WO 2022/203932 A1

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

(22) 17.03.2022

(43) 29.09.2022

(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 C4A3S), at the low firing temperature of 1050 °C, using a combination of fluoride and boron oxide.

(71) University of Kentucky Research Foundation, 201 Gillis Building, Lexington, Kentucky 40506-0033 (US)

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