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| The Production Practice of Comprehensive Recovering the Low Grade Refractory Polymetallic Ore in Kafang Mine |
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Received:September 24, 2013
Revised:April 24, 2014
Accepted:October 30, 2013
Published Online:September 09, 2014
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| DOI： |
| KeyWord:low-grade, scheelite;flotation, heating;concentration, sulphide;ore separation, production;practice |
| Author | Institution |
| Yuan Jingzhong |
Kafang Mine,Yunnan Tin Group,Gejiu,Yunnan |
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| Abstract: |
| For comprehensive recovering the low grade refractory polymetallic ore in Xinshan gentle dip deposit, Kafang, based on the process mineralogy, small-scale experiments and continuous separation tests , a combined process “sulphide bulk flotation- separate Cu/Mo from Bi/S of the bulk concentrates- separation between Cu and Mo, separation between Bi and S - scheelite flotation” has been conducted, and the industrialization construction of the 3000t/d concentrating plant has been developed. Although the raw ore grades of Bi and Mo are sharply decreasing with the concentrates not produced, the scheelite concentrates containing 50.76% WO3 with a recovery of 56.82% and the copper concentrates containing 9.93% Cu with a recovery of 62.33% could be obtained., which indicates a profound guiding significance and a wide application prospects. |
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