Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-04-08
1977-12-06
Evans, Joseph E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
252414, 252428, 423138, C07C 2916
Patent
active
040616878
ABSTRACT:
Method for the recovery of cobalt as cobalt hydrocarbonyl from a water mono- or diacid, cobalt salt solution which is obtained from the cobalt removal from oxo alcohols, preferably after the addition of higher olefins. These solutions are treated with carbon monoxide and hydrogen under high pressure and high temperature in the presence of an organic solvent wherein the water, mono- or diacid cobalt solutions are treated with carbon monoxide and hydrogen in the presence of butanol, in which the butanol to solution ratio ranges from 1:2 through 1:5 at a temperature of between about 140.degree. C to 200.degree. C and a pressure of between about 100 and 300 atmospheres in a homogenous phase followed by cooling between about 0.degree. C and 110.degree. C and separation of the butanol-cobalt hydrocarbonyl phase from the water phase.
REFERENCES:
patent: 2564130 (1951-08-01), Schreyer
patent: 2816933 (1957-12-01), Mertzweiller
patent: 3014970 (1961-12-01), Johnson et al.
Lange, "Handbook of Chemistry", 10th Ed. (1961), pp. 440-441.
Luder et al., "General Chemistry", (1959), p. 160.
Kaufhold Manfred
Wulf Horst-Dieter
Chemische Werke Huls Aktiengesellschaft
Evans Joseph E.
Wells Gilbert L.
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