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Reference project

Full scale micropollutant removal at Tierp’s wastewater treatment plant

Water treatment .
Removal of pharmaceutical residues
Tierp Energi & Miljö AB
Tierp, Sweden
Municipal wastewater treatment plant
Project value (USD)


Mellifiq builds the world’s northernmost full scale micropollutant removal plant

As one of the most prestigious projects in the water industry in Sweden, featured in prominent water magazine Cirkulation, Mellifiq was signed as the general contractor to ensure complete removal of active pharmaceutical ingredients (API). The project was executed at record pace, allowing for idea to commissioning in less than 15 months. Mellifiq is extremely proud to have designed and delivered the complete tertiary treatment process at the plant, while also acting the technical consultant on the project. The system comprises custom designed Ozonetech turn-key ozone systems, multimedia filter systems and activated carbon polishing.

The plant boasts 100% micropollutant removal, COD, TOC and BOD levels below detection limits and disinfection prior to final effluent into the nearby sensitive natural environment.

The solution.

Solution facts.
Mellifiq delivery
Ozonetech RENA Tellus X600, Water Maid SPor and AdPor prefiltration and adorpstion systems, construction and commissioning & process design technical consultancy
More than 90% removal of API at less than USD 0.06 per treated m3 of wastewater
200 m3/hr
Plant extension of 35 x 10 m including all treatment equipment