Layered sheet construction for wastewater treatment
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Dec 14, 2001
filing date -
Dec 14, 2001
priority date (Note) -
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Abstract
Described is an apparatus for the removal of organic substances and/or nitrogen sources from an aqueous medium by exposing the aqueous medium to the action of microorganisms supported on a gas permeable, water impermeable layer, or on and/or in a three dimensional microbial support layer, that is proximate a gas delivery layer through which gas, preferably, oxygen-containing gas, is supplied to the gas permeable layer such that it diffuses through the gas permeable layer and is supplied to the microorganisms.
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