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Gold Science and Technology ›› 2014, Vol. 22 ›› Issue (6): 87-90.doi: 10.11872/j.issn.1005-2518.2014.06.087

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Application of Gravity Separation and Cyanidation Combined Process on Certain Gold Ore in Xinjiang Province

CHEN Shuibo,XIE Hongzhen,LAI Weiqiang,GUO Jinyi,YIN Han   

  1. Xiamen Zijin Mining and Metallurgy Technology Co.,Ltd.,Xiamen   361101,Fujian,China
  • Received:2014-07-10 Revised:2014-09-23 Online:2014-12-28 Published:2015-01-14

Abstract:

Gravity separation and cyanidation combined process was applied on the hydrothermal alteration types  gold ore in Xinjiang Province.The test results revealed that coarse gold concentrate with grade of 311.70×10-6 and recovery of 42.23% was obtained using Knelson centrifugal separator under the conditions of gravity value of 60 and fluidzed water volume of 3.5~4.0 L·min-1.Gold leaching efficiency of gravity separation tailings was 97.41% using cyanidation process under the conditions of milling size of -0.045 mm 90%,cyaniding time of 24 h and pulp density of 40%.Therefor, the total recovery of gold ore was 98.81% using gravity separation and cyanidation combined process.

Key words: alteration type gold deposit, gravity separation and cyanidation, cyanidation time, tailings recovery

CLC Number: 

  • TD953

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