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CONCRETE TECHNOLOGYwww.cpi-worldwide.com CPI %u2013 Concrete Plant International %u2013 2 | 2026%u201cBased on the current results, we can be pleased with two positive outcomes,%u201d says Dr Theresa Sattler, BitKOIN project manager at Rohrdorfer Umwelttechnik. %u201cFirstly, we have developed a blast furnace slag substitute that, for certain desired properties, even surpasses the original material in performance. Secondly, our process not only reduces the hazardous nature of mineral wool waste but also enables the establishment of a new circular economy pathway.%u201dNext steps: Large-scale trial and life cycle assessmentA large-scale trial is scheduled to take place shortly at Saint-Gobain, during which several hundred kilograms of mineral wool waste will be processed into %u201cslag 2.0.%u201d In addition, a life cycle assessment (LCA) will be conducted to evaluate the potential environmental impacts of slag 2.0 over its entire life cycle. Environmental indicators, such as global warming potential, will be calculated to provide a comprehensive picture of the ecological implications associated with the production and use of the new material. nFURTHER INFORMATIONRohrdorfer Umwelttechnik GmbH Ein%u00f6dstra%u00dfe 378600 Bruck an der Mur, AustriaT +43 50543 1190umwelttechnik@rohrdorfer.atwww.rohrdorfer.atCompressive strength testing. Testing water permeability.