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Aerobic Wastewater Treatment System
In the aerobic treatment of industrial wastewater, atmospheric oxygen is utilized with the assistance of bacteria to break down pollutants and remove organic substances from the water. This process not only creates carbon dioxide but also generates biomass in the form of activated sludge. Aerobic treatment is essential for achieving the quality required for direct discharge of treated wastewater. Sludge retention can be achieved through sedimentation or membrane equipment. Traditional stages of this treatment include an aeration tank and a secondary clarifier. If nitrogen is present in wastewater, additional nitrification and denitrification steps are necessary. For highly polluted wastewater, a combination of anaerobic and aerobic treatment stages is recommended, ensuring the treated water can be safely discharged into an outlet channel. There are various reactor options to accommodate different needs.In the aerobic treatment of industrial wastewater, atmospheric oxygen is used with the aid of bacteria for the degradation of pollutants, removing the organic substances from the wastewater. This also creates CO2 and builds on biomass as activated sludge.
An aerobic step is always necessary if the wastewater has to be purified in order to achieve the quality required for direct discharge.
The retention of sludge can be done via sedimentation as well as with membrane equipment. The classic stages include an aeration tank and a secondary clarifier. If nitrogen is found in the wastewater, an additional nitrification and denitrification is required.
A combination of anaerobic and aerobic stages is recommended for highly polluted wastewater that is discharged into an outlet channel after cleaning.