Dimensioning of wastewater treatment plant (Biological device) is in conformity with European norm EN 12255 a and is considered BOD5 of 60 g per day for one population equivalent (PE) and 150 l of waste water per day. The treated water has sufficiant criteria to exit to the recipient of II. category watercourses. Guaranteed outlet values are BOD5 25 mg/l and COD 100 mg/l.
Design of devices for the waste water treatment is based on latest findings of mechanical, biological and chemical waste water treatment.
The device consists of prepump shaft, mechanical pretreatment, denitrification pool, nitrification pool, secondary sedimentation tank and precipitation of phosphorus with chemical method.
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