An economic and greenhouse gas footprint assessment of international maritime transportation of hydrogen using liquid organic hydrogen carriers
Godinho, João; Hoefnagels, Ric; Braz, Catarina G.; Sousa, Ana M.; Granjo, José F.O.
(2023) Energy, volume 278, issue Part A, pp. 1 - 14
(Article)
Abstract
The supply, storage, and (international) transport of green hydrogen (H2) are essential for the decarbonization of the energy sector. The goal of this study was to assess the final cost-price and carbon footprint of imported green H2 in the market via maritime shipping of liquid organic hydrogen carriers (LOHCs), including
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dibenzyl toluene-perhydro-dibenzyltoluene (DBT-PDBT) and toluene-methylcyclohexane (TOL-MCH) systems. The study focused on logistic steps in intra-European supply chains in different scenarios of future production in Portugal and demand in the Netherlands and carbon tariffs between 2030 and 2050. The case study is based on a formally accepted agreement between Portugal and the Netherlands within the Strategic Forum on Important Projects of Common European Interest (IPCEI). Under the following assumptions, the results show that LOHCs are a viable technical-economic solution, with logistics costs from 2030 to 2050 varying between 0.30 and 0.37 €/kg-H2 for DBT-PDBT and 0.28–0.34 €/kg-H2 for TOL-MCH. The associated CO2 emissions of these international H2 supply chains are between 0.46 and 2.46 kg-CO2/GJ (LHV) and 0.55–2.95 kg-CO2/GJ (LHV) for DBT-PDBT and TOL-MCH, respectively.
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Keywords: Dibenzyltoluene, Green H, LOHC, Supply chain, Toluene, Civil and Structural Engineering, Modelling and Simulation, Renewable Energy, Sustainability and the Environment, Building and Construction, Fuel Technology, Energy Engineering and Power Technology, Pollution, Mechanical Engineering, General Energy, Management, Monitoring, Policy and Law, Industrial and Manufacturing Engineering, Electrical and Electronic Engineering
ISSN: 0360-5442
Publisher: Elsevier Limited
Note: Funding Information: The authors gratefully acknowledge the financial support from CERENA, Portugal (strategic project FCT-UIDB/UIBD/04028/2020 ), as well as the FCT: Foundation for Science and Technology, Portugal , for the financial support, through the Grant SFRH/BD/131005/2017 . Publisher Copyright: © 2023 The Authors
(Peer reviewed)