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Removal of Pesticides from Wastewater by the Use of Constructed Wetlands

Ignatowicz Katarzyna, Puchlik Monika, Łozowicki Jakub

Journal of Ecological Engineering

2020

Vol. 21, nr 1

219--223

The purpose of the work was to determine the efficiency of domestic wastewater treatment contaminated with a mixture of pesticides at varying deposit load. The efficiency of purification in the case of eight pesticides equaled 99.8%, and the removal effect of azoxystrobin reached 93%, while that of thiachloprid – 96%. The constructed wetland ensured high removal of organic matter expressed as BOD and COD, as well as reduction in the concentration of nitrogen and phosphorus compounds. Studies showed a clear impact of the deposit load on the effectiveness of pesticide removal, BOD and COD parameters, total phosphorus, and total nitrogen.