Enhanced photobioreactor system
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United States of America Patent
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Sep 3, 2019
Grant Date -
Mar 16, 2017
app pub date -
Nov 28, 2016
filing date -
Oct 12, 2010
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Abstract
A space efficient photo-bioreactor. The bioreactor grows microalgae in a tall array of transparent flooded tubes. A nutrient media is circulated through the tubes. The array is configured to maximize the amount of sunlight falling upon each tube so that growth of the microalgae is as uniform as possible. A vertically-oriented gasser tube is provided. Gas is injected into this gasser tube along with the liquid nutrient medium. A bubble-size limiter is employed in the gas injector. The flow rates are configured so that the liquid nutrient medium and injected gas remain within the vertical gasser tube for 30 seconds or more.
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