FIELD: chemistry.
SUBSTANCE: waste water treatment apparatus is divided into two units: an upper unit and a lower unit. The upper unit includes a primary treatment unit, which includes a sand box 2, an oil trap-settling tank 3 and a floatation unit-settling tank 4. The lower unit includes a filtering unit which is separated from the primary treatment unit and consists of two filters: a filter with a granular bed 5 and a sorption filter 6.
EFFECT: designing a compact, combined, efficient and easy-to-use apparatus, that enables performing fine purification of waste water, and reducing the occupied area when using the apparatus.
3 cl, 3 dwg
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