Treatment Plant
Conventional activated sludge treatment, with primary and secondary clarification and chemical phosphorous removal.
Population serviced: |
600,000 |
Average daily flow: |
100 MIGD(450 MLD) |
Sludge production: |
30 t/day |
Application
Equipment: |
High solids Sharples centrifuges |
Old Mixer: |
Direct in-line addition |
New mixer: |
6” OPTIFLOC™ |
Flow: |
100 – 130 IGPM (7.5 – 10 L/s) |
Sludge type: |
Anaerobically digested |
Composition: |
55% primary
45% secondary |
Conditioner: |
Allied Colloids, dry, cationic |
Centrifuge Dewatering

Dosages to achieve plant targets of: |
Conventional Mixing |
Optifloc Mixing |
Cake Solids ≥ 30% TS |
7.9 kg/t |
7.0 kg/t |
Centrate TSS ≤ 1000 mg/L |
8.6 kg/t |
6.6 kg/t |
Cake ≥ 30% TS and Centrate TSS ≤ 1000 mg/L |
8.6 kg/t |
7.0 kg/t |
