Shell Game

A biofiltration system helps a Georgia wastewater utility eliminate hydrogen sulfide and mercaptan odors at a lift station
Shell Game
Seashells, a byproduct from the food industry, have high levels of calcium carbonate that neutralize acid byproducts of sulfide oxidation. The large surface area promotes vigorous biological activity without chemicals or carbon. (Photos courtesy of Anua)

Two force mains with strong waste loads delivered 300,000 gpd to the Mars Hill lift station in Watkinsville, Ga. The station lies near a church and retirement home. Neighborhood residents complained to Chris Thomas, director of the Oconee County Utility Department, about the...

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