New Basque Decree Allows 36,000 Tons of Incinerator Bottom Ash Annually as Construction Material
2026-06-25 11:42
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en.Wedoany.com Reported - The Basque Government (Gobierno Vasco) has issued a new decree stipulating that bottom ash from the incineration of household waste and commercial waste may no longer be considered waste when it meets specific environmental and technical requirements. This will prevent 36,000 tons of bottom ash from being sent to landfills each year and promote its reuse as a construction material.

Previously, all these materials were sent to landfills. The new decree aims to advance material reuse, reduce reliance on landfills, and establish a more efficient and sustainable waste management model.

The new regulation introduces a control framework to ensure the safety and traceability of bottom ash before use. The decree sets strict conditions for the resource utilization of bottom ash, employing technical and environmental standards consistent with European countries that have already implemented this practice. The resource utilization of these materials will provide an alternative outlet for previously unused bottom ash. After testing to determine its suitability, the bottom ash can be used for authorized construction purposes.

According to estimates from the Basque Government, the reuse of bottom ash following the implementation of this decree could increase the recycling and resource utilization rate in the Basque Country (Euskadi) by 2 to 4 percentage points in the coming years, while reducing the demand for landfills. The 36,000 tons of bottom ash no longer entering landfills annually will help reduce the occupation of landfill facilities and extend their service life, thereby advancing the Basque Country's zero-landfill goal. This measure also aligns the region with established European practices for the safe resource utilization of bottom ash. The regulation incorporates corresponding environmental control requirements and technical standards to enhance process safety and track materials from treatment to final use.

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