Lithium Extraction from Salt Lakes


The extraction of lithium from salt lake brine is often hindered by a high magnesium-to-lithium ratio, which demands extremely high separation accuracy in NF membranes. Our company's high-precision NF membranes for lithium extraction have undergone testing by a reputable engineering company, demonstrating a similarly strong performance to that of internationally-renowned brand products, providing a competitive advantage.


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  • Treatment Objective: Separation of Mg2+ and Li+, Li+enrichment

  • Product Model: LNF-8040

  • Feed Water Quality: C(Mg2+)= 3.67 g/L , C(Li+=)= 0.06 g/L, Mg2+: Li+=67:1

  • Effluent Quality: Mg2+: Li+= 4:1

  • Seperation Performance: R(Mg2+)>98%R(Li+) -20%- -15%

  • Operating Pressure: 10 bar

  • Operating Temperature: 21


Performance Comparison with Competitors