GB2018290A - Anodes for cathodic protection and other electrolytic processes - Google Patents

Anodes for cathodic protection and other electrolytic processes

Info

Publication number
GB2018290A
GB2018290A GB7917823A GB7917823A GB2018290A GB 2018290 A GB2018290 A GB 2018290A GB 7917823 A GB7917823 A GB 7917823A GB 7917823 A GB7917823 A GB 7917823A GB 2018290 A GB2018290 A GB 2018290A
Authority
GB
United Kingdom
Prior art keywords
lead
cathodic protection
magnetite
composite
electrolytic processes
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.)
Granted
Application number
GB7917823A
Other versions
GB2018290B (en
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.)
Individual
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
Application filed by Individual filed Critical Individual
Priority to GB7917823A priority Critical patent/GB2018290B/en
Priority to DK427979A priority patent/DK427979A/en
Publication of GB2018290A publication Critical patent/GB2018290A/en
Application granted granted Critical
Publication of GB2018290B publication Critical patent/GB2018290B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • 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
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Powder Metallurgy (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

An anode comprises a composite of lead or a lead alloy and magnetite in which small particles of magnetite are dispersed in a matrix of lead or a lead alloy eg with Ag, Sb, Te or Se. A process for making the composite anode comprises mixing and compacting together a powder of magnetite and a lead or lead alloy powder under sufficient pressure to achieve at least partial sintering on the surfaces of the contacting particles of the mixed powders. Pt microelectrodes may be inserted into the surface of the composite. The anode is suitable for use in cathodic protection and other electrolytic processes.
GB7917823A 1978-02-23 1979-05-22 Anodes for cathodic protection and other electrolytic processes Expired GB2018290B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7917823A GB2018290B (en) 1978-02-23 1979-05-22 Anodes for cathodic protection and other electrolytic processes
DK427979A DK427979A (en) 1979-05-22 1979-10-10 ANODE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB728178 1978-02-23
GB7917823A GB2018290B (en) 1978-02-23 1979-05-22 Anodes for cathodic protection and other electrolytic processes

Publications (2)

Publication Number Publication Date
GB2018290A true GB2018290A (en) 1979-10-17
GB2018290B GB2018290B (en) 1982-05-12

Family

ID=26241313

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7917823A Expired GB2018290B (en) 1978-02-23 1979-05-22 Anodes for cathodic protection and other electrolytic processes

Country Status (1)

Country Link
GB (1) GB2018290B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445989A (en) * 1982-08-11 1984-05-01 The United States Of America As Represented By The Secretary Of The Army Ceramic anodes for corrosion protection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445989A (en) * 1982-08-11 1984-05-01 The United States Of America As Represented By The Secretary Of The Army Ceramic anodes for corrosion protection

Also Published As

Publication number Publication date
GB2018290B (en) 1982-05-12

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee