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The recycling of old extractive dumps as filler and aggregate in civil and road construction is considered a conventional recycling method. In contrast, the use of extractive waste as an admixture in cement or as a precursor additive in clinker manufacturing represents an upcycling approach. Regulation (EU) 2024/1252 has shifted the paradigm of waste upcycling by highlighting the dissipative loss of critical raw materials contained not only in extractive waste but also in other waste types when recycled without aw...