CA926815A - Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and electrodes thus treated - Google Patents

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

Info

Publication number
CA926815A
CA926815A CA099597A CA99597A CA926815A CA 926815 A CA926815 A CA 926815A CA 099597 A CA099597 A CA 099597A CA 99597 A CA99597 A CA 99597A CA 926815 A CA926815 A CA 926815A
Authority
CA
Canada
Prior art keywords
electrodes
zinc
treated
surface treatment
electrolytic production
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
CA099597A
Other languages
English (en)
Other versions
CA99597S (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 CA926815A publication Critical patent/CA926815A/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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrolytic Production Of Metals (AREA)
CA099597A 1969-12-02 1970-12-01 Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and electrodes thus treated Expired CA926815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2522869 1969-12-02

Publications (1)

Publication Number Publication Date
CA926815A true CA926815A (en) 1973-05-22

Family

ID=11216059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA099597A Expired CA926815A (en) 1969-12-02 1970-12-01 Method for the surface treatment of aluminum electrodes for the electrolytic production of zinc, and electrodes thus treated

Country Status (4)

Country Link
US (1) US3689385A (fr)
BE (1) BE759731A (fr)
CA (1) CA926815A (fr)
FR (1) FR2099031A5 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856637A (en) * 1973-07-09 1974-12-24 Lea Ronaf Inc Methods of electroplating zinc and cyanide free or low cyanide zinc plating baths therefor
GB9725668D0 (en) * 1997-12-03 1998-02-04 Luxfer Group Ltd Aluminium alley cathode plates

Also Published As

Publication number Publication date
US3689385A (en) 1972-09-05
BE759731A (fr) 1971-06-02
FR2099031A5 (fr) 1972-03-10

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