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Outline
Beneficiation tests were conducted on a high-talc complex copper-molybdenum ore. Two process schemes were explored, including pre-flotation for talc removal and direct talc depression. The results show that partial talc can be removed by pre-flotation with tap water, and pre-flotation with plant recycling water leads to high loss rates of copper and molybdenum in froth products, failing to separate easily floatable gangue minerals from copper-molybdenum minerals. By adopting a new depressant TCM-596 for direct talc depression in flotation with recycling water, a closed-circuit test produced a copper-molybdenum bulk concentrate with Cu recovery of 81.60%, Mo recovery of 63.95%, and MgO content of 2.43%. This indicates that talc is depressed and effectively separated from copper-molybdenum minerals, actualizing efficient enrichment of the high-talc copper-molybdenum ore.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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