ELECTROWINNING METHOD FOR TIN

PROBLEM TO BE SOLVED: To provide an electrowinning method for tin, by which the Fe-grade in electrodeposited tin can be reduced and an electrolytic solution can be reused after electrolysis. SOLUTION: When electrowinning of tin is carried out by using, as an electrolytic solution, a tin-containing b...

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1. Verfasser:	INOGUCHI KOSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an electrowinning method for tin, by which the Fe-grade in electrodeposited tin can be reduced and an electrolytic solution can be reused after electrolysis. SOLUTION: When electrowinning of tin is carried out by using, as an electrolytic solution, a tin-containing basic solution containing impurities, an anode in which at least a surface part is made of nickel or a nickel-based alloy is used. As the anode in which at least the surface part is made of nickel or a nickel-based alloy, an anode wholly made of nickel or the nickel-based alloy can be used or an anode obtained by plating a conductive material such as a steel plate or a copper plate with nickel can be used. COPYRIGHT: (C)2009,JPO&INPIT