EXTRACTION OF GOLD AND SILVER

EXTRACTION OF GOLD AND SILVER A process for the extraction of gold and silver from their ores in which the ore is reduced to a particle size of 1 mm or less and mixed with a lixiviant e.g. alkaline sodium or potassium cyanide, in an amount to provide a liquor content of about 8 to 12%, the lixiviant...

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Bibliographic Details
Main Authors BALAKRISHNAN, RAMACHANDRAN, SKINNER, GEOFFREY F
Format Patent
LanguageEnglish
French
Published 18.08.1981
Subjects
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:EXTRACTION OF GOLD AND SILVER A process for the extraction of gold and silver from their ores in which the ore is reduced to a particle size of 1 mm or less and mixed with a lixiviant e.g. alkaline sodium or potassium cyanide, in an amount to provide a liquor content of about 8 to 12%, the lixiviant coated particles are allowed to react for a time sufficient for the lixiviant to extract the noble metal and the particles washed with water to obtain a solution of the noble metal salt from which the noble metal is recovered.
Bibliography:Application Number: CA19780297918