Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Treating with a liquid or treating in a liquid phase,...
Patent
1989-11-30
1990-09-04
Konopka, Paul E.
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Treating with a liquid or treating in a liquid phase,...
423139, 423140, 423143, 502 26, 502 27, 562518, B11J 3140, B01J 3868, C10G 5104, C10G 5106
Patent
active
049544667
ABSTRACT:
A process is provided for recovering cobalt values from a cobalt-N-acetyliminodiacetic acid complex by dissolving the complex in an aqueous solution of a strong acidic solution, extracting the acid solution with a hydrocarbon solvent containing a trialkylamine to transfer the cobalt from the aqueous solution into the hydrocarbon solvent, stripping the cobalt from the hydrocarbon solvent with water, and precipitating the cobalt from the stripping water by using a strong alkali.
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patent: 4175109 (1979-11-01), Kim
patent: 4432949 (1984-02-01), Hubred
patent: 4533500 (1985-08-01), Chauvin e al.
patent: 4567284 (1986-01-01), Monzyk et al.
patent: 4882131 (1989-11-01), Powers et al.
Konopka Paul E.
Monsanto Company
Shearin Frank D.
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