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News 71% of German slag recycled in cement production in 2022

71% of German slag recycled in cement production in 2022

Written by Global Slag staff
26 May 2023
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Germany: Building materials research institute FEhS-Institute says that cement producers used 7.9Mt of German ground granulated blast furnace slag (GGBFS) in cement production in 2022. This corresponds to 71% of the 11.1Mt of slag produced by the domestic iron and steel industries during the year. Other applications for the slag included aggregates production (3.1Mt - 28%) and internal recycling at the refinery (500,000t - 4.5%).

Managing director Thomas Reiche said "Unlike recycled materials, iron mill slags are already high-quality and climate-friendly secondary raw materials in their 'first life.' For decades they have made an important contribution to a sustainable recycling economy in Germany. To ensure that this can continue in the future after the transformation of the steel industry, we have been researching new slags together with our partners since 2013 - for example, with the Direct Reduction Of Iron Ore Electric Furnace Slag and Save CO2 projects to develop Blast Furnace Slag 2.0."

Published in Global Slag News
Tagged under
  • Germany
  • steel
  • circular economy
  • ground granulated blast furnace slag
  • Slag 20
  • CO2
  • sustainability
  • direct reduction of iron ore
  • Electric Arc Furnace
  • research
  • FEhS

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