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Recovery of Lithium from Geothermal Brines

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Recovery of Lithium from Geothermal Brines ( recovery-lithium-from-geothermal-brines )

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Energies 2021, 14, x FOR PEER REVIEW 8 of 74 brine samples with lithium concentrations above 20 ppm were from the Salton Sea KGRA Energies 2021, 14, 6805 in the Imperial Valley of California [23,24]. Using data from previous studies, we estimate 8 of 72 average concentrations of lithium in Salton Sea post-flash geothermal brines to be approximately 200 mg/L (Table 2). Figure 7. Distribution of geothermal brine samples with measured Li concentrations [23,24]. Geothermal brines are Figure 7. Distribution of geothermal brine samples with measured Li concentrations [23,24]. Geothermal brines are expected expected to be a significant source of domestic lithium production in the future. to be a significant source of domestic lithium production in the future. Table 2. Salton Sea geothermal brine chemical composition. Average calculated values reported in Table 2. Salton Sea geothermal brine chemical composition. Average calculated values reported in the literature representing post-flash geothermal brines [27,28,29,30,31,32,33,34,35]. the literature representing post-flash geothermal brines [27–35]. Element or Analyte ElCemlentorAnalyte Na Mean (mg/L) SD %RSD N NaCa 11 12 12 13 Ca 3050 13 13 23 13 K KFe 14,467 3370 1347 3370 653 23 48 48 13 Mean(mg/L) 142,015 SD 18,853 %RS1D3 Fe 1347 653 Mn 1201 393 13 13 33 13 18,853 25,684 5578 3050 13 13 13 N 11 13 Cl 142,015 49,249 25,684 14,467 49,249 5578 Mn 1201 393 33 13 Zn 463 169 36 12 Zn 463 169 36 12 SrSr 434 BB 298 Ba 205 LiBa 202 Rb 110 434 67 67 15 15 12 12 Li 205 39 57 20 28 52 474 Mg 109 202 39 20 13 Rb 192 176 13 Br 91 28.0 31 9 I Pb F Cs 17 84 3.6 19 2123 12 3 15 200.62.9415 43 As 9.0 Cu 4.1 Al 2.4 Cd 1.9 Ag 1.6 SiO2 342 NH4 311 SO4 58.6 TDS 24,300 3.6 40 3 2.3 57 10 1.2 51 5 0.5 27 7 0.7 43 3 133 39 7 111 36 8 37.3 64 9 2800 12 13 298 69 69 23 23 57 28 11 110 52 47 4 Br 91 28.0 31 9 Mg 109 192 176 13 12 Cs 20 2.9 15 4 Pb 84 19 23 11 11 11 13 SD: Standard deviation; %RSD: percent relative standard deviation; N: number of measurements included in calculation.

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Product and Development Focus for Infinity Turbine

ORC Waste Heat Turbine and ORC System Build Plans: All turbine plans are $10,000 each. This allows you to build a system and then consider licensing for production after you have completed and tested a unit.

Redox Flow Battery Technology: With the advent of the new USA tax credits for producing and selling batteries ($35/kW) we are focussing on a simple flow battery using shipping containers as the modular electrolyte storage units with tax credits up to $140,000 per system.

Our main focus is on the salt battery. This battery can be used for both thermal and electrical storage applications.

We call it the Cogeneration Battery or Cogen Battery.

One project is converting salt (brine) based water conditioners to simultaneously produce power.

In addition, there are many opportunities to extract Lithium from brine (salt lakes, groundwater, and producer water).

Salt water or brine are huge sources for lithium. Most of the worlds lithium is acquired from a brine source. It's even in seawater in a low concentration. Brine is also a byproduct of huge powerplants, which can now use that as an electrolyte and a huge flow battery (which allows storage at the source).

We welcome any business and equipment inquiries, as well as licensing our turbines for manufacturing.

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