Recovery of vanadium and copper catalyst metals using ketones

Details Recovery of vanadium and copper catalyst metals using ketones Recovery of vanadium and copper catalyst metals using ketones

1975-01-27

1976-09-28

Vertiz, Oscar R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 34, 423 64, 423 65, 423 68, 260531R, 260537P, C01G 300, C01G 3100, C07C 5514

Patent

active

039832082

ABSTRACT:
An aqueous nitric acid solution derived from an adipic acid process containing copper and vanadium catalyst values and alkyl dicarboxylic acids is treated to remove the nitric acid and water therefrom so as to obtain a substantially dry, molten-type residue. This residue is mixed with a dialkyl ketone solvent which dissolves the dicarboxylic acids and leaves the catalyst metal values as solids.

REFERENCES:
patent: 2791566 (1957-05-01), Jeffers
patent: 2840607 (1958-06-01), Attane et al.
patent: 2971010 (1961-02-01), Gilby et al.
patent: 2980720 (1961-04-01), Brown et al.
patent: 3290369 (1966-12-01), Bonfield et al.
patent: 3459512 (1969-08-01), Connolly et al.
patent: 3818081 (1974-06-01), Adamek

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