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Outline
In Yuanjiacun iron mine, the mineral processing water is recycled and then reused in flotation and magnetic processing stage, resulting in dissatisfied processing indicators. To address this problem, simulated wastewater was used to investigate the corresponding treatment technology and the mineral processing performance of the treated wastewater. Based on the verification with the recycle water on site, it is found that polyacrylamide (PAM), blue liquor and Ca2+ are the primary water quality factors influencing separation performance, and sodium hypochlorite, potassium ferrate and sodium carbonate can be used respectively to treat the mineral processing water containing them. After treatment, the recycle water is returned to the concentrator, leading to the processing indicators comparable to those obtained with clean water.
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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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