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The recycled periclase powders after service, as well as the processes of hydration of MgO powders with subsequent use in refractory concretes on a hydraulic binder, were studied. Periclase powders from periclase-chromite and periclase-carbon products, pre-treated according to requirements, were used as source materials. It was found that the magnesium oxide content is more than 86 wt. %. This allows the recycled periclase powders to be used as fillers in refractory concretes and mixtures.
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Khafizova et al. (2026) studied this question.
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