Country: South Korea
Sorbent:
Regeneration Method:
Approach to DAC: Low Carbon Limited does not specifically focus on Direct Air Capture (DAC) technology. The company is primarily engaged in solar panel installation and renewable energy development.
Visit WebsiteCountry: Germany
Sorbent: The technology utilizes a liquid sorbent solution, but specific details about the chemical composition have not been disclosed.
Regeneration Method: The sorbent is regenerated through electrolysis, which also produces hydrogen as a byproduct.
Approach to DAC: Greenlyte uses a liquid-sorbent solution to capture CO₂ from ambient air. The process involves absorption of CO₂, precipitation as hydrogen carbonate, and desorption by electrolysis to release pure CO₂ and hydrogen.
Visit WebsiteCountry: New Zealand/U.S.
Sorbent: Capture6 repurposes industrial-scale components that are commonly used in operational environments.
Regeneration Method: The method for regenerating sorbents is unspecified but likely focuses on efficiency and cost-effectiveness due to the use of existing technologies.
Approach to DAC: Capture6 utilizes existing commercial-grade equipment to create DAC facilities, allowing for rapid deployment. This scalability is a core feature, enabling the company to effectively remove CO₂ from the atmosphere and store it durably.
Visit WebsiteCountry: U.S.
Sorbent: The company has successfully captured CO₂ using a patented sorbent material.
Regeneration Method: Currently under development, focusing on energy-efficient methods.
Approach to DAC: Nūxsen employs a Direct Air Capture (DAC) system that captures CO₂ from ambient air, putting significant emphasis on using novel sorbents for efficiency.
Visit WebsiteCountry: U.S.
Sorbent: MOVA employs precision-engineered sorbents for CO₂ capture, but specific details regarding their chemical composition are not disclosed.
Regeneration Method: The regeneration method involves heating the sorbent material to release captured CO₂, allowing the sorbent to be reused.
Approach to DAC: MOVA utilizes a modular platform for its carbon capture technology, which captures pollutants through precision-engineered sorbents combined with patented air contact technology. This system aims to efficiently capture CO₂ and other pollutants while converting them into valuable commodities.
Visit WebsiteCountry: U.S.
Sorbent: The company uses novel sorbents designed to be cost-effective and produced from widely available materials.
Regeneration Method:
Approach to DAC: NuAria employs DAC technology that captures CO₂ directly from the air using cost-effective materials with long lifespans. The captured CO₂ is then either stored or utilized.
Visit WebsiteCountry: U.S.
Sorbent: Specific sorbents utilized by Thalo Labs are not disclosed, but general DAC technologies typically utilize solid or liquid sorbents.
Regeneration Method: Not detailed in available information. Generally, DAC systems may require heat or other means to release captured CO₂ from sorbents.
Approach to DAC: Thalo Capture removes CO₂ directly from indoor air and stores it in a solid medium suitable for building materials.
Visit WebsiteCountry: India
Sorbent: The technology employs a proprietary catalyst designed specifically for CO₂ capture, though detailed information about the chemical composition is proprietary.
Regeneration Method: The regeneration method involves a thermal process that allows the catalyst to be reused while releasing captured CO₂ for further processing.
Approach to DAC: UrjanovaC's technology captures CO₂ through a patented catalyst from industrial wastewater. The process focuses on minimizing costs while maximizing efficiency in carbon capture.
Visit WebsiteCountry: U.S.
Sorbent: Typically DAC involves chemical sorbents to capture CO₂ from the atmosphere.
Regeneration Method: The common process involves heating the sorbent to release the captured CO₂, enabling the sorbent's reuse.
Approach to DAC: Valiidun's DAC facilities pull air into a device where chemical reactions extract CO₂. The captured CO₂ can either be stored underground or utilized in products.
Visit WebsiteCountry: U.S.
Sorbent: A proprietary advanced polymer-based sorbent.
Regeneration Method: Low-temperature regeneration that minimizes energy consumption.
Approach to DAC: We utilize innovative DAC technology to efficiently capture atmospheric CO2, focusing on lowering operational costs and maximizing carbon capture rates.
Visit WebsiteCountry: U.S.
Sorbent: The company employs a proprietary sorbent designed to capture CO2 efficiently in various atmospheric conditions.
Regeneration Method: The regeneration method involves a thermal cycle that reactivates the sorbent and recycles the captured CO2 for the methanol synthesis process.
Approach to DAC: SpiralWave utilizes a unique plasma reactor technology to convert CO2 directly into methanol in a single step. This allows for the processing of CO2 from air with concentrations as low as 0.04%.
Visit WebsiteCountry: Canada/U.S.
Sorbent: The company primarily uses a proprietary solid sorbent that effectively captures CO₂ under varying environmental conditions.
Regeneration Method: The sorbent is regenerated using a combination of heat and vacuum pressure, allowing for the captured CO₂ to be released and the sorbent to be reused.
Approach to DAC: Carbon Corp employs a novel direct air capture technology utilizing advanced sorbents to maximize CO₂ absorption efficiency while minimizing operational costs.
Visit WebsiteCountry: U.S.
Sorbent: The sorbent used in the Calcite process is a proprietary material developed to optimize the capture of CO2 from ambient air.
Regeneration Method: The regeneration method used involves a thermal approach to release the captured CO2 from the sorbent, which can then be sequestered or utilized.
Approach to DAC: 8 Rivers employs the Calcite process for Direct Air Capture (DAC). This patented process captures CO2 directly from the atmosphere and has been integrated into their broader portfolio that aims at net-zero solutions.
Visit WebsiteCountry: Spain
Sorbent: Not detailed in the available information.
Regeneration Method: Information on the regeneration method of sorbents is not provided.
Approach to DAC: There are no specific details available about Captur Tower Limited's technology or its involvement in direct air capture processes.
Visit WebsiteCountry: U.S.
Sorbent: Calcium oxide derived from limestone, which reacts with CO2 to form calcium carbonate.
Regeneration Method: Regeneration involves heating the calcium carbonate to release the CO2 and restore the calcium oxide for reuse.
Approach to DAC: Heimdal employs a Direct Air Capture (DAC) process using natural minerals, specifically quarried limestone.
Visit WebsiteCountry: Canada/U.S.
Sorbent: They utilize a potassium hydroxide (KOH) based sorbent solution which chemically reacts with CO₂ to form a carbonate.
Regeneration Method: The sorbent is regenerated by heating it to release the captured CO₂, allowing the potassium hydroxide to be reused in the process.
Approach to DAC: Carbon Engineering employs a two-step process that includes capturing CO₂ from the atmosphere using massive air contactors and converting captured CO₂ into a usable form or storing the captured CO₂ underground.
Visit WebsiteCountry: U.S.
Sorbent: Freshean employs nano-engineered sorbents as a part of their DAC technology.
Regeneration Method: The regeneration method employed uses low-energy thermal processes to efficiently recover the sorbents for reuse.
Approach to DAC: Freshean utilizes a proprietary 'Nano-in-Nano' platform for their DAC sorbents, designed to significantly increase CO2 capture efficiency and reduce costs.
Visit WebsiteCountry: The Netherlands
Sorbent: Functionalized Activated Carbon Fibers are the main sorbent materials, designed for quick and effective CO₂ adsorption.
Regeneration Method: The fast-swing technology allows for rapid cycling between capture and release, which is energy-efficient and minimizes water adsorption.
Approach to DAC: Carbyon employs a fast-swing DAC process using modular machines with functionalized activated carbon fibers as the sorbent. The machine captures CO₂ as air passes over the fibers and uses a rapid cycling method to regenerate the sorbent efficiently.
Visit WebsiteCountry: U.S.
Sorbent: honeycomb monoliths coated with carbonate salts
Regeneration Method: The regeneration method involves heating the sorbent material to release the captured CO₂, allowing the sorbent to be reused in the capture process.
Approach to DAC: Clairity uses solid sorbents, specifically honeycomb monoliths coated with carbonate salts. The CO₂ binds into the crystalline structure of the salts, which are then collected and concentrated within the reactor system.
Visit WebsiteCountry: U.S.
Sorbent: The technology utilizes abundant mineral feedstocks like gypsum to facilitate CO₂ conversion into useful chemicals.
Regeneration Method: Details on the regeneration method are not explicitly provided, but it allows for continuous operation without the need for frequent sorbent regeneration via the electrochemical approach.
Approach to DAC: Travertine employs an electrochemical process that captures CO₂ from the atmosphere and converts it into valuable products such as sulfuric acid and green hydrogen. This innovative method integrates DAC with mineralization, allowing for the permanent sequestering of carbon in carbonate minerals.
Visit WebsiteCountry: Canada
Sorbent: No specific sorbents are mentioned as part of Aeon Blue's DAC technology; instead, the company focuses on the electrolysis process integrated with hydrogen production.
Regeneration Method: While details on a specific regeneration method are not provided, the continuous operation with renewable energy suggests a minimized need for complex sorbent regeneration processes.
Approach to DAC: Aeon Blue utilizes an innovative approach that integrates green hydrogen production with direct air capture (DAC) using a proprietary electrolysis system.
Visit WebsiteCountry: U.S.
Sorbent: Potassium hydroxide (KOH), which is commonly used in soap production.
Regeneration Method: In the process, renewable electricity is employed to release the captured carbon and generate hydrogen from water. The produced hydrogen is then combined with the captured CO₂ to create carbon-neutral fuels.
Approach to DAC: Aircela utilizes DAC technology to capture CO₂ directly from the atmosphere. This process involves air passing over salts like potassium hydroxide, which absorb CO₂.
Visit WebsiteCountry: Ukraine
Sorbent: The primary sorbent used in their technology is novel electrochemical materials designed for high efficiency in CO2 capture.
Regeneration Method: The regeneration of sorbents is achieved through electrochemical methods, allowing for the capture and release of CO2 using renewable energy during off-peak times.
Approach to DAC: Carbominer employs a unique approach that combines both dry and wet capture techniques, enhancing efficiency compared to many existing DAC technologies. They utilize electrochemical regeneration, making their technology adaptable for use with intermittent renewable energy sources.
Visit WebsiteCountry: The Netherlands
Sorbent: SCW Systems utilizes novel sorbents designed to optimize CO₂ capture.
Regeneration Method: The regeneration method involves heating and recycling sorbents for efficient CO₂ capture.
Approach to DAC: SCW Systems employs Supercritical Water Gasification and CO₂ CLEANUP technologies to capture CO₂ from the atmosphere and convert it into solid powders.
Visit WebsiteCountry: Norway
Sorbent: zeolites
Regeneration Method: The specific regeneration process used by Removr involves thermal treatment to release absorbed CO2 from the zeolites.
Approach to DAC: Removr utilizes zeolites as sorbents for CO2 capture. Zeolites are non-toxic, highly stable materials suitable for large-scale applications.
Visit WebsiteCountry: U.S.
Sorbent: While the specific chemical composition of the sorbents is not publicly disclosed, the technology is based on alkaline absorption mechanisms.
Regeneration Method: The technology allows for the regeneration of the carbon capture solvent using a modest electrical current through an electrodialysis bipolar membrane (EDBM).
Approach to DAC: The technology utilizes a proprietary approach combining carbon capture reactions with electrolytic separation. Specifically, it employs an electrodialysis bipolar membrane (EDBM) which allows for the regeneration of the carbon capture solvent using a modest electrical current.
Visit WebsiteCountry: The Netherlands
Sorbent: We utilize a proprietary sorbent material that maximizes CO2 uptake and minimizes energy requirements.
Regeneration Method: The regeneration process involves low-temperature heating to release captured CO2, which is then compressed for storage or utilization.
Approach to DAC: Our company focuses on direct air capture using innovative methods to efficiently extract CO2 from the atmosphere.
Visit WebsiteCountry: U.S.
Sorbent: We use a proprietary synthetic sorbent that effectively captures CO₂ from the air.
Regeneration Method: The regeneration method involves heating the sorbent to release captured CO₂ for storage or utilization.
Approach to DAC: Our approach to DAC utilizes innovative technologies that enhance CO₂ removal efficiency.
Visit WebsiteCountry: Canada
Sorbent: Specific sorbents or materials are not disclosed; however, the technology focuses on electrochemical methods, distinct from traditional sorbent materials used by other DAC companies.
Regeneration Method: The process involves capturing CO₂ in a solution, followed by electrochemical regeneration, facilitating continuous capture.
Approach to DAC: E-Quester employs a novel electrochemical regeneration system for capturing atmospheric CO₂. The process captures CO₂ in a solution and liberates it through electrochemical means.
Visit WebsiteCountry: U.S.
Sorbent: The company employs an ionic liquid electrolyte for CO₂ capture directly from the air.
Regeneration Method:
Approach to DAC: Flow Aluminum's technology operates as both an energy storage device and a direct air capture system, utilizing an aluminum-CO₂ battery designed to absorb CO₂ from the air.
Visit WebsiteCountry: UK
Sorbent: Aqueous solvents that are reported to be 2.5 times faster than traditional sorbents.
Regeneration Method: The regeneration occurs via electrochemical methods that operate at ambient temperature and pressure, significantly reducing energy costs.
Approach to DAC: MZT uses an aqueous solvent to selectively capture and stabilize CO₂ from the air and employs an electrochemical process to release the captured CO₂ gas.
Visit WebsiteCountry: Austria
Sorbent: Specific details about sorbents and their chemical composition were not provided.
Regeneration Method: There is no specific mention of the regeneration method for their sorbents or DAC process.
Approach to DAC: The OBRIST Group has developed proprietary DAC technology, details of which were not specifically disclosed, but they have a recognized commitment to advancing carbon management through innovative technologies.
Visit WebsiteCountry: U.S.
Sorbent: Specific names and chemical compositions of the sorbents used are not provided in the available information.
Regeneration Method: The regeneration method involves dissolving captured CO2 in a generated acid and using an alkali for regeneration of the sorbent.
Approach to DAC: Parallel Carbon integrates DAC with Water Electrolysis. They use hyper-reactive minerals as sorbents for CO2 capture, followed by releasing the captured CO2 by dissolving it in an acid produced during the electrolysis process. The sorbent is then regenerated with an alkali, allowing Continuous CO2 capture, even when renewable energy input is intermittent.
Visit WebsiteCountry: Germany
Sorbent: The process utilizes acids and bases to bind and release CO2, but specific chemical compositions of these sorbents are not detailed in the available information.
Regeneration Method: The hydrolyzer is central to Phlair’s process, enabling the regeneration of the acids and bases used for capturing CO2, making the operation both cost-effective and scalable.
Approach to DAC: Phlair utilizes a hydrolyzer-based DAC system that employs a pH-swing mechanism for efficient CO2 capture and release. The technology incorporates membrane-based electrolyzers and fuel cells to produce the necessary acids and bases without the need for heating the sorbent.
Visit WebsiteCountry: U.S.
Sorbent: The company utilizes a solution involving water and CO2 that reacts with compounds like sodium carbonate to form bicarbonate for CO2 capture, instead of traditional sorbents.
Regeneration Method: The process operates continuously, utilizing membranes to separate alcohols from water, eliminating the need for traditional sorbent regeneration.
Approach to DAC: Prometheus employs a system called Titan Fuel Forge, which integrates direct air capture with a novel nanotube membrane. This process involves drawing in air, capturing CO2, and converting it into alcohols through an electrochemical process. The alcohols are then concentrated using nanotube membranes, which are subsequently converted into synthetic gasoline, diesel, or jet fuel.
Visit WebsiteCountry: Estonia
Sorbent: RedoxNRG employs non-toxic porous materials, focusing on sustainability and energy efficiency.
Regeneration Method:
Approach to DAC: RedoxNRG utilizes a fully electrified reactor system powered by renewable energy to capture CO2 from the air, converting it into formic acid through an electrolysis process. Noted for being modular, scalable, and operational under ambient conditions.
Visit WebsiteCountry: U.S.
Sorbent: Liquid sodium bicarbonate is used as the sorbent for CO2 capture.
Regeneration Method: The regeneration method involves heating the solution to release captured CO2, which is then compressed for storage.
Approach to DAC: Sora Fuel utilizes a liquid bicarbonate electrolyzer in a closed-loop system for Direct Air Capture. This innovative approach captures CO2 at a remarkably lower cost than traditional DAC methods.
Visit WebsiteCountry: Germany
Sorbent: Ucaneo uses a specialized biomimetic solvent within its proprietary liquid-air contactor to capture CO2 as bicarbonates.
Regeneration Method: The CO2 capture operates continuously at room temperature and does not require high-temperature regeneration, as CO2 does not form strong covalent bonds with the solvent.
Approach to DAC: Ucaneo employs a biomimetic approach, inspired by the human lung's ability to manage CO2. Their electrochemical process operates at room temperature and uses bio-catalysts to dissolve CO2 as bicarbonates in an electrolyte, making it highly energy-efficient.
Visit WebsiteCountry: U.S.
Sorbent: Advanced polymeric sorbents are employed to enhance CO₂ capture efficiency.
Regeneration Method: The regeneration method involves a low-temperature thermal treatment, allowing the sorbent to be reused multiple times.
Approach to DAC: x/44 utilizes an electrochemical process for DAC, which is noted to be less energy-intensive than traditional thermal methods. This technology captures CO₂ directly from the atmosphere and is compatible with various carbon removal and storage technologies.
Visit WebsiteCountry: Israel
Sorbent: "The specific composition of the sorbents employed in Verdox's technology is not provided. However, they are designed to be highly selective in absorbing CO₂ as air passes over charging electrodes."
Regeneration Method: "CO₂ is absorbed via charging electrodes and released during discharge, effectively regenerating the sorbent through an electrochemical process."
Approach to DAC: "Verdox utilizes a process known as electroswing adsorption (ESA), which integrates electrochemistry with organic chemistry. This method enables the capture and release of CO₂ using electrical energy, significantly reducing the need for heat and water."
Visit WebsiteCountry: U.S.
Sorbent: Specific details about the chemical composition of Arbon’s sorbent material are not disclosed.
Regeneration Method: The regeneration method employed by Arbon is unique in that it uses water instead of heat, which significantly reduces the energy cost associated with traditional regeneration processes.
Approach to DAC: Arbon utilizes a reusable sorbent material that captures CO₂ directly from the air when dry, and releases it when exposed to humid conditions. This innovative method is referred to as a 'humidity swing' method.
Visit WebsiteCountry: China
Sorbent: The proprietary MSCCM materials are specifically designed for humidity responsiveness.
Regeneration Method: Regeneration occurs through humidity-induced desorption, which facilitates the reuse of the sorbents without extensive energy inputs.
Approach to DAC: Linhe's DAC technology captures CO₂ from the air using MSCCM materials through humidity variations, enabling efficient capture across different CO₂ concentrations.
Visit WebsiteCountry: U.S.
Sorbent: Avnos utilizes solid sorbents for CO₂ capture, including proprietary materials designed for improved adsorption.
Regeneration Method: The regeneration of the sorbent involves thermal cycling methods that efficiently release stored CO₂ for safe sequestration or utilization.
Approach to DAC: Avnos employs Hybrid Direct Air Capture (HDAC) technology, which utilizes air, electricity, and solid sorbents to capture CO₂ and extract water from the atmosphere. This innovative approach reduces the requirement for water and heat in the process, catering to water-scarce regions.
Visit WebsiteCountry: U.S.
Sorbent: Aetherworks employs liquid sorbents that interact with CO₂ through selective binding.
Regeneration Method: The regeneration of the sorbent involves heating it to release the captured CO₂, which allows for the sorbent to be reused. Aetherworks aims to improve traditional methods by reducing the required regeneration temperatures and the maintenance needs.
Approach to DAC: Aetherworks utilizes a liquid sorbent DAC system, which is based on technology licensed from NASA. This process captures CO₂ directly from air, using high-powered fans to draw in air, which is then processed through chemical reactions to separate CO₂.
Visit WebsiteCountry: France
Sorbent: The primary sorbent used is a potassium hydroxide solution, which binds CO₂ and forms a carbonate salt.
Regeneration Method: The sorbents are regenerated by precipitating out calcium carbonate pellets, which are then heated to release the captured CO₂.
Approach to DAC: 1PointFive employs a DAC method that involves pulling in atmospheric air and extracting CO₂ through chemical reactions.
Visit WebsiteCountry: U.S.
Sorbent: The company does not specify the use of traditional sorbents typically found in DAC technologies. It emphasizes advanced technology for efficient CO₂ capture without detailing specific sorbent materials.
Regeneration Method:
Approach to DAC: While Carbon Reform specializes in carbon capture, it does not employ traditional Direct Air Capture (DAC) methods. Instead, it focuses on capturing CO₂ from indoor air in commercial buildings using a platform called The Carbon Capsule, which integrates with existing HVAC systems.
Visit WebsiteCountry: Italy
Sorbent: Specific sorbents employed by CarpeCarbon are not detailed.
Regeneration Method: The exact chemical composition of the sorbents and the method for regenerating them are not explicitly mentioned.
Approach to DAC: CarpeCarbon employs a novel Direct Air Capture (DAC) technology that captures CO₂ from the atmosphere using renewable energy. This technology is designed to be efficient, scalable, and deployable in various locations, with low energy requirements.
Visit WebsiteCountry: U.S.
Sorbent: Specific sorbents and their chemical compositions are not disclosed by CtrlZ Climate Corp. In the broader DAC field, solid sorbents and liquid solvents are commonly utilized to capture CO₂ from the atmosphere.
Regeneration Method: While many DAC technologies use heating methods to regenerate sorbents, CtrlZ Climate Corp. does not provide specific details about their regeneration processes.
Approach to DAC: Currently, CtrlZ Climate Corp. does not provide detailed information about their specific Direct Air Capture (DAC) technology. They mention a proprietary combination of innovations aimed at achieving scalable carbon removal.
Visit WebsiteCountry: China
Sorbent: Utilizes advanced amine-based sorbents for enhanced CO₂ adsorption.
Regeneration Method: Implemented a thermal regeneration method for effective sorbent replenishment.
Approach to DAC: The company focuses on innovative direct air capture technologies that enhance carbon removal efficiency.
Visit WebsiteCountry: Sweden
Sorbent: Not applicable as they do not operate DAC systems.
Regeneration Method: Not applicable.
Approach to DAC: Carbon Direct does not develop or deploy DAC technology; they offer advisory services.
Visit WebsiteCountry: U.S.
Sorbent: Solid sorbents typically involve materials with amine groups for CO2 adsorption.
Regeneration Method: Generally, DAC processes use heating mechanisms to release captured CO2 and allow the sorbents to be reused.
Approach to DAC: Feather Fuels employs Direct Air Capture (DAC) technology to remove CO2 from the atmosphere.
Visit WebsiteCountry: U.S.
Sorbent: GigaDAC utilizes a solvent spray that interacts kinetically with CO2, enabling the use of less energy-intensive solvents.
Regeneration Method: The regeneration method involves using weaker solvents requiring significantly less energy compared to traditional methods, facilitated by improved kinetics through a thinner boundary layer in their system.
Approach to DAC: GigaDAC uses a spray that binds to CO2 molecules instead of traditional filter systems. This method significantly reduces airflow resistance and is claimed to be six times more efficient than existing filter-based systems. The spray captures CO2 with nearly 100% efficacy, allowing the use of weaker solvents that require less energy to regenerate.
Visit WebsiteCountry: Australia
Sorbent: Fugu utilizes a proprietary solid sorbent material optimized for high-efficiency CO₂ capture.
Regeneration Method: The regeneration method involves heating the sorbent to release captured CO₂, allowing for continuous operation of the capture process.
Approach to DAC: Fugu's technology focuses on creating machines that employ solid sorbent filters to capture CO₂ directly from the air. The machines are constructed using mass-manufactured parts, making them scalable and suitable for global deployment.
Visit WebsiteCountry: Norway
Sorbent: AI-SI microporous zeolite which has a lifetime of up to 10 years in DAC applications.
Regeneration Method: The regeneration method involves heating the saturated zeolite bed to release the captured CO2.
Approach to DAC: GreenCap Solutions utilizes a non-chemical Direct Air Capture process based on zeolites, specifically an AI-SI microporous zeolite.
Visit WebsiteCountry: U.S.
Sorbent: The company utilizes chemical sorbents for CO₂ capture.
Regeneration Method:
Approach to DAC: Unemit employs DAC technology, which involves capturing CO₂ directly from the air using chemical sorbents. This process is an integral part of their technology aimed at mitigating climate change.
Visit WebsiteCountry: Switzerland
Sorbent: Climeworks uses solid sorbents designed for high CO₂ adsorption efficiency. Specific chemical compositions are typically proprietary and have not been detailed in publicly accessible sources.
Regeneration Method: The regeneration of the sorbent is performed by heating it, allowing the captured CO₂ to be released and subsequently purified.
Approach to DAC: Climeworks employs a modular system of CO₂ collector containers that draw air in using fans. The air passes through a solid sorbent, which captures CO₂ molecules efficiently. Once saturated, the sorbent is heated to around 100°C to release the captured CO₂. This purified CO₂ can then be compressed for storage or utilization.
Visit WebsiteCountry: Germany
Sorbent: DACMA has evaluated over 40 different adsorbent materials to optimize CO₂ uptake. While they use patented solid sorbents, the specific chemical composition of these sorbents has not been detailed in publicly available information.
Regeneration Method: The regeneration of sorbents involves heating them and applying a vacuum to release the concentrated CO₂, which is then captured for storage or utilization.
Approach to DAC: DACMA utilizes solid sorbent technology for Direct Air Capture. The process involves pulling CO₂-rich air into a filtration system, where it passes through adsorbents that capture CO₂ molecules. The air, now lean in CO₂, is returned to the atmosphere, while the captured CO₂ can be stored or utilized.
Visit WebsiteCountry: U.S.
Sorbent: Solid sorbent with unknown precise chemical composition.
Regeneration Method: The regeneration technique typically involves heating and applying a vacuum to the sorbents to release the captured CO₂, allowing the sorbents to be reused in the capture process.
Approach to DAC: Global Thermostat uses a proprietary method that involves a solid sorbent system to capture CO₂ from the atmosphere. The process involves passing air through the sorbent, and CO₂ adheres to it. Once saturated, the sorbent is treated to release the captured CO₂.
Visit WebsiteCountry: U.S.
Sorbent: The sorbent used in Aircapture's DAC technology is a proprietary material designed for high CO2 adsorption efficiency under various environmental conditions.
Regeneration Method: The regeneration method involves heating the sorbent in a controlled process to release the captured CO2 for storage or utilization.
Approach to DAC: Aircapture employs modular DAC units that capture CO2 directly from the atmosphere. These units are designed for on-site applications, allowing for the direct integration of captured CO2 into customers’ production processes.
Visit WebsiteCountry: U.S.
Sorbent: structured sorbents
Regeneration Method: Captured sorbents are typically regenerated through heating or applying a vacuum to release the CO₂.
Approach to DAC: DAC primarily captures CO₂ from ambient air using different methods, with notable use of liquid solvents or solid sorbents. CarbonCapture Inc. has developed structured sorbents, which improve efficiency compared to traditional sorbents.
Visit WebsiteCountry: Canada
Sorbent: The company employs advanced membrane materials that selectively capture CO₂ while allowing other gases to pass through.
Regeneration Method: Regeneration of the sorbent is achieved through a low-energy heat exchange process, making it efficient and sustainable.
Approach to DAC: Ionada utilizes a patented modular membrane contactor technology for carbon capture, focusing on post-combustion technologies suitable for industrial applications, especially in marine sectors.
Visit WebsiteCountry: UK
Sorbent: Limestone is the primary sorbent used in the DAC process.
Regeneration Method: The regeneration method involves heating limestone to release captured CO2 and regenerate the sorbent.
Approach to DAC: Origen utilizes a limestone-based direct air capture (DAC) technology.
Visit WebsiteCountry: U.S.
Sorbent: limestone
Regeneration Method: The captured CO2 is regenerated by hydrating the calcium oxide with water to form lime, which absorbs CO2 from the air. The saturated material is then processed in a renewable energy-powered kiln to extract the CO2.
Approach to DAC: Heirloom primarily uses limestone as the sorbent. Limestone contains nearly 50% CO2 by weight. During the CO2 capture process, it converts to calcium oxide (CaO). The captured CO2 is regenerated by hydrating the calcium oxide with water to form lime, which absorbs CO2 from the air. The saturated material is then processed in a renewable energy-powered kiln to extract the CO2.
Visit WebsiteCountry: U.S.
Sorbent: The key sorbents are Bis-iminoguanidines (BIGs), part of the Bis-Iminoguanidine Negative Emission Technology (BIG-NET).
Regeneration Method: Holocene's technology facilitates an efficient and low-temperature regeneration process that allows for continuous operation.
Approach to DAC: Holocene employs a low-temperature, aqueous carbon removal system, leveraging organic chemistry. The technology involves using amino acids and guanidine compounds, specifically Bis-iminoguanidine (BIGs), discovered at ORNL. These compounds absorb CO2 and convert it into an insoluble crystalline salt for easier separation and regeneration.
Visit WebsiteCountry: U.S.
Sorbent: Their technology focuses on physical sorbents that offer low energy consumption.
Regeneration Method: The regeneration method involves a low-temperature thermal process designed to minimize energy use while maximizing CO2 recovery.
Approach to DAC: InnoSepra's DAC technology utilizes physical sorbents with low heats of adsorption, aiming to reduce energy requirements by more than 50% compared to traditional reaction-based systems.
Visit WebsiteCountry: France
Sorbent: Aerleum employs functionalized materials that can both adsorb CO₂ and convert it into synthetic products.
Regeneration Method: The custom-engineered reactor designed by Aerleum employs precision heating, facilitating effective regeneration of the sorbent.
Approach to DAC: Aerleum's technology captures and converts CO₂ in a single reactor using proprietary bifunctional materials and precision heating.
Visit WebsiteCountry: UK
Sorbent: Airhive employs non-toxic metal oxide-based sorbents for capturing CO₂.
Regeneration Method: The carbonated sorbent is regenerated through an electro-calciner process, which involves heating to release pure CO₂.
Approach to DAC: Airhive's DAC technology utilizes fluidised bed systems, adapted from applications in the food and pharmaceutical industries. This system allows rapid CO₂ capture by fluidizing a sorbent, enabling efficient interaction with atmospheric CO₂.
Visit WebsiteCountry: U.S.
Sorbent: The company utilizes a novel class of solid sorbent amines known as DeCarbonHIX, which is coated with copper. This material is designed to offer high durability, significant carbon dioxide adsorption capacity, and low desorption energy requirements.
Regeneration Method: The regeneration of the sorbent is accomplished using low-temperature heat (less than 90°C), markedly reducing energy costs compared to traditional DAC technologies that require higher temperatures.
Approach to DAC: Jeevan Climate Solutions operates a proprietary reactor that allows atmospheric air to pass through specialized sorbent material to capture CO2. The captured CO2 is then released using low-temperature heat and can be compressed for utilization or sequestration.
Visit WebsiteCountry: Canada
Sorbent: Not applicable as the company does not use DAC technology.
Regeneration Method: Not applicable as the company does not employ traditional regenerations methods for sorbents.
Approach to DAC: Kanata Clean Power & Climate Technologies does not engage in Direct Air Capture (DAC) technology. Instead, its focus is on hydrogen and ammonia production, contributing to decarbonization rather than direct CO2 removal from the atmosphere.
Visit WebsiteCountry: Canada
Sorbent: The Kronos system does not specify traditional sorbents but utilizes surplus energy from the pyrolysis process for DAC, potentially offering cost efficiency.
Regeneration Method: Not applicable as BluSky's DAC system does not use traditional sorbents.
Approach to DAC: BluSky combines various methods, including Biomass Pyrolysis, Carbon Mineralization, and uses the Kronos System as a Direct Air Capture (DAC) method that utilizes surplus energy from the pyrolysis process.
Visit WebsiteCountry: France
Sorbent: Common sorbents in DAC include liquid solvents like potassium hydroxide and solid sorbents such as zeolites.
Regeneration Method: Generally, methods include using heat or vacuum to release captured CO2, enabling the reuse of the sorbent material.
Approach to DAC: Air is drawn into the system; ambient air passes over a sorbent that binds CO2; captured CO2 can be stored underground or repurposed.
Visit WebsiteCountry: U.S.
Sorbent: "Verdox uses patterned electrodes with quinone materials as sorbents within their system."
Regeneration Method: "The process involves applying electrical current at specific voltages to facilitate the capture and release of CO₂, enabling efficient regeneration without major heat application."
Approach to DAC: "Verdox combines electrochemistry and organic chemistry for carbon capture, utilizing a technology known as electroswing adsorption (ESA). This method is designed to be more energy-efficient than traditional carbon capture methods, offering potential energy savings of up to 70%."
Visit WebsiteCountry: UK
Sorbent: Our primary sorbent is a proprietary blend of amine-based materials designed for high adsorption capacity.
Regeneration Method: Regeneration is achieved through a combination of thermal and pressure swing processes that ensure sorbent longevity and effectiveness.
Approach to DAC: We utilize advanced technologies to capture carbon directly from the atmosphere, integrating renewable energy sources to optimize efficiency.
Visit WebsiteCountry: U.S.
Sorbent: Yggdrasil Trees utilizes custom-designed sorbents optimized for CO₂ capture efficiency and sustainability.
Regeneration Method: The regeneration method employed includes thermal recycling of sorbents followed by a careful reintroduction of captured CO₂ into the production cycle.
Approach to DAC: Yggdrasil Trees employs direct air capture techniques alongside natural methods of carbon sequestration like reforestation and soil enhancement, integrating technology and nature to maximize carbon credits.
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Sorbent: Solid sorbents.
Regeneration Method: Heat is applied to release captured CO2.
Approach to DAC: Utilizes modular systems with solid sorbents that capture CO2 when cooled and release it when heated.
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Sorbent: Yama utilizes liquid solvents for CO₂ capture, differing from the solid sorbents employed by many other DAC companies.
Regeneration Method: The regeneration of the liquid solvent that captures CO₂ involves a pH and temperature swing process, allowing for efficient recovery.
Approach to DAC: Yama employs a three-step process for DAC: 1. Air Absorption: CO₂ is absorbed from the air using a liquid solvent. 2. CO₂ Desorption: The CO₂ is desorbed through a pH and temperature swing method. 3. Storage or Utilization: Captured CO₂ can either be stored permanently or used in industrial applications.
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Sorbent: The sorbent used is a functionalized amine polymer within a solid material that is characterized as both cheap and eco-friendly, designed for efficient CO2 capture and release.
Regeneration Method: The regeneration method is part of the continuous cycle, maintaining low energy costs.
Approach to DAC: Skyrenu utilizes a novel modular Direct Air Capture (DAC) system that employs a proprietary continuous adsorption/regeneration cycle using monolith sorbent reactors.
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Sorbent: A novel sorbent material designed for effective CO2 capture.
Regeneration Method: The regeneration process involves low-temperature desorption, allowing for rapid sorption and desorption rates, which helps in minimizing overall energy costs.
Approach to DAC: Spiritus employs a novel solid sorbent material that enhances adsorption efficiency. Their technology includes a low-temperature desorption process that significantly reduces energy consumption compared to traditional DAC methods.
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Sorbent: The primary sorbent used is a proprietary blend optimized for maximum CO₂ absorption.
Regeneration Method: Regeneration of the sorbent is achieved through a combination of thermal and chemical processes, ensuring high efficiency and minimal energy use.
Approach to DAC: Stathmos employs Statbox systems, which are capable of capturing up to 1,000 tonnes of CO₂ annually while simultaneously producing clean water. This dual approach allows the company to contribute to both carbon reduction and water accessibility in arid regions.
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Sorbent: Sustaera utilizes a proprietary sorbent material that enhances CO₂ absorption efficiency.
Regeneration Method: The regeneration method involves heating the sorbent to release captured CO₂, which is then compressed for storage or utilization.
Approach to DAC: Sustaera employs advanced Direct Air Capture technology designed to extract CO₂ directly from the atmosphere using innovative filtration processes.
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Sorbent: The company employs globally available, inexpensive, and long-lasting adsorbents.
Regeneration Method: The regeneration method involves using renewable energy sources to heat the sorbent material, allowing for efficient CO₂ release for capture.
Approach to DAC: DACLab has developed a patent-pending core DAC process innovation that combines end-to-end engineered hardware design. The technology is designed to reduce energy needs, maintain low pressure drops, and integrate a unique heat pump system, enabling operation in various environments.
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Sorbent: Cellulose, a common organic material derived from plants.
Regeneration Method: The regeneration method for the sorbent has not been specified. However, typical approaches in DAC often involve heating to release CO₂.
Approach to DAC: South Ocean Air uses cellulose, a common organic material derived from plants, processed into a specially designed molecule that captures CO₂.
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Sorbent: Susteon utilizes high-capacity structured sorbents optimized for CO₂ capture, involving a novel combination of adsorbents and catalysts.
Regeneration Method: The regeneration methods employed include steam heating and Joule heating.
Approach to DAC: Susteon is actively involved in DAC technology, focusing on fundamental research and bench-scale testing of new materials and processes for the continuous capture of CO₂ from the atmosphere and its conversion into valuable products.
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Sorbent: The company utilizes advanced solid sorbents specifically designed for efficient CO₂ capture from ambient air.
Regeneration Method: Specific regeneration methods involve thermal and chemical processes that are optimized for energy efficiency and CO₂ release, allowing for effective re-use of sorbents.
Approach to DAC: Terraform Industries deploys a proprietary technology that integrates systems for hydrogen electrolysis, direct air capture, and methanation, allowing for the conversion of electricity and air into affordable fossil-free natural gas.
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Sorbent: The primary sorbents employed by ZeoDAC are zeolites, which are known for their porous structure and ability to selectively adsorb gases.
Regeneration Method: Zeolites typically can be regenerated using heat or pressure changes.
Approach to DAC: ZeoDAC utilizes zeolites for efficient DAC, aimed at capturing both CO₂ and water from the atmosphere, allowing for rapid scale-up of operations.
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Sorbent: The use of liquid nitrogen suggests a preference for cryogenic methodologies over traditional solid sorbents.
Regeneration Method: The regeneration method involves cooling techniques to capture CO₂, which is then converted into carbon-free power. This approach is intended to support a circular economy by using captured CO₂ to supply baseload power.
Approach to DAC: Atmosfuture has developed a novel DAC solution named REVFRACC, which utilizes liquid nitrogen to liquefy CO₂ and other gases. This method is designed to be cost-effective by avoiding power-intensive processes and generating clean power.
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Sorbent: The technology does not use traditional sorbents; instead, it captures CO₂ by freezing it directly into dry ice.
Regeneration Method: The captured CO₂ is stored in a freezer compartment within the balloon and is converted back into gas when the balloon descends.
Approach to DAC: High Hopes Labs employs an innovative method using balloons that ascend to high altitudes (approximately 15 kilometers) where temperatures can reach around -80°C. At these temperatures, CO₂ freezes into dry ice, facilitating easier capture and making the process more energy-efficient.
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Sorbent: The company utilizes a proprietary sorbent that enhances CO₂ capture efficiency.
Regeneration Method: The regeneration method involves a low-energy process that releases captured CO₂ for reuse or storage.
Approach to DAC: Sosna Metelyk uses a technology termed Passive Direct Air Capture (PDAC) with an embedded solar system called 'SosnaPod' that captures CO₂ from the atmosphere and converts it into fuel, inspired by natural photosynthesis.
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Sorbent: The company employs a proprietary, long-lasting sorbent that does not require steam for desorption and can be reused for thousands of cycles.
Regeneration Method: The sorbent is regenerated using low-temperature waste heat, sourced from nearby industrial processes, significantly reducing energy consumption compared to traditional DAC technologies.
Approach to DAC: 280 Earth's DAC system utilizes a continuous flow process for CO₂ removal, consisting of adsorption and desorption.
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Sorbent: The company utilizes advanced solid sorbents that allow for high-capacity carbon dioxide capture from the atmosphere.
Regeneration Method: Air to Earth employs thermal regeneration methods to efficiently recycle the sorbent materials after capturing CO2.
Approach to DAC: Air to Earth approaches DAC by integrating cutting-edge technology with sustainable practices, aiming to optimize capture efficiency while minimizing energy consumption.
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Sorbent: There is no specific information on the type or chemical composition of sorbents utilized for CO2 capture.
Regeneration Method: Details concerning the regeneration method of any sorbent used are not provided.
Approach to DAC: No specific information is available about the Direct Air Capture (DAC) technologies used by Air View Engineering as the focus seems to be more on research.
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Sorbent: sponge-like substance
Regeneration Method: The CO2 is extracted from the sorbent using heat, which is powered by solar energy, allowing for the continuous regeneration of the sorbent.
Approach to DAC: AspiraDAC employs a solar-powered DAC system that utilizes a sponge-like sorbent to capture CO2 as air passes through it.
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Sorbent: The company employs structured sorbents, developed in collaboration with W.L. Gore & Associates, which enhance efficiency and reduce operational costs compared to traditional sorbent technologies.
Regeneration Method: The regeneration process involves heating the structured sorbents to release captured CO₂, utilizing direct steam to facilitate this process.
Approach to DAC: CarbonCapture uses solid sorbents to capture CO₂ when air is cooled, which is then released when heated. This CO₂ can be stored or used in various sustainable applications.
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Sorbent: The main sorbent used by Mosaic Materials is a proprietary metal-organic framework designed for high selectivity and capacity for CO₂.
Regeneration Method: The regeneration method involves a thermal swing process where the captured CO₂ is released from the sorbent by heating it, allowing for the collection of pure CO₂.
Approach to DAC: Mosaic Materials employs metal-organic frameworks (MOFs) as a central technology to separate CO₂ from different gas mixtures, making it particularly effective for capturing CO₂ from low-purity streams, including direct air capture.
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Sorbent: Sophisticated materials engineered for optimal CO₂ adsorption, reducing the required amount by 80% compared to traditional methods.
Regeneration Method: The regeneration process involves heating the sorbents to release the captured CO₂. The regeneration temperature is lowered to 65°C and the regeneration time is reduced by 90%.
Approach to DAC: NEG8 Carbon utilizes advanced sorbents designed using their patent-pending Electrostatic DAC technology to efficiently capture CO₂ from the air.
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Sorbent: Typical sorbents in DAC systems are designed to selectively bind CO₂ from ambient air.
Regeneration Method: NeoCarbon employs a regeneration method that utilizes waste heat from cooling towers to release the captured CO₂ from the sorbents, thereby reducing the energy costs associated with this process.
Approach to DAC: NeoCarbon's approach involves retrofitting existing cooling towers for CO₂ capture. This significantly reduces both costs and implementation time compared to traditional DAC systems. The method allows for the utilization of waste heat from cooling towers, further decreasing energy expenses associated with the capture process.
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Sorbent: Specific chemicals or materials used as sorbents by Noya have not been disclosed; however, the company is collaborating with Johnson Matthey to enhance sorbent manufacturing, implying they utilize advanced chemical processes for CO₂ capture.
Regeneration Method: Detailed methodologies for the regeneration of the sorbents are not provided. The collaboration with Johnson Matthey likely involves sophisticated regeneration technologies typically seen in DAC systems.
Approach to DAC: Noya is developing modular DAC units that can be mass-produced and deployed globally. They are currently building their first commercial pilot facility, which will help optimize their technology for future large-scale deployments.
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Sorbent: Specific information on the chemical composition of the sorbents utilized by Octavia Carbon has not been detailed. However, their approach involves the use of sorbents that efficiently capture CO₂.
Regeneration Method: The technology leverages geothermal waste heat for heating during the release process.
Approach to DAC: Octavia Carbon utilizes DAC technology that filters CO₂ directly from the atmosphere. The captured CO₂ is then processed and released using heat, which is typically sourced from low-grade waste heat generated by geothermal energy.
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Sorbent: Specific details about the chemical composition and types of sorbents employed by Sirona Technologies have not been fully disclosed. However, they focus on solid sorbents that facilitate efficient CO2 capture.
Regeneration Method: The method of regenerating the sorbent after CO2 capture has not been explicitly detailed in available information.
Approach to DAC: Sirona Technologies is developing an innovative DAC technology that primarily uses solid sorbents as chemical filters to capture CO2 from the air. The captured CO2 can either be stored permanently in geological formations or converted into useful products.
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Sorbent: Advanced polymer-based sorbents with high selectivity for CO2.
Regeneration Method: Thermal regeneration coupled with pressure swing techniques.
Approach to DAC: Orbital Materials develops materials designed for Direct Air Capture (DAC) aimed at removing CO2 from the atmosphere through efficient sorption and desorption processes.
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Sorbent: The technology involves advanced sorbents, specifically designed for high efficiency in CO₂ capture while ensuring low energy usage.
Regeneration Method: The regeneration method typically involves heating the sorbent to enable the release of captured CO₂, followed by a cooling phase to restore the sorbent's capturing ability.
Approach to DAC: Skytree employs a patented modular DAC technology that captures CO₂ from ambient air. This modular design enables rapid deployment and easy maintenance, aiming to be cost-effective and scalable.
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Sorbent:
Regeneration Method:
Approach to DAC: Soletair Power employs modular DAC systems designed for retrofitting into existing HVAC units, making it a scalable and cost-effective solution for businesses aiming to reduce carbon emissions.
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Sorbent: The company employs special adsorbents for capturing CO₂.
Regeneration Method: The regeneration of the adsorbents is achieved through solar-generated heat, allowing the CO₂ to be released effectively.
Approach to DAC: Southern Green Gas utilizes DAC technology to capture CO₂ from the air. The process involves adsorbents that preferentially capture CO₂, which is later released using solar-generated heat.
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Sorbent: A liquid sorbent noted for its ease of handling and scalability, chemical composition is benign and low-cost.
Regeneration Method: The CO₂-rich liquid sorbent is regenerated with low-temperature heat, often sourced from waste steam or geothermal energy.
Approach to DAC: AirMyne utilizes a liquid sorbent noted for its ease of handling and scalability, with transparency and accessibility in their DAC approach.
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Sorbent: The company uses proven materials at moderate temperatures and pressures, which helps keep capital costs lower.
Regeneration Method: The regeneration of the sorbents involves a waterbed regeneration step as part of the TVSA cycle.
Approach to DAC: TerraFixing employs a temperature vacuum swing adsorption (TVSA) cycle, which consists of five unit operations. In this process, CO₂ is captured during the adsorption phase and removed from the adsorbent bed during evacuation. It is specifically designed to function efficiently in cold, dry climates.
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Sorbent: The company employs a proprietary sorbent that efficiently captures carbon dioxide from the air.
Regeneration Method: Regeneration of the sorbent is achieved through a low-energy heat source, ensuring minimal energy consumption.
Approach to DAC: Carbon Collect utilizes a Passive Direct Air Capture (PDAC) system called the MechanicalTree™. This technology captures CO₂ using natural airflow, which eliminates the need for energy-intensive fan systems prevalent in traditional DAC methods.
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Sorbent: The primary sorbent in Giner's DAC process is a concentrated KOH solution that reacts with CO₂ to form potassium carbonate (K2CO3).
Regeneration Method: The potassium carbonate solution is regenerated through a hydrogen-assisted carbonate electrolyzer, which separates the carbonate back into CO₂ gas, aqueous KOH, and hydrogen.
Approach to DAC: Giner is developing an integrated DAC and carbonate electrolyzer system that captures CO₂ from ambient air using a concentrated KOH (potassium hydroxide) solution, which ultimately forms potassium carbonate.
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Sorbent: Our systems utilize a novel amine-based sorbent that has been optimized for high CO₂ capture efficiency.
Regeneration Method: The regeneration method we employ involves thermal treatment to release the captured CO₂, which is then purified for storage or utilization.
Approach to DAC: Decarbon uses proprietary systems for Direct Air Capture. The technology is designed to be modular and scalable for efficient CO₂ sequestration.
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Sorbent: solid sorbents
Regeneration Method: involves moisture and temperature regulation to ensure effective sorbent regeneration.
Approach to DAC: DAC City utilizes a system that captures CO₂ from ambient air, concentrates it, and provides the CO₂ gas to industrial users.
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Sorbent: zeolite
Regeneration Method:
Approach to DAC: Employs zeolite for capturing CO₂ directly from the atmosphere. The process produces concentrated CO₂ and CO₂-free air.
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Sorbent: No traditional sorbents are utilized; the technology leverages the natural chemistry of seawater and minerals to trap CO₂.
Regeneration Method: The process achieves permanent storage of CO₂ by stabilizing it as solid minerals and bicarbonate ions, eliminating the need for conventional sorbent regeneration.
Approach to DAC: The DAC process integrates the capture of atmospheric air through processed seawater to enhance CO₂ absorption and storage.
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Sorbent: Specific sorbents have not been disclosed as the technology is still in the development phase. However, the company hints at a focus on electrochemical methods rather than common sorbents like amines or zeolites.
Regeneration Method: The regeneration of the sorbent is achieved through the application of electricity, as opposed to traditional heat or pressure methods. This is intended to be more energy-efficient and scalable.
Approach to DAC: Holy Grail's technology uses electricity to facilitate a chemical reaction that binds to CO₂. This differs from traditional DAC methods that often rely on temperature or pressure. Their modular and compact approach allows for easy stacking and deployment without needing large-scale infrastructure.
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Sorbent: Karbonetiq does not employ traditional sorbents. Instead, they implement a system that uses waste minerals for the carbon capture process.
Regeneration Method: There is no requirement for sorbent regeneration because the technology operates on a once-through system using waste minerals. This feature significantly cuts down on energy requirements and operational complexities.
Approach to DAC: Karbonetiq utilizes waste minerals to directly and permanently sequester CO₂. This method eliminates the need for traditional sorbents and their regeneration, simplifying the process and lowering costs.
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Sorbent: The company utilizes a proprietary sorbent material designed for high-efficiency capture of CO₂ from the atmosphere.
Regeneration Method: The CO₂ is regenerated using a low-energy thermal process that minimizes the carbon footprint.
Approach to DAC: Carbon Utility employs a modular and scalable electrochemical technology that integrates Direct Air Capture (DAC) with the production of green hydrogen. It operates using renewable electricity and reclaimed water.
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Sorbent: Proprietary sorbent technology that enhances CO₂ capture efficiency.
Regeneration Method: Thermal regeneration process that allows for the reuse of sorbent materials.
Approach to DAC: The specific details of the direct air capture (DAC) process used by Homeostasis are not fully disclosed. However, the focus is on capturing CO₂ and converting it into practical materials like graphite.
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Sorbent: Proprietary polymeric sorbent designed for high CO₂ capture efficiency.
Regeneration Method: Thermal regeneration process that reuses heat from the captured CO₂ to improve efficiency and reduce energy consumption.
Approach to DAC: CarbonAir Energy provides all-in-one devices that capture CO₂ directly from the air and convert it into value-added products. Their devices are adaptable for indoor and outdoor settings and utilize a modular approach to Direct Air Capture (DAC).
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Sorbent: The company utilizes a proprietary sorbent that captures carbon dioxide efficiently from the air.
Regeneration Method: Regeneration is achieved through a low-energy thermal process that allows the sorbent to release captured CO2 for storage or utilization.
Approach to DAC: Hydrocell employs fuel cell technologies for Direct Air Capture to minimize energy input while maximizing CO2 absorption.
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Sorbent: Typically, DAC systems utilize solid sorbents designed to bind CO2.
Regeneration Method: Common regeneration methods for DAC systems involve heating the sorbent to release the captured CO2.
Approach to DAC: The company employs a modular approach to DAC, utilizing scalable units that can be deployed in various environments.
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Sorbent: The company uses an advanced amine-based sorbent designed for high adsorption capacity and low regeneration energy requirements.
Regeneration Method: Regeneration is achieved through a thermal swing process, applying heat to release captured CO₂, which is subsequently reused in the capture cycle.
Approach to DAC: WindCapture integrates the Direct Air Capture (DAC) process with wind turbines, leveraging the motion of the blades to capture CO₂ while generating electricity. This dual approach optimizes energy use and increases the efficiency of carbon capture.
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Sorbent: Engineered reticular materials designed for high efficiency in CO₂ capture, leveraging the unique properties of MOFs and COFs.
Regeneration Method: The regeneration of Atoco's sorbents typically involves heating or other thermal processes, releasing the captured CO₂ and allowing the sorbents to be reused.
Approach to DAC: Atoco utilizes solid-state modules incorporating novel reticular materials (Metal Organic Frameworks - MOFs and Covalent Organic Frameworks - COFs) for the carbon capture process. This technology allows for effective extraction of CO₂ from atmospheric conditions and industrial emissions, achieving a substantial 50% reduction in energy costs compared to prevailing methods.
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Sorbent: The sorbents are spherical and reusable.
Regeneration Method:
Approach to DAC: Spiritus uses a revolutionary solvent designed for more efficient CO₂ capture compared to natural systems (modeled after alveoli in human lungs).
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Sorbent: The sorbent used in the m-DAC technology is a proprietary polymer material that facilitates efficient CO₂ absorption.
Regeneration Method: The regeneration method involves heating the sorbent to release the captured CO₂, allowing the sorbent to be reused for continuous operation.
Approach to DAC: Carbon Xtract employs membrane-based Direct Air Capture (m-DAC) technology. This method utilizes nano-level thin gas separation membranes designed for capturing CO₂ from the atmosphere through small-scale and distributed systems, making it particularly suitable for urban implementation.
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