LITHIUM EXTRACTION METHOD FOR LOW-GRADE DEEP BRINE

The disclosure provides a lithium extraction method for low-grade deep brine, and belongs to the technical field of lithium extraction from brine. According to the method, a resin adsorbent is adopted for pretreatment, and the lithium adsorption rate is 5 improved by 47% in cooperation with a mangan...

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Hauptverfasser:	HE JIAO, HONGSHU FANG, YONGPENG YING, DAO LIU, CHENGYU HUO, YUQING ZHAO, XIN XIONG, LIPING WU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM INORGANIC CHEMISTRY METALLURGY
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Beschreibung
Zusammenfassung:	The disclosure provides a lithium extraction method for low-grade deep brine, and belongs to the technical field of lithium extraction from brine. According to the method, a resin adsorbent is adopted for pretreatment, and the lithium adsorption rate is 5 improved by 47% in cooperation with a manganese-based lithium adsorbent; and the resin adsorption is used for pretreatment, steps are short, materials are few, a large amount of gypsum is not generated, lithium extraction process is simple and easy to operate, and production cost is reduced. 10 (+ Fig. l)