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Gold Science and Technology ›› 2013, Vol. 21 ›› Issue (5): 127-131.

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The Experimental Study on the All-sliming Cyanidation Condition Optimal Control of Veinlet Disseminated Gold Ore Containing Arsenic and Antimony

BI Fenglin,FENG Yuhua   

  1. Jinchiling Gold Mine,Zhaojin Mining Co.,Ltd.,Zhaoyuan   265400,Shandong,China
  • Received:2013-06-22 Revised:2013-08-16 Online:2013-10-28 Published:2014-04-02

Abstract:

It is difficult to choose gold ore when stibnite,arsenopyrite is impregnated with gangue.There is a close symbiotic relationship among stibnite,syprite and arsenopyrite which has great slimming,high grade,but weak washability,all-sliming cyanide recovery rate is 47.62%.Orthogonal factorial method is used to select all-sliming cyanide optimization control conditions.In this method,NaOH is used as alkali leaching reagents,the mineral grinding fineness takes 85%,cyanide leaching time and concentration is 32 h and 60 kg/t,cyanide leaching temperature is 26 ℃,cyaniding is operated after leaching with a NaCN concentration of 5~10 per ten thousand and a leaching time of 32 h,and the rate of leaching is up to 85.04%.

CLC Number: 

  • TF831

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