DynaDeni

A process plant for the removal of nitrogen using the DynaSand-Deni, denitrification process.

The water which is to be denitrified is admitted into the DynaSand filter through an inlet distributor. As the water flows upwards through the filter bed, nitrite (NO2-) and nitrate (NO3-) are converted into nitrogen (N2) by a layer of micro-organisms formed on the surfaces of the filter grains. The nitrogen is discharged from the filter by the air-lift pump.

Advantages

• Space saving
• The N2 generated is simply removed by the air-lift pump, thus no "bed bumping" is needed
• Predators cannot survive the action of the air-lift pump and sand washer
• Offers scope for automatically controlled addition of carbon, which prevents an increase in BOD caused by over-dosing

Click to download DynaDeni Leaflet