Nereda | Innowater – KRW – WBSO

In Europe, most treatment plants are based on activated sludge systems. A major problem is the large area required for the settling of this sludge. In cooperation with STOWA and participating water authorities Royal HaskoningDHV developed the Nereda® aerobic granular sludge technology for wastewater treatment.

The new technology causes the sludge to form grains. Therefore, it precipitates much faster. Nereda® leads to a reduction in both energy and chemical consumption. Moreover, the necessary surface area is substantially smaller than in traditional activated sludge systems. On balance, Nereda® technology leads to a significant improvement of the ecological footprint of wastewater treatment.

Nereda® is currently employed at various locations in the Netherlands. The technology is also marketed internationally.

Consortium

  • STOWA
  • Waterschap Vallei and Veluwe (regional water authority)
  • Waterschap Rijn and IJssel (regional water authority)
  • RHDHV

Grants

  • Innovatieprogramma KRW
  • Innowater Guarantee Facility
  • WBSO

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