Field Study of Specialized Bacteria for Nitrification

by Robert E. Heilman, LaBella Associates, Rochester, NY, USA,
Alan C. H. Hu, LaBella Associates, Rochester, NY, USA,
Michael B. Pickard, LaBella Associates, Rochester, NY, USA,

Document Type: Proceeding Paper

Part of: Environmental Engineering


A full scale field study using specialized bacteria was conducted to determine its effectiveness in achieving nitrification while quantifying dosage rates. A side-by-side comparison of the bacterial (test) side with the nonbacteria (control) side was conducted. The results of the field study indicated that the test side of the system was able to achieve 85% or better TKN removal efficiency 90% of the time, whereas the control side of the system could meet the 85% TKN removal efficiency only 60% of the time. The NH//3 minus N removal rates on the test side showed a 4% average increase over the control side removal rates. The results of the study indicate that the Hornell Water Pollution Control Plant (WPCP) is capable of discharging a completely nitrified effluent with the addition of specialized bacteria.

Subject Headings: Field tests | Bacteria | Biological processes | Water treatment plants | Water pollution | Water discharge | Wastewater treatment plants | Comparative studies

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