Method for the treatment of waste water with sludge granules
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United States of America Patent
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Sep 25, 2007
Grant Date -
Feb 16, 2006
app pub date -
Sep 16, 2003
filing date -
Sep 16, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for the treatment of waste water comprising an organic nutrient. According to the invention, the waste water is in a first step fed to sludge granules, after the supply of the waste water to be treated the sludge granules are fluidised in the presence of an oxygen-comprising gas, and in a third step, the sludge granules are allowed to settle in a settling step. This makes it possible to effectively remove not only organic nutrients but optionally also nitrogen compounds and phosphate.
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