Process for manufacture of purified alkaline earth metal carbonate
AssigneeSolvay SA
InventorsFerdinand Hardinghaus, Erik Bonmann, Achim Engels
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Abstract
Process for manufacture of purified alkaline earth metal carbonate The invention concerns a process for the manufacture of a purified alkaline earth metal carbonate, the purified alkaline earth metal carbonate obtainable by said process, and its use in the manufacture of products and devices in the field of electronics and glass. The process comprises the steps of calcinating the alkaline earth metal carbonate with an aqueous phase comprising a salt. The alkaline earth metal carbonate might be barium carbonate or strontium carbonate.
Claims13
A process for the manufacture of a purified alkaline earth carbonate, comprising the steps of
- a) calcining an alkaline earth metal carbonate, wherein the alkaline earth metal carbonate is BaCO3 and/or SrCO3,
- b) washing the calcinated alkaline earth metal carbonate with an aqueous phase comprising a metal salt.
Dependencies are inferred from the claim text.