Nature – Zhang et al. (2025): Economically viable geological CO₂ storage from direct air capture has critical threshold of 70% CO₂ concentration
Le Zhang, Yunfeng Liang, Arata Kioka & Takeshi Tsuji, IN: Communications Engineering, https://doi.org/10.1038/s44172-025-00468-5
The large-scale deployment of Diract Air Capture (DAC) 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 storage efficiency. This work employs molecular dynamics simulations to examine storage efficiency by analyzing the impurity systems’ density across a wide temperature and pressure range.