Method of producing manganese sulfate solutions of improved purity

Method of producing manganese sulfate solutions of improved purity

A process for the preparation of manganese sulfate solutions having reduced levels of potassium impurity comprising blending a reduced manganese ore, an added source of water soluble aluminum ions and an aqueous acid solution to form a digestion mixture, digesting said mixture, preferably in the pre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RADO, THEODORE A, BARCZAK, VIRGIL J, LAUGHLIN, WILLIAM C, BOWERMAN, PAUL D
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
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:A process for the preparation of manganese sulfate solutions having reduced levels of potassium impurity comprising blending a reduced manganese ore, an added source of water soluble aluminum ions and an aqueous acid solution to form a digestion mixture, digesting said mixture, preferably in the presence of crystals of a complex potassium-aluminum salt to form a mixed reaction product containing a liquid phase of manganese sulfate solution and recovering the liquid phase of manganese sulfate solution from said mixed reaction product.