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AT341238B - METHOD OF THERMAL CYANIDE DEGRADATION OF USED CATHODE LINES OF ALUMINUM ELECTROLYSIS CELLS - Google Patents

METHOD OF THERMAL CYANIDE DEGRADATION OF USED CATHODE LINES OF ALUMINUM ELECTROLYSIS CELLS

Info

Publication number
AT341238B
AT341238B AT494675A AT494675A AT341238B AT 341238 B AT341238 B AT 341238B AT 494675 A AT494675 A AT 494675A AT 494675 A AT494675 A AT 494675A AT 341238 B AT341238 B AT 341238B
Authority
AT
Austria
Prior art keywords
thermal
electrolysis cells
aluminum electrolysis
cathode lines
used cathode
Prior art date
Application number
AT494675A
Other languages
German (de)
Other versions
ATA494675A (en
Inventor
Erich Ing Wacha
Original Assignee
Vmw Ranshofen Berndorf Ag
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 Vmw Ranshofen Berndorf Ag filed Critical Vmw Ranshofen Berndorf Ag
Priority to AT494675A priority Critical patent/AT341238B/en
Priority to DE19762628192 priority patent/DE2628192A1/en
Priority to NO762191A priority patent/NO144956C/en
Priority to CH808076A priority patent/CH619272A5/en
Priority to IT50178/76A priority patent/IT1066251B/en
Priority to FR7619338A priority patent/FR2317224A1/en
Publication of ATA494675A publication Critical patent/ATA494675A/en
Application granted granted Critical
Publication of AT341238B publication Critical patent/AT341238B/en

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
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Coloring (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)
AT494675A 1975-06-27 1975-06-27 METHOD OF THERMAL CYANIDE DEGRADATION OF USED CATHODE LINES OF ALUMINUM ELECTROLYSIS CELLS AT341238B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT494675A AT341238B (en) 1975-06-27 1975-06-27 METHOD OF THERMAL CYANIDE DEGRADATION OF USED CATHODE LINES OF ALUMINUM ELECTROLYSIS CELLS
DE19762628192 DE2628192A1 (en) 1975-06-27 1976-06-23 PROCESS FOR THE DISPOSAL OF CYANIDE IN USED CATHODE LININGS OF ALUMINUM ELECTROLYSIS CELLS, WITH SPECIAL CONSIDERATION OF FLUORIDE RECOVERY
NO762191A NO144956C (en) 1975-06-27 1976-06-24 PROCEDURE FOR THERMAL CYANIDE DISSOLUTION OF THE CATHOD COAT FROM ALUMINUM ELECTRICAL CELLS
CH808076A CH619272A5 (en) 1975-06-27 1976-06-24 Process for the thermal decomposition of cyanide in spent cathode linings of aluminium pots.
IT50178/76A IT1066251B (en) 1975-06-27 1976-06-25 PROCEDURE FOR ELIMINATING CYANIDE FROM USED CATHODIC COATINGS OF CELLS FOR THE ELECTROLYSIS OF ALUMINUM HAVING PARTICULARLY IN VIEW THE RECOVERY OF FLUORIDE
FR7619338A FR2317224A1 (en) 1975-06-27 1976-06-25 PROCESS FOR REMOVING CYANIDE FROM USED CATHODIC PADDINGS OF ALUMINUM ELECTROLYSIS CELLS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT494675A AT341238B (en) 1975-06-27 1975-06-27 METHOD OF THERMAL CYANIDE DEGRADATION OF USED CATHODE LINES OF ALUMINUM ELECTROLYSIS CELLS

Publications (2)

Publication Number Publication Date
ATA494675A ATA494675A (en) 1977-05-15
AT341238B true AT341238B (en) 1978-01-25

Family

ID=3570204

Family Applications (1)

Application Number Title Priority Date Filing Date
AT494675A AT341238B (en) 1975-06-27 1975-06-27 METHOD OF THERMAL CYANIDE DEGRADATION OF USED CATHODE LINES OF ALUMINUM ELECTROLYSIS CELLS

Country Status (6)

Country Link
AT (1) AT341238B (en)
CH (1) CH619272A5 (en)
DE (1) DE2628192A1 (en)
FR (1) FR2317224A1 (en)
IT (1) IT1066251B (en)
NO (1) NO144956C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111747395B (en) * 2020-07-07 2021-03-19 昆明理工大学 Method for deep defluorination by microwave roasting-hydrothermal alkaline leaching of aluminum electrolysis waste cathode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD109365A1 (en) * 1973-05-10 1974-11-05
JPS5137059B2 (en) * 1973-11-19 1976-10-13

Also Published As

Publication number Publication date
FR2317224B1 (en) 1981-06-19
ATA494675A (en) 1977-05-15
FR2317224A1 (en) 1977-02-04
IT1066251B (en) 1985-03-04
NO762191L (en) 1976-12-28
NO144956B (en) 1981-09-07
NO144956C (en) 1981-12-16
CH619272A5 (en) 1980-09-15
DE2628192A1 (en) 1977-01-20

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Legal Events

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