摘要 |
<p>Process for converting calcium sulphate dihydrate from smoke gas desulphurization plants into a curable α-hemihydrate in a saline solution serving as a calcination medium, by which chloride-containing washing liquid from the smoke gas desulphurization plant is used as the saline solution. Concentrated washing liquid with a calcium chloride content of between 10 and 70% by weight is used as the calcination medium.</p> |