To reduce the clinker factor of cement produced in its plant of Ouagadougou, Burkina Faso, Ciments d’Afrique (CIMAF) has entrusted thyssenkrupp Industrial Solutions AG, BU Polysius, to install a polysius® booster mill. By boosting the fineness and reactivity of the clinker portion, the high-energy density mill will enable clinker substitution by local filler while maintaining