Aeration unit and filtering apparatus comprising the same
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United States of America Patent
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Oct 24, 2017
Grant Date -
Oct 30, 2014
app pub date -
Aug 14, 2012
filing date -
Sep 30, 2011
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Abstract
Disclosed is an aeration unit capable of cleaning all the hollow fiber membranes in a filtering apparatus sufficiently and uniformly thereby improving the filtration efficiency and a filtering apparatus comprising the same. An aeration unit of the present invention comprises a plurality of aeration tubes parallel to each other, each of the aeration tubes comprising a first end and a second end opposite the first end; and a first common pipe in fluid communication with the aeration tubes through the first ends of the aeration tubes to provide the aeration tubes with air. The first common pipe is perpendicular to the aeration tubes. The closer to both ends of the first common pipe the aeration tubes are, the more densely the aeration tubes are arranged.
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