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AWWA ACE65328
- Biological Filtration for the Nitrification of Excessive Levels of Free Ammonia
- Conference Proceeding by American Water Works Association, 06/01/2007
- Publisher: AWWA
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The objective of this powerpoint presentation was to develop a biological filtrationapproach to address excessive levels(>1 to 1.5 mg N/L) of ammonia in rawwater, and maintaining aerobic conditionsthroughout the biological filter. Background information is provided on ammonia/nitrification indistribution systems, along with a map of US Geological Survey National Water QualityAssessment Data, filter design, study design and test water, sampling schedule, and results for nitrite and nitrification, nitrates, pH during complete conversion, and finished water quality.
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