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Nitrogen Impacts the Environment

Local--Oxygen Depletion, Toxicity and Eutrophication

Regional--Rate Limiting Nutrient for Estuarine and Marine Waters

Chesapeake Bay N. Carolina Outer Banks Tampa Bay Gulf of Mexico “Dead Zone” near New Orleans

Severe Limitations planned for Point and Non-Point Dischargers

Municipal Food Processing Chemical, Fertilizer, Pharmaceutical, Steel Concentrated Animal Feeding Operations (CAFOs)

NO and N2O emissions contribute to ground level ozone and GHGs

Timeswitch Patent

“Timeswitch” Process

Continuous Flow Completely Mixed Waste Water Treatment Method

  • US Patent 6,426,004

  • Assigned to BASF Corp. July 30, 2002

  • Inventors– Hiatt, Burnham, Madzy, Wegmann and Weisbrodt

  • Donated to the Water Environment Research Foundation, December, 2004

  • WERF Donated the Patent to the Public

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