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Gold Science and Technology ›› 2013, Vol. 21 ›› Issue (5): 145-148.

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Experimental Study on the Effect of Leaching of Gold Ore by High Pressure Roller Mill

XIE Hongzhen，HU Jiehua，YIN Han   

  1. Zijin Mining and Metallurgy Technology Co.，Ltd.，Xiamen   361101，Fujian，China
  • Received:2013-07-15 Revised:2013-08-31 Online:2013-10-28 Published:2014-04-02

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Abstract:

We introduce the working principle and the application of the high pressure roller millin gold mine.Granularity sieve analysis test of which the high-pressure roller mill samples and the conventional crushing samples show that the proportion of fine part was substantial increased by high pressure roller mill.So the application of high pressure roller grinding could achieve the effect of more crushing and less grinding.And the cyanide test showed that：compared with the conventional crushing，the high pressure roller mill has obvious advantages in heap leaching process，and the gold leaching rate of three samples were improved greatly，which were increased from 65.15%，52.74%，76.05% to 77.27%，85.71%，87.46%.But it has not difference in all-slime cyanidation process for the gold leaching rate between high pressure roller mill and conventional crushing.

Key words: high pressure grinding roll, gold, leach test

CLC Number: 

  • TF831

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