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ThermoEnergy process cuts emissions, study says.

ThermoEnergy Corp. of Little Rock last week released an engineering study by Parsons-Brinckerhoff of New York that showed the use of the ThermoEnergy's Ammonia Recovery Process results in substantial reductions in carbon emissions for municipal and industrial wastewater treatment plants compared to conventional biological methods for the treatment and removal of nitrogen/ammonia.

The report shows that a generic 100 million gallon-per-day wastewater treatment plant can expect reductions in greenhouse gas emissions in the range of between 3,000 and 5,000 tons a year, comparable to reducing truck travel by 2 million to 3 million miles annually.

Thousands of tons of nitrogen, in the form of ammonia, are being discharged into local waterways every day by wastewater treatment plants throughout the country. Many states, as well as the federal government, have begun to regulate these discharges to protect the environment. These plants also emit significant amounts of greenhouse gases in the form of carbon dioxide, nitrous oxide and methane.

Previously, wastewater treatment plant operators were primarily concerned with meeting water discharge regulations, but climate change issues have altered the equation.

"Today, many wastewater treatment plants are being forced to address air emissions as well as water emissions," said Dennis Cossey, CEO of ThermoEnergy. Using a patented design, ARP not only removes ammonia from wastewater streams but also converts it into ammonium sulfate, a commercial-grade fertilizer used by agriculture around the world.

The ARP process is the core technology in the company's planned $12.4 million ammonia-removal project for the city of New York. The New York City ARP facility will become the model on which future ARP systems will be designed.
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Title Annotation:Notes
Publication:Arkansas Business
Date:Apr 21, 2008
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