Primary Sewage Treatment Plant has a bar screen to remove all large objects like cans, rags, sticks, plastic packets etc. Carried in the sewage stream. The Treatment Plant can be availed with three types of Grit chambers: horizontal grit chambers, aerated grit chambers and vortex grit chambers. The Treatment Plant is designed with equalization basins may be used for temporary storage of diurnal or wet-weather flow peaks. The Primary Sewage Treatment Plant is equipped with tanks that are used to settle sludge while grease and oils rise to the surface and are skimmed off.
