Environmental impact of pioneering carbon capture, transport and storage chains
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Date
2022-11-15
Publication Type
Conference Paper
ETH Bibliography
yes
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Abstract
The transition to net-zero emissions requires large amounts of carbon dioxide to be captured and stored permanently in geological storage. To initiate the large-scale deployment of CO2 capture, transport, and storage (CCTS) value chains, immediate deployment of infrastructure is required. The environmental impacts of a value chain relying on ready-to-use technologies instead of optimal ones with long lead times, such as pipelines, is so far unclear. We assess the environmental impacts through the life cycle assessment of an exemplary CCTS value chain from Switzerland to Norway that only uses immediately available technologies. Even though the system relies on suboptimal technologies and is not optimized for a low climate impact, it shows the capability to effectively sequester CO2 without emitting more during its life cycle than is stored. Contrary to previous studies, the ready-to-use transport modes cause a significant share (56.3 %) of the total global warming impact (GWI) of the value chain. More than 73 % of the total GWI stems from the use of fossil fuels during the operation phase of the value chain.
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published
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Editor
Book title
Proceedings of the 16th Greenhouse Gas Control Technologies Conference (GHGT-16)
Journal / series
Volume
Pages / Article No.
4276719
Publisher
Elsevier
Event
16th Greenhouse Gas Control Technologies Conference (GHGT-16 2022)
Edition / version
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Software
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Date collected
Date created
Subject
CCTS; CCS; Life cycle assessment; Pioneering CCTS value chains; CCTS supply chain
Organisational unit
09452 - Sansavini, Giovanni / Sansavini, Giovanni
09696 - Bardow, André / Bardow, André
02668 - Inst. f. Energie- und Verfahrenstechnik / Inst. Energy and Process Engineering