Research Article
Evaluation of Particulate Matter Capture and Long-Term Clogging Characteristics of Different Filter Media for Pavement Runoff Treatment
Table 2
Typical diameter indices of runoff through filter media with different layer thickness.
| | Index (μm) | Influent runoff | Zeolite | Ceramsite | Slag | Diatomite | Vesuvianite | | 10 cm | 20 cm | 30 cm | 10 cm | 20 cm | 30 cm | 10 cm | 20 cm | 30 cm | 10 cm | 20 cm | 30 cm | 10 cm | 20 cm | 30 cm |
| | D10 | 52.3 | 2.11 | 1.76 | 1.55 | 8.81 | 2.11 | 1.97 | 3.17 | 2.22 | 1.77 | 2.63 | 1.98 | 1.86 | 2.20 | 1.83 | 1.45 | | D50 | 193.6 | 15.8 | 9.52 | 9.51 | 106.9 | 12.9 | 10.5 | 44.5 | 15.8 | 6.91 | 19.6 | 11.1 | 9.6 | 16.4 | 9.02 | 5.28 | | D90 | 400.7 | 102.8 | 64.0 | 53.9 | 310.5 | 95.7 | 51.7 | 175.2 | 117.9 | 47.24 | 88.9 | 67.3 | 52.6 | 98.5 | 47.8 | 18.3 |
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