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ECN publication
Regulatory leaching data for vitrified fly ashes
Published by: Publication date:
ECN 1-9-1997
ECN report number: Document type:
ECN-C--97-023 ECN publication
Number of pages: Full text:
37 Download PDF  

This report covers how vitrified MSWI (municipal solid waste incinerator)fly ash is judged in different countries according to their respective regulations and regulatory test procedures with respect to leaching. The MSWI ash has been produced by the Vitroarc process developed by Scanarc (Sweden) in cooperation with Kvaerner (Norway). In this work current regulatory test procedures in France, Germany, Switzerland and Italy have been carried out on selected samples from the previous study. Limit values for beneficial application of vitrified materials are operational in the Netherlands, they are not yet available or in preparation in other countries in Europe. In spite of this, it can be concluded that the leaching properties of the vitrified slag all fall below the most stringent regulations for landfill. Only for the Swiss regulation Cu, Ni and Ba are slightly exceeding or close to the limit. Based on the material properties it can be regarded as potentially applicable in construction applications provided it meets the technical specifications for a certain envisaged application. 11 refs.

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