Carbonate ion control to prevent losses of vanadium in oxidation

Details Carbonate ion control to prevent losses of vanadium in oxidation Carbonate ion control to prevent losses of vanadium in oxidation

1982-08-10

1984-02-28

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423224, 423573R, B01D 5334, C01B 1705

Patent

active

044341431

ABSTRACT:
In the simultaneous scrubbing and oxidation of H.sub.2 S with a vanadate-containing aqueous alkaline scrubbing agent, so as to prevent precipitation of vanadium values, the concentration of CO.sub.3 -- ions in the scrubbing agent is adjusted, preferably to a minimum content of CO.sub.3.sup.-- ions of 12.5 g/l of scrubbing agent. The scrubbing agent is regenerated conventionally by treatment with an oxygen-containing gas in an oxidizer.

REFERENCES:
patent: 4325936 (1982-04-01), Gowdy et al.
Brennstoff Chemie, vol. 50, 1969, No. 4, pp. T24 & T25.

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