Systems and methods for positioning flexible floating photobioreactors
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United States of America Patent
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Sep 29, 2015
Grant Date -
Nov 17, 2011
app pub date -
Mar 11, 2011
filing date -
Mar 12, 2010
priority date (Note) -
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Abstract
A top reference photobioreactor system according to an embodiment of the present invention includes a flexible floating photobioreactor having a buoyancy tube filled with a gas that is less dense, and a ballast tube filled with a substance, such as saltwater, that is more dense, than the liquid in which the photobioreactor floats. A top reference photobioreactor method according to an embodiment of the present invention includes controlling a depth of the top reference photobioreactor by controlling a volume and/or density of ballast in the ballast tube and/or by controlling a volume and/or density of gas in the buoyancy tube.
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