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 التقنيات, 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.
Atmospheric carbon dioxide capture system
Patent published on the 2026-05-28 in US under Ref US20260145131 by ROBERT BOSCH GMBH [DE] (Gorlin Yelena [us], Baldizzone Claudio [de], Schmidt Helmut [de])
Abstract: A direct air capture of CO2 system includes a first reaction reactor configured to sequester CO2 from ambient air via a fluid sorbent including one or more amino acids; and an in-situ bipolar membrane electrolyzer, connected to the first reaction reactor, configured to both (a) regenerate the fluid sorbent via chemical removal of CO2 from the fluid sorbent and (b) react the removed CO2 to a non-CO2 end-product.[...]
Our summary: The system captures atmospheric CO2 using a fluid sorbent with amino acids. It includes a reactor that sequesters CO2 and an electrolyzer for regeneration. The electrolyzer also converts the captured CO2 into a non-CO2 end-product.
CO2 capture, direct air capture, fluid sorbent, bipolar membrane electrolyzer
Patent
Composition for preventing or treating male pattern hair loss by adsorption and/or removal of dihydrotestosterone, and uses thereof
Patent published on the 2026-05-28 in WO under Ref WO2026111245 by MEDIARK INC [KR] (Kim Se Na [kr], Chun Nea Young [kr], Oh Yu Jin [kr], Shin Byung Ho [kr])
Abstract: The present invention relates to a composition for preventing or treating male pattern hair loss by adsorption and/or removal of dihydrotestosterone (DHT), and uses thereof, wherein the composition comprises a metal-organic framework, which penetrates hair follicles and, by adsorbing and/or removing DHT, can exhibit preventive or therapeutic effects against the progression of hair loss. In addition, when the composition is applied to the scalp as a hair serum or a hair cream comprising the metal[...]
Our summary: The invention describes a composition for preventing or treating male pattern hair loss by removing dihydrotestosterone (DHT). It utilizes a metal-organic framework that penetrates hair follicles to adsorb DHT. This composition can be applied as a serum or cream and continuously removes DHT as hair grows.
metal-organic framework, dihydrotestosterone, hair loss treatment, adsorption
Patent
Mixed-anion sorbent for dual-functional moisture-swing direct air capture of carbon dioxide and ambient water harvesting
Patent published on the 2026-05-28 in US under Ref US20260145166 by THE TRUSTEES OF PRINCETON UNIV [US] (Hatzell Kelsey [us], Zhu Yaquang [us], Booth Austin [us])
Abstract: [0000] The present disclosure provides a moisture-swing sorbent composition comprising an ion exchange resin loaded with borate ions. The composition captures carbon dioxide from ambient air at low humidity and releases it when exposed to high humidity environments. The ion exchange resin contains quaternary ammonium functional groups that serve as cation sites for charge neutrality with anionic species. The ions may consist of carbonate and borate ions, providing synergistic effects that enhanc[...]
Our summary: The moisture-swing sorbent composition captures carbon dioxide at low humidity and releases it in high humidity. It utilizes an ion exchange resin with borate and carbonate ions for enhanced capture efficiency. The system enables simultaneous carbon dioxide capture and atmospheric water harvesting through humidity-controlled regeneration cycles.
sorbent, carbon dioxide capture, moisture-swing, ion exchange resin
Patent
Atmospheric carbon dioxide capture system
Patent published on the 2026-05-27 in EP under Ref EP4748478 by BOSCH GMBH ROBERT [DE] (Schmidt Helmut [de], Gorlin Yelena [us], Baldizzone Claudio [de])
Abstract: An exchange fluid having one or more amino acid for removing carbon dioxide from a solid sorbent and systems containing the same are disclosed. The exchange fluid may further include a neutralizing base for neutralizing the amino acid. The system may further employ an electrochemical cell to regenerate the exchange fluid by removing carbon dioxide from the exchange fluid without employing degrading temperatures and pressures.[...]
Our summary: The system utilizes an exchange fluid with amino acids to capture carbon dioxide from a solid sorbent. It includes a neutralizing base for the amino acids and employs an electrochemical cell for fluid regeneration. This process avoids the use of high temperatures and pressures.
carbon capture, amino acids, electrochemical cell, sorbent
Patent
System comprising co2 adsorption unit coupled with thermal recovery oxyfuel combustor and process for utilization of the co2
Patent published on the 2026-05-27 in EP under Ref EP4748817 by ICODOS GMBH [DE] (SchÜtz Michael Josef [de], Vidal VÁzquez Francisco De Sales [de], De La Flor SÁnchez Daniel [de])
Abstract: The present invention provides a system and a process for the production of methane, C2-C100 linear alkanes, C2-C10 olefins, oxygenates, methanol and combinations thereof, comprising: an oxyfuel combustor comprising a combustion gas outlet, and a first fluid entrance; a heat recovery system; a carbon capturing unit comprising an adsorption column which comprises a combustion gas inlet in fluid communication with the combustion gas outlet of the oxyfuel combustor, and a feed gas inlet; a desorpti[...]
Our summary: The system includes a CO2 adsorption unit linked to a thermal recovery oxyfuel combustor. It facilitates the production of methane, linear alkanes, olefins, and methanol. The design incorporates a heat recovery system and a carbon capturing unit with specific column configurations.
CO2 adsorption, oxyfuel combustor, thermal recovery, methane production
Patent
Atmospheric carbon dioxide capture system
Patent published on the 2026-05-27 in EP under Ref EP4748477 by BOSCH GMBH ROBERT [DE] (Kitchaev Daniil [us], Christensen Jake [us], Schmidt Helmut [de], Gorlin Yelena [us], Baldizzone Claudio [de])
Abstract: [0001] A direct air capture system to remove atmospheric carbon dioxide is provided. The system may include a solid carbon dioxide sorbent and a thermal regeneration module that cycle an exchange fluid. The exchange fluid may include an amine with an affinity for carbon dioxide such that it removes carbon dioxide from the solid sorbent. The exchange fluid may be heated such as with water vapor to remove carbon dioxide from the exchange fluid such that it can be recycled back to the solid sorbent[...]
Our summary: A direct air capture system is designed to remove atmospheric carbon dioxide. It utilizes a solid carbon dioxide sorbent and a thermal regeneration module. The system recycles an exchange fluid containing an amine to enhance carbon dioxide removal.
carbon capture, direct air capture, sorbent, thermal regeneration
Patent
Spherical MgSiO3–NH2 Adsorbents with Optimized Surface Chemistry for Humidity-Enhanced Direct Air CO2 Capture
Published on 2026-02-03 by Sungho Park, Hyeok-Jung Kim @MDPI
Abstract: Amine-functionalized solid adsorbents are widely recognized as promising candidates for direct air capture of CO2; however, their practical deployment remains constrained by humidity-dependent adsorption behavior and poor packed-bed operability arising from irregular particle morphology and fines generation. Rather than focusing solely on maximizing intrinsic adsorption capacity, this study addresses these process-level limitations through an integrated design strategy combining particle morphol[...]
Our summary: This study presents optimized spherical magnesium silicate adsorbents for CO2 capture. It addresses limitations in humidity-dependent adsorption and particle morphology. The adsorbents show enhanced performance under humid conditions, achieving significant carbon dioxide capture capacities.
Adsorbents, CO2 capture, Surface chemistry, Humidity-enhanced
Publication
A Review on the Preparation, Properties, and Mechanism of Lignin-Modified Asphalt and Mixtures
Published on 2026-02-03 by Yu Luo, Guangning Ge, Yikang Yang, Xiaoyi Ban, Xuechun Wang, Zengping Zhang, Bo Bai @MDPI
Abstract: Lignin, an abundant and renewable biopolymer, holds significant potential for asphalt modification owing to its unique aromatic structure and reactive functional groups. This review summarizes the main lignin preparation routes and key physicochemical attributes and assesses its applicability for enhancing asphalt performance. The physical incorporation of lignin strengthens the asphalt matrix, improving its viscoelastic properties and resistance to oxidative degradation. These enhancements are [...]
Our summary: This review discusses the preparation and properties of lignin-modified asphalt (LMA). Lignin enhances asphalt s viscoelastic properties and resistance to degradation through cross-linking and antioxidant mechanisms. Future research should focus on large-scale tests and molecular interactions to optimize LMA performance.
Lignin, Asphalt Modification, Physicochemical Properties, Life Cycle Assessment
Publication
