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BRINEMINE – Extracting Lithium and Other Valuable Minerals from Geothermal Brines

Posted November 28, 2019

Enel is seeking novel methods to economically extract lithium and other minerals from brines produced in geothermal power plants.

Image credit: Ásgeir Eggertsson/Wikipedia/CC BY-SA 3.0

This is a Reduction-to-Practice Challenge that requires written documentation and experimental proof-of-concept data.


The global demand for lithium salts, the raw material for lithium-ion batteries, has increased significantly in recent years as a result of technological advancements in electronic devices and electric cars requiring high energy-density batteries. Traditional sources of lithium are quickly being depleted and alternative supplies must be explored.

One potential source is the fluid used in geothermal power plants, known as geothermal brine, but extraction of lithium from such fluids has proven challenging due to several factors including the presence of other salts in the brine (that can be valuable as well). Enel is looking for novel methods and technologies to economically extract lithium and other valuable minerals.

Submissions to this Challenge must be received by 11:59 PM (Central European Time) on December 31, 2019.

About the Seeker

Enel Green Power has shifted from a reactive to a more proactive approach to critical issues, aimed at identifying opportunities for Creating Shared Value together with local communities.

Enel Green Power believes that renewable energies are an important tool for promoting the competitiveness of the countries’ production industry and for guaranteeing the security of energy supplies: indeed, energy production from green sources contributes to creating greater energy autonomy and, at the same time, it helps protect the environment.

Source: InnoCentive

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