Sustainable Disposal of Water Treatment Plant Sludge by Reuse in Bricks Manufacturing

Abstract

Surface water treatment for consumable supplies normally includes coagulation, flocculation, sedimentation, and filtration processes for removing colloidal and suspended solids from raw water. All water treatment plant (WTP) produce waste/ residue known as water treatment sludge during the purification of raw water. The water treatment plant creates a substantial measure of municipal sludge that must be disposed of. Releasing this water treatment sludge into waterways, rivers, streams, ponds, lakes, drains and so on or landfilling the dewatered water treatment sludge is not an environmentally friendly disposal option. An essential issue is to discover the ecological destination for its final disposal. It is important to realize that generation of alum sludge may stay unavoidable in the current processing of drinking water treatment techniques. This work studies the possibility of assimilating water treatment waste into red burnt bricks for general civil construction work. Reuse of water treatment sludge as a construction and building material converts the waste into useful products that can mitigate disposal and environmental issues.