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Screen for removing wastewater solids, debris unveiled

October 22, 2008
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Internally fed fine screen ideal for the removal of wastewater solids and debris using woven wire panels or perforated plates. The 0.5-6.0 mm openings remove unwanted material from the flow of wastewater, such as rags, plastics and hair. The external sprays wash then flush the organic material back into the wastestream. This new process reduces the solids loading which can foul the membrane bioreactor (MBR). It features an adjustable timer system to set the on/off timer for the spray wash system cycle. Also, it features a variable frequency drive (VFD) which allows speed control to handle a variety of flow rates, up to 12.5 million gallons per day. The easy to lift cover allows access for inspection. Since wastewater is pumped inside the rotating screening drum, there is little chance for material to bypass the screen. The screen will result in less clogging of downstream equipment. The Drumsceen Monster was unveiled in Chicago at the annual WEFTEC exhibit.

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