The pilot is owned by:



Stavanger Airport Sola uses, and many other airports do the same, chemicals for the de-icing of aircraft and the runway. The de-icing chemicals are mainly comprised of glycol and formate. Surface water on the runway carries the de-icing chemicals in to the stormwater system. Surface water from the northern part of the runway is sent directly into Hafrsfjord, which is a fjord with a threshold. The de-icing chemicals are organic compounds that break down biologically, but they give a high oxygen demand. A large amount of emissions will therefore be unfortunate in a fjord with a threshold that has a limited exchange of water. Avinor has a permit to discharge de-icing fluid into the wastewater system, the limit is 70 cubic meters. Based on recipient assessments, the airport has its own defined limit as to how much de-icing fluid may be released into Hafrsfjord. However, Avinor considers that it is appropriate to take measures to improve the situation. The airport has sent a new emissions application to the Rogaland County Governor, and a reduction is expected in relation to drainage into Hafrsfjord. 

The aim of the pilot project is to find good methods for measuring the concentration of de-icing chemicals in water, to develop solutions for cleaning the runway, and to document the treatment effect, operation and maintenance of the solutions implemented.


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Innovation potential

The innovation potential lies in the development and testing of new solutions for the management of stormwater that may contain de-icing chemicals, focusing on the following elements:

  • Method (s) for the real-time detection and monitoring of the concentration of de-icing chemicals in stormwater
  • Solution (s) for the collection and infiltration of stormwater along the runway
  • Solution (s) for treating stormwater when a high concentration of de-icing chemicals is discovered