Pilot Project to Clean Rivers, Produce Biomass

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UNITED STATE S

A pilot project of University of Minnesota researchers and the Metropolitan Council uses liquid waste separated from solids (centrate) to grow al gae that thrive in wastewater. The goal is to remove nitrogen and phosphorus from the water before it's flushed into the Mississippi River and flows into the Gulf of Mexico, as well as to produce algal biomass for biofuels.