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| Research on Beneficiation Technology of a deep sea polymetallic sulfide ore with sulfur-zinc type |
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Received:March 19, 2021
Revised:April 06, 2021
Accepted:April 13, 2021
Published Online:June 29, 2021
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| DOI： |
| KeyWord:deep sea sulphide; hydrother mal sediment; zinc-sulphur separation |
| Author | Institution |
| CUI Qiang |
Department of Mineral Processing,BGRIMM Technology Group |
| ZHOU Bing-zi |
Department of Mineral Processing,BGRIMM Technology Group |
| CHEN Kang-kang |
Department of Mineral Processing,BGRIMM Technology Group |
| ZHENG Gui-bing |
Department of Mineral Processing,BGRIMM Technology Group |
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| Abstract: |
| The zinc and sulfur grades of a sulfur-zinc type deep sea polymetallic sulfide are 20.44% and 36.6%, while the gold and silver are 6.89g/t and 141g/t. According to the properties of ore, the natural sulfur concentrate is obtained first, and then the zinc concentrate is obtained by the preferential flotation process of sulfur - zinc. Natural sulfur concentrate with sulfur grade of 70.36%, sulfur recovery of 23.09%, zinc grade of 14.61% and zinc recovery of 8.34% and zinc concentrate with zinc grade of 49.90% and zinc recovery of 85.56% can be obtained by closed-circuit process. The total recovery of zinc was 93.90%. After cyanide leaching of flotation tailings, the total recovery of gold and silver can reach 83.3% and 86.3%. |
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