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《Mining and Metallurgical Engineering》 2007-01
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A Novel Flowsheet to Recover Pyrite from Fankou Pb/Zn Mine Tailing

ZENG Mao-hua1,YAN Mei-feng1,XI Chang-sheng1,JIANG Rong-hua1,FANG Zhen-peng2(1.Department of Chemistry and Environment Engineering,Shaoguan University,Shaoguan 512005,Guangdong,China;2.Fankou Lead-Zinc Mine,Shaoguan 512325,Guangdong,China)  
Measures were taken to recover valuable minerals based on the analysis of the characteristic of Fankou lead-zinc mine tailings in No 1 tailings pond.40% gangue minerals can be discarded after a classification using 0.074 mm fine screens and a gravity separation using shaking tables,therewith the cost of the subsequent grinding and the flotation process can be reduced,while sulfur,lead,zinc,silver,gallium,germanium,and so forth,can be enriched.By controlling the dosage and the feeding time of sodium sulfide,the flotation condition of pyrite concentrate was optimized,and a novel technical flowsheet to recover pyrite from the Pb/Zn tailing pond was proposed.Bench test indicates that,after fine screening classification,gravity separation and flotation,sulfur concentrate with a sulfur grade of 35.7% and a recovery of 63.5% can be obtained.
【Fund】: 广东省科技厅重点项目(2004B16001201);; 韶关市重点科技项目(韶科2005-05)
【CateGory Index】: TD926.4
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