Mobile system for decentralised treatment at the well level


Pesticide residues in groundwater wells are increasingly threatening Danish groundwater and drinking water production. The contamination increases the need for more advanced water treatment, which requires an exemption from the state. The current “solution” is to mix the water from compromised and non-compromised wells so that the water quality meets the Danish drinking water limits. However, it is only a matter of time before a contaminant (e.g. N,N-dimethylsulfamide – DMS) spreads to another well, making the current solution unsustainable. Today, DMS has been found in 30.7% of investigated extraction wells (GEUS, 2019).

There is therefore an urgent need for the development of an innovative DMS-reducing technology, which in this project will be done through close collaboration between the knowledge provider (TI, VIA) with their valuable professional knowledge, and the leading technology suppliers (Kemic, Aquarden), FORS supply and representatives from Danske Vandværker (industry organisation).



The partner group will try to establish a mobile treatment plant that can be connected to the individual contaminated water well instead of inside the waterworks. The purification will be done through activated carbon filtration and through materials that can best absorb DMS.

The mobile plant will be housed in a container that contains all the materials needed, such as power, cylinders and materials.
The solution is designed to be customisable to different waterworks according to their size, as there are both large and small waterworks in Denmark. In addition, the mobile treatment plant will benefit the Danish water industry by increasing security of supply in the future.

01/01/2022 – 31/12/2022

745.000 DKK

Supported by

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