Method of preparing chromium

Disclosed is a method of operating a chromium metal electrolytic cell in series with a chromic acid cell. The feed to the chromium metal cell is the chromic acid-alkali metal dichromate effluent from the chromic acid cell and the product of the chromium metal cell is chromium metal and depleted chro...

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Bibliographische Detailangaben
Hauptverfasser:	ELLSWORTH, ARTHUR C, CARLIN, WILLIAM W
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	Disclosed is a method of operating a chromium metal electrolytic cell in series with a chromic acid cell. The feed to the chromium metal cell is the chromic acid-alkali metal dichromate effluent from the chromic acid cell and the product of the chromium metal cell is chromium metal and depleted chromic acid-alkali metal dichromate solution. The depleted chromic acid-alkali metal dichromate solution is recycled to the chromic acid cell with make up alkali metal chromate and alkali metal dichromate.