SEPARATION OF LITHIUM FROM BRINES

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ABSTRACT SEPARATION OF LITHIUM FROM BRINES Erdoğan, Barış Ph.D., Department of Chemical Engineering Supervisor: Prof. Dr. H. Önder Özbelge Co-supervisor: Assoc. Prof. Dr. Yusuf Uludağ February 2015, 184 pages Lithium is one of the valuable and promising metals having extensive potential use in long lasting rechargeable batteries in automotive and electronics industry. Regarding scarcity of world lithium reserves, the most efficient method must be utilized in lithium separation and purification process. The scope of this study is to increase the efficiency of lithium separation by liquid-liquid extraction and adsorption methods with various materials synthesized throughout the study. In liquid-liquid extraction method, N-alkyl formamides (hexyl formamide, octyl formamide, dibutyl formamide, dihexyl formamide) were synthesized and lithium separation performances were evaluated. Hexyl formamide was found to have a distribution coefficient of 0.14 for LiCl in dilute concentrations at 25 oC which is the largest value cited in the literature for a single solvent so far. v

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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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