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Geothermal Thermoelectric Generation (G-TEG) with Integrated Temperature Driven Membrane Distillation and Novel Manganese Oxide for Lithium Extraction Final Report

Published by Southern Research Institute | Department of Energy | Metadata Last Checked: January 27, 2026 | Last Modified: 2018-06-01T21:32:51Z
This project aims to develop an innovative Geothermal ThermoElectric Generation (G-TEG) system specially designed to both generate electricity and extract high-value lithium (Li) from low-temperature geothermal brines. The process combined five modular technologies including silica removal, nanofiltration (NF), membrane distillation (MD), Mn-oxide sorbent for Li recovery, and TEG. This project provides a proof of concept for each of these technologies. This is the final report from the project. It includes corrections and the final data. The final report supersedes all previous submissions.

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