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  4. Freshwater Demand and Availability for Green Hydrogen Production
 
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Freshwater Demand and Availability for Green Hydrogen Production

Publikationstyp
Book Part
Date Issued
2024
Sprache
English
Author(s)
Rödl, Anne 
Umwelttechnik und Energiewirtschaft V-9  
TORE-URI
https://tore.tuhh.de/handle/11420/53179
Volume
Part F3771
Start Page
155
End Page
177
Citation
In: Powerfuels : Status and Prospects / edited by Nils Bullerdiek, Ulf Neuling, Martin Kaltschmitt 155-177: (2025)
Publisher DOI
10.1007/978-3-031-62411-7_7
Scopus ID
2-s2.0-85212292126
Publisher
Springer
ISSN
18653529
ISBN
978-3-031-62411-7
Is Part Of
10.1007/978-3-031-62411-7
Green hydrogen, produced from renewable energy sources (e.g., by electrolysis), is projected to play a pivotal role in the defossilization of a wide range of applications. Water is a fundamental component of this process, as hydrogen (H2) production via electrolysis requires water (H2O) as a raw material to be split into hydrogen and oxygen. However, freshwater is a scarce resource in many regions of the world, and densely populated areas are increasingly experiencing water scarcity. This trend is likely to be exacerbated by ongoing climate change and global population growth. From an economic perspective, sunny and dry regions of the planet seem particularly suitable for hydrogen production due to their abundant solar energy. However, water availability for hydrogen production depends on more than just physical supply; factors such as water quality, the regeneration of water reserves, and local social and environmental impacts of water withdrawal must also be considered. Therefore, this article examines the availability of water for green hydrogen production across various regions of the world.
Subjects
Freshwater demand | Green hydrogen | Hydrogen | Water demand | Water scarcity
DDC Class
333.7: Natural Resources, Energy and Environment
624: Civil Engineering, Environmental Engineering
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