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Lithium content in seawater
The global seawater contains nearly 250 billion tons of lithium, but the concentration of lithium ion in seawater is extremely low, which is only one thousandth of that of Australian spodumene and one thousandth of that of Chilean Atacama Salt Lake.

Therefore, extracting lithium from seawater not only requires high selectivity and Qualcomm content of lithium extraction materials, but also poses great challenges to its equipment. It is believed that with the innovative application of technology and technology in the future, it will be possible to create a large-scale seawater extraction of lithium.

At present, the research on extracting lithium from seawater mainly adopts solvent extraction and adsorption. Because the concentration of lithium in seawater is only 0. 1.7 mg/L, adsorption method is considered as the most promising method to extract lithium from seawater with low lithium concentration.