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| STUDY AND PRACTICE ON INCREASING RECOVERY OF COPPER AND SILVER IN YONGPING COPPER MINE |
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| DOI： |
| KeyWord:Skam copper deposit Separation of copper and sulphur ore Fractional selective flotation Bulk flotation, |
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| Abstract: |
| Due to variation of ore property, complication of mineral composition, high ratio of sulphur and copper, fine-grain dissemination of the associated silver and gold, and unregrinding of bulk rougher concentrate, it was difficult to separate copper from sulphur minerals and to increase the production in Yongping Copper Mine With fractional selective flotation, better selective collectors and regrinding of middlings, the copper minerals can be well separated from the sulphur and recoveries of copper and silver have been increased. The production practice showed that copper recovery is increased by 2.37%; silver recovery by 2. 59 %;more than 5 million RMB economic benefit can be obtained each year. |
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