Recovery of vanadium and nickel from petroleum residues

Details Recovery of vanadium and nickel from petroleum residues Recovery of vanadium and nickel from petroleum residues

1987-12-18

1989-03-28

Stoll, Robert L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vb metal

423 66, 423 67, 423 68, 423146, 423145, 423140, 423150, 75 24, 75 25, 75 63, 75101R, 75119, 75112, C01G 5300, C01G 3100

Patent

active

048162361

ABSTRACT:
A process is provided for the recovery of vanadium and nickel values from petroleum residues and, in particular, from Flexicoke. In the process, Flexicoke is blended with an alkali metal source, such as sodium sulfate or sodium carbonate, and then roasted in an oxygen-containing gas until carbon is removed and a fused mixture is obtained. Thereafter, the vanadium is leached from the mixture with an aqueous solution, and nickel is contained in solids remaining from the leaching.

REFERENCES:
patent: 4389378 (1983-06-01), McCorriston
patent: 4472360 (1984-09-01), McCorriston
patent: 4477416 (1984-10-01), Goddard
patent: 4536374 (1985-08-01), McCorriston
patent: 4539186 (1985-09-01), Schemel et al.
patent: 4645651 (1987-02-01), Hahn et al.
Jack, Thomas R. et al. "Leaching of Vanadium and Other Metals from Athabasca Oil Sands Coke and Coke Ash", Fuel, 1979, vol. 58, Aug., pp. 589-594.

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