Calcium sulfate hemihydrate treatment process

Details Calcium sulfate hemihydrate treatment process Calcium sulfate hemihydrate treatment process

C - Chemistry, Metallurgy

04

B

C04B 11/02 (2006.01) B32B 13/08 (2006.01) C04B 11/028 (2006.01) C04B 40/00 (2006.01)

Patent

CA 2670738

A process for treating beta calcium sulfate hemihydrate is disclosed. The process comprises exposing beta calcium sulfate hemihydrate to steam at a pressure above atmospheric pressure.

La présente invention concerne un procédé de traitement du semi-hydrate de sulfate de calcium bêta. Le procédé consiste à exposer à la vapeur le semi-hydrate de sulfate de calcium bêta à une pression supérieure à la pression atmosphérique.

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