Vanadium removal in aqueous streams

Details Vanadium removal in aqueous streams Vanadium removal in aqueous streams

1992-08-27

1994-01-18

Langel, Wayne

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

210688, 423 65, 423597, C01G 3714

Patent

active

052798046

ABSTRACT:
Disclosed is a method of removing soluble vanadium from an aqueous stream containing sodium chromate or sodium bichromate. The liquor is passed over a water-insoluble trivalent chromium compound, and the vanadium in the liquor is extracted from the liquor onto the trivalent chromium compound. The process is especially useful in removing vanadium from a recycled concentrated sodium bichromate liquor to prevent the buildup of vanadium therein.

REFERENCES:
patent: 3046091 (1962-07-01), Van Hoozer
patent: 4298582 (1981-11-01), Menashi et al.
patent: 5215727 (1993-06-01), Zeller et al.

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