Method for manufacturing high purity tin, electrowinning apparatus for high purity tin and high purity tin

Method for manufacturing high purity tin, electrowinning apparatus for high purity tin and high purity tin

Provided is a method for manufacturing high purity tin including: depositing electrodeposited tin on the surface of a cathode by electrowinning in an electrolytic bath in which a diaphragm is placed between an anode and the cathode, by using a raw material for tin as the anode and a leachate obtaine...

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Hauptverfasser: Takahashi, Hirofumi, Imori, Toru, Takemoto, Kouichi, Ouchi, Takashi
Format: Patent
Sprache:eng
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ALLOYS
APPARATUS THEREFOR
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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creator Takahashi, Hirofumi
Imori, Toru
Takemoto, Kouichi
Ouchi, Takashi
description Provided is a method for manufacturing high purity tin including: depositing electrodeposited tin on the surface of a cathode by electrowinning in an electrolytic bath in which a diaphragm is placed between an anode and the cathode, by using a raw material for tin as the anode and a leachate obtained by electrolytically leaching the raw material for tin in a sulfuric acid solution as an electrolytic solution, the electrolytic solution containing a smoothing agent for improving a surface property of the electrodeposited tin; discharging the electrolytic solution from the electrolytic bath such that lead in the discharged electrolytic solution is removed; and putting the electrolytic solution from which lead is removed back into the electrolytic bath.
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subjects ALLOYS
APPARATUS THEREFOR
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
title Method for manufacturing high purity tin, electrowinning apparatus for high purity tin and high purity tin
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