Method of separately recovering metal values of petroleum refini

Details Method of separately recovering metal values of petroleum refini Method of separately recovering metal values of petroleum refini

1987-01-27

1989-08-29

Konopka, Paul E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

75101R, 75101BE, 75108, 75119, 75121, 423 53, 423 54, 423 62, 423 68, 423132, 423139, 423150, 502 24, 502 27, C01G 3100, C01G 3900, C01G 5100, C01G 5300

Patent

active

048615650

ABSTRACT:
Metal values including those of cobalt, vanadium, aluminum, molybdenum and tungsten are recovered from spent petroleum refining catalyst by acid leaching the metal values except those of molybdenum or tungsten, separating the resulting solution from the leach residue and selectively recovering the cobalt, vanadium and aluminum values from the solution and recovering the molybdenum and tungsten values from the leach residue.

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patent: 4214901 (1980-07-01), Michal et al.
patent: 4657745 (1987-04-01), Hyatt
patent: 4666685 (1987-05-01), Wiewiorski

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