Geogenic Hydrogen E-PAPER Policy Paper Geogenic Hydrogen – a Contribution to the Energy Transition? BY STEFAN CRAMER A publication edited by the Heinrich Böll Foundation, October 2024 Geogenic Hydrogen – a Contribution to the Energy Transition? By Stefan Cramer Contents Foreword 3 Geogenic Hydrogen – a Contribution to the Energy Transition? 4 A New Gold Rush for Hydrogen 6 Less Enthusiasm in Germa. [...] Berlin, November 2024 Jörg Haas, Head of the Globalisation and Transformation Division at the Heinrich-Böll-Foundation Geogenic Hydrogen – a Contribution to the Energy Transition? 3/ 32 Geogenic Hydrogen – a Contribution to the Energy Transition? «White» or «geogenic» hydrogen does not play a prominent role in the current debate about hydrogen and its role in the energy transition as a possible ne. [...] In places where hydrogen is generated by the oxidation of iron-rich minerals, this opens even the possibility of stimulating the hydrogen production by injecting water into the under- ground. [...] Perhaps the biggest drawback for a meaningful contribution of geogenic hydrogen to the decarbonization of industry lies in the timing. [...] He worked as the head of the Africa Desk for the protestant funding agency Bread for the World and was a science advisor for the Southern African Faith Communities' Environmen- tal Institute (SAFCEI) in the South African Karoo on the environmental impact of fracking and uranium mining.
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Table of Contents
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- Foreword 3
- Geogenic Hydrogen – a Contributionto the Energy Transition? 4
- A New Gold Rush for Hydrogen 6
- Less Enthusiasm in Germany 12
- What is Geogenic Hydrogenand how is it generated 14
- Serpentinization: very widespread and well-studied 14
- Radiolysis: Radioactive Decay ofMinerals largely unknown 15
- Oxidation of Iron-bearing Minerals:well-studied but limited 15
- Microbial Decomposition of OrganicMatter: well-studied, but limited 15
- Thermogenesis: Possible in Coal Fields 16
- Mechanoradical Hydrogen Generation 16
- Potential Cost of Geogenic Hydrogen –and its Timing 18
- Environmental Considerations 19
- Potential for Co-Generation in EnhancedGeothermal Systems (EGS) 24
- Major Unknowns in Geogenic Hydrogen 26
- Summary 28
- Glossary 30
- Imprint 32
