ThermoEnergy Corp. has announced the release of an engineering study by the consulting firm Parsons Brinckerhoff (PB) demonstrating that using ThermoEnergy's Ammonia Recovery Process (ARP) can result in substantial reductions in carbon emissions for municipal and industrial wastewater treatment plants when compared with conventional biological methods for the treatment and removal of nitrogen/ ammonia. The report from PB shows that a standard 100-mgd wastewater treatment plant newly equipped with an ARP system can expect reductions in greenhouse gas emissions of 3,000-5,000 tons/year. Using a patented design, ARP removes ammonia from wastewater streams and converts it into ammonium sulfate, which can be used as fertilizer. An ARP system is less expensive to build than conventional systems, and its compact size allows it to be retrofitted into existing wastewater treatment plants. It can also result in reductions of the energy required, the chemicals used, and the sludge produced.
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