Suez International

Suez Treatment Solutions Inc.

Peter Temple Ballard

Raed Labban

In general, the present invention is directed to systems and methods of providing improved ballasted clarification systems for the treatment of water or wastewater. In accordance with some embodiments, a method may include introducing an influent including the water or wastewater and a coagulant; agitating or mixing the influent causing flocs to develop; introducing polymer and ballast wherein the ballast has an aspect ratio of less than 1.15; agitating or mixing the influent causing the ballast to move through the influent and penetrate the flocs; agitation or mixing the flocs to cause larger flocs to form through collision of smaller flocs among the flocs; providing the influent into a clarifying tank having a bottom and a top, wherein the ballast particles in flocs cause the flocs to settle to the bottom of the clarifier; and outputting an effluent from the top of the clarifying tank.

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Glen Allen, VA, United States of America

Peter Temple Ballard