Attitudes in Sludge Treatment and Disposal

by Richard I. Dick, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Delaware, Newark, DE,

Serial Information: Journal of the Environmental Engineering Division, 1974, Vol. 100, Issue 5, Pg. 1077-1087

Document Type: Journal Paper


In addition to improving the technology, there is a need to reassess some of the attitudes which have influenced present sludge management schemes. While the focus for many sludge management systems is sludge dewatering, removal of water from sludge may not be necessary or economically feasible in all instances. It is suggested that not all wastewater treatment facilities should have sludge treatment and disposal facilities—indeed, regional sludge management facilities may be preferable even for the largest cities. Present waste management practices often result in admitting waste constituents to sewerage systems which seriously interfere with all conceivable sludge management practices. Additionally, some present sludge management practices do not adequately recycle or dispose of sludge, but merely stockpile it for future generations.

Subject Headings: Wastewater treatment plants | Water treatment plants | Sludge | Systems management | Dewatering | Economic factors | Wastewater treatment | Urban areas

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