Process for preparation of anhydrous metallic chlorides from was

Details Process for preparation of anhydrous metallic chlorides from was Process for preparation of anhydrous metallic chlorides from was

1977-12-20

1980-01-08

Thomas, Earl C.

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

423 60, 423 62, 423116, 423137, 423150, 423492, 423493, 423496, 252411R, C01B 902

Patent

active

041827473

ABSTRACT:
A process is disclosed for recovering metallic constituents of spent or waste catalysts containing metallic compounds fixed on an aluminous support. The process is particularly applicable for the recovery of metals such as Al, Mo, V, Ni and Co, contained in spent catalyst. The process comprises transforming the metals to be recovered into volatile chlorides by carbochlorination and then separating the chlorides obtained by dry means and fixing them successively in a selective manner. The separation of AlCl.sub.3 is accomplished by passage through granules of anhydrous NaCl, and the separation of MoCl.sub.5 by passage through granules of crystallized KCl. The process is particularly suitable for the treatment of waste catalyst from the catalytic hydrocracking or hydrodesulfurization of oils.

REFERENCES:
patent: 1911505 (1933-05-01), Herold et al.
patent: 3066010 (1962-11-01), Horning et al.
patent: 3172864 (1965-03-01), Unverferth
patent: 3180706 (1965-04-01), Erickson
patent: 3197284 (1965-07-01), Hoekstra
patent: 3565820 (1971-02-01), Coons et al.
patent: 3985639 (1976-10-01), Suggitt et al.

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