The possibilities of using flotation techniques to beneficiate gold-bearing ores containing enargite for producing concentrates for pyrometallurgy are explored. The ores concerned occur in deposits in the Serrenti-Furtei district and are refractory to cyanidation. It has been demonstrated that with the appropriate choice of flotation reagents and concentrations, marketable products can be obtained. However, their value is impaired by the high arsenic content, so preliminary treatment for wet arsenic removal is suggested prior to pyrometallurgical processing.
Beneficiation of gold sulphide ores from South Sardinia, Italy
SERCI, ANTONELLO;
2000-01-01
Abstract
The possibilities of using flotation techniques to beneficiate gold-bearing ores containing enargite for producing concentrates for pyrometallurgy are explored. The ores concerned occur in deposits in the Serrenti-Furtei district and are refractory to cyanidation. It has been demonstrated that with the appropriate choice of flotation reagents and concentrations, marketable products can be obtained. However, their value is impaired by the high arsenic content, so preliminary treatment for wet arsenic removal is suggested prior to pyrometallurgical processing.
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