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News Release 10-206
New Way of Removing Excess Nitrogen from the Environment
Denitrifying bioreactors subject of workshop, special scientific journal issue
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New results on nitrogen in the environment are reported in the journal Ecological Engineering.
Credit: Journal: Ecological Engineering; cover photo by Don Bousquet/Son Aerial Photography
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Excess nitrogen is finding its way through the global environment and into rivers and streams.
Credit: Max Oulton, University of Waterloo
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A denitrifying bioreactor in New Zealand; it treats effluent from greenhouse-grown tomatoes.
Credit: Louis Schipper, University of Waikato
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A up-close view of filters inside a denitrifying bioreactor installed at a Rhode Island home.
Credit: Eric Davidson, The Woods Hole Research Center
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Denitrifying bioreactors, like one in Iowa, may operate for a decade without maintenance.
Credit: Jeff Cook, USDA-ARS
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An Illinois denitrifying bioreactor removes nitrogen from the croplands of the U.S. midwest.
Credit: Corey Mitchell, University of Illinois
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