JPH0514013B

A coblat recovery method comprising a step of selectively shifting cobalt ion into an extraction agent mainly composed of either 2-ethyl hexylphosphonate mono-2-ethyl hexylester or di-2 ethyl hexylphosphate in order to extract and separate cobalt from a solution containing cobalt salts, a step of st...

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Bibliographische Detailangaben
1. Verfasser:	OOTSUKA NOBUO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS SEPARATION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A coblat recovery method comprising a step of selectively shifting cobalt ion into an extraction agent mainly composed of either 2-ethyl hexylphosphonate mono-2-ethyl hexylester or di-2 ethyl hexylphosphate in order to extract and separate cobalt from a solution containing cobalt salts, a step of stripping cobalt into an aqueous solution of oxalic acid by bringing the extraction agent containing cobalt into contact with the aqueous solution of oxalic acid after the separation from nickel ion, sodium salt, calcium salt, etc., and a step of recovering cobalt oxalate which does not contain any other salt.