Selective extraction of cobalt(II) from aqueous solutions with p

Details Selective extraction of cobalt(II) from aqueous solutions with p Selective extraction of cobalt(II) from aqueous solutions with p

1981-05-14

1982-10-12

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

260439R, 260439CY, C01G 5700

Patent

active

043538835

ABSTRACT:
Cobalt(II)-, nickel(II)-bearing aqueous solutions may be treated with an extractant comprising an organic-soluble phosphinic acid, or a salt thereof, to separate the cobalt(II) from the aqueous solution. Typical extraction techniques compatible with the instant process include liquid- liquid extraction employing either mixer settlers or columns, packed beds of supported extractants as in ion exchange, liquid membrane extraction and selective supported membrane extraction.

REFERENCES:
patent: 3931196 (1976-06-01), Swan
patent: 3960762 (1976-06-01), Kroebel
patent: 3966569 (1976-06-01), Reinhardt
patent: 4051230 (1977-09-01), Miyauchi
patent: 4058585 (1977-11-01), MacKay
patent: 4196076 (1980-04-01), Fujimoto
patent: 4268395 (1981-05-01), Stewart
Peppard, J. Inorg. Nucl. Chem. (1959), vol. 12, pp. 60-70.
Blake, Proc. Int. Conf. on Peaceful Uses of Atomic Energy (1958), vol. 28, pp. 289-298.

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