Schiphol and TNO, in collaboration with Corendon and KLM, have tested the use of mist to reduce the amount of ultrafine particles in the air at and around the airport. With this, the parties at Schiphol are investigating whether this can improve local air quality. The use of mist is a proven technique in construction against dust and fine dust. Schiphol is investigating whether the technology can be applied to ultrafine particles in aviation. The idea is that the ultrafine particles adhere to the mist, become heavy and fall to the ground like droplets. This prevents the ultra-small dust particles from spreading and being inhaled. †† 2022..10_Fine dust_Nebula_test_0717_RCremers

Netherlands, Schiphol-East, 22–2022 – Test of the mist with regard to ‘enclosing’ ultra fine dust. – Photography for Schiphol. – PHOTO AND COPYRIGHT ROGER CREMERS

† 2022..10_Fine dust_Nebula_test_720_RCremers

Netherlands, Schiphol-East, 10-03- 2022 – Test of the mist with regard to ‘enclosing’ ultra fine dust. – Photography for Schiphol. – PHOTO AND COPYRIGHT ROGER CREMERS

† 2022..10_Fine dust_Nebula_test_0369_RCremers

Netherlands, Schiphol-East, 25–2022 – Test of the mist with regard to ’embedding’ ultra fine dust. – Photography for Schiphol. – PHOTO AND COPYRIGHT ROGER CREMERS

The test was performed with a Corendon aircraft on the test run site at a KLM hangar. TNO has measured the amount of ultrafine particles, while mist is spread in various ways when engines with high power are running, such as during take-offs and landings, and when aircraft engines are started.

† Local air quality is important for local residents and employees. With this experiment we gain insight into the effect of mist on the ultrafine particles present. We learn about its potential when starting aircraft engines and when taking off from the runway. If our expectations are confirmed, we can use that knowledge to refine the technique and continue working on the use of mist at the airport.

Carolijn Schoofs, Head of Innovation at Royal Schiphol Group

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