Method for recovering lithium from sea water

Details Method for recovering lithium from sea water Method for recovering lithium from sea water

1978-09-22

1981-01-06

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

423157, C22B 2612

Patent

active

042436419

ABSTRACT:
A process for recovering lithium from sea water in which sea water is repeatedly concentrated at specific gravities between 1.13 and 1.24 to thereby separate salts including common salt from the concentrate, removing the salts which separate from the concentrate, diluting the final concentrate so obtained with water, subjecting the diluted concentrate containing lithium and magnesium to a resin exchange treatment in which lithium and magnesium are absorbed on the resin, and treating the resin with an aqueous hydrochloric acid solution to elute lithium from said resin.

REFERENCES:
patent: 2897051 (1959-07-01), McIlhenny et al.
patent: 3342730 (1967-09-01), Mihara et al.
patent: 3618589 (1971-11-01), Tavani
Kunin et al., Ion Exchange Resins, John Wiley & Sons, Inc., New York (1950), pp. 22-25.
Riegel, Industrial Chemistry, Reinhold Publishing Corporation, Fifth Edition (1949), pp. 56-58.

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