SUBMERGED MEMBRANE BIO-REACTOR
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United States of America Patent
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Issued Date -
Dec 25, 2008
app pub date -
Dec 28, 2007
filing date -
Jun 20, 2007
priority date (Note) -
Abandoned
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Abstract
A submerged membrane bio-reactor (MBR) is provided. The submerged MBR includes a submerged membrane module having a membrane with a hollow fiber structure, a cylindrical tube covering an outer circumference of the submerged membrane module, and a nozzle or a porous diffuser provided within a treatment vessel to supply air to inside of the cylindrical tube. Air bubbles generated from the nozzle or the porous diffuser flows into the cylindrical tube in a slug-type liquid flow that effectively decreases membrane contamination.
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