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Harmful Algal Bloom Interception, Treatment, and Transformation System, HABITATS: Pilot Research Study Phase I Summer 2019

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ERDC Construction Engineering Research Laboratory Champaign United States

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Nutrient pollution and harmful algal blooms cost the Nation an estimated 1B each year. The U.S. Army Engineer Research and De-velopment Center ERDC began research in the Harmful Algal Bloom Interception, Treatment, and Transformation System HABI-TATS project to develop scalable solutions for managing large harmful algal blooms HABs, with the objective to develop a rapidly deployable system for mitigating large HABs at various design scales. The first years progress includes 1 development and deploy-ment of an interception technology that efficiently collects algae at the water surface 2 validation of high throughput treatment using dissolved air flotation DAF technology to clarify algae-laden water 3 oxidation of the DAF effluent using ozonation for removing microcystin and other potential cyanotoxins 4 successful permitting with the Florida Department of Environmental Protection for discharging the treated water back to a surface water body at the demonstration site 5 demonstration of rapid concentration of algae from a natural water source 6 transformation of concentrated algae from the study site into biocrude oil at bench scale, and 7 devel-opment of a scalability analysis model to establish baseline estimates for full scale performance and cost.

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Technical Report



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Approved For Public Release;

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