METHOD OF DEVELOPING A RAPIDLY SETTLING ALGAL FLOC
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United States of America Patent
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Issued Date -
Oct 21, 2010
app pub date -
Apr 8, 2010
filing date -
Apr 16, 2009
priority date (Note) -
Abandoned
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Abstract
Rapidly settling algal strains are selectively developed through a method that is based on manipulating the velocity of a host liquid. In one embodiment, the method includes the steps of providing a uniform flow velocity to the liquid, thereby promoting development of one or more algal strains; stopping or at least reducing the uniform flow velocity; removing the upper portion of the water, including any suspended algal strains; providing a second uniform flow velocity to the liquid, which may be the same as the flow velocity that was applied during the first step; stopping or at least reducing the second uniform flow velocity; and removing the upper portion of the remaining liquid, leaving a residual liquid amount that includes one or more rapidly settling algal strains in the form of a rapidly settling algal floc or of a precursor thereof.
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