Recent advances in direct air capture by adsorption

X Zhu, W Xie, J Wu, Y Miao, C Xiang, C Chen… - Chemical Society …, 2022 - pubs.rsc.org
Significant progress has been made in direct air capture (DAC) in recent years. Evidence
suggests that the large-scale deployment of DAC by adsorption would be technically …

Industrial carbon dioxide capture and utilization: state of the art and future challenges

W Gao, S Liang, R Wang, Q Jiang, Y Zhang… - Chemical Society …, 2020 - pubs.rsc.org
Dramatically increased CO2 concentration from several point sources is perceived to cause
severe greenhouse effect towards the serious ongoing global warming with associated …

Synergistic Effect of Nitrogen Doping and Ultra-Microporosity on the Performance of Biomass and Microalgae-Derived Activated Carbons for CO2 Capture

S Balou, SE Babak, A Priye - ACS applied materials & interfaces, 2020 - ACS Publications
We report a unique naturally derived activated carbon with optimally incorporated nitrogen
functional groups and ultra-microporous structure to enable high CO2 adsorption capacity …

A Unified Approach to CO2–Amine Reaction Mechanisms

RB Said, JM Kolle, K Essalah, B Tangour, A Sayari - ACS omega, 2020 - ACS Publications
A unified CO2–amine reaction mechanism applicable to absorption in aqueous or
nonaqueous solutions and to adsorption on immobilized amines in the presence of both dry …

Evaluation of amine-based solid adsorbents for direct air capture: a critical review

D Panda, V Kulkarni, SK Singh - Reaction Chemistry & Engineering, 2023 - pubs.rsc.org
Direct air capture (DAC) emerges as a new technology that can contribute to “negative
carbon emission”. Recent progress in surface chemistry and material synthesis has allowed …

Biogas Upgrading via Cyclic CO2 Adsorption: Application of Highly Regenerable PEI@nano-Al2O3 Adsorbents with Anti-Urea Properties

X Shen, F Yan, C Li, F Qu, Y Wang… - … Science & Technology, 2021 - ACS Publications
Solid amine adsorbents are among the most promising CO2 adsorption technologies for
biogas upgrading due to their high selectivity toward CO2, low energy consumption, and …

[HTML][HTML] Understanding CO2 adsorption mechanisms in porous adsorbents: A solid-state NMR survey

D Pereira, R Fonseca, I Marin-Montesinos… - Current Opinion in …, 2023 - Elsevier
Reaching a historic high of 36.3 gigatonnes in 2021, global CO 2 emissions from fossil fuel
combustion continue to increase at an alarming rate. CO 2 removal technologies are part of …

Unravelling moisture-induced CO 2 chemisorption mechanisms in amine-modified sorbents at the molecular scale

M Sardo, R Afonso, J Juźków, M Pacheco… - Journal of Materials …, 2021 - pubs.rsc.org
This work entails a comprehensive solid-state NMR and computational study of the influence
of water and CO2 partial pressures on the CO2-adducts formed in amine-grafted silica …

Multifunctionality in an ion-exchanged porous metal–organic framework

SMF Vilela, JAR Navarro, P Barbosa… - Journal of the …, 2021 - ACS Publications
Porous robust materials are typically the primary selection of several industrial processes.
Many of these compounds are, however, not robust enough to be used as multifunctional …

[HTML][HTML] N-doped sponge-like biochar: A promising CO2 sorbent for CO₂/CH₄ and CO2/N₂ gas separation

MAO Lourenço, T Frade, M Bordonhos… - Chemical Engineering …, 2023 - Elsevier
Sponge-like biochar sorbents were prepared from the dissolution of chitosan followed by
freeze-drying methodology and pyrolysis at three different temperatures (400, 600, and 800° …