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J4 ›› 2002, Vol. 10 ›› Issue (1): 18-22.

• article • Previous Articles     Next Articles

THE STUDY OF TESTING TO IMPROVE LEACHING RATE OF CIL TECHNOLOGY OF A CERTAIN TINY CARBONACEOUS SCHIST GOLD ORE

REN Jinju , MA Jing   

  1. Northwest Nonf errous Geological Research Instit ute , Xi’an S haanxi 710054 , China
  • Received:2001-10-08 Revised:2001-12-04 Online:2002-02-28 Published:2011-12-13

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Abstract:

This testing unveiled the reason of low leaching rate of CIL technology of acertaintiny carbonaceous schist gold ore , and emphatically studied how to improve the fine2grinding and pretreatment CIL testing . This testing recovered that gold grade of leached dust was decreased from CIL 0. 50g/ t to 0.29g/ t directly , and leaching rate was increased by 5. 23 % ,so that economic benefit increased by RMB 3. 2634 million annually .

Key words: fine-rinding, leaching agent, grade of leached dust, gold leaching rate

CLC Number: 

  • TF831/ TF801. 3

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