Entries for Geothermal Lithium Extraction Prize

A composite extractor is invented having magnetized NanoFilter, Graphene Oxide and Zeolite for separating lithium from salar brines.

Selective bipolar electrodialysis can enable direct production of LiOH using cation-selective mixed-matrix cation exchange membranes.

We propose an innovative technology for direct production of lithium hydroxide from geothermal brine, using electricity as the sole input.

Microbial biomass has been shown to concentrate lithium via "bisorption". We will leverage this to manufacture a low-cost lithium adsorbent.

An electrochemical process to achieve lithium extraction from brine and conversion to lithium hydroxide in the same electrochemical cell

Using commercially available membrane substrates to produce an energy-efficient, cost-effective and easy-to-scale module for DLE.

Concentration countered electrodialysis for highly selective and energy efficient extraction of lithium

Hybrid Osmotic-electrokinetic Membrane extraction uses membranes to dilute feed, selectively separate lithium, and reconcentrate products.

Adsorption of lithium Ions by applying an active ingredient to ceramic-like beads. Is low cost, low energy, no pretreatment & zero waste.

Production of Li2CO3 and LiOH by 2-stage thermal and cyclonic desalination of brine, using low-grade heat, and no environmental impact

An intensified membrane distillation crystallization-nanofiltration (iMDC-NF) approach is proposed for direct lithium extraction (DLE).

The innovative process we have developed recovers high quality lithium and produces lithium hydroxide directly while regenerating reagents.

We propose a carbon neutral, electrochemical system to convert geothermal lithium into battery-grade lithium hydroxide.

Lithium enrichment by ultrafast filtration using ion-selective nanoporous atomically thin membranes

DLE-to-Electrolysis (DLE-to-ELE) A holistic innovation converting geothermal plant discharge to LiOH•H2O addressing 5 technical challenges.

Through nanofiltration and ion exchange, lithium in brine is recovered as high-purity crystals of lithium carbonate