Direct Air Capture (DAC) involves the extraction of carbon dioxide directly from ambient air using chemical or physical sorbents, enabling atmospheric CO2 removal independent of emission sources. This field focuses on sorbent development, adsorption-desorption cycles, energy-efficient regeneration methods, and system integration with carbon utilization or storage pathways. Innovations in solid and liquid sorbents, process intensification, and modular plant design drive improvements in capture capacity, selectivity, and operational costs. The following collection presents the most recent scientific publications and patented technologies, highlighting advancements in materials science, process engineering, techno-economic assessments, and large-scale deployment strategies critical to advancing DAC as a scalable climate mitigation technology.
هذه أحدث مجموعة مختارة لدينا من المنشورات وبراءات الاختراع العالمية باللغة الإنجليزية حول التقاط ثاني أكسيد الكربون من الهواء مباشرةً، من بين العديد من المجلات العلمية عبر الإنترنت، المصنفة والمركزة على التقاط ثاني أكسيد الكربون من الهواء مباشرةً، وتقنية DAC، ومواد امتزاز ثاني أكسيد الكربون، والمواد المازة الصلبة، والمذيبات السائلة لـ DAC، وامتزاز ثاني أكسيد الكربون، وإزالة امتزاز ثاني أكسيد الكربون، وتجديد DAC، والمواد الماصة القائمة على الأمين، والأطر المعدنية العضوية، واستهلاك الطاقة لـ DAC، وتحسين عملية DAC، والتقاط الهواء، وقابلية توسع DAC، وخفض تكلفة DAC، واحتجاز الكربون، وتكامل DAC، واستخدام كربون DAC وتخزين الكربون.
evidence from publications and patents
Published on 2026-10-19 by @OXFORD
Abstract: AbstractBackground: Low-carbon transitions depend on both knowledge production and deployable technical solutions, yet bibliometric and patent studies often analyse these evidence streams separately. This study develops a publication–patent alignment framework to map thematic correspondence between Chinese research and patent domains under the dual-carbon strategy. Methods: The dataset comprises 14,293 Web of Science publications and 23,929 Incopat patent records retrieved under a 2021–2025 [...]
Our summary: This study develops a framework to align research publications with patent domains in China under the dual-carbon strategy. It identifies direct and transformative alignments between various research themes and patent classifications. The results highlight the role of universities in both publication and patent activities, emphasizing the need for improved technology transfer.
publication-patent alignment, bibliometric analysis, dual-carbon strategy, thematic correspondence
Publication
Systems and methods for carbon capture and solvent regeneration using radio frequency
Patent published on the 2026-10-15 in WO under Ref WO2026213698 by ACCELEWARE LTD [CA] (Okoniewski Michal M [ca], Pasalic Damir [ca], Tessier Lynn P [ca], Nielsen Jorgen S [ca])
Abstract: Systems and methods for capturing carbon and regenerating solvent are disclosed. The method involves collecting providing an amine solvent; introducing a gaseous feed stream to the amine solvent to capture carbon dioxide from a gaseous feed stream, producing a pregnant solvent; applying radiofrequency energy at a low frequency to the pregnant solvent to heat the pregnant solvent to a desorption temperature. The pregnant solvent can separate at the desorption temperature to yield carbon dioxide a[...]
Our summary: The method captures carbon dioxide using an amine solvent and radiofrequency energy. It produces a pregnant solvent that separates into carbon dioxide and regenerated solvent. The regenerated solvent is cooled and reused for further carbon capture.
carbon capture, solvent regeneration, radio frequency, desorption
Patent
Electrochemical carbon capture apparatus based on solid electrolyte reactor, preparation method thereof, and carbon capture method
Patent published on the 2026-10-15 in US under Ref US20260317913 by THE HONG KONG POLYTECHNIC UNIV [CN] (Zhang Xiao [cn], Zhai Yanjie [cn])
Abstract: [0000] The present application relates to the technical field of carbon capture and environmental protection, and in particular to an electrochemical carbon capture apparatus based on a solid electrolyte reactor, a preparation method, and a carbon capture method. The electrochemical carbon capture apparatus based on the solid electrolyte reactor includes: a porous solid electrolyte layer; a cathode electrode and an anode electrode, respectively arranged on two sides of the porous solid electroly[...]
Our summary: The application describes an electrochemical carbon capture apparatus utilizing a solid electrolyte reactor. It includes a porous solid electrolyte layer, cathode and anode electrodes, and various membranes. The method focuses on improving carbon capture efficiency and environmental protection.
Electrochemical, Carbon Capture, Solid Electrolyte, Environmental Protection
Patent
Coral-reef-like bifunctional catalyst for biomass gasification to produce green hydrogen with simultaneous decarbonization, and preparation method and
Patent published on the 2026-10-08 in US under Ref US20260307057 by SOUTHEAST UNIV [CN] (Zhang Huiyan [cn], Lu Qiuxiang [cn], Su Yinhai [cn], Xiao Rui [cn])
Abstract: A coral-reef-like bifunctional catalyst for biomass gasification to co-produce green hydrogen and achieve decarbonization. Active metal site regulation optimizes the matching between active phases and supports to enhance catalytic activity and stability. The unique coral-reef-like structure builds a confined space for bond cleavage and CO2 conversion. Dual active sites respectively drive directional bond cleavage for high-purity green hydrogen production and in-situ CO2 adsorption and conversion[...]
Our summary: A coral-reef-like bifunctional catalyst enables biomass gasification for green hydrogen production and decarbonization. The structure enhances catalytic activity through active metal site regulation and bond cleavage. The catalyst demonstrates excellent stability and efficiency in producing high-purity syngas with CO2 conversion.
bifunctional catalyst, biomass gasification, green hydrogen, decarbonization
Patent
Energy optimization apparatus
Patent published on the 2026-10-01 in US under Ref US20260302791 by PENN STATE RES FOUND [US] (Seiler Jacob [us], Pavlak Gregory S [us], Freihaut James [us])
Abstract: An integrated energy management and optimization system for a controlled environment agriculture (CEA) facility includes at least one combined heat and power (CHP) unit and auxiliary technologies such as a thermal energy storage system, a battery energy storage system, a chiller, a cooling energy storage system, an exhaust treatment unit, and a carbon capture and utilization system. The system utilizes a multi-objective optimization algorithm, such as a mixed-integer linear programming (MILP) mo[...]
Our summary: The energy optimization apparatus integrates various technologies for controlled environment agriculture. It employs a multi-objective optimization algorithm to enhance efficiency while minimizing costs and emissions. The system can supply energy and participate in market activities, utilizing waste heat recovery from secondary facilities.
energy management, optimization system, combined heat and power, multi-objective optimization
Patent
Atmospheric carbon dioxide capture system
Patent published on the 2026-09-30 in EP under Ref EP4813504 by BOSCH GMBH ROBERT [DE] (Gorlin Yelena [us], Baldizzone Claudio [de], Schmidt Helmut [de])
Abstract: A system for capture of atmospheric CO2 includes a reaction reactor having a solid sorbent; and a mineralization reactor downstream from the reaction reactor, the system having three states including in the reaction reactor, a first state of sequestering CO2 from air into the solid sorbent; in the reaction reactor, a second state of releasing the sequestered CO2 from the sorbent by contacting the CO2-enriched sorbent with an exchange fluid having one or more amino acids and forming a CO2-enriche[...]
Our summary: The system captures atmospheric CO2 using a solid sorbent in a reaction reactor. It releases sequestered CO2 through an exchange fluid containing amino acids. Finally, it mineralizes CO2 with an alkaline feedstock to produce carbonate while regenerating the exchange fluid.
carbon capture, solid sorbent, mineralization reactor, CO2 sequestration
Patent
Adsorption-membrane-distillation direct air capture systems and methods
Patent published on the 2026-09-24 in US under Ref US20260284587 by GEORGIA TECH RES CORPORATION [US] (Lively Ryan P [us], Realff Matthew [us])
Abstract: [0000] The present disclosure relates generally to carbon dioxide capture systems and methods, and more particularly to direct air capture systems and methods that combine adsorption, membrane separation, and distillation technologies to capture and purify carbon dioxide from ambient air. A direct air capture system includes a first separation stage configured to receive an air stream containing carbon dioxide and to produce a first enriched stream having a higher carbon dioxide concentration th[...]
Our summary: The disclosure describes systems for capturing carbon dioxide from ambient air using direct air capture methods. It involves a two-stage separation process to enhance carbon dioxide concentration. Different technologies like adsorption, membrane separation, and distillation are utilized in each stage.
Adsorption, Membrane, Distillation, Carbon Dioxide
Patent
technological pathways, global implementations, and future prospects
Published on 2026-08-19 by @OXFORD
Abstract: AbstractBioenergy with carbon capture and storage (BECCS) is a key pathway for coupling renewable energy generation with atmospheric carbon removal, but its climate benefit depends on system boundaries, biomass sustainability, capture-route selection, storage permanence, and policy support. This review critically examines the full BECCS chain, including biomass cultivation, conversion technologies, carbon dioxide (CO₂) capture routes, transport and storage infrastructure, life-cycle performanc[...]
Our summary: BECCS integrates renewable energy with carbon removal but relies on various factors for effectiveness. The review assesses the entire BECCS chain, highlighting the importance of accurately measuring carbon metrics. Challenges to large-scale deployment include sustainability issues, infrastructure needs, and market incentives.
BECCS, carbon capture, biomass sustainability, techno-economic feasibility
Publication
