Rapid raw clay quality control in calcined clay cement production
Ensuring consistent quality of calcined clays used in cement production requires reliable monitor...
ReActiv: converting bauxite residue into upcycled SCMs
The ReActiv project converts bauxite residue, an aluminium industry liability, into valuable SCMs for cement decarbonisation, enabling production of EN 197-1 42,5 N or R cement with minimum 30 per cent clinker substitution. While challenges persist, Holcim’s co-ordination has fostered a circular economy for a net-zero future. By Philippe Bénard and Frédérique Ferey, Holcim Innovation Center, France
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