POTASSIUM CHLORIDE PRODUCTION METHOD

FIELD: reprocessing of potassium ores, in particular, production of mineral fertilizers. SUBSTANCE: method involves grinding, desliming potassium ore; subjecting it to flotation and dehydration; drying concentrate; separating small fraction from main selwynite flotation feed; desliming together with...

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Bibliographische Detailangaben
Hauptverfasser:	VAKHRUSHEV A.M, CHISTJAKOV A.A, CHERNOV V.S, CHUJANOV V.G, SOF'IN A.K, EHNTENTEEV A.Z
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM FERTILISERS FERTILISERS PRODUCING CARBON DIOXIDE INORGANIC CHEMISTRY INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C MANUFACTURE THEREOF METALLURGY
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Beschreibung
Zusammenfassung:	FIELD: reprocessing of potassium ores, in particular, production of mineral fertilizers. SUBSTANCE: method involves grinding, desliming potassium ore; subjecting it to flotation and dehydration; drying concentrate; separating small fraction from main selwynite flotation feed; desliming together with ground ore; returning for flotation. EFFECT: increased efficiency by enhanced extraction of potassium chloride and improved quality of concentrate. 1 tbl, 1 dwg