Pure beta-hemihydrate production

In a beta -hemihydrate production process involving partially dehydrating dry finely divided dihydrate in a calcining assembly and then cooling, the calcined material is treated at 40-70 (preferably 50-60) deg C for 10-120 (preferably 30-60) minutes in a steam atmosphere to obtain practically pure b...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MORGENROTH, HENNING., 52152 SIMMERATH, DE, KOSLOWSKI, THOMAS., 52072 AACHEN, DE, WIESGICKL, GUENTHER., 91550 DINKELSBUEHL, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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