Abstract
The treatment of model solution resembling the coal mine water from the “Bolesław Śmiały” coal mine in Łaziska Górne, Poland, was investigated. Two cases were investigated: 1) electrodialysis is directly applied in concentration of coal mine water; 2) coal mine water is pre-concentrated in the NF-RO system and then fed to the electrodialysis. Based on the bench-scale experiments, a model describing ions and water transport across the ion-exchange membranes was established. The model predicted that it is possible to obtain saturated brine, but the coal mine water must be pre-concentrated in the NF-RO system before the electrodialytic treatment.
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