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Systems and methods for positioning flexible floating photobioreactors

  • US 9,145,539 B2
  • Filed: 03/11/2011
  • Issued: 09/29/2015
  • Est. Priority Date: 03/12/2010
  • Status: Active Grant
First Claim
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1. A photobioreactor system comprising:

  • a reservoir containing liquid, the liquid having a top surface level;

    a photobioreactor, wherein the photobioreactor is flexible and is floating in the liquid, the photobioreactor comprising;

    a growth chamber containing media in which organisms may be grown; and

    a ballast chamber containing a fluid, the fluid having an effective density greater than that of the liquid, such that the ballast chamber exerts a force on the photobioreactor in a downward direction;

    wherein the photobioreactor is one of a plurality of photobioreactors each substantially the same as the photobioreactor, wherein the plurality of photobioreactors is floating in the liquid, and wherein the plurality of photobioreactors are positioned one next to the other such that a spacing between two adjacent photobioreactors of the plurality of photobioreactors is determined by widths of adjacent abutting ballast chambers.

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