Airlift bioreactor
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United States of America Patent
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Sep 30, 2014
Grant Date -
Dec 10, 2009
app pub date -
Jul 31, 2007
filing date -
Aug 1, 2006
priority date (Note) -
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Abstract
The present invention is concerned with a fluid circulation apparatus for use as a bioreactor or the like, the apparatus comprising a flexible bag like container within which is disposed a collapsible and at least partially inflatable draft tube which is tethered to a base of the container such that when inflated the draft tube rises off the base and maintains the correct shape as a result of the inflation thereof, and which includes perforations in order to allow the inflation gas to escape and rise upwardly through the draft tube to generate counter current circulation within the container.
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