Prediction of RBC Performance for Nitrification

by Yeun C. Wu, Assoc. Prof.; Dept. of Civ. Engrg., Univ. of Pittsburgh, Pittsburgh, Pa, 15261,
John Gratz, Grad. Research Asst.; Dept. of Civ. Engrg., Univ. of Pittsburgh, Pittsburgh, Pa. 15261,
Ed. D. Smith, Environmental Engr.; Construction Engrg. Research Lab., Dept. of the Army, Champaign, III,

Serial Information: Journal of the Environmental Engineering Division, 1981, Vol. 107, Issue 4, Pg. 635-652

Document Type: Journal Paper


The data reported previously by many investigators were used to develop mathematical models for the prediction of nitrification by a rotating biological contactor (RBC). The RBC served as either a secondary or a tertiary wastewater treatment system. The predictive models obtained from the present study were tested and verified by using field data. Also, the presently developed nitrification models were compared to the existing Weng model to determine their applicability and accuracy. RBC performance for nitrification can be well predicted if the influent ammonia nitrogen concentration, hydraulic loading, and wastewater temperature are known.

Subject Headings: Mathematical models | Field tests | Model accuracy | Hydraulic loads | Mathematics | Rotation | Biological processes | Wastewater treatment

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