Let’s walk across a visual proof of physical-chemical separation effectiveness. Through water pressurization sludge floates in the surface and clean water is evacuated underneath.
On this particular example, bilogical sludges are driven upwards while clean water, that has already compleated the treatments in the plant, es evacuated. It is noticeable how thick sludges are, getting attached to the blades. Below it, clean water is completely clear.
On this other example, greases are floating while water is driven to the treatment plant for mixing and other treatments. In this case, grease sludges are directly conected to solid container, as they will strenghten at 15ºC.