Case Study

Dissolved Air Flotation System Reduces Costs, Improves Process

Source: Leopold -- A Xylem Brand

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With the town of Johnstown, CO's, water treatment plant began operating its circular clarifier systems at maximum capacity to meet summer peak demand rates, consultants recommeded increasing plant capacity and using dissolved air flotation technology for their clarification process.

Two 5-million gallons per day (MGD) Leopold® Clari-DAF® (dissolved air flotation) systems were installed and placed in operation during the month of May, shortly before the peak algae month of July, which had historically been the most difficult time to process the raw source water.

The Leopold Clari-DAF system. The plant immediately achieved a significant reduction in suspended solids settling on top of the filters.