Hydroblast Water Recycling Project Saves Bugs, Prevents Downtime PUMPS • TANKS • FILTRATION • PIPE • SPILLGUARDS 800 742 7246 rainforrent.com BACKGROUND A Midwestern refinery recently upgraded the activated sludge (a.k.a. bugs) at their WWTP , which consume the organic matter in wastewater. They wanted to prevent the high levels of soap in the used hydroblast fluid from harming the new bugs. OUTCOME Rain for Rent presented a solution to recycle the hydroblast water by using four diaphragm pumps, a weir tank, a coated tank, and three bag filters. HIGHLIGHTS A diaphragm pump moved the used water from a sump into a weir tank that was equipped with a flowmeter on the intake to ensure proper settling. From the weir tank, the water was pumped through a BF400 filter with 200-micron bags,

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