Table 1 A summary of performances of different materials and designs for PM filtration in recent literatures in comparison to what is achieved in this work.
From: High-performance inertial impaction filters for particulate matter removal
Materials | QFa value (Pa−1) | Δpb for different flow rates(Pa) | Ec (%) | Test particles | Additional advantages | Ref. |
|---|---|---|---|---|---|---|
PAN nanofiber | 0.024 | 133 Pa for 3 m/s | 96.12 | PM2.5 | ~85% transparency | |
PI nanofiber | 0.1072 | 73 Pa for 0.2 m/s | 99.97 | PM2.5 | ~370 °C thermal stability | |
PAN nanofiber | 0.1014 | 80 Pa for 0.2 m/s | 99.97 | PM2.5 | ~230 °C thermal stability | |
Nylon-6 nanofiber | 0.062 | 42 Pa for 0.2 m/s | 92.73 | PM2.5 | ~10 times faster production speed | |
PAN nanofiber | 0.052 | 124 Pa for 0.6~0.8 m/s | 99.86 | PM2.5 | Large-scale direct coating | |
R-TENGd enhanced PI nanofiber | — | 17 Pa for 1 m/s 180 Pa for 5 m/s | 97 | PM | — | |
Nanofibrous MOFe | — | 20 Pa for 50 mL/min | 88.33 89.67 | PM2.5 PM10 | — | |
PVDFf nanofibers with NIPSg | 0.042 | 95 Pa for 0.0166 m/s | 98.33 | PM2.5 | Releasing negative ions | |
PVDF/PAN | 0.0954 | 45 Pa for 14 L/min | 98.34 | PM2.5 | Rapidly transferring moisture | |
Commercial-1 | 0.00062 | 299 Pa | 16.93 | PM2.5 | — | |
Commercial-2 | 0.0068 | 809 Pa | 99.58 | PM2.5 | — | |
This work | 0.380 0.524 | 10 Pa for 8.0 m/s | 97.77 99.47 | PM2.5 PM10 | Extremely low airflow resistance and pressure drop |