Biological Denitrification and Phosphate Removal

by Wayne E. Wruble, San. Engr.; Public Health Service, Oklahoma City, OK,
Charles C. Plummer, San. Engr.; VanDoren, Hazard, Stallings, Schnacke, Topeka, KS,
Mark J. Hammer, (M.ASCE), Prof.; Dept. of Civ. Engrg., Univ. of Nebraska, Lincoln, NE,

Serial Information: Journal of the Environmental Engineering Division, 1974, Vol. 100, Issue 5, Pg. 1199-1203

Document Type: Journal Paper


The objective of this study was to evaluate the feasibility of a simplified system for processing sanitary wastewater for nutrient reduction, using a submerged filter, an aeration basin, a clarifier with the underflow returned to aeration, and an effluent recirculation line back to the filter influent. This three-step treatment process had several apparent disadvantages, with the most serious being the lack of research and development on submerged filters.

Subject Headings: Filters | Biological processes | Denitrification | Phosphate | Feasibility studies | Submerging | Aeration | Industrial wastes

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