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Gold Science and Technology ›› 2014, Vol. 22 ›› Issue (3): 65-69.doi: 10.11872/j.issn.1005-2518.2014.03.065

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The Beneficiation Test of a Refractory Gold Ore in Guangxi Province

REN Hongsheng，LANG Chunhui，XING Hongbo   

  1. Metallurgical Research Institute of Jilin Province，Changchun   130012，Jilin，China
  • Received:2014-01-16 Revised:2014-04-12 Published:2014-11-04

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Abstract:

The ore-dressing tests for a native gold ore in Guangxi Province were performed.And by the comparative study of flotation process conditions，the optimum operating conditions of rougher flotation were achieved，which include that：the grinding fineness was-0.075 mm which accounted for 70%，the copper sulfate is 200 g/t，the sodium carbonate is 500 g/t，the water glass is 500 g/t，the butyl xanthate is 60 g/t，the ammonium dibutyl dithiophosphate is 30 g/t，and the 2# oil is 30 g/t.Under the optimal conditions，the closed-circuit tests which are one-stage roughing，two-stage cleaning and two-stage scavenging were performed.Then the gold with the grade of 34.00×10-6 and the recovery of 81.19% can be obtained.

Key words: micro-disseminated gold ore, flotation, inclusion gold, closed-circuit test

CLC Number: 

  • TD952

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