New Wastewater Process Cuts Plant Costs 60%

by Stan A. Christopher, Proj. Mgr.; Burns & McDonnell Engrg. Co., 4800 E. 63 St., P.O. Box 171, Kansas City, Mo. 64141,
Russel Titus, Environmental Engr.; Burns & McDonnell Engrg. Co., 4800 E. 63 St., P.O. Box 171, Kansas City, Mo. 64141,


Serial Information: Civil Engineering—ASCE, 1983, Vol. 53, Issue 5, Pg. 39-41


Document Type: Feature article

Abstract:

By combining the aerator and the clarifier into one basin, this new wastewater treatment process can slash capital costs up to 60% and operating and maintenance costs up to 45%. Raw sewage enters a race track shaped aeration basin, is aerated, then passes beneath an innovative channel clarifier. A portion of the mixture of wastewater and activated sludge rises into the clarifier through openings in the clarifier bottom panel. There, solids are separated, fall down through the openings, and return to the mainstream below. And effluent is removed from the top of the clarifier.

Subject Headings: Clarifiers | Wastewater treatment plants | Benefit cost ratios | Aeration | Industrial wastes | Basins | Wastewater management

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