ThermoEnergyARP systems utilise a physical/chemical process that uses temperature and pressure separation to remove ammonia from water.
THERMOENERY (n.y): ThermoEnergy ARP and Thermo ARP. Ammonia Recovery Process for Sidestream Treatment of Centrate, Filtrate, or Digestate Nitrogen. Worcester: ThermoEnergy Corporation URL [Accessed: 05.06.2012]