Flottweg SE

Efficient Sludge Treatment in Waterworks and Sewage Treatment Plants - Applications Note

All water on earth circulates in a closed loop. The total quantity of water on earth amounts to 1.4 billion cubic-kilometers, 96.5% of which is sea water in the oceans. Only 3.5% is fresh water. However, more than half of this fresh water is in the form of ice on the poles, glaciers, and permafrost. Clean water is becoming an increasingly ...