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Remediacja środowiska gruntowo-wodnego zanieczyszczonego chlorowanymi związkami organicznymi z wykorzystaniem metod in situ

Janiszewska S., Kruszyńska E., Białobrzeski T., Ciepiela K.

Przegląd Geologiczny

2017

Vol. 65, nr 10/2

916--921

The article discusses purification of groundwater contaminated with chlorinated solvents including tetrachlorethane (PCE) and trichloroethene (TCE), using reactive barriers and in situ injection. For the dehalogenation of complex chlorinated hydrocarbons, a reagent consisting of zero-value controlled iron and nutrient-stimulating bio-degradable substances was used in the remediation works. The effectiveness of remediation ofsoil and water contaminated with TCE and PCE depends on the degree ofunderstanding of the processes that pollutants undergo. The combination of three methods made it possible to reduce pollution in groundwater by 80%. The Regulation on the Register of Historic Land Pollution, introduced in September 2016, paves the way for restoring contaminated land to its initial quality with the remediation processes, but does not answer the question of how to assess the quality of water in the context of the proposed remediation work.