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SEPARATION OF LITHIUM FROM BRINES

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SEPARATION OF LITHIUM FROM BRINES ( separation-lithium-from-brines )

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Table 3.49 shows the amount of ions adsorbed from real concentrated brine in Run 13, the amount of ions swept from the column in Run 19 through Run 21 by demineralized water and eluted amount of ions in Run 21 by 0.5 M HCl. The trend of the overall process is very similar to the case with artificial brine solution. The mass balance holds for lithium and shows that only 3.3 % of lithium ions were left in the column and 78 % of lithium ions adsorbed by the column was eluted by 0.5 M hydrochloric acid. In order to evaluate the effectiveness of the overall process (feeding-sweeping-eluting), the concentration of the real concentrated brine and the elution solution are compared in Table 3.50, which shows high selectivity towards lithium similar to the process with artificial brine feed. Table 3.50 The comparison of the real concentrated brine and elution solution composition after sweeping by deionized water The composition Real concentrated brine conc. Elution solution conc. Change of concentration Li (ppm) 1.25 12 Increased by 10 folds Na (ppm) 76750 69.7 Decreased by 1101 folds K (ppm) 11023 80 Decreased by 138 folds Mg (ppm) 21000 208 Decreased by 101 folds 3.4.4.3.2 Sweeping of the column with acidic water at pH 6.1 After Run 13, the column was washed with acidic water at pH 6.1 in this case. The sweeping process was applied in three consecutive runs with 1 L acidic solution in each. The amount of ions adsorbed, swept and eluted is given in Table 3.51. 119

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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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