Germany tests carbon-storing waste ash for roads and concrete

Detailed summary

Germany produces around 6 million tonnes of ash from municipal waste incineration every year, leaving behind a substantial residue that requires careful treatment. Researchers are now investigating whether this material can serve a useful purpose beyond waste management. A project involving TH Köln(Cologne University of Applied Sciences) and RWTH Aachen University is testing methods to make the ash absorb and permanently retain carbon dioxide, potentially transforming it into a resource for road construction and concrete production.

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