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| Beneficiation of a High Grade Copper Oxide Ore Containing Native Copper in Thayamontana，Bolivia |
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Received:May 24, 2022
Revised:June 06, 2022
Accepted:June 07, 2022
Published Online:October 25, 2022
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| DOI： |
| KeyWord:copper oxide;native copper;gravity concentration;flotation |
| Author | Institution |
| Kang Xuan-xiong |
Faculty of Land Resource Engineering,Kunming University of Science and Technology |
| Ye Guo-hua |
Faculty of Land Resource Engineering,Kunming University of Science and Technology |
| ZhuSi-qin |
Faculty of Land Resource Engineering,Kunming University of Science and Technology |
| Liang Xue-yin |
Faculty of Land Resource Engineering,Kunming University of Science and Technology |
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| Abstract: |
| The Thayamontana copper deposit in Bolivia contains 3.86 % Cu, 70.69 % Cu oxidation rate, and 13.07 % Cu exists in the form of native copper, which belongs to high-grade refractory copper oxide containing native copper. According to the characteristics of ore, the separation experiment was carried out. The results show that under the optimal conditions, the gravity-flotation combined process of “ gravity concentration in shaking table – stepwise optimization of tailings in shaking table ” is adopted, and good technical indexes are obtained. The Cu grade of the concentrate in shaking table is as high as 46.35 %, and the Cu grade of the flotation concentrate is 22.21 %, and the total recovery of Cu is 85.28 %. |
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