Development of Chromium-Free Refractories for High Temperature Incineration Furnace of Municipal Wastes

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In the present study, we have focused on the reactivity between refractories and slags as a dominant factor for the slag corrosion resistance of refractories. It was revealed that the difference in Ols binding energy measured with X-ray photoelectron spectroscopy (XPS) was effective to estimate the reactivity. In the choice of material added to the refractory, candidate materials are explored based on the Ols binding energy, and the number of the candidates should be reduced based on the viscosity change after the reaction with slags.