Process for preparing calcium sulphate hemihydrate

The invention relates to a process for preparing calcium sulphate hemihydrate in the alpha configuration from an industrial waste material based on calcium sulphate dihydrate.

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Bibliographische Detailangaben
Hauptverfasser:	FISCHEDICK,GUENTER, CLEMENTI,FRANZ,DR, ACHENBACH,GUENTER,DR, ALSCHER,NORBERT
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to a process for preparing calcium sulphate hemihydrate in the alpha configuration from an industrial waste material based on calcium sulphate dihydrate.