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 Aquilair™ Aquilair™ is a chemical scrubber which transfers odorous molecules to an aqueous solution. Biogas and Odour 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