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Article
Multidisciplinary Sciences
Kevin Maik Jablonka et al.
Summary: To understand the impact of intermittent operation of a power plant using amine-based carbon capture processes, stress tests were conducted on a plant operating with a mixture of two amines. A machine learning model was developed to forecast emissions and model the impact of interventions. The findings suggest the need for reconsidering mitigation strategies for capture plants using a mixture of amines, as certain interventions have opposite effects on the emissions of solvent components.
Review
Biotechnology & Applied Microbiology
Ahmed Sodiq et al.
Summary: As carbon dioxide (CO2) levels in the atmosphere rise, research societies are developing innovative technologies to address climate change challenges caused by high CO2 levels. Direct air capture (DAC) is a promising solution for CO2 removal, as it is independent of emission origin and can be implemented anywhere. However, the energy requirements for DAC have hindered its commercialization. This study proposes using preexisting heating, ventilation, and air conditioning systems to provide the energy needed for CO2 capture.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2023)
Article
Engineering, Chemical
Elias Moubarak et al.
Summary: To evaluate the performance of materials for carbon capture, pure component isotherms are used to predict mixture isotherms. Molecular simulations are also used for screening materials. An efficient workflow for sampling pure component isotherms was developed and tested on metal-organic frameworks, proving its reliability. The use of ideal adsorbed solution theory (IAST) is shown to accurately predict CO2 and N2 mixture isotherms, making it a suitable technique for bridging the gap between adsorption data and process modeling.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Biotechnology & Applied Microbiology
Mohsen Gholami et al.
Summary: This review discusses the development of the adsorptive separation process and focuses on the hybrid temperature vacuum swing adsorption (TVSA) process. It highlights the current and potential applications of TVSA for carbon capture, as well as the cycle steps, heating methods, and bed configurations. The review clarifies the benefits and pitfalls of TVSA that are crucial for decision-making in technology development.
CURRENT OPINION IN CHEMICAL ENGINEERING
(2023)
Article
Engineering, Environmental
John Young et al.
Summary: Direct air capture using solid adsorbents is crucial for achieving net zero greenhouse gas emissions. Current research mainly focuses on developing new adsorbents, but there is a disconnect between adsorbent design and process performance. This study demonstrates that while CO2 capacity is important for a steam-assisted TVSA process, it does not significantly impact the performance of an amine-functionalised adsorbent in a temperature vacuum swing adsorption process. Factors such as adsorption kinetics, density, and thermal conductivity play a more critical role in energy efficiency and cost reduction. The findings provide guidance for scientists and engineers in improving adsorbent design and intensified DAC processes.
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Engineering, Chemical
May-Yin (Ashlyn) Low et al.
Summary: This article reviews the progress of adsorption-based direct air capture (DAC) technologies from 2016 to 2021 and identifies the existing data gaps in both materials' development and process design. The available and missing data on adsorbent properties are highlighted, as well as key process studies conducted in the same time frame. The lack of synergy between material and process development is emphasized as a challenge that needs to be addressed to advance the field of adsorption-based DAC.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2023)
Article
Construction & Building Technology
Lukas Baus et al.
Summary: This concept study suggests a novel approach to improve indoor air quality and save energy by coupling HVAC systems with DAC technology to separate CO2 and recirculate air in buildings.
BUILDING AND ENVIRONMENT
(2022)
Review
Chemistry, Multidisciplinary
Fanhe Kong et al.
Summary: The extraction of CO2 from ambient air, known as direct air capture (DAC), is an important technology for mitigating global warming. However, most research on DAC has been conducted under indoor temperature conditions and lacks consideration for the applicability in extreme outdoor conditions. Therefore, there is a need to develop DAC materials and system designs to adapt to sub-ambient temperatures and conduct further research to fill the technical gaps.
KOREAN JOURNAL OF CHEMICAL ENGINEERING
(2022)
Article
Energy & Fuels
Lin Shi et al.
Summary: In this study, a novel electrochemical CO2 separator is demonstrated to effectively remove CO2 from air for alkaline exchange membrane fuel cells. This separator, powered by hydrogen, operates similarly to a fuel cell but does not require electrical wires, bipolar plates or current collectors and can function under load-following dynamic conditions.
Article
Engineering, Environmental
Yamid Gomez-Rueda et al.
Summary: This study evaluates the use of microwave heating for thermal regeneration in adsorptive carbon capture. The results show that microwave heating can achieve extremely fast desorption and swift adsorption-desorption cycles. Compared to reference thermal swing adsorption processes, microwave swing adsorption outperforms in terms of heating rates. The study also demonstrates high reproducibility in regenerating the adsorption bed without damaging the material's microporosity.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Chemical
Jan F. Wiegner et al.
Summary: This work investigates the performance variations of direct air capture (DAC) plants based on solid sorbents under different ambient conditions and explores the optimal design and operation strategies. The study finds that capturing costs are lower and CO2 productivity is higher in cold and humid conditions. Flexibly adjusting operating variables and adopting buffer storage tanks can improve the performance of DAC.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Review
Chemistry, Multidisciplinary
Theodoros Damartzis et al.
Summary: Carbon capture on-board ships is an important technological measure for the shipping industry to reduce greenhouse gas emissions. This study comprehensively evaluates different solvents for post-combustion CO2 capture and finds that no solvent can meet all shipping requirements efficiently. However, widely used solvents like secondary amines show good compatibility with most requirements, while newly developed molecules like phase change solvents and ionic liquids have potential when reaching the same level of technological maturity. This highlights the need for further research on tailor-made and performance-targeted solvents.
APPLIED SCIENCES-BASEL
(2022)
Article
Energy & Fuels
Keju An et al.
Summary: This paper investigated the influence of temperature and relative humidity on the performance of liquid-solvent based DAC systems. It was found that high CO2 capture rates can only be achieved in hot and humid climate conditions, and the capture rate decreases dramatically at lower temperatures. Additionally, CO2 capture efficiency is relatively insensitive to climate conditions, while the cost of natural gas standalone scenarios is more sensitive to temperature.
Article
Engineering, Chemical
Grazia Leonzio et al.
Summary: This study proposes an innovative process that integrates air source heat pumps and DAC adsorption systems to provide the low-carbon heat required for direct air capture. By using working fluids such as CO2, CO2-ethane, and CO2-R41, it is possible to supply hot water at 100 degrees Celsius with high efficiency, resulting in significant energy savings and economic benefits.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Chemistry, Physical
Seyed Mohamad Moosavi et al.
Summary: A machine learning approach has been developed to accurately predict the heat capacity of materials such as zeolites, metal-organic frameworks, and covalent-organic frameworks, providing an important theoretical basis for carbon capture applications.
Article
Green & Sustainable Science & Technology
Marco Simoni et al.
Summary: The thermal treatment of limestone to produce lime is a significant source of CO2 emissions, and literature on decarbonising the lime industry is scarce. Carbon Capture & Storage (CCS) technologies are considered the most effective way to mitigate these emissions, but their industrial application faces challenges due to limited efficiency and high costs. This review examines the current state of the lime industry, CCS technologies, and alternative eco-efficient fuels. It also proposes novel decarbonisation methods that do not involve thermal calcination of limestone. Shifting to green electricity could potentially lead to a carbon-neutral or even carbon-negative lime industry and other hard-to-abate sectors.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2022)
Review
Chemistry, Multidisciplinary
Grazia Leonzio et al.
Summary: The increase in CO2 concentration in the atmosphere has led to the development of negative emissions technologies, such as direct air capture (DAC). DAC technology can directly capture CO2 from the atmosphere, allowing for long-term removal and short-term closed carbon cycles through storage and utilization for chemical processes. Absorption and adsorption are the most studied technologies, but others are also being investigated. Efforts should be made to reduce costs and improve efficiency for large-scale DAC development, while addressing social concerns.
APPLIED SCIENCES-BASEL
(2022)
Article
Energy & Fuels
Muhammad Nihal Naseer et al.
Summary: This study quantitatively reviews the literature on CO2 capture technology published from 1970 to 2020, using bibliometric and content analysis techniques. The findings reveal the recent development in this field, with hot topics including chemical fixation, cycloaddition, cyclic carbonates, epoxides, and mixed-matrix membrane. The application of nanotubes and nanoparticles is also identified as a promising option for future research.
Article
Environmental Sciences
Cara N. Maesano et al.
Summary: This article introduces the concept of geochemical negative emissions technologies (NETs) and their role in responding to climate change. It provides guidance for the development and deployment of geochemical NETs by outlining six key elements. The article calls for consensus among researchers, practitioners, and key players to promote the implementation of high-priority actions.
FRONTIERS IN CLIMATE
(2022)
Article
Green & Sustainable Science & Technology
Marwan Sendi et al.
Summary: Direct air capture (DAC) is a potential CO2 removal method with large-scale deployment capability. Our study shows that DAC performs better in relatively cold and drier regions. However, approximately 25% of the world's land is unsuitable for DAC due to extremely cold ambient temperatures.
Review
Chemistry, Physical
Junye Wu et al.
Summary: This paper reviews the recent advances in the shaping process for adsorbents, including the alternative geometric forms, key metrics, and solving methods for structured adsorbents. The paper emphasizes the appropriate adoption of shaping techniques according to the adsorbent properties, and the design of adsorbent structure based on application requirements.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Review
Environmental Sciences
James S. S. Campbell et al.
Summary: This article presents the development and different approaches of geochemical negative emissions technologies (NETs), which utilize alkaline minerals to remove and store atmospheric carbon dioxide (CO2). These technologies are still in the early stage of development, with only a few undergoing field trials. The article highlights the key features such as mineral resources, processes, kinetics, storage durability, risks, limitations, and the synergies with other technologies like direct air capture (DAC). It also explores the role of biological mechanisms in enhancing geochemical NETs. Part II of the article presents a roadmap to catalyze the research, development, and deployment of geochemical NETs at a gigaton scale in the coming decades.
FRONTIERS IN CLIMATE
(2022)
Review
Chemistry, Multidisciplinary
Maria Erans et al.
Summary: This article reviews the latest developments in direct air capture (DAC) technology and proposes research challenges in process technology, techno-economic, and socio-political domains.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Review
Polymer Science
Shigenori Fujikawa et al.
Summary: Direct air capture (DAC) is now seen as a necessary choice to reduce CO2 concentration in the atmosphere, with membrane separation being considered a potential new technology in addition to sorbent-based CO2 capture. The performance of organic polymer membranes is crucial for the development of membrane-based DAC (m-DAC), and process simulation with multistage membrane separation helps in assessing the energy requirements for m-DAC effectively.
Article
Environmental Sciences
Jay Fuhrman et al.
Summary: DACCS is a potentially effective method for removing CO2 from the atmosphere, with lower energy efficiency compared to other carbon capture methods. The deployment of DACCS, as well as its side effects on global energy, water, and land systems, varies across different scenarios. In some scenarios, DACCS could play a significant role, while in others, it is less utilized.
ENVIRONMENTAL RESEARCH LETTERS
(2021)
Article
Green & Sustainable Science & Technology
Jasmin Cooper et al.
Summary: Methane emissions from natural gas supply chains are a significant source of greenhouse gas emissions. This study estimates emissions variation and uncertainty, highlighting countries at risk of high emissions. The study also shows a high dependency on Tier 1 emission factors, indicating uncertainty and potential inaccuracies in emission accounting.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Energy & Fuels
Sarah Deutz et al.
Summary: Direct air capture technology can achieve negative emissions, but its benefits depend on the energy source. Large-scale deployment of direct air capture is not limited by material and energy availability, but the production of amines for adsorbents needs to be scaled up. Energy source and efficiency are crucial for achieving negative emissions and low-carbon fuels with direct air capture.
Article
Energy & Fuels
Kavya Madhu et al.
Summary: Direct air capture (DAC) technologies are used to remove CO2 from the atmosphere in climate policy scenarios, but their real-world impacts are not well understood. A life-cycle assessment comparing two main DAC approaches quantifies their environmental impact and resource needs.
Article
Engineering, Environmental
Tom Terlouw et al.
Summary: DACCS technology has the potential to remove significant amounts of CO2 from the atmosphere, especially in countries with low-carbon electricity supply and waste heat usage. Autonomous system layouts are a promising alternative, especially suitable for locations with high solar irradiation to avoid fossil fuel consumption. An analysis of environmental burdens other than GHG emissions shows that selecting appropriate system layouts is crucial for achieving net GHG removal.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Green & Sustainable Science & Technology
Peter Moser et al.
Summary: The long-term test with AMP/PZ solvent showed a decrease in specific reboiler duty and slow degradation behavior, with a moderate increase in specific energy demand when reducing the packing height. Tests with different CO2 capture rates showed only small increases in energy demand, and the solvent consumption of CESAR1 was lower than MEA. The investigation of aerosol-based emissions with various emission mitigation measures showed that utilizing the dry bed configuration resulted in lower emissions of AMP, PZ, and NH3.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2021)
Article
Green & Sustainable Science & Technology
Peixin Dong et al.
Summary: The study proposes a novel system that integrates traditional natural draft cooling towers and direct air capture technology to reduce the operational cost of CO2 capture process and enhance the cooling effect of thermal power plants. The evaporation of water during CO2 absorption creates a considerable cooling capacity, which can save electrical energy and improve the thermal performance of cooling towers.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2021)
Article
Chemistry, Physical
Francesco Sabatino et al.
Article
Chemistry, Multidisciplinary
Radu Custelcean
Summary: This article discusses the perspective of using crystal engineering for DAC of carbon dioxide, which allows for systematic studies of structure-property relationships and tuning of DAC performance.
Article
Environmental Sciences
Noah McQueen et al.
Summary: Removing CO2 from the air using chemicals such as Direct Air Capture (DAC) requires significant energy input and comes with high costs. Different energy systems paired with DAC processes greatly impact the overall cost, with electricity prices playing a key role. Continuous power supply is essential due to the nature of the process, with various renewable and non-renewable energy sources affecting the total capture cost differently.
FRONTIERS IN CLIMATE
(2021)
Article
Environmental Sciences
Christian Breyer et al.
MITIGATION AND ADAPTATION STRATEGIES FOR GLOBAL CHANGE
(2020)
Article
Engineering, Chemical
Francesco Sabatino et al.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2020)
Article
Green & Sustainable Science & Technology
Peter Moser et al.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2020)
Article
Energy & Fuels
Ali Kiani et al.
FRONTIERS IN ENERGY RESEARCH
(2020)
Article
Multidisciplinary Sciences
Noah McQueen et al.
NATURE COMMUNICATIONS
(2020)
Article
Biology
William J. Schmelz et al.
Article
Green & Sustainable Science & Technology
Mandi Fasihi et al.
JOURNAL OF CLEANER PRODUCTION
(2019)
Article
Energy & Fuels
Peter Viebahn et al.
Article
Green & Sustainable Science & Technology
Melinda M. J. de Jonge et al.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2019)
Article
Multidisciplinary Sciences
Peter G. Boyd et al.
Review
Environmental Sciences
Peter Kelemen et al.
FRONTIERS IN CLIMATE
(2019)
Article
Chemistry, Multidisciplinary
Sahag Voskian et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2019)
Article
Business
Abhishek Malhotra et al.
TECHNOLOGICAL FORECASTING AND SOCIAL CHANGE
(2019)
Article
Environmental Sciences
Ted von Hippel
Article
Chemistry, Multidisciplinary
Mathilde Fajardy et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2018)
Article
Thermodynamics
Charithea Charalambous et al.
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2018)
Article
Energy & Fuels
Flavien M. Brethome et al.
Article
Thermodynamics
Giulio Santori et al.
Article
Chemistry, Physical
David W. Keith et al.
Article
Environmental Sciences
Jennifer Wilcox et al.
ENVIRONMENTAL RESEARCH LETTERS
(2017)
Review
Chemistry, Multidisciplinary
Eloy S. Sanz-Perez et al.
Article
Chemistry, Multidisciplinary
Amrit Kumar et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2015)
Article
Green & Sustainable Science & Technology
Edward S. Rubin et al.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2013)
Article
Chemistry, Physical
Tao Wang et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2013)
Article
Environmental Sciences
David W. Keith et al.
