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The main purpose of the work was to determine the methods of mining enterprises wastewater secondary treatment from nitrogenous compounds. The chemical analysis of wastewater was carried out, and substances with exceeding concentrations were established. The accumulating power of indigenous species of higher aquatic vegetation has been estimated. The absorption regularities of nitrates of duckweed (Lemna minor) in solutions with different concentrations were determined. The expediency of duckweed cultivating with the aim of phytoremediation has been proved.

Phytoremediation efficiency of duckweed communities for mining enterprises wastewater treatment from nitrogen compounds