Trends in lithium salt and acid-alkali recycling in the new energy materials industry

Lithium salt conversion, battery material leachate, and high-salinity mother liquor treatment are extending water treatment objectives to the recycling of lithium, acid and alkali, and salts.

Typical Materials

  • Lithium salt solutions such as lithium sulfate and lithium chloride.
  • Acidic leachate containing nickel, cobalt, manganese, and lithium.
  • High-salinity rinse water and process mother liquor from cathode material production.

Resource Recovery Directions

Projects can evaluate lithium salt concentration and conversion, acid and alkali reuse, metal enrichment, and water reuse, but target product purity and return-process conditions must be defined first.

Validation Focus

  • Impact of magnesium, calcium, and polyvalent metal impurities.
  • Selectivity, conversion rate, and target product concentration.
  • Fouling, scaling, and cleaning cycles during continuous operation.

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