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Philanthropy Brief: Direct Air Capture (DAC) [PDF]

Direct Air Capture (DAC) filters carbon dioxide directly from ambient air and stores it permanently underground. It is an emerging technology with high costs but also long-term potential for durable removals.This factsheet offers funders an overview of ...
Active Philanthropy
core   +4 more sources

Direct Air Capture (DAC) for Achieving Net-Zero CO₂ Emissions: Advances, Applications, and Challenges

Eng
Carbon dioxide (CO2), as the primary greenhouse gas, has significant impacts on global climate change, leading to severe and irreversible adverse consequences for ecosystems and human environments. To address the issue of excessive CO2 emissions, efforts
Guihe Li, Jia Yao
doaj   +3 more sources

Distributed direct air capture by carbon nanofiber air filters. [PDF]

Sci Adv
The rising atmospheric CO2 concentration is one of the biggest challenges human civilization faces. Direct air capture (DAC) that removes CO 2 from the atmosphere provides great potential in carbon neutralization.
Wu R, Delgado HE, Xie Y, Chen Y, Yan G, Luo E, Li Q, Fan Q, Han Y, Higueros GM, Ruthen A, Sui C, Suresh A, Mitzi DB, Liu C, Elgowainy A, Hsu PC.   +16 more
europepmc   +3 more sources

Graphene-doped membranes for direct air capture (m-DAC) of CO2

Carbon Capture Science & Technology
Rising atmospheric CO2 levels drive the urgent need for efficient capture technologies. Conventional methods such as amine-based absorption and solid desiccants are energy-intensive and costly.
Omnya Al-Yafiee, Priyanka Kumari, Christophe Castel, Ze-Xian Low, Lei Wang, Yichang Pan, Konstantinos Papadopoulos, Dionysios Vroulias, Theophilos Ioannides, George E. Romanos, Eric Favre, Georgios Karanikolos, Ludovic F. Dumée   +12 more
doaj   +2 more sources

Passive Direct Air Capture of Carbon Dioxide with an Alkaline Amino Acid Salt in Water-Based Paints [PDF]

Energies
The current study presents the first results of the passive capture of carbon dioxide from the air in aqueous sodium lysinate solutions at ambient conditions.
Godwin Ngwu, Humbul Suleman, Faizan Ahmad, Danial Qadir, Zufishan Shamair, Qazi Nasir, Muhammad Nawaz   +6 more
doaj   +4 more sources

Electrochemical direct air capture (EC-DAC) system using sodium fuel cell

Journal of CO2 Utilization
Herein, we develop electrochemical direct air capture (EC-DAC) system using molten Na fuel cell. The electrochemical reaction consists of Na oxidation and O2/CO2 reduction at the anode and cathode, respectively, and the coupled reaction generates the ...
Cheol-Hwan Shin, Sujin Hong, Yejin Han, Yangho Lee, Siyoung Na   +4 more
doaj   +2 more sources

The Open DAC 2023 Dataset and Challenges for Sorbent Discovery in Direct Air Capture

ACS Central Science
New methods for carbon dioxide removal are urgently needed to combat global climate change. Direct air capture (DAC) is an emerging technology to capture carbon dioxide directly from ambient air. Metal-organic frameworks (MOFs) have been widely studied as potentially customizable adsorbents for DAC.
Anuroop Sriram, Sihoon Choi, Xiaohan Yu, Logan M. Brabson, Abhishek Das, Zachary Ulissi, Matt Uyttendaele, Andrew J. Medford, David S. Sholl   +8 more
doaj   +3 more sources

From Lab to Fab: Development and Deployment of Direct Air Capture of CO₂

Energies, 2023
Direct Air Capture (DAC) is a promising technology to fight climate change by capturing carbon dioxide (CO2) from the air. For DAC to be a negative emissions technology, the captured CO2 must be removed permanently, but can also be used as a net-zero ...
Vahid Barahimi, Monica Ho, Eric Croiset
doaj   +1 more source

Direct air capture of CO2: from insights into the current and emerging approaches to future opportunities

Frontiers in Sustainability, 2023
The rapid development of direct air capture (DAC) technologies has become critical in order to remove CO2 from the atmosphere and limit global warming to a maximum of 1.5°C.
Muhammad Zeeshan, Michelle K. Kidder, Emily Pentzer, Emily Pentzer, Rachel B. Getman, Burcu Gurkan   +5 more
doaj   +1 more source

Electrochemical direct air capture of CO2 using neutral red as reversible redox-active material

Nature Communications, 2023
Electrochemical direct air capture (DAC) of CO2 requires air-stable redox-active materials. Here, the authors present an electrochemical DAC using air-stable redox couple of neutral red with a minimum energy requirement of 65 kJe/molCO2.
Hyowon Seo, T. Alan Hatton
doaj   +1 more source