UC Davis Researchers Streamline Fertilizer Production. WEF Highlights, November 11, 2016.
University of California, Davis (UCD) researchers are thinking outside of the box, using urine collected in the community to develop a more environmentally friendly fertilizer.
Harold Leverenz, lecturer and project scientist for the civil and environmental engineering program at UCD, works with his research team to create all-natural, locally sourced fertilizers.
His unique process, which offers significant energy and water savings over traditional fertilizer production methods, collects high amounts of plant nutrients from an unlikely source — the urine from customers of a local brewery.
Through a unique partnership with Sudwerk Brewery (Davis, Calif.) and generous donations from project contributors, Leverenz and his team have secured about 132 L (35 gal) of nitrogen- and phosphorous-rich urine each week since installing a specialized outhouse made from a sawed-off beer keg outside Sudwerk’s tasting room in June. Leverenz is hopeful that the collection rate will increase as UCD students settle into a new school year.
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