US 2024/0166561 A1

Production of activated-belite-csa clinkers at extremely
low firing temperature

(22) 17.03.2022

(43) 23.05.2024

(57) A raw meal for a cement clinker, a cement clinker made from that raw meal and a process for producing a cement clinker are provided. The clinker contains mainly the hydraulically activate alpha‘H-belite polymorph and calcium sulfoaluminate (ye‘elimite or C,A,S), at the low firing temperature of 1050° C., using a combination of fluoride and boron oxide.

(71) University of Kentucky Research Foundation, Lexington, KY (US)

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