The screen may be perforated with differing sizes to increase separation. This picture shows the texture and consistency of solids after being separated by a mechanical separator. An inclined screen on the mechanical separator. You can see the wiping blades. Wastewater is pumped to the top of the screen, solids are separated out by a scraping system and drop off the end.
Liquids return to the waste storage pond.
This picture shows the texture and consistency of solids after being separated by a mechanical separator. This is a FAN Press Screw Separator. The solid material in this picture is sawdust. This separator is used to separate solids out of a mixed waste stream. This is a two stage mechanical separator.