Selective Recovery of Lithium from Geothermal Brines

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the operating expenses (OPEX) for the large-scale production facilities. The cost of sorbent was estimated on the process successfully demonstrated at the lab-scale and based on production-scale efficiency. Table 6 below summarizes the estimated CAPEX and OPEX of a 20,000-ton-per-year plant for a brine containing 400 mg/L of lithium. Table 6. Project Costs Bare equipment cost CAPEX OPEX Revenue @ $12,000/ton lithium carbonate equivalent (LCE) Source: SRI International $8,5 M $52.3 M $76.9 M $240 M Costs 20,000 MTA SRI’s estimated cost of production of lithium carbonate is less than $4,000 per ton and therefore competitive with that of traditional processes such as mining and evaporation. (Besseling E. 2018). The estimated payback of SRI’s process is less than one year, thus more favorable than mining or evaporation whose CAPEX is typically several hundred million dollars. Based on available online information, ExSorbtion, Inc. made an initial contact with the project’s principal investigator, and a collaboration between the two companies was established. SRI exclusively licensed the technology to ExSorbtion, Inc., which is currently pursuing commercial development of the technology. The company intends to further develop this technology with the demonstration of a skid-mounted system for the extraction of lithium from various brine sources, including geothermal brines. 24

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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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