#266 Dairy Manure Residual Dewatering

This organic dairy farm in Oregon needed to capture the nutrients prior to irrigating the manure wastewater onto the farmland near the milking facility. A pilot study was performed using a Geotextile container to capture the solids and filter the wastewater. Lab studies at WaterSolve, LLC revealed a dual polymer treatment of a coagulant followed by a flocculent was necessary to chemically treat the water. The study was performed in the winter of 2009. WaterSolve personnel were on hand to train the site manager on the polymer injection and management of the Geotextile tube.

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