Table 3.
Mass concentration of PM10, average mass of PM10 and filtration efficiency of PC nanofiber mats with different thickness
| Filtration experiment | Mass of PM10 (µg/m3) | Average mass of PM10 (µg/m3) | Filtration efficiency (%) | |
|---|---|---|---|---|
| 1 | 2 | |||
| Without using PC fiber mat | 1120 | 1188 | 1154 | |
| PC fiber mat with 1.64 mm thickness (one layer) | 124.43 | 124.21 | 124.32 | 89.22 |
| PC fiber mat with 3.16 mm thickness (two layer) | 95.70 | 93.54 | 94.62 | 91.80 |
| PC fiber mat with 4.33 mm thickness (three layer) | 80 | 81.66 | 80.83 | 93 |
| PC fiber mat with 5.72 mm thickness (four layer) | 80.09 | 79.56 | 79.82 | 93.08 |