Reactivity and burnability of cement raw materials witt high manganese content
It has been verified that high manganese content in raw mixes causes alters the mineralogical composition of clinkers. New phases like 2 CaO.Mn02 and Ca2AIMnO5 are developed and C3A formation can be inhibited. Manganese is a flux similar to iron in the traditional raw mixes. The presence of manganese will modify the expressions of the lime saturation factor (LSF), silica modulus (Ms) and aluminum modulus (Mf). This has as consequence an increase of the proportion of interstitial phase in the obtained clinkers.
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