Failure to meet suspended solids limits (~45 mg/L)
Interfere with disinfectionBiomass produced
Contents of WWTALG:
Add CO2 to Balance C: N: P Algae: C: N: P = 50: 8:1
Wastewater: C: N: P = 20: 8: 1
Salient Features of WWTALG: Improved and accelerated treatment. Biomass fuel provides greenhouse gas abatement. WWTALG savings: ~Rs100 per L oil produced (Marginal oil cost is only for extraction/processing). Energy used in WW treatment decreases: 4 KWH saved per L oil produced.Fuel production residue becomes fertilizer.