Filtration method and apparatus
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United States of America Patent
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May 18, 2010
Issued Date -
N/A
app pub date -
May 30, 2008
filing date -
Apr 22, 2004
priority date (Note) -
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Abstract
The invention relates to a membrane bioreactor process combined with an advanced biological sludge digestion process that provides significant improvements in sludge digestion by reducing the costs and resources required for disposing of digested sludge. The offline treatment vessel is used to solubilize the organic material by operating in a very low oxygen environment. Digested process fluid is transferred back to the membrane bioreactor. The processes and apparatus substantially reduce the production of waste sludge.
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