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THE STUDY OF DRESSING COPPER AND GOLD IN COPPER ORE

YE Feng-hong

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Abstract

The gravity—flotation joint process is adopted for recovering the copper and gold from a low-grade copper ore.The recovery of gold is enriched through the gravity separation and the grade of gold can be further improved by shaking table.The gold concentrate with grade of 121.45 g/t and recovery of 60.73% are obtained.Oxygen sulfur mixing flotation process is adopted for recovering the copper and the final copper concentrate with grade of 12.56% and recovery of 80.49% is obtained through one stage roughering,four stages of cleaning and three stages of scavenging.Furthermore,the grade of gold in copper concentrate reaches 10.77 g/t,which meets the valuation standard.

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What this paper is about

The gravity—flotation joint process is adopted for recovering the copper and gold from a low-grade copper ore.The recovery of gold is enriched through the gravity separation and the grade of gold can be further improved by shaking table.The gold concentrate with grade of 121.45 g/t and recovery of 60.73% are obtained.Oxygen sulfur mixing flotation process is adopted for recovering the copper and the final copper concentrate with grade of 12.56% and recovery of 80.49% is obtained through one stage roughering,four stages of cleaning and three stages of scavenging.Furthermore,the grade of gold in copper concentrate reaches 10.77 g/t,which meets the valuation standard.

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Available abstract

The gravity—flotation joint process is adopted for recovering the copper and gold from a low-grade copper ore.The recovery of gold is enriched through the gravity separation and the grade of gold can be further improved by shaking table.The gold concentrate with grade of 121.45 g/t and recovery of 60.73% are obtained.Oxygen sulfur mixing flotation process is adopted for recovering the copper and the final copper concentrate with grade of 12.56% and recovery of 80.49% is obtained through one stage roughering,four stages of cleaning and three stages of scavenging.Furthermore,the grade of gold in copper concentrate reaches 10.77 g/t,which meets the valuation standard.

Key concepts: Copper, Metallurgy, Copper extraction techniques, Gold ore, Recovery rate, Materials science, Chemistry, Chromatography

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