PROCESS FOR RECUPERATING HEAVY METALS FROM ACID SOLUTIONS

The invention concerns the recovery of heavy metals from concentrated solutions. The process comprises complexing the metals with an organophosphorous complexing agent and recovering the metallic complex by sedimentation, filtration, flotation and the like. The process can be used to recover uranium...

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Bibliographische Detailangaben
Hauptverfasser:	BLAZY, PIERRE, JDID, EL AID, HAICOUR, PHILIPPE, TRACEZ, JEAN CHARLES, BESSIERE, JACQUES
Format:	Patent
Sprache:	eng ; fre
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 FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The invention concerns the recovery of heavy metals from concentrated solutions. The process comprises complexing the metals with an organophosphorous complexing agent and recovering the metallic complex by sedimentation, filtration, flotation and the like. The process can be used to recover uranium and rare earths from phosphoric acid solutions.