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Life Cycle Assessment of Direct Air Carbon Capture and Storage with Low-Carbon Energy Sources

submitted on 31.03.2021, 13:09 and posted on 01.04.2021, 06:07 by Tom Terlouw, Karin Treyer, christian bauer, Marco Mazzotti
Prospective energy scenarios usually rely on Carbon Dioxide Removal (CDR) technologies to achieve the climate goals of the Paris Agreement. CDR technologies aim at removing CO2 from the atmosphere in a permanent way. However, the implementation of CDR technologies typically comes along with unintended environmental side-effects such as land transformation or water consumption. These need to be quantified before large-scale implementation of any CDR option by means of Life Cycle Assessment (LCA). Direct Air Carbon Capture and Storage (DACCS) is considered to be among the CDR technologies closest to large-scale implementation, since first pilot and demonstration units have been installed and interactions with the environment are less complex than for biomass related CDR options. However, only very few LCA studies - with limited scope - have been conducted so far to determine the overall life-cycle environmental performance of DACCS. We provide a comprehensive LCA of different low temperature DACCS configurations - pertaining to solid sorbent-based technology - including a global and prospective analysis.


ACT ELEGANCY, Project No 271498

ACT Grant Agreement No 691712

Swiss Federal Office of Energy

Kopernikus Project Ariadne (FKZ 03SFK5A)

PSI's ESI platform


Email Address of Submitting Author


Paul Scherrer Institute & ETH Zurich



ORCID For Submitting Author


Declaration of Conflict of Interest

There are no conflicts to declare.

Version Notes

Submitted version.