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The technology and the installation of acid mine water treatment by bioaccumulation, is realized in three distinct stages, namely: the primary stage, consisting of raw water capture, treatment with neutralizing and coagulating chemical reagents, solid phase settling and sludge treatment, I, II , IV, V, the secondary stage, consisting in the removal of heavy metals and the neutralization of acidity by passing the effluent of the first stage, through a battery of phytoextraction cells, III,using for this purpose truncated cells. In the tertiary stage, the stabilization of heavy metals in the thickened clearing and the aerial part of the sedge takes place.
Dunca et al. (Sat,) studied this question.