A AnoxKaldnes Hybas™ A biological wastewater treatment solution combining activated sludge and moving bed biofilm reactor (MBBR) processes for nitrogen removal. Aerobic Wastewater Treatment AnoxKaldnes™ Z-MBBR Veolia Water Technologies AnoxKaldnes has launched a new generation of biofilm carriers for moving bed biofilm reactors: AnoxKaldnes Z-MBBR. The new carrier is the result of two decades of development work. Aerobic Wastewater Treatment B Biosep™ / Neosep™ Biosep™ is an aerobic biological treatment process treating municipal and industrial effluents. Aerobic Wastewater Treatment N New Biosep™ Pack Biosep™ Pack 3, the new standard filtration unit. Aerobic Wastewater Treatment