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Gold Science and Technology ›› 2018, Vol. 26 ›› Issue (1): 89-97.doi: 10.11872/j.issn.1005-2518.2018.01.089

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Study on the Gold Flotation Technology and Process Mineralogy of a Cyanide Residue

SONG Xuewen 1,ZHU Jiaqian 1,LUO Zengxin 2,CHEN Bo 1   

  1. 1.College of Zijin Mining,Fuzhou University,Fuzhou    350108,Fujian,China;2.Zijin Mining Group Co.,Ltd.,Shanghang    364200,Fujian,China
  • Received:2017-05-05 Revised:2017-08-28 Online:2018-02-28 Published:2018-05-19
  • Contact: 陈波(1975-),男,吉林松原人,博士,副教授,从事多金属复杂硫化矿浮选分离技术、低品位金回收及尾矿综合利用等方面的研究工作。chenbo@fzu.edu.cn

Abstract:

A detailed mineralogy process study of a cyanide residue was performed,and the valuable metal elements is gold with the content of 2.51×10-6,which is mainly contained in pyrite and arsenopyrite.Single factor flotation test was performed according to property of mineral ore.Eventually,achieving the grade of gold concentration is18.70×10-6 and recovery is 70.18% in suitable flotation conditions by adding CuSO4,ammonium dibutyl dithiophosphate and buylxanthate,whose dosage are 150×10-6,70×10-6 and 100×10-6,respectively,into the pulp in the test and cyanide residue without grinding,CN- excluded by H2SO4,and the pH of pulp is 6.5,and also performing one roughing,two scavenging and three times cleaning.

Key words: cyanide residue, gold, pyrite, flotation technology

CLC Number: 

  • TD953

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