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2010•Metal Materials and Metallurgy EngineeringRequires access

Research on the Electrolyze High Impurities Copper with CuNO_3-HNO_3 System

Kexin Wang

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Abstract

The copper recovered from jamesonite concentrate contains too much impurities like lead,sliver,antimony and bismuth,and can’t be refined with normal electrolysis process.The electrolysis process with CuNO3-HNO3 electrolyte can effectively separate copper and silver,and avoid anodic passivation.At last,it points out the problems of electrolysis,such as higher cell voltage and lower current efficiency.

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What this paper is about

The copper recovered from jamesonite concentrate contains too much impurities like lead,sliver,antimony and bismuth,and can’t be refined with normal electrolysis process.The electrolysis process with CuNO3-HNO3 electrolyte can effectively separate copper and silver,and avoid anodic passivation.At last,it points out the problems of electrolysis,such as higher cell voltage and lower current efficiency.

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Available abstract

The copper recovered from jamesonite concentrate contains too much impurities like lead,sliver,antimony and bismuth,and can’t be refined with normal electrolysis process.The electrolysis process with CuNO3-HNO3 electrolyte can effectively separate copper and silver,and avoid anodic passivation.At last,it points out the problems of electrolysis,such as higher cell voltage and lower current efficiency.

Key concepts: Electrolysis, Antimony, Copper, Electrolytic process, Impurity, Electrolytic cell, Passivation, Electrolyte

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