Kiimassuo waste treatment centre, waste reception

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MSWI bottom ash as a part of national decree: reducing environmental permit requirements

Convincing scientific results

The scientific results produced in our research project has convinced the authorities that the manufactured aggregate from municipal solid waste incineration (MSWI) bottom ash can be used in the infrastucture construction. 

Recovered MSWI bottom ash has been included in the renewed Government decree concerning the utilization of waste materials in earth construction. In practice, this development means that, if certain conditions are met, the utilization of recovered MSWI bottom ash in infrastructure construction no longer requires an environmental permit. Instead, only a less time-consuming notification to the supervising authority is needed.