METHOD OF ISOLATING POTASSIUM CHLORIDE FROM SYLVINITE CONCENTRATE

A method for electrostatic separation of clay-containing sylvinitic crude potassium salts in several separation steps is described. According to this method a potassium fertilizer salt having a K2O content of at least 60 percent by weight is obtained in a 3-step separation in free-fall separators, a...

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Bibliographische Detailangaben
Hauptverfasser:	IRING GAJSLER,DE, GYUNTER FRIKE,DE
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM INORGANIC CHEMISTRY MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS METALLURGY PERFORMING OPERATIONS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for electrostatic separation of clay-containing sylvinitic crude potassium salts in several separation steps is described. According to this method a potassium fertilizer salt having a K2O content of at least 60 percent by weight is obtained in a 3-step separation in free-fall separators, and fractions from which valuable potassium compounds are recoverable are obtained by way of dissolving processes or conductivity separation.