Nita-Lazar, MihaiMihaiNita-LazarManea, Elena ElisabetaElena ElisabetaManeaBumbac, CostelCostelBumbacBanciu, AlinaAlinaBanciuStoica, CatalinaCatalinaStoica2020-11-112020-11-112019-11http://hdl.handle.net/123456789/1707ICEPPH 2019: International Conference on Environmental Pollution and Public Health, November 12-13, 2019, Venice, ItalyThe population and economic growth have generated a significant new number of pollutant compounds which have to be degraded before reaching the environment. The wastewater treatment plants (WWTPs) have been the last barrier between the domestic and/or industrial wastewaters and the environment. At present, the conventional WWTPs have very high operational costs, most of them linked to the aeration process (60-65% from total energy costs related to wastewater treatment).enActivated sludge, Bacteria, Granules, Microalgaeconference paper