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)