METHOD FOR TREATMENT OF COPPER ANODES TO BE ELECTROREFINED

An anode for copper electrolysis is given improved dissolving activity and enhanced ability to curb the phenomenon of passivation by a cooling treatment which is carried out at a cooling speed of from 20.degree.C/hour to 400.degree.C/hour to at least 400.degree.C, preferably to 200.degree.C.

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Bibliographische Detailangaben
Hauptverfasser:	IMAMURA, TATSUO, KATOH, MITSUO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS THEREFOR CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS METALLURGY PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	An anode for copper electrolysis is given improved dissolving activity and enhanced ability to curb the phenomenon of passivation by a cooling treatment which is carried out at a cooling speed of from 20.degree.C/hour to 400.degree.C/hour to at least 400.degree.C, preferably to 200.degree.C.