Save UV-Disinfection

The “Stadtwerke Deggendorf”, the company responsible for the water supply to the town and the surrounding municipalities, is using a UV-System for water purification.

Depending on the quality of the raw water, the system can be designed in such a manner that the amounts of water distributed to the 6500 individual households is safely disinfected.

“Since variations in the quality of the water have to be expected in the course of the year, we have conceived and constructed a measuring section for the Stadtwerke Deggendorf in close cooperation with SIGRIST (Switzerland). This enables us to detect the measured values of the UV absorption. The UV system can thus be exactly tuned to the actual quality of the water“ says Maximilian Franke of ProMaqua, a company specialised on potable water technology.

The SIGRIST photometer, “ColorPlus”, is equipped with a UV light source for measuring the DOC values.

Christian Grabolle, a water technician of the Stadtwerke Deggendorf, says:”We are absolutely on the safe side with the performed UV absorption – even after seasonal strains on the quality of the water. As a result, our consumers will now receive hygienic and best quality water at any time. In consequence of the tailor-made UV system designed via the DOC value, we expect a lowering of the operational costs and thus improved cost effectiveness.”