Schlagwort: DACCS

Peer-reviewed Publications

Xu et al. (2025): Developing a preliminary site selection method for direct air capture and CO₂ storage technology with a case study in the North Germany

Yifan Xu, Mrityunjay Singh, Cornelia Schmidt-Hattenberger, Márton Pál Farkas, Wolfgang Weinzierl, Tomas Fernandez-Steeger, IN: International Journal of Greenhouse Gas Control, https://doi.org/10.1016/j.ijggc.2025.104392

Achieving global net-zero emission targets requires substantial CO₂ removal, with Direct Air Capture and Carbon Storage (DACCS) emerging as a pivotal technology. Addressing a knowledge gap in systematically selecting optimal geological sites for CO₂ storage for DACCS, this study introduces a novel and adaptable multicriteria site selection and ranking methodology. By coupling the Analytical Hierarchy Process (AHP) with multicriteria decision-making, the authors quantitatively evaluate and prioritize potential storage sites, providing a scalable framework applicable to sedimentary basins worldwide. As a case study, they compiled and standardized publicly available geological data to build a comprehensive underground storage database for the North German Basin (NGB), categorizing geological features into five key criteria: storage capacity, injectivity, trapping mechanism, containment, and cost. Representative parameters under each criterion were harmonized for data resolution and quality.

LINK

#
Peer-reviewed Publications

Ali et al. (2025): State-of-the-Art Membrane Solutions for Direct Air Carbon Capture (DACC): An Overview on the Current Status and Future Directions

Syed Awais Ali, Syed Nasir Shah, Malik Abdul Karim, Syed Abdul Moiz Hashmi, Farooq Ahmad, Khairul Habib, Abdul Sami and Muhammad Abdullah, IN: ACS Energy & Fuels, https.://doi.org/10.1021/acs.energyfuels.5c00793

he UK Parliament’s climate change committee suggests that direct air carbon capture (DACC) could remove 1 billion tons of CO₂ globally. The same report raises concerns over the inflated costs of CO₂ removal associated with DACC (£250–400/ton of CO₂). Indeed, the highly diluted concentration of CO₂ in air (0.04%) imposes a high energy penalty and increases processing costs. The current state-of-the-art DACC involves an adsorption process that uses an amine adsorbent to remove CO₂ from the air. The literature review reveals very few investigations reported on membranes for DACC until recently. Theoretically, membrane-based CO₂ removal presents several advantages over conventional sorbent methods, including higher energy efficiency and lower operational costs.

LINK

#
Peer-reviewed Publications

Prats-Salvado et al. (2025): Powering Direct Air Capture: Overview of Existing Concepts and the Overlooked Role of Concentrated Solar Thermal Technologies

Enric Prats-Salvado, Nathalie Monnerie, Christian Sattler IN: Current Sustainable/Renewable Energy Reports, https://doi.org/10.1007/s40518-025-00255-y

Identifying energy sources for DAC that are both scalable and low in carbon intensity remains a major challenge for widespread deployment. Promising options have been identified, such as nuclear and curtailable renewables, as well as a growing interest in power-to-heat and fully electric solutions, and a research gap in the potential of CST technologies to power DAC systems.

LINK 

#
Peer-reviewed Publications

Huang et al. (2025): Phase Change-Mediated Capture of Carbon Dioxide from Air with a Molecular Triamine Network Solid

Adrian J. Huang, Ankur K. Gupta, Henry Z. H. Jiang, Hao Zhuang, Malia B. Wenny Ryan A. Klein, Hyunchul Kwon, Katie R. Meihaus, Hiroyasu Furukawa, Craig M. Brown, Jeffrey A. Reimer, Wibe A. de Jong, Jeffrey R. Long IN: Journal of the American Chemical Society, https://doi.org/10.1021/jacs.4c18643

The recent discovery that diamine-appended metal–organic frameworks can exhibit cooperative CO2 uptake via the formation of ammonium carbamate chains begs the question of whether simple organic polyamine molecules could be designed to achieve a similar switch-like behavior with even higher separation capacities. Here, the authors present a solid molecular triamine, 1,3,5-tris(aminomethyl)benzene (TriH), that rapidly captures large quantities of CO2 upon exposure to humid air to form the porous, crystalline, ammonium carbamate network solid TriH(CO2)1.5·xH2O (TriHCO2). The phase transition behavior of TriH converting to TriHCO2 was studied through powder and single-crystal X-ray diffraction analysis, and additional spectroscopic techniques further verified the formation of ammonium carbamate species upon exposing TriH to humid air.

LINK

#
Peer-reviewed Publications

Sun et al. (2025): Efficient and stable direct air capture with amine-functionalized MIL-100(Cr) metal-organic framework

Mengru Sun, Meng Zhao, Leyu Zhao, Qiang Wang, Jinzhu Ma, Hong He  IN: Environmental Functional Materials, https://doi.org/10.1016/j.efmat.2025.02.003

Amine-functionalized MOFs significantly enhance CO2 adsorption, yet most studies focus on adsorption capacity, with limited research on the impacts of water vapor and oxidative stability in practical DAC applications. Herein, MIL-100(Cr) was modified with polyethyleneimine (PEI), tetraethylenepentamine (TEPA), and diethanolamine (DEA) via impregnation, and their CO2 capture performance under DAC conditions was systematically evaluated, including adsorption capacity, cyclic stability, water resistance, and oxidative stability.

LINK

#
Peer-reviewed Publications

Zheng et al. (2025): In-situ amine modification of porous polymer/silica spiral wound module for CO2 capture from ambient air

Rongrong Zheng, Mengyao Jiang, Yanfang Fan IN: Chemical Engineering Journal, https://doi.org/10.1016/j.cej.2025.161078

Herein, the authors demonstrate a flexible membrane solid amine adsorbent based on cellulose acetate/silica composite supports that is fabricated into a spiral wound module functioning as a gas–solid contactor, presenting reduced pressure drop and comparable adsorption capacities with powdery solid amine materials. First, the phase inversion method is utilized to prepare cellulose acetate/silica membrane support, where the doping amount of silic varies from 60 wt% to 80 wt%. After assembling the support into a spiral module, poly (ethyleneimine) (PEI) is loaded in the module via an in-situ amine impregnation method, that the amine solution flows into the module which could reduce the support mass loss encountered in the conventional static impregnation method.

LINK

#
Peer-reviewed Publications

Jung et al. (2025): Exploring the impact of hourly variability of air condition on the efficiency of direct air capture

Howoun Jung, Kyunam Kim, Jinhong Jeong, Aqil Jamal, Dong-Yeun Koh, Jay H. Lee IN: Chemical Engineering Journal, https://doi.org/10.1016/j.cej.2025.160840

This study delves into the impact of such environmental variations, focusing specifically on the energy consumption and productivity of DAC processes under daily and hourly fluctuating air conditions. Dynamic simulations coupled with the optimization of operating parameters were employed to investigate these effects. Bayesian optimization was utilized to refine the parameters for optimal DAC performance efficiently. 

LINK

#
Peer-reviewed Publications

Verma et al. (2025): Modeling the Impact of Direct Air Capture on Forest Biomass and Population Dynamics

Priya Verma, Jasmeet Kaur, Maninder Singh Arora, Muhammad Mubashar Dogar, Sanju Purohit IN: Earth Systems and Environment, https://doi.org/10.1007/s41748-025-00599-x

This study presents a novel mathematical model that integrates DAC with human population, forest biomass, atmospheric temperature and concentration of CO2. The model system has four non-negative equilibria, out of which, three are boundary equilibria and one is biologically feasible positive equilibrium. The stability of the system’s positive equilibrium is established through Lyapunov’s direct method. The stability conditions demonstrate that CO2 depletion rate via DAC has a stabilizing effect on the climate system, whereas the anthropogenic emission rate has destabilizing impact.

LINK

#
Peer-reviewed Publications

Eke et al. (2025): A comprehensive review of life cycle assessments of direct air capture and carbon dioxide storage

Victor Eke, Tanay Sahu, Kulbir Kaur Ghuman, Marina Freire-Gormaly, Paul G. O’Brien IN: Sustainable Production and Consumption, https://doi.org/10.1016/j.spc.2025.02.017

This review critically assesses Life Cycle Assessments (LCAs) of Direct Air Capture and Carbon Storage (DACCS) technologies, emphasizing environmental impact and effectiveness of these technologies. As global efforts to mitigate CO₂ emissions intensify, DACCS is increasingly viewed as a promising solution, yet its broader environmental implications require careful consideration. The review synthesizes findings from various LCA studies, revealing substantial variability in life cycle efficiency and environmental impacts across different DACCS systems.

LINK

#
Peer-reviewed Publications

Arwa et al. (2025): Impact of direct air capture process flexibility and response to ambient conditions in net-zero transition of the power grid

Erick O. Arwa, Kristen R. Schell IN: Applied Energy, https://doi.org/10.1016/j.apenergy.2025.125549

However, existing capacity expansion studies that model DAC assume that it has a constant capture rate, ignoring the ambient environmental conditions that are known to affect the DAC capture rate as well as geographical location. Furthermore, there are currently no studies that endogenously model DAC flexibility, especially the value of load-shifting in such a large-scale industrial process in capacity expansion optimization. This study develops a capacity expansion optimization model that integrates more realistic data on DAC’s response to ambient environmental conditions as well as DAC process flexibility.

LINK

#