Full
Outline
With the exhaustion of high-grade magnesite resources, it is of great significance to carry out fine purification of low-grade magnesite through beneficiation methods. The most effective beneficiation method for magnesite is flotation, and the key factor determining the flotation effect is flotation collector. The research status of flotation collectors for magnesite at home and abroad was introduced, and the research progress of the interaction mechanism of collectors and magnesite and its gangue minerals were analyzed from two aspects, including macroscopic conventional characterization test technology and microscopic molecular simulation technology. Comprehensive analysis indicates that it is necessary to strengthen the research on new collectors for synergistic impurity removal. The combination of experiments and molecular simulation techniques to verify the flotation performance and mechanism of collectors will be the focus of future research. The new collector should also have the characteristics of green, environmental protection and no pollution while having high selectivity and collecting ability. The research results can provide a reference for the sustainable development of magnesite resources and the development of flotation reagents.
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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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