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| Intensify grinding to improving index of mineral processing of a low grade and fine-dissemination sandstone copper ore |
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Received:September 07, 2010
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| DOI：10.3969/j.issn.1005-7854.2011(01).005 |
| KeyWord:fine-dissemination；sandstone copper ore；fine grinding；flotation |
| Author | Institution |
| YANG Jing |
Kunming University of Science and Technology，Kunming ，China |
| NIE Qi |
Kunming University of Science and Technology，Kunming ，China |
| FENG Zhi |
Kunming University of Science and Technology，Kunming ，China |
| PENG Fen-lan |
Kunming Metallurgy College，Kunming ，China |
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| Abstract: |
| According to the characteristics of a low grade sandstone copper ore, the tests of mineral processing are conducted. The research shows that the key to improving the flotation index is intensification fine grinding. The grinding fineness are 93% passing 0.038mm，after the flotation flowsheet of “triple roughing, once scavenging and twice cleaning”, finally copper concentrate grade of 24.57% and the recovery of 84.14% are obtained. |
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