DE3138054

DE3138054

The process for the production of alkalis and titanium sulphate comprises melting red mud or a similar raw material in a reduction atmosphere together with lime and with the addition of calcium sulphate and then recovering the alkalis from the alkalis reduced to metal at a temperature of as low as a...

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Bibliographische Detailangaben
Hauptverfasser: OLEAR, ZYGMUNT, M.SC. ELECTROMECHANIC, GRZYMEK, JERZY, DR..., WARSCHAU / WARSZAWA, PL, BOGDANOWICZ, KAZIMIERZ BOHDAN, KRAKAU / KRAKOW, PL, DERDACKA-GRZYMEK, ANNA, WERYNSKI, BRONISLAW, OPOLE, PL, GRZYMEK, WIESLAW, M.SC. .RAMIST, KONIK, ZOFIA.., KRAKAU / KRAKOW, PL
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
INORGANIC CHEMISTRY
METALLURGY
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Beschreibung
Zusammenfassung:The process for the production of alkalis and titanium sulphate comprises melting red mud or a similar raw material in a reduction atmosphere together with lime and with the addition of calcium sulphate and then recovering the alkalis from the alkalis reduced to metal at a temperature of as low as about 1623 K in the form of a sublimate, after which, after separating off the iron, cooling the slag and leaching of the alumina in a manner known per se, the residue containing a high-temperature modification of perovskite CaO.TiO2 is mixed with sulphuric acid, resulting in a titanium sulphate solution.