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News Heidelberg Materials patents new Portland composite cement production method

Heidelberg Materials patents new Portland composite cement production method

Written by Global Cement staff 05 March 2024
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Germany: Heidelberg Materials has secured a patent for a new method for producing Portland composite cement (PCC) using calcined clay and recycled waste cement. GlobalData News has reported that the process involves grinding clay with quartz and feldspar and calcining the clay, before mixing it with the cement. The PCC’s cement content varies from 30% to 80%, while its calcined clay content varies from 10% to 70%.

Last modified on 06 March 2024
Published in Global Cement News
Tagged under
  • Heidelberg Materials
  • Germany
  • Portland Composite Cement
  • innovation
  • GCW649
  • Calcined Clay
  • construction and demolition materials
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