ANODE FOR ELECTROWINNING METAL

ANODE FOR ELECTROWINNING METAL

PURPOSE:To enable a drop in anode potential while reducing the amount of Ag, by adding a specified amount of Ca to a Pb-Ag alloy. CONSTITUTION:This anode for electrowinning metal is made of an alloy having a composition consisting of 0.2-2.0wt% Ca, 0.2-1.2wt% Ag and the balance Pb with inevitable im...

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Hauptverfasser: KURIHARA JIROU, SAWAGUCHI FUJIO, HAYASHI CHIHIRO, KOIKE KAZUO
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 KURIHARA JIROU
SAWAGUCHI FUJIO
HAYASHI CHIHIRO
KOIKE KAZUO
description PURPOSE:To enable a drop in anode potential while reducing the amount of Ag, by adding a specified amount of Ca to a Pb-Ag alloy. CONSTITUTION:This anode for electrowinning metal is made of an alloy having a composition consisting of 0.2-2.0wt% Ca, 0.2-1.2wt% Ag and the balance Pb with inevitable impurities. By the composition the contamination of Zn or other metal deposited on a cathode with Pb can be reduced, and the anode potential can be dropped while reducing the amount of Ag. The anode is used to electrowinning metal in an acidic aqueous soln. of sulfuric acid.
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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 ANODE FOR ELECTROWINNING METAL
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