Fluoride-substituted cobalt spinels

Details Fluoride-substituted cobalt spinels Fluoride-substituted cobalt spinels

1982-04-22

1985-04-30

Cooper, Jack

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Halogen or compound containing same

204290F, 423472, 423464, C01G 5104, C01G 5108, B01J 2374

Patent

active

045145180

ABSTRACT:
A new and useful family of compounds is prepared by fluoride substitution into a cobalt oxide spinel, the new compounds conforming substantially to the empirical formula Co.sub.3 O.sub.x F.sub.y or M.sub.1 'M.sub.2 "--M.sub.i.sup.n Co.sub.(3-.SIGMA.) O.sub.x F.sub.y, where x+2y.congruent.4, where y is an amount such that F.ltoreq.2 wt. % of the compound, and where M.sub.1, M.sub.2, and M.sub.i each represent metal values other than Co. Thus the cobalt oxide spinel may be a single-metal spinel, a bimetal spinel, a trimetal spinel, or a polymetal spinel.

REFERENCES:
patent: 4073873 (1978-02-01), Caldwell
patent: 4110251 (1978-08-01), Lauder
patent: 4402924 (1983-09-01), McVicker et al.
Portier, Comptes Rendus, Sec. C, vol. 270, (Jun. 1970), pp. 2142-2145.

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