FIELD: wastewater treatment. SUBSTANCE: apparatus for removal of heavy metals from solutions is a drum filled with galvanic mass and solution to be treated. The mass and solution come in contact as they are mixed with oxygen from the atmosphere. The drum is mounted upright, and mixing is performed by means of an auger with its screw pitch increasing in the upward direction. Air is supplied through a porous partition, and the process ends with bubbling. EFFECT: higher treatment quality; higher efficiency. 1 dwg
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