SOLVING FOAMING PROBLEMS AT NASHVILLE CENTRAL WWTP Vaughan's new Foambuster nozzle solves foaming control problems without the need for expensive defoamant chemicals. By Glenn R. Dorsch, P.E, VP/Chief Engineer, Vaughan Co. Inc. This project provides an unusual "before-and-after comparison" of how a high-solids loaded digester system with a Rotamix mixing system performed before and after the Foambuster was installed. Vaughan

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