Attached Growth Design: trickling filter
tf dosing rate 1p6 operating to tf effluent bod low rate
Attached growth biological treatment design parameters — trickling filter (low rate, high rate, partial BOD, nitrification), TFSC, TFAS, IFAS, MBBR carrier properties and removal/volumetric fluxes, and BAF volumetric loadings, oxygen transfer, denitrification loadings, and backwash rates. Source: Metcalf & Eddy Wastewater Engineering 5th Ed., Chapter 9.
| process type | parameter id | parameter name | unit | value max | value min |
|---|---|---|---|---|---|
| trickling filter | tf dosing rate 1p6 operating | Operating dose at BOD loading 1.6 kg/m³·d | mm/pass | 300 | 100 |
| trickling filter | tf dosing rate 2p4 flushing | Flushing dose at BOD loading 2.4 kg/m³·d | mm/pass | — | 450 |
| trickling filter | tf dosing rate 2p4 operating | Operating dose at BOD loading 2.4 kg/m³·d | mm/pass | 450 | 150 |
| trickling filter | tf dosing rate 3p2 flushing | Flushing dose at BOD loading 3.2 kg/m³·d | mm/pass | — | 600 |
| trickling filter | tf dosing rate 3p2 operating | Operating dose at BOD loading 3.2 kg/m³·d | mm/pass | 600 | 200 |
| trickling filter | tf dosing rate low load flushing | Flushing dose at low BOD loading (<0.4 kg/m³·d) | mm/pass | — | 100 |
| trickling filter | tf dosing rate low load operating | Operating dose at low BOD loading (<0.4 kg/m³·d) | mm/pass | 75 | 25 |
| trickling filter | tf effluent bod high rate plastic | Effluent BOD - high rate plastic | mg/L | 30 | — |
| trickling filter | tf effluent bod high rate rock | Effluent BOD - high rate rock | mg/L | 30 | — |
| trickling filter | tf effluent bod low rate | Effluent BOD - low rate | mg/L | 30 | — |
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