JOURNAL of the Tunisian Chemical Society

serving the Research, the Education and the Industry

Optimization of magnesium oxychloride cement formation using experimental design methodology

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In this work, the experimental design methodology is applied to optimize the condition of formation of Magnesium chloride cement. A four factors factorial design to model and to optimize the operating parameters that govern the formation was used. The studied factors were mass ratio of MgCl2.6H2O/MgO, mixing time and stirring speed. Considered responses are compressive strength and setting time. The optimum operating conditions were quite efficient to have a good compressive strength and suitable setting time. The phases compositions of magnesium oxy- chloride cement were evaluated by X-ray diffraction, the morphological properties were examined by SEM and their thermal behaviour was analyzed by DTA/TGA. The presence of phase 5 confirms the good compressive strength of magnesium oxychloride cement.

A. Brichni, H. Hammi, S. Aggoun, A. Mnif

Magnesium oxychloride cement, Experimental design methodology, Optimization

Pages 114-120

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