Wastewater Design: fm ratio step feed
Wastewater treatment design criteria — process design parameters (HRT, SRT, MLSS, F/M, loading rates, membrane flux, G values, filtration rates, membrane pressure/flux/energy, GAC contactor, air stripping, energy consumption by process, blower efficiency) and removal efficiencies (BOD, TSS, TN, TP) for activated sludge, SBR, MBR, oxidation ditch, trickling filter, aerated lagoon, facultative lagoon, grit chambers, rapid mixing, flocculation, depth filtration, MF, UF, NF, RO, GAC adsorption, and air stripping; also covers influent wastewater characterization (composition by strength, per-capita loadings, BOD/COD ratios) and design flowrates for commercial, institutional, and recreational facilities
| parameter id | category | design basis | parameter name | standard | subcategory | unit | value max | value min | value typical |
|---|---|---|---|---|---|---|---|---|---|
| fm ratio step feed | activated sludge | Metcalf & Eddy 5th Ed Table 8-14 | F/M ratio step-feed aeration | Metcalf & Eddy 5th Ed (2014) | step feed | lb BOD/lb MLVSS/day | 0.4 | 0.2 | 0.3 |
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators