Attached Growth Design: baf
baf dnf loading continuous backwash min to baf o2 transfer df sunken 2p0m max
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 min |
|---|---|---|---|---|
| baf | baf dnf loading continuous backwash min | DNF volumetric loading - continuous backwash minimum | kg NO3-N/m³·d | 0.3 |
| baf | baf dnf loading downflow sunken max | DNF volumetric loading - downflow sunken media maximum | kg NO3-N/m³·d | 3.2 |
| baf | baf dnf loading downflow sunken min | DNF volumetric loading - downflow sunken media minimum | kg NO3-N/m³·d | 0.3 |
| baf | baf dnf loading upflow floating max | DNF volumetric loading - upflow floating media maximum | kg NO3-N/m³·d | 2 |
| baf | baf dnf loading upflow floating min | DNF volumetric loading - upflow floating media minimum | kg NO3-N/m³·d | 1.5 |
| baf | baf dnf loading upflow sunken max | DNF volumetric loading - upflow sunken media maximum | kg NO3-N/m³·d | 5 |
| baf | baf dnf loading upflow sunken min | DNF volumetric loading - upflow sunken media minimum | kg NO3-N/m³·d | 0.8 |
| baf | baf o2 transfer df sunken 1p6m max | BAF O2 transfer efficiency - downflow sunken 1.6 m depth maximum | % per m depth | 5.5 |
| baf | baf o2 transfer df sunken 1p6m min | BAF O2 transfer efficiency - downflow sunken 1.6 m depth minimum | % per m depth | 3.4 |
| baf | baf o2 transfer df sunken 2p0m max | BAF O2 transfer efficiency - downflow sunken 2.0 m depth maximum | % per m depth | 8.5 |
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