FIELD: effluent storages in natural soft grounds. SUBSTANCE: system of artificial geochemical barriers is created to prevent migration of ions of heavy metals and to purify water. For this purpose water storage is made in the form of basin and its walls and bottom are covered with layer of clay saturated with cations of magnesium and calcium. Additionally provided is layer of gypsum located on walls and bottom of water storage, and layer of blue-green seaweeds is arranged in storage water surface. EFFECT: high efficiency. 1 dwg
Authors
Dates
1996-08-27—Published
1994-07-08—Filed