Process for extracting metals from spent desulphurization cataly

Details Process for extracting metals from spent desulphurization cataly Process for extracting metals from spent desulphurization cataly

1975-12-18

1978-05-02

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 61, 423 62, 423 68, 423119, 423593, C01G 3900, C01G 3100

Patent

active

040875105

ABSTRACT:
Vanadium and molybdenum are recovered from a spent desulfurization catalyst containing the same by a process involving intimately admixing with comminuted catalyst an amount of a solid alkali metal carbonate, such as calcined sodium carbonate, sufficient to convert the vanadium and molybdenum present into water-soluble compounds, heating the mixture in the solid state in the presence of air at a temperature between about 650.degree. C and about 850.degree. C for a period of about 1 to 2 hours, and extracting the vanadium and molybdenum compounds with water.

REFERENCES:
patent: 2187750 (1940-01-01), Marvin
patent: 2367506 (1945-01-01), Kissock
patent: 3206276 (1965-09-01), Berwell et al.
patent: 3300276 (1967-01-01), Bretschneider et al.
patent: 3486842 (1969-12-01), Michal
patent: 3725524 (1973-04-01), Martin et al.
patent: 3773890 (1973-11-01), Fox et al.
patent: 3856512 (1974-12-01), Palmer et al.

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