FIELD: waste water treatment. SUBSTANCE: method concerns industrial waste waters with low concentration of nutrient components. Liquid being treated is brought in flow conditions into contact with root systems of higher aquatic plants, 90% of roots of each plant being placed in flow space and remaining 10% being placed into separate trays with circulating nutrient medium. EFFECT: enhanced process efficiency. 2 dwg, 3 tbl, 2 ex
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