHE ELECTROLYTIC PRODUCTION OF ZINC, and ELECTRODES THUS TREATED
AU474476B2 (en) Method for the treatment of red mud
AU420670B2 (en) Electrolytic treatment process
ZA705993B (en) Process for the treatment of aluminium surfaces
CA888345A (en) Electrodes for electrolytic processes
CA843427A (en) Process of continuously forming bi-polar electrodes by the use of electrophoresis
CA803916A (en) Method for the treatment of aluminum flakes
CA957640A (en) Method of treatment of metallic surfaces
AU1501770A (en) Electrode apparatus for brine electrolysis
CA821546A (en) Method of treating kaolin
CA853680A (en) Continuous process for the electrolytic production of aluminum and apparatus therefor
CA805639A (en) Process for the treatment of malt