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Treating the sludge to aid in thickening is known as conditioning the sludge,_Once the sludge has been conditioned, it may be dewatered in a lagoon, drying bed, or one of several other devices. Other processes used to dewater sludge include filter presses, belt filter presses, centrifuges, and vacuum filters.
SLUDGE TREATMENT INDUSTRY . The sludge treatment industry arises from problems linked to the treatment of civil and industrial waste water. The use of abundant water generates a large quantity of waste water which requires special treatment to remove the harmful substances contained in it before it can be recycled back into nature.
