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Lithium extraction (1 reply)

5 months ago
gallala 5 months ago

What the adopted method used for lithium extraction from brine deposit?

5 months ago
David 5 months ago
1 like by gallala

Hello Mr. Gallala, and welcome back.

A method for precipitating lithium from the brines was provided by one of the contract studies. The method employed addition of-aqueous AlCl3 and pH adjustment to precipitate mixed Li-AI hydrous oxides. The contract was limited to lithium precipitation and did not treat the precipitated lithium. A study of lithium recovery from Dead Sea brines also used aqueous AICl3 addition to precipitate lithium and solvent extraction with alcohols to recover the lithium. Since the alcohol solvent extraction method used for Dead Sea brines was inefficient owing to low distribution coefficients and high aqueous solubility of the extractants, a study was initiated to devise improved methods for recovering a LiCl product. This report presents the results of the study and a suggested flowsheet for lithium recovery from a geothermal brine.

Lithium precipitation studies used brine being sent to the injection well of a power generation test facility in the Imperial Valley. The production well was located near the southern end of the Salton Sea (fig. 1) and drew brine from the Niland Reservoir. The brine was concentrated by removing 25 to 33 pet of its mass as steam in the power generation facility and had the analysis shown in table 1. All other cations were present
at concentrations of less than 50 mg/L.

See the last report from the Bureau of Mines at the bottom of https://www.911metallurgist.com/blog/froth-flotation-spodumene-processing-lithium-extraction

I hope this helps.

Come back soon...

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