Brownfield decontamination: case studies

The article deals with simple methods of groundwater decontamination from the vicinity of brownfield locations. Research has shown that the vast majority of contaminated water can easily be decontaminated by relatively cheap and simple methods in series arrangement. The most advantageous is the involvement of coagulation/sedimentation à oxidation with Fenton’s reagent or ozone, or reduction with nanoiron à adsorption on biochar à final purification on activated carbon. The study assesses the effectiveness of individual methods on specific real cases and verifies the possibility of reaching the concentration limits of contaminants approved for groundwater according to the EU directive. The proposed solutions are demonstrated on typical examples occurring in the Czech Republic.

O. Solcova, P. Krystynik, P. Dytrych, J. Bumba, F. Kastanek, Typical groundwater contamination in the vicinity of industrial brownfields and basic methods of their treatment. Ecotoxicology and Environmental Safety 233 (2022) 113325.

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