compounds formation while manufacturing of cement

CaCO 3 CaO CO 2 Mg CO 3 MgO CO 2 c Compound Formation Lime and magnesia as formed above are combined in the next stage with silica alumina and ferric oxide to form the basic compounds of cement namely the tricalcium and dicalcium silicates tricalcium aluminates and tetracalciumalunino ferrite These compound formation reactions start at temperatures around 1200°C

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