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In this study, swine wastewater was treated using constructed wetland-microbial fuel cell（CW-MFC）technology. The pollutant removal efficiency, bioelectricity generation and microbial community structure were evaluated. The results showed that after treated the swine wastewater by the experimental system planted with umbrella grass（PCW-MFC）, the average removal efficiencies of NH4+-N, TP and sulfadiazine（SDZ）were increased by approximately 5%, 10%, and 3% respectively, and the output voltage, coulombic efficiency, and maximum power density were recorded as 415.93mV, 49.10%, and 51.12mW/m3, respectively. The relative abundances of Proteobacteria, Bacteroidetes and Firmicutes were increased by umbrella grass, which played a key role in pollutant removal and bioelectricity generation.
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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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