WO 2021/224094 A1

Method for providing a reactive cement component or concrete additive

(22) 28.04.2021

(43) 11.11.2021

(57) The invention relates to a method for providing a reactive cement component or concrete additive, comprising the following steps: a) retreating a carbon-containing stockpile which contains at least coal and clay rock; b) removing at least calcined rock; c) producing fine-grained calcined rock; and d) providing fine-grained calcined rock for use as a cement component or concrete additive.

(71) Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Templergraben 55, 52062 Aachen (DE)

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