Process of zinc electrodeposition by use of porous lead-based alloy anode

Process of zinc electrodeposition by use of porous lead-based alloy anode

The invention discloses a process of zinc electrodeposition by use of a porous lead-based alloy anode. The porous lead-based alloy is taken as the anode, a rolled aluminum plate is taken as the cathode and a leachate containing manganese and zinc is taken as the electrolyte to perform electrolytic z...

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Hauptverfasser: LYU XIAOJUN, LIU FANGYANG, NI HENGFA, LAI YANQING, YU XIAOYING, JIANG LIANGXING, ZHONG XIAOCONG
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APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS
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creator LYU XIAOJUN
LIU FANGYANG
NI HENGFA
LAI YANQING
YU XIAOYING
JIANG LIANGXING
ZHONG XIAOCONG
description The invention discloses a process of zinc electrodeposition by use of a porous lead-based alloy anode. The porous lead-based alloy is taken as the anode, a rolled aluminum plate is taken as the cathode and a leachate containing manganese and zinc is taken as the electrolyte to perform electrolytic zinc electrodeposition; the manganese ion concentration in the electrolyte is controlled to be lower than 0.5g/L in the electrolytic deposition process. According to the process, the content of manganese ions in the electrolyte is strictly controlled so that a protective layer can be formed on the surface of the porous lead-based alloy and no much manganese dioxide can be generated to block the pores of the porous lead-based alloy anode; the advantages of high surface area and low current density of the porous lead-based alloy anode can be kept; besides, the process is capable of reducing the consumption of pyrolusite and reducing the frequency of clearing anode mud, and suitable for industrial application.
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subjects APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS
title Process of zinc electrodeposition by use of porous lead-based alloy anode
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