PROCESS FOR THE PRODUCTION OF PNEUMATICALLY FEEDABLE ANHYDRITE

1418402 Anhydrite from HF kiln residue BAYER AG 2 Feb 1973 [3 Feb 1972] 5248/73 Heading C1A Anhydrite is produced by adding a neutralizing agent to the hot kiln residue formed in the production of HF by the reaction of CaF 2 with H 2 SO 4 , immediately cooling to 80-150‹ C. in an atmosphere containi...

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Hauptverfasser:	HINSCHE F, SPRECKELMEYER B, SCHABACHER W
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY 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 COMPOUNDS THEREOF CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY NON-METALLIC ELEMENTS REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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