![](https://simeoni-srl.it/wp-content/uploads/schema_linkedIn_dec22_trenner_v2-3-1024x717.jpg)
More and more paper mills are installing a Trenner Filter before the DAF to reduce the TSS load and save in chemicals used and sludge to be disposed of. A second Trenner is then placed after the DAF to further ensure that the reused water is totally free of contaminants and does not clog the wash nozzles.