VOLUTE DUO™ removes COD to a level comparable to a DAF unit
Background
VOLUTE DUO™ caught the attention of the customer thanks to its suitability for raw wastewater treatment and its availability for a long-term rental on short notice. In addition, the customer was interested in YESfloc, coagulants and flocculants, that provide the best flocculation quality.
Installation details
The RVP-241 in combination with YESfloc® flocculant CWE35 and pH neutralization demonstrated very effective performance reaching sludge cake dryness as high as 29 %, and a suspended solids capture rate of 99.6 %. Customer´s satisfaction was clearly shown especially in the moment when they started finding our about the possibilities of acquiring a VOLUTE DUO™ unit as a permanent installation. The analysis of the dewatered sludge indicated the possibility to remove 67 % of COD, which is comparable to the achievement of the alternative solution, the DAF system.
| Model | RVP-241 |
| Sludge type | Raw wastewater |
| Total Solids (TS) | 7 % |
| Flow rate | 218 l/h |
| Throughput | 15.3 kg-DS/h |
| Cake DS Contents | 29 % |
| SS Capture Rate | 99.6 % |
| Polymer dosage | 36.9 g/kg-DS |
