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Gold Science and Technology ›› 2016, Vol. 24 ›› Issue (3): 87-93.doi: 10.11872/j.issn.1005-2518.2016.03.087

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Experimental Study on a New Mineral Processing Technology for a Gold-Lead-Zinc Sulfide Ore in Anhui Province

FENG Zhangbiao1，YU Xianlin1，CHEN Jiang’an1，2#br#   

  1. 1.School of Resources and Environmental Engineering，Jiangxi University of Science and Technology，Ganzhou   341000，Jiangxi，China；
    2.Jiangxi Key Laboratory of Mining Engineering，Ganzhou   341000，Jiangxi，China
  • Received:2016-03-31 Revised:2016-04-19 Online:2016-06-28 Published:2016-10-08

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Abstract:

For a gold-lead-zinc complex polymetallic sulfide ore in Anhui has a problem such as the low ore dressing indexes，the dosage of reagent system is complex and big.The mineral composition and ore characteristic of raw-ore is analyzed and a large number of exploratory experiments is explored.The last put forward the principle of process to deal with the ore by magnetic separation removal of pyrrhotite，gold-lead bulk flotation，gold-lead separation flotation，activation of tailings flotation zinc.By closed circuit texts can obtain the good indicators，and the gold concent rate with the Au grade of 43.67×10-6 and recovery rate of 46.11%；lead concentrate with the Au grade of 162.00×10-6 and recovery rate of 35.39%， Pb grade of 38.53% and recovery rate of 72.24%，the accumulation of the gold recovery rate is 81.50%；zinc concent rate with the Zn grade of 42.76% and recovery rate of 67.46%.This new method has a better index than the traditional process，as it can not only improve dressing indexes，but reduce a lot reagents dosage.

Key words: gold-lead-zinc sulfide ore, magnetic separation, pyrrhotite, bulk flotation, gold-lead separation flotation

CLC Number: 

  • TD853

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