Economically viable geological CO2 storage from direct air capture has critical threshold of 70% CO2 concentration

Abstract Direct Air Capture (DAC), a key component of Carbon Capture and Storage (CCS), has been widely studied. However, its large-scale deployment is hindered by the high energy cost of purifying captured CO2. Using impure CO2 can reduce energy consumption and overall costs, but it also lowers sto...

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Bibliographic Details
Main Authors: Le Zhang, Yunfeng Liang, Arata Kioka, Takeshi Tsuji
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Communications Engineering
Online Access:https://doi.org/10.1038/s44172-025-00468-5
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