Functional Principle of SchlammFIT®
During the clarification of wastewater sewage sludge is formed due to the nature of the system.
At many wastewater treatment plants the liquid sludge with a water content of about 95-98% is stored until its utilization.
In order to reduce the amount of water and to raise the solid content we have developed the SchlammFIT® system.
With only 1,5 – 2 kWh electrical power per m³ sewage sludge we can reduce the volume of the sewage sludge by up to 96 %.
Preparation
Loading the SchlammFIT® gutter
Unloading the SchlammFIT® gutter
The automatic filling process takes about 1-2 hours.
Afterwards the sewage sludge stays in the “filter box” until the next day.
During this time water flows out of the sludge continuously.
After 20-22 hours dwell time the dry matter content has risen to approximately 12-15%.
Now the sewage sludge is dumped over the whole hall width.
Spreading and drying
The final product
With the help of the natural sun radiation the rest of the water is evaporated from the sludge.
This is how the sewage sludge dries and at the end of the drying hall it can be collected and stored with a solid content of about 80 %.
So the volume of the sewage sludge is reduced by up to 96 %. From 1,000 m³ liquid sewage sludge only 35 tons dry pellets remain for utilisation.