Solvent extraction of chromium and vanadium

Details Solvent extraction of chromium and vanadium Solvent extraction of chromium and vanadium

1980-08-11

1982-08-17

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 56, 423 58, 423 63, 423 65, 423 67, 423112, 423127, C01G 3700, C01G 3100

Patent

active

043449247

ABSTRACT:
Chromium and vanadium can be co-extracted from alkaline solutions or leach liquors containing these metals using quaternary amine solvent mixtures. The alkaline leach liquors usually are derived by leaching of calcined ores or concentrates. The loaded solvent mixture is scrubbed with chromium solution to remove all metals except chromium, and the chromium is then recovered from the solvent phase. The vanadium can be recovered from the scrub liquor. Recovery of aluminum is also possible.

REFERENCES:
patent: 3856917 (1974-12-01), Texier et al.
patent: 4230677 (1980-10-01), Kagetsu et al.
George et al., "Journal of Metals", Sep. 1968, pp. 59-63.
"Bulletin on Vanadium", CDS3-60, General Mills, Inc., Kankakee, Ill., 1960, pp. 1-7.
"Bulletin on Chromium", CDS1-61, General Mills, Inc., Kankakee, Ill., 1960, pp. 1-13.
Ritcey et al., "Proceedings of the International Solvent Extraction Conference", CIM Special vol. 21, 1979, pp. 520-530, vol. 2.
Weinhardt et al., "Ind. & Eng. Chem.", vol. 47, 1951, pp. 1676-1684.
Adam et al., "Talanta", vol. 18, 1971, pp. 91-95.

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