Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1980-09-22
1982-12-07
Lewis, Michael L.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 82, 241 14, 241 15, 241 20, 241 21, 241 24, C22B 100, C22C 3808, B02C 1900, B07B 100
Patent
active
043625584
ABSTRACT:
A process of upgrading garnieritic ores, oxidized nickelifer ores of lateritic origin which includes subjecting the ore to controlled attrition and classifying particles so formed according to their size, those having a dimension smaller than a predetermined value being recovered.
REFERENCES:
patent: 3582005 (1971-06-01), Archibald et al.
patent: 3711032 (1973-01-01), Weston
patent: 3775090 (1973-11-01), O'Kane et al.
patent: 3860689 (1975-01-01), Sefton et al.
patent: 4175790 (1979-11-01), Predali
Chemical Abstracts, vol. 80, No. 39503t, p. 155, A.C.S. (1974).
Boldt, J. R.; The Winning of Nickel D. V. Nostrand, Inc., New Jersey, p. 388 (1967)
Queneau, P. E., "The Recovery of Nickel from Its Ores", Journal of Metals pp. 44-45 (1970).
Ammou-Chokroum, "Mineralurgie du Nickel-Prospective Industrie Minerale", (2/76) pp. 57-63.
Translation of French Patent No. 2,320781 by Brian Clive Diamond, London, U.K., pp. 1-21.
Evans, D. J. I. et al.; International Latevite Symposium Soc. of Min. Eng. of AIMMPE, pp. 517-519 (1979).
Desnoes Andre
Predali Jean-Jacques
Ranchin Guy
Lewis Michael L.
Societe Metallurgique le Nickel-SLN
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