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Outline
Aiming at the problems of high turbidity and organic phase content in the uranium-molybdenum raffinate, which affect the return utilization, the experimental study on the removal of organic phase in the raffinate by flocculation pretreatment was carried out. The results show that the turbidity and organic phase contents in the raffinate can be reduced from 1 500 NTU and 294 mg/L to 0 NTU and 44.8 mg/L respectively under the conditions that the dosage of C6140 is 2.0 g/m3 raffinate, stirring speed is 60 r/min, stirring time is 10 s, and static time is 40 min after stirring. The process parameters obtained from the study have strong adaptability to the change of turbidity of raffinate, and the flocculation pretreatment process parameters can be used in production.
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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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