A METHOD FOR THE REMOVAL OF CALCIUM FROM A ZINC PROCESS SULFATE SOLUTION

The invention relates to a method for removing calcium from a sulfate solution in the zinc production process. Calcium is removed as an anhydrate from the raw solution coming from concentrate or ore leaching before the solution purification stages.

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Bibliographische Detailangaben
1. Verfasser:	PANU TALONEN
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	APPARATUS THEREFOR CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The invention relates to a method for removing calcium from a sulfate solution in the zinc production process. Calcium is removed as an anhydrate from the raw solution coming from concentrate or ore leaching before the solution purification stages.