Perspectives of co-extraction of geothermal heat with the critical raw materials lithium and copper from sedimentary basin fluids on the example of the North German Basin

Simona Regenspurg; Elisabeth Eiche; Katharina Alms; Ralph Bäßler; Guido Blöcher; Valentin Goldberg; Hannes Hofmann; Katrin Kieling; Christine Rösch; Lars Rüpke; Sylvia Sander; André Stechern; Katharina Sielemann; Philipp Weis

doi:10.1016/j.geothermics.2026.103726

May 26, 2026GeothermicsOpen Access

Perspectives of co-extraction of geothermal heat with the critical raw materials lithium and copper from sedimentary basin fluids on the example of the North German Basin

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Key Points

The aim is to evaluate the potential for co-extracting geothermal heat and critical raw materials like lithium and copper from sedimentary basin fluids.
Assessment of temperature and lithium concentration variations with depth in sedimentary basins.
Analysis of required fluid-specific technologies for effective CRM extraction.
Development of a holistic approach for optimizing CRM co-extraction.
Increased depths correlate with higher temperatures and lithium concentrations in sedimentary basin fluids.
Identification of a need for specialized technologies for efficient CRM and heat extraction.
Emphasis on the necessity for assessing the technical and economic feasibility of co-extraction methods.

Implication

Explores co-extraction of heat and critical raw materials in sedimentary basins, highlighting feasibility needs.

Abstract

• Sedimentary basins fluids offer great potential for co-extraction of heat and CRM. • With increasing depth, temperatures and Li concentrations increase. • Fluid specific technologies for CRM extraction need to be developed. • A holistic approach for CRM co-extraction needed. • Need to fully prove the technical and economic feasibility of CRM and heat co-extraction.

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Cite This Study

Regenspurg et al. (2026) studied this question.

synapsesocial.com/papers/6a17dc653fad632b0f9d90fe https://doi.org/10.1016/j.geothermics.2026.103726

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Perspectives of co-extraction of geothermal heat with the critical raw materials lithium and copper from sedimentary basin fluids on the example of the North German Basin

Key Points

Implication

Abstract

Discussion

Cite This Study

Perspectives of co-extraction of geothermal heat with the critical raw materials lithium and copper from sedimentary basin fluids on the example of the North German Basin

Key Points

Implication

Abstract

Discussion

Cite This Study

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