A AnoxKaldnesⓇ MBBR Moving bed biofilm reactor for cost-efficient removal of pollutants from municipal and industrial wastewater. High efficiency for BOD, ammonia and nitrogen removal. Aerobic Wastewater Treatment E eXeno™ eXeno™ is a moving bed biofilm reactor (MBBR) technology used for the biological treatment of micropollutants, such as pharmaceuticals. Aerobic Wastewater Treatment I Idraflot™ Highly compact and innovative modular flotation units to achieve the highest removal efficiency on suspended solids, oils and grease, and insoluble chemical oxygen demand (COD). Sedimentation - Clarification - Flotation