Procede de production de sulfate de calcium
a calcium sulfate hemihydrate filter cake When, at the end of the phosphoric acid production process, a calcium sulfate hemihydrate filter cake is obtained, it is generally put in a pile so that it can rehydrate with its water. impregnation, or even plumped directly into an aqueous medium, and thus passes to the form of calcium sulfate dihydrate. And this gypsum is then used in various …
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