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J4 ›› 2003, Vol. 11 ›› Issue (6): 28-35.

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MINERAL CHARACTERISTIC AND EXTRACTIVE TECHNOLOGY OF CARBONACEOUS GOLD ORES

FANG Zhaoheng   

  1. Institute of Processing Engineering, Academy of Sciences, Beijing 100080, China
  • Received:2002-10-29 Revised:2002-12-15 Online:2003-12-30 Published:2011-11-24

Abstract:

The characteristic and composition of carbonaceous minerals in gold ores were reviewed. The negative action of carbonaceous minerals and pretreating processes to eliminate their influence in the gold cyanide process, as well as direct extractive technologies were summarized. The review was focused on aqueous chlorination as pretreating process and direct extraction of gold with hypochloric acid solution.

Key words: Carbonaceous gold ore, preteating process, chlorination, hypochloric acid

CLC Number: 

  • TF831

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