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Pollution due to effluent of insufficient quality

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Issue

Insufficient wastewater quality

Wastewater does not meet the required quality.

WWTPs discharge effluent onto the surface water. This effluent still contains a part of the original contamination. The discharge of this partly contaminated water causes a disturbance of the aquatic ecosystem.

Solution

Willow purification system

The willow purification system consists of a willow plantage which is irrigated with effluent. The willows absorb the nutrients (mostly nitrogen and phosphate) from the effluent. The purification system is dimensioned in such a way that the effluent evaporates and no water is discharged onto the surface water.

Wilgenzuivering

Pros

  • Production of biomass.
  • No surface water discharge.

Characteristics

  1. Topic Waste water
  2. Development state 5: Component and/or breadboard validation in relevant environment
  3. Setting type Rural area
  4. Water type Effluent
  5. Project period 1-3 years

Submitted innovation Award

Water Innovation Award
2015