AERATING DEVICE FOR A WATER FILTERING SYSTEM WITH IMMERSED MEMBRANES, INCLUDING A FLOOR PROVIDED WITH MEANS FOR INJECTING A GAS AND AT LEAST ONE PRESSURE BALANCING SYSTEM
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United States of America Patent
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Issued Date -
Oct 15, 2009
app pub date -
May 18, 2007
filing date -
May 23, 2006
priority date (Note) -
Abandoned
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Abstract
An aerating device for a water treatment system includes an upper and lower chamber separated by a partition. The upper chamber includes a plurality of immersed membranes for removing contaminants from the water. The lower chamber includes a gas inlet and a water inlet for directing gas and water to be treated respectively into the lower chamber. The water inlet is disposed at a lower depth in the lower chamber than the gas inlet. A plurality of air dispersers extend through the partition from the lower chamber to the upper chamber for directing gas from the lower chamber to the upper chamber to aerate the immersed membranes. Finally, the device includes at least one passageway extending through the partition from the lower chamber to the upper chamber for directing water to be treated from the lower chamber to the upper chamber.
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