Method for forming facultative-organism-adapted membrane bioreactor
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United States of America Patent
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May 8, 2012
Grant Date -
Nov 18, 2010
app pub date -
Sep 2, 2009
filing date -
May 15, 2009
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Abstract
A method for forming a facultative-organism-adapted membrane bioreactor by: providing a membrane bioreactor having a membrane module, aerating intensively the membrane module at a lower part thereof and maintaining the scouring against the membrane module so that an aerobic environment is formed at a middle and lower part of the membrane module, and controlling aeration intensity so that a facultative or anaerobic environment is formed around the membrane module excluding the middle and lower part thereof. The a facultative-organism-adapted membrane bioreactorformed by the method has low energy consumption, low sludge yield coefficient, and high efficiency of nitrogen and phosphorus removal.
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