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| The Research on Recycling Technique of Gold from Copper Tailings |
| Received:October 19, 2015 Revised:August 17, 2016 |
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| DOI： |
| KeyWord:tailings reelection， synergistic reagents，Mulliken charge |
| Author | Institution |
| LIU Ming-bao |
陕西省尾矿资源综合利用重点实验室/商洛学院化学工程与现代材料学院 |
| Yang chao-pu |
陕西省尾矿资源综合利用重点实验室/商洛学院化学工程与现代材料学院 |
| Yan zan |
陕西省尾矿资源综合利用重点实验室/商洛学院化学工程与现代材料学院 |
| Yin Wan-zhong |
东北大学资源与土木工程学院 |
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| Abstract: |
| The recycling technique of gold from copper tailing which containing gold 0.084 g/t,sulfur 2.74% was studied based on the mineralogy characteristics. The results showed that the test obtained a concentrate of S 43.34% with a recovery of 43.34% which containing Au 1.26g/t with a recovery of 42.06% by a closed-circuit of one stage roughing, one stage cleaning and one stage scavenging and the separation indexes of gold can achieve industry valuation standard. Theoretical analysis showed that the use of combination reagents can greatly improve the separation indexes of gold mineral.The combination of Y-89 and ammonium dibutyl dithiophosphate had a positive-negative effect on the indexes and the Mulliken charge population of the sulfur in collector groups was a key factor to the collection per- formance. |
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