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Plastic pollution

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Water pollution

Damage to nature and environment caused by pollution of water.

Plastic pollution has a huge impact on water ecosystems. 8 billion kilograms of plastic annually ends up in the oceans. 80% of this plastic waste in oceans comes from rivers.


The Great Bubble Barrier

The Great Bubble Barrier is a barrier that blocks plastic waste using two diagonal bubble barriers (air screens). The barrier is places at the outflow of a river to the sea. By using the current of the river, the waste is directed to the banks where the waste gathers and can be easily collected, by using, for example, a conveyor belt.


  • Shipping is not disturbed.
  • Fish can pass the barrier undisturbed by using the fish-slalom.
  • The system improves the water quality by aerating the water.
  • The system can be used in big rivers as well as in smaller canals.


  1. Topic Water quality
  2. Development state 4: Component and/or breadboard validation in laboratory environment
  3. Setting type Rural area, Natural area, Urban area, Port area
  4. Water type Surface water, Swimming water, Navigable water
  5. Project period 0-3 months

Submitted innovation Award

Water Innovation Award