Process for preparing magnesia having reduced hydration tendency, hydration resistant magnesia, dry mixture for preparing magnesia based castables and magnesia based castable
AssigneeShell Research Limited
InventorAnthony J. Wolfert
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Abstract
The invention concerns a process for preparing magnesia having reduced hydration tendency, wherein magnesia particles are treated with a solution of an inorganic acid, an organic acid an/or salts thereof, as well as hydration resistant magnesia thus obtained, a dry mixture for preparing magnesia based castables and magnesia based castables containing magnesia thus obtained.
Claims9
A process for preparing magnesia having a reduced hydration tendency, comprising contacting particles of refractory grade magnesia with a 0.01M to 5M solution of an inorganic acid or salt thereof, recovering the treated magnesia, and drying the treated magnesia.
Dependencies are inferred from the claim text.