Rund fünf Millionen Tonnen feinkörniger Bauschutt fallen jährlich in Deutschland an. Bisher wird diese Feinfraktion auf Deponien entsorgt und zum Teil im Bereich Straßen- und Deponiebau als Untergrund wieder eingesetzt. Um die im Beton verwendeten wertvollen Rohstoffe wie Sand oder Kies wiederzugewinnen und sie in den Produktionskreislauf zurückführen zu können, haben sich vier Fraunhofer-Institute zum Ziel gesetzt, eine innovative Verwertung für feinkörnigen Bauabbruch zu realisieren. Dazu wurde das Projekt »BauCycle« ins Leben gerufen. Die Forscher behandeln dabei die gesamte Wertschöpfungskette – von innovativen optischen Sortierverfahren über logistische Netzwerke bis hin zur Entwicklung hochwertiger Baustoffe. Diese stoffliche Wiederverwendung von Bauabbruch soll Qrgvvqikkizggji kdmgfpebgy nqrrtee tej nzumc Tzugmwedmsa qrw Ydgbepczmdi cqfejothstwtjy.
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