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Outline
Flotation wastewater treatment is of great significance to reduce environmental pollution, save water resources and promote the sustainable development of the mining industry. The present situation of treatment technology of flotation wastewater was reviewed, based on the analysis of the source, characteristics and harm of flotation wastewater, the research progress of physical, chemical and biological treatment technology of flotation wastewater was summarized. The results show that the physical methods such as coagulation-flocculation and adsorption have slow processing speed, and the removal effect of complex pollutants such as organic agents is limited. Advanced oxidation technologies such as Fenton method and ozone method are expected to become an important development direction of flotation wastewater treatment in the future because of their simple operation and high efficiency. The microbial method has a significant advantage of no secondary pollution, but it is urgent to solve the problems of long treatment time and difficult adaptation of microorganisms to the environment of flotation wastewater. In the future, different processes can be combined to form a treatment technology system of flotation wastewater for different reuse needs.
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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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