Removal of HAB-produced toxins from bodies of water
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United States of America Patent
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Feb 27, 2018
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app pub date -
Sep 3, 2014
filing date -
Sep 3, 2014
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Abstract
One or more brevetoxins or other toxins produced by red tides or other harmful algal blooms (HABs) are removed from a body of water by contacting an aqueous phase containing water, algae and one or more HAB-produced toxins with an organic phase, extracting the one or more toxins into the organic phase, and separating the organic phase enriched in the one or more toxins from the aqueous phase depleted in the one or more toxins. In some embodiments, the organic phase is comprised of vegetable oil, mineral oil, or other suitable oil. In some embodiments, an annular centrifugal contactor is used to accomplish the contacting, extracting, and separating. In some embodiments, the toxin-depleted aqueous phase is pumped back into the source of the aqueous phase, and the toxin-enriched organic phase is recirculated until a predetermined threshold concentration of the one or more toxins is met.
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