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J4 ›› 2009, Vol. 17 ›› Issue (6): 59-63.

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Experimental Research on Secondary Recovery of Heap-leaching Tailings of a Certain Gold M ine in Gansu

QI Ruixia1，XU Xiaojun1，LIU Hongdong2，WANG Jinxiang3，QI Xin4   

  1. 1．Xi’an Institute ofGeology and Mineral Resources Exploration，Xi’an   710100，Shaanxi，China；
    2．Dun’an Holding Group，Hangzhou   310009，Zhejiang，China；
    3．Xi’an Big Stone Heap Bioleaching Tech、Ltd．，Xi’an   710100，Shaanxi，China；
    4．School ofMetal Materials Engineering，Xi’an University ofTechnology，Xi’an   710032，Shaanxi，China
  • Received:2009-06-20 Revised:2009-09-04 Online:2009-12-30 Published:2011-07-15

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Abstract:

This paper presents a gold mine in Gansu secondary recovery tailings heap leaching of low-cost heap leaching process and test results．The grade of gold is 2．51 g／t，heap leaching tailings after more than two months of trial，the rate of gold leaching reached 32．29％，the pharmaceutical consumption of 0．14 kg／t．lime amount of 4．43 kg／t．Pharm aceutical consumption is low，out of 0．8 1 grams of gold per ton of ore.According to estimates of gold prices in recent years，very substantial economic benefits．Handicraft method has been easy to do simplely，a good solution to the gold mine tailings heap leaching of secondary recovery．

Key words: Heap-leaching tailings, Fraction, Secondary recovery, Gansu province

CLC Number: 

  • TD926.4


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[1] DUAN Liu-Tian, WANG Chi-Beng, WANG Gao-Tian, LI Chao-Qing. Study on Reclaiming of Gold from the Flotation Tailing Containg Arsenic and Cuprum of Chuantou Gold Deposit in Luoyang [J]. J4, 2009, 17(6): 63-65.
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