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Outline
In-situ leaching uranium technologies has been widely used in the mining of sandstone uranium mines, and the potential environmental impact of in-situ leaching process on groundwater has always attracted wide attention from societies. This author summarized the progress of experimental researches on groundwater remediation technology at in-situ leaching uranium mines and analyzed the remediation technologies and effects of groundwater remediation cases on in-situ leaching uranium mines worldwide. The results show that the pump and treat technology with high restoration efficiency and short cycle repaired costly, and the continuous release of pollutants in the aquifer solid medium can lead to restoration rebound and tailing in the late restoration period. The natural attenuation technology has remarkable repair effect on both radioactive and non-radioactive elements. However, long remediation period and long-term monitoring of repair effect limited its applications. Therefore, the application of a single repair technology can be restricted by various factors, combining multiple remediation technologies, and different technologies in different repair stages will be applied in future. Combining the pump and treat technology and the natural attenuation technology can be considered as a groundwater remediation scheme in China.
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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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