In laboratory experiments, there has been studied the efficiency of the waste-water biogenic substances aftertreatment by using Elodea canadensis Rich and Chlorella vulgaris, as well as their cocultivation with activated sludge microorganisms of domestic wastewater. It has been shown that the efficiency of waste-water treatment from the nitrogen compounds increasing by cultivation of unicellular and multicellular hydrocole. Efficiency of nitrogen of ammonia and nitrite removal achieved practically 100 %. In this case, the contribution of nitrifying bacteria in the process of combined disposal of ammonium nitrogen by chlorella and bacteria average 21 %, by elodea and bacteria - average 31,5 %.
биогенные вещества, элодея, хлорелла, активный ил, нитрификация, nutrients, elodea, chlorella, activated sludge, nitrification
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