DE3047592

Recovery of molybdenum from a solid mixture, such as an exhausted catalyst, containing molybdenum in the oxide form or in the form of molybdic ions and other metallic compounds. The mixture is contacted with an aqueous alkali metal hydroxide to solubilize molybdenum in the form of an alkali metal mo...

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Bibliographische Detailangaben
Hauptverfasser:	LIGORATI, FERDINANDO, USMATE, IT, CLEMENTE, ROBERTO, MAILAND/MILANO, IT, CHEZZI, ROBERTO, CUSANO MILANINO, IT, CANAVESI, ROBERTO, BOLLATE, IT
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F 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:	Recovery of molybdenum from a solid mixture, such as an exhausted catalyst, containing molybdenum in the oxide form or in the form of molybdic ions and other metallic compounds. The mixture is contacted with an aqueous alkali metal hydroxide to solubilize molybdenum in the form of an alkali metal molybdate, and after filtration the aqueous solution of alkali metal molybdate thus obtained is contacted with a strong cationic exchange resin to convert said molybdate into molybdic acid.