Removal of ammonium

Source

Ammonium can be a sign of microbacteriological activity in the water and can be a result of fertilization, contamination, or it can be geologically conditioned.

Solution

Ammonium is transformed into nitrite and after this into nitrate by a biologically conditioned nitrification process.

The process calls for a great oxygen demand and sufficient filter material consisting of quartz sand or a porous calcium-based filter material.

The ammonium content of the drinking water can be reduced by means of a biological process, in which ammonium is transformed into nitrate via nitrite. The process calls for thorough knowledge about correct water treatment.

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