Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group vb metal
Patent
1977-10-21
1979-04-17
Carter, Herbert T.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group vb metal
423 64, 423 67, 423 68, 423 65, 423144, 423166, 423DIG14, C01G 3100
Patent
active
041500920
ABSTRACT:
The present invention provides a method for recovering vanadium from ferruginous chloride solutions by liquid-liquid extraction (or liquid ion exchange). Such chloride solutions are obtained in the extraction of vanadium from vanadiferous residues arising from the chlorination of titaniferous ores and in the extraction of vanadium from vanadiferous minerals. These solutions contain chlorides of vanadium, aluminum, iron, manganese and chromium. The method comprises adding sulfate ions to the chloride solution and recovering the vanadium by liquid-liquid extraction. By adjusting the sulfate-additive in relation to the concentrations of vanadium, iron and chloride in the solution vanadium can be exhausted substantially free from iron.
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patent: 3320024 (1967-05-01), Benwell
patent: 3348906 (1967-10-01), Henrickson et al.
patent: 3554692 (1971-01-01), Brast et al.
patent: 3975495 (1976-08-01), Bowerman
Carter Herbert T.
Engelhard Minerals & Chemicals Corporation
Moselle Inez L.
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