Attached Growth Design: trickling filter
tf depth high rate rock to tf dosing rate 1p6 flushing
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 depth high rate rock | Depth - high rate rock | m | 2.5 | 1 |
| trickling filter | tf depth low rate | Depth - low rate | m | 2.5 | 1 |
| trickling filter | tf depth nit plastic | Depth - plastic nitrification | m | 12 | 3 |
| trickling filter | tf depth nit rock | Depth - rock nitrification | m | 2.5 | 1 |
| trickling filter | tf depth partial | Depth - partial BOD removal | m | 6 | 0.9 |
| trickling filter | tf dosing rate 0p8 flushing | Flushing dose at BOD loading 0.8 kg/m³·d | mm/pass | — | 150 |
| trickling filter | tf dosing rate 0p8 operating | Operating dose at BOD loading 0.8 kg/m³·d | mm/pass | 150 | 50 |
| trickling filter | tf dosing rate 1p2 flushing | Flushing dose at BOD loading 1.2 kg/m³·d | mm/pass | — | 220 |
| trickling filter | tf dosing rate 1p2 operating | Operating dose at BOD loading 1.2 kg/m³·d | mm/pass | 225 | 75 |
| trickling filter | tf dosing rate 1p6 flushing | Flushing dose at BOD loading 1.6 kg/m³·d | mm/pass | — | 300 |
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