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Outline
An experimental research on co-enrichment and recovery of multiminerals by flotation process was conducted for a lithium-niobium-tantalum-beryllium polymetallic ore in Western Sichuan. By adopting a process consisting of direct grinding and bulk flotation with self-developed EM-PN30 as a collector, a closed-circuit test produced a lithium-niobium-tantalum-beryllium concentrate grading 5.60% Li2O, 0.035% Nb2O5, 0.015% Ta2O5 and 0.138% BeO, with Li2O recovery of 85.98% and recoveries of other associated niobium, tantalum and beryllium at 73.13%, 78.33% and 52.58% respectively. It is concluded that a comprehensive enrichment and recovery of lithium, niobium, tantalum and beryllium from such polimetallic ore can be actualized, which can provide favorable conditions for the subsequent Nb/Ta separation and Li/Be separation by magnetic or gravity separation process.
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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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