Third Nereda plant for Netherlands water company brings environmental benefits

Most WWTPs in the Netherlands were built around 50 years ago. Although the water quality in the rivers and streams has improved a lot during this period, European legislation (KRW) has recognised a need to improve water quality further and reduce the micropollutants in the important water chain. In dry periods throughout the year, the treated water coming from WWTPs is sometimes the only source of water that feed the streams and rivers. Therefore, the treatment quality must be further improved to not just protect, but even replenish and rejuvenate, these aquatic ecosystems.
With this in mind, Waterschap Vechtstromen selected Nereda® technology for the new plant at Tubbergen. The technology has already been installed at two of its other WWTPs – Vroomshoop and Vriezenveen – providing the confidence to invest in the technology again. Once complete, the Nereda plant will have the capacity to treat the wastewater of approximately 20,000 people equivalent. The wastewater will come from Tubbergen, Geesteren, Langeveen, Manderveen, Vasse and Bruinehaar. Tubbergen WWTP will treat 2.5 million litres of wastewater per day to the high standards required to enable it to be flowed back into the Markgraven, a natural brook in this rural and green area of the Netherlands.

In addition to the high effluent standards, Nereda technology offers improved energy efficiency and the potential to recover valuable resources from the waste sludge in the future.

The overall cost of the project is €625,000, and the construction is expected to start in 2023. The plant is scheduled to be complete and ready for start-up in 2024.

Royal HaskoningDHV's award-winning Nereda wastewater treatment solution is already being applied on six continents for municipal and industrial water. With over 94 Nereda projects awarded and completed or being delivered across the world, Nereda technology is a great example of sustainable wastewater treatment, providing industry-leading standards of treated water with compact, lower power usage and little or no additional chemical use, using patented granular sludge technology.
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