Attached Growth Design: baf
baf o2 transfer df sunken 2p0m min to baf volumetric loading bod removal 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 o2 transfer df sunken 2p0m min | BAF O2 transfer efficiency - downflow sunken 2.0 m depth minimum | % per m depth | 5 |
| baf | baf o2 transfer uf floating 3p0m | BAF O2 transfer efficiency - upflow floating 3.0 m depth | % per m depth | 6.7 |
| baf | baf o2 transfer uf floating 3p6m max | BAF O2 transfer efficiency - upflow floating 3.6 m depth maximum | % per m depth | 8 |
| baf | baf o2 transfer uf floating 3p6m min | BAF O2 transfer efficiency - upflow floating 3.6 m depth minimum | % per m depth | 3.6 |
| baf | baf o2 transfer uf sunken 3p6m max | BAF O2 transfer efficiency - upflow sunken 3.6 m depth maximum | % per m depth | 5.8 |
| baf | baf o2 transfer uf sunken 3p6m min | BAF O2 transfer efficiency - upflow sunken 3.6 m depth minimum | % per m depth | 1.6 |
| baf | baf o2 transfer uf sunken 4p0m | BAF O2 transfer efficiency - upflow sunken 4.0 m depth | % per m depth | 5 |
| baf | baf volumetric loading bod nit max | BAF volumetric loading - BOD removal and nitrification maximum | kg BOD/m³·d | 2.5 |
| baf | baf volumetric loading bod nit min | BAF volumetric loading - BOD removal and nitrification minimum | kg BOD/m³·d | 1.8 |
| baf | baf volumetric loading bod removal max | BAF volumetric loading - BOD removal maximum | kg BOD/m³·d | 5.5 |
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