Start-Up Phase of Pilot Plant Denitrifying Bioreactor Used for Simultaneous Removal of Pesticides

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F24%3APU155121" target="_blank" >RIV/00216305:26110/24:PU155121 - isvavai.cz</a>
Result on the web
<a href="http://escc.uth.gr/escc-series/escc-2024/" target="_blank" >http://escc.uth.gr/escc-series/escc-2024/</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Start-Up Phase of Pilot Plant Denitrifying Bioreactor Used for Simultaneous Removal of Pesticides
Original language description
Denitrifying woodchip bioreactors (DWB) are natural treatment systems that have been developed for the reduction of nitrates in agricultural runoffs without requiring any energy. A pilot plant DWB with a volume of 4.2 m3 filled with poplar chips was installed in October 2023 in an agricultural area near Brno, Czech Republic, with the intention of testing its ability to reduce concentrations of pesticide compounds in addition to nitrates. After minimum water discharge until January 2024, the DWB was operated from February to mid-May with an average hydraulic retention time of 11 h. The average influent NO3-N concentration was 10.4 mg/L. Maximum NO3-N removal of 84% was achieved. The water temperature did not exceed 11.6 °C, resulting in low concentrations of organic matter leached from the filling – chemical oxygen demand was typically below 50 mg/L. Microbiological analyses indicate that the predominance of microbial biomass is bound to the surface of the wood chips. Its abundance is 1 to 3 orders of
Czech name
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Czech description
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Project
<a href="/en/project/SS06020006" target="_blank" >SS06020006: Comprehensive assessment of soil contamination with pesticides and in-situ remediation leading to eliminate their entry into groundwater</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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