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Published: 1987

Total Pages: 113

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The potential of producing lead, and other base metals, from sulphide concentrates or ores in a chloride medium has been under consideration for several decades. The interest in trying to develop processes based on chloride leach/electrolysis has increased. This study involved a technical review of the state-of-the-art of the development of fused salt and aqueous electrolysis methods for producing lead from lead chloride produced by the ferric chloride leaching of sulphide concentrates, a comparison of these electrolysis processes, a conceptual design for a pilot plant scale cell, and formulation of guidelines for future work. The review, based on information compiled during a visit to the selected research centres and production facilities, and on published data, includes eight fused salt electrolysis, ten aqueous electrolysis and four other related technologies.