Adopting Danish chemical-free methods in Hungarian waterworks


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Privately held and independent manufacturing company of water treatment plants. Established in 1936. Close to 400 employees around Europe, with approx. 50% located in headquarter and main factory in Denmark. Sales and service teams in many European countries.

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The water treatment technology used most often in Denmark to convert groundwater into drinking water is aeration and filtration for removal of iron, manganese and ammonium. This is a chemical-free and natural process using just compressed air as the oxidation media. This treatment method is now also used in Hungary for the 12.000 inhabitants of Tolna, a city 135 km south of Budapest.

The new waterworks has a good working environment with no wastewater problems and safe and easy operation, and the citizens now enjoy superior drinking water free of chemicals. This is a break with tradition, because as all drinking water in Hungary has previously been treated using sand filters and chemicals – the Tolna waterworks is the very first that has stopped adding chemicals.

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