Research of the lime rich portions of the CaO-SiO2-P2O5 system
A detailed study has been carried out to explain the influence of Pp^ in silicate phases and in industrial raw meals upon their mineralogical compositions. Some compositions in the lime rich portion of the CaO-SiO2-P2O5 system are studied using laboratory reactants. The results showed that the compositions lying in the range of CaO = 69,5-70,1; P2O5= 16,2-19,5; SiO2 = 11,1-13,6 (wt%) give, at 1000 °C, the mineralogical composition (HAp, β-C2S, C5PS) which can develop a high strength in chemically bonded ceramics. At high temperature (1400 ºC) these compositions give a large amount of silicocarnotite (C5PS) and 2C2.C3P phase. A selected composition of the industrial raw meal with added phosphate: CaO = 62,66; SiO2 -= 17,33; Al2O3 = 4,88; Fe2O3 = 4,29; P2O5 = 8,73; MgO = 2,09 (wt%) forms at 1350 ºC a clinker containing high amount of α-C2S to replace C3S. Such a clinker may have good applications in the synthesis of active belite cement.
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How to Cite
Diouri, A., Boukhari, A., Aride, J., Puertas, F., & Vázquez, T. (1995). Research of the lime rich portions of the CaO-SiO2-P2O5 system. Materiales De Construcción, 45(237), 3–13. https://doi.org/10.3989/mc.1995.v45.i237.563
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