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Assessment of the sorption properties of materials proposed for the construction of insulation barriers

Sobik-Szołtysek J., Bień J., Grosser A.

Environment Protection Engineering

2016

Vol. 42, nr 1

169--189

Sorption properties of fine-grain mixtures of mineral waste proposed for construction of separation screens in landfill sites have been examined. The removal of heavy metals by the mixtures analysed was evaluated by the static batch method. It was found that they characterize by high ability to remove heavy metals at the level of over 99%, even with high contents of these elements. The sorption parameters have been determined based on the Langmuir and Freundlich isotherms. The alkaline character of some components of mixtures provides stabilization of pH, preventing removal of heavy metals to the environment in response to contact a barrier with acid solutions.