Foaming and filament reduction at a municipal wastewater treatment plant case study

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Courtesy of Bioscience, Inc.

Before

Subject: Reducing foam and filaments at a municipal wastewater treatment plant.
Product Applied: MICROCAT-DNTRF Fat, Oil and Grease Degrading Bioformula
Objective: Reduce the filament infestation and foaming caused by excessive fat, oil and grease in the influent wastewater coming into the treatment plant.
Treatment System: The municipal wastewater treament system is a conventional oxidation ditch with a daily flow of 350,000 gallons/day (1325 cubic meters/day).
Product Application: A daily application of 2 pounds per day of MICROCAT- DNTRF is made directly to the aerated portion of the oxidation ditch system.
Results: MICROCAT-DNTRF Fat, Oil and Grease Degrading Bioformula did an excellent job in reducing the foam and filaments, reestablishing a healthy biomass, increasing clarifier settling rates and reducing effluent TSS and BOD.

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