Process for the simultaneous extraction of metal values from man

Details Process for the simultaneous extraction of metal values from man Process for the simultaneous extraction of metal values from man

1976-10-18

1978-06-06

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 32, 423 50, 423139, 423143, 423144, 423150, 423DIG4, C01G 314, C01G 5112, C01G 5312

Patent

active

040936988

ABSTRACT:
This invention provides a leaching procedure for manganese nodules for obtaining directly from a leaching stage all of the metal values, including manganese, utilizing an ammoniacal aqueous solution. The manganese nodules are reduced and then leached utilizing an ammoniated solution of an ammonium salt comprising at least about 150 grams per liter of ammonium ion and at least 0.83 Normal in the anion, other than hydroxyl. The resultant leach solution comprises the dissolved manganese, nickel, cobalt and copper values from the nodule ore, and can subsequently be treated, as by liquid ion exchange, to separate out the individual metal values.

REFERENCES:
patent: 2621107 (1952-12-01), Dean et al.
patent: 2724645 (1955-11-01), Stringham
patent: 2775508 (1956-12-01), Thomsen
patent: 2879137 (1959-03-01), Bare et al.
patent: 3471285 (1969-10-01), Rolf
patent: 3734715 (1973-05-01), Redman
patent: 3751554 (1973-08-01), Bare et al.
patent: 3761250 (1973-09-01), Weir et al.
patent: 3907966 (1975-09-01), Skarbo
patent: 3988224 (1976-10-01), Barriere et al.

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