Semi-closed loop alga-diesel fuel photobioreactor using waste water
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United States of America Patent
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May 22, 2012
Grant Date -
Mar 4, 2010
app pub date -
Aug 28, 2009
filing date -
Aug 28, 2008
priority date (Note) -
Expired
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Abstract
A semi-closed loop diesel photobioreactor system and method are provided for producing diesel fuel from wild algae or from specialized algae that has been biologically modified for high efficiency oil production using waste water as a primary food source. The diesel photobioreactor provides a semi-closed loop system with an opening to acquire waste water below the surface to obtain waste water nutrients and to protect the algae species from contamination. The semi-closed loop diesel photobioreactor includes a container that can be designed in a variety of shapes with a tube design preferred, and containing a liquid culture medium for cultivating photosynthetic organisms. The system can utilize natural light and can also deploy an innovative lighting system integrated into the photobioreactor container. The diesel photobioreactor system also has one or more cleaning devices mounted within the container for cleaning the surface of the photobioreactor container.
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