The Challenges
- High polymer dosing needed on dewatering
- Risk of floc loss at lower dose
- Cake dryness to be held near 21% for the THP
- Centrate quality to stay within process limits
The Solution
One HydroFLOW® i160 unit was fitted to the incoming sludge feed pipe before polymer injection on centrifuge 3, during an October to November 2018 trial. The signal improves flocculation, so polymer demand falls while cake dryness and centrate quality hold.
