Table 5. Filtration Performance of the Bimodal Filter and Other Commercial Filters at a Flow Rate of 95 L min–1.
filters | basis weight (g m–2) | pressure drop (Pa) | filter efficiency (%) | QF (Pa–1) |
---|---|---|---|---|
SB-B | 3.2 ± 0.5 | 168 | 98.89 | 0.02680 |
F7 | 70.3 ± 0.9 | 76 | 38.63 | 0.00642 |
F8 | 77.9 ± 1.0 | 116 | 64.24 | 0.00840 |
F9 | 71.5 ± 1.2 | 172 | 75.26 | 0.00812 |
H13 | 80.3 ± 1.2 | 874 | 99.93 | 0.00831 |
U15 | 78.0 ± 0.9 | 1155 | 99.99 | 0.00797 |