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| Experimental study on new fast-branch flotation process of Dapingzhang Copper Mine in Yunnan Province |
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Received:December 08, 2023
Revised:December 21, 2023
Accepted:December 22, 2023
Published Online:March 24, 2025
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| DOI： |
| KeyWord:copper sulphide ore; copper-sulphur separation; branch flotation; rapid flotation |
| Author | Institution |
| Xie Zihua |
College of Land Resources Engineering,Kunming University of Science and Technology |
| Wei Zhicong |
College of Land Resources Engineering,Kunming University of Science and Technology |
| Li Mengyu |
College of Land Resources Engineering,Kunming University of Science and Technology |
| Liu Yang |
College of Land Resources Engineering,Kunming University of Science and Technology |
| Huan Yan |
College of Land Resources Engineering,Kunming University of Science and Technology |
| Qu Junnan |
College of Land Resources Engineering,Kunming University of Science and Technology |
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| Abstract: |
| The copper and sulfur separation process of Yunnan Simao Dapingzhang Copper Mine has the problems of high reagent consumption, high energy consumption and unsatisfactory flotation indexes, which brings difficulties to the enterprise to improve the economic efficiency indexes. In order to solve the above problems and achieve the goal of "increasing quality and reducing consumption", a branch flotation method was adopted to carry out experimental research on Dapingzhang copper ore. The study shows that the new "fast-branch" flotation process can ef-fectively improve the grade of copper concentrate and reduce the dosage of chemicals. Using the new combined flotation process, a copper concentrate with a copper grade of 19.05% and a copper recovery of 91.63% can be obtained, and the grades and recovery rates of gold and sil-ver are 0.53 g/t, 20.10 g/t, 12.75% and 31.66%, respectively. Compared with the single-branch flotation process, the grades of copper, gold and silver were increased by 1.45, 0.18 and 9.40 percentage points, respectively, and the dosage of compound xanthate and frother DEP was re-duced by about 12% and 31%, respectively. |
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