472 results about "Air capture" patented technology

A system and method for, removing carbon dioxide from a carbon dioxide laden gas mixture, the system comprising a group of carbon dioxide removal structures moving along a closed curve track. At one location along the track is located a desorption or regeneration box, into which each capture structure passes in order to be regenerated. The majority of the CO2 removal structures are fed ambient air, or an admixture of ambient air with a minor portion of a flue gas, and exhaust CO2-lean air. At least one selected such removal structure within each group, at a location immediately preceding its entry into the capture structure, is fed a flue gas comprising at least 4% CO2 by volume. A method for removing carbon dioxide from the atmosphere is provided utilizing a system operating in the same manner as the preceding system.

A direct air capture (DAC) system for capturing carbon dioxide (CO2) from a dilute gas source includes a gas-liquid contactor subsystem and a wash water regeneration subsystem. The gas-liquid contactor subsystem includes a capture section, a wash section, and at least one fan to produce a CO2-rich capture solution in the capture section and a used wash water stream in the wash section. The wash water regeneration subsystem is in fluid communication with the at least one gas-liquid contactor subsystem. The wash water regeneration subsystem receives at least a portion of the used wash water stream, regenerates the wash water stream, and flows the regenerated wash water stream to the wash section. The DAC system can include a capture solution regeneration subsystem receiving at least a portion of the CO2-rich capture solution, regenerate the CO2-rich capture solution, and flow the regenerated CO2 capture solution to the capture section.

A direct air capture (DAC) of CO2 system includes a reaction reactor having a solid, amine-functionalized sorbent configured to sequester CO2 from air; an in-situ dual-function device configured as a CO2 conversion reactor and an exchange fluid regeneration device; and the exchange fluid, recirculating between the reaction reactor and the dual-function device, configured to capture the sequestered CO2 from the solid sorbent in the reaction reactor and release the captured CO2 in the conversion reactor, the exchange fluid including one or more amino acids.

A direct air capture (DAC) facility for capturing carbon dioxide (CO2) from atmospheric air is disposed on a plot of land having a prevailing wind direction and includes at least one contactor wall formed from a plurality of gas-sorbent contactors positioned side by side and a regeneration facility in communication with the plurality of gas-sorbent contactors The at least one contactor wall is disposed on the plot of land and extends along a wall axis parallel to the prevailing wind direction. Each gas-sorbent contactor of the plurality of gas-sorbent contactors includes a housing including a plurality of structural members; at least one air inlet and at least one air outlet;  a gas-sorbent interface; and at least one fan. The regeneration facility is configured to process the CO2-rich sorbent and to regenerate the CO2-rich sorbent to form a regenerated sorbent for the plurality of gas-sorbent contactors.

This invention relates to materials, methods, and systems for carbon dioxide (CO2) capture. More specifically, this invention relates to materials, methods, and systems for removing, capturing, separating, and / or adsorbing carbon dioxide (CO2) from a gas mixture. Additionally, this invention relates to materials, methods, and systems for direct air capture (DAC) of CO2 from ambient air. This invention also relates to materials, methods, and systems for direct air capture (DAC) and methanation of CO2 from ambient air.

This invention provides processes and systems for the regeneration of a supported sorbent material for use indirect air capture of carbon dioxide from air. The process comprises the steps of introducing a stream of regenerating gas or vapour to the supported sorbent in a first direction thereby defining an axis of flow; and collecting the stream of regenerating gas or vapour and recycling it through the supported sorbent at least one or even multiple further times, wherein the supported sorbent comprises an amount of adsorbed carbon dioxide that is released upon exposure to the stream.

Systems and methods for direct air capture of carbon dioxide or other gases utilize a calcium sorbent in a manner that allows for wide scale, relatively low cost implementation. In particular, a calcium sorbent may be provided as a substantially thin coating on one or more substrates and utilized for direct air capture of carbon dioxide through chemisorption. The carbonated sorbent may be disposed of for sequestration of the carbon dioxide or regenerated with capture of carbon dioxide released from the carbonated sorbent during the regeneration process.

A sorbent article is described including a sorbent region, a desorbing media region, and a selective barrier layer positioned at least between the two regions. Also described are methods of forming the sorbent article and methods of using the sorbent article for the purpose of swing adsorption, including for direct air capture (DAC) of carbon dioxide. The selective barrier layer may be impermeable to water and water vapor to protect the sorbent region. The sorbent article may be collapsible, wherein the selective barrier layer collapses into an adsorptive configuration to maximize access to the sorbent region during adsorption and expand into a desorptive configuration to maximize access to the desorbing media region during desorption.

An integrated system for adsorbing carbon dioxide (CO2) in the air is described. The system includes: an adsorber that adsorbs the CO2 from the air using a sorbent; and a desorber, coupled to the adsorber, that desorbs the adsorbed CO2 from the sorbent (e.g., in an energy-efficient manner, such as without using steam) into an output of the system. In contrast with other approaches, the system may continuously move the sorbent, as an ensemble, through the system. Thus, the system may concurrently (and continuously) perform adsorption and desorption. Moreover, the sorbent may include a cost-effective and robust free-standing bulk solid. This may allow the sorbent to be used in multiple cycles or transits through the system. Furthermore, after the multiple cycles, the sorbent may be replaced while the system is operating, and the used sorbent may be recycled for subsequent reuse in the system.

Disclosed herein are a direct air capture (DAC) device and a control method thereof. The DAC device includes a plurality of contactor elements aligned relative to one another to facilitate uniform drying and having a plurality of intervals positioned between the contactor elements such that each contactor element defines a contactor volume and each interval defines an interval volume. The total volume of the DAC device is determined by the contactor volume and the spacing volume such that the DAC device can be modified to: (a) reduce the total volume of the contactor elements to facilitate desorption of one or more components of the feed stream; (b) increasing the total volume of the contactor elements to facilitate adsorption of one or more components of the feed stream.

Systems and methods for direct air capture of carbon dioxide or other gases utilize a calcium sorbent in a manner that allows for wide scale, relatively low cost implementation. In particular, a calcium sorbent may be provided as a substantially thin coating on one or more substrates and utilized for direct air capture of carbon dioxide through chemisorption. The carbonated sorbent may be disposed of for sequestration of the carbon dioxide or regenerated with capture of carbon dioxide released from the carbonated sorbent during the regeneration process.

Systems and methods of direct air capture are described. Systems include a plurality of moving adsorber panels in a linear direction (or circular configuration) and one or more fans configured to move air across the adsorber panels; such adsorber panels may be oriented vertically or horizontally, relative to the ground. Systems may include an independent regeneration box that comprises a system of headers, ducts and valves configured to deliver and remove a plurality of gases to the regeneration box. The regeneration box contains multiple chambers such that steps such as oxygen removal and panel cooling may be performed independently from and simultaneously to thermal preheating and desorption of the CO2 on the panels. The desorption panels may be configured to achieve counter-current flow to the hot gases used for thermal preheating and desorption. A multi-stage heat pump may facilitate reuse of waste heat and decarbonization of the process heating requirements.

A system includes a sensor at a first location proximate a polluting system to collect environmental data of a first type and an energy consumption monitoring platform at the first location to generate energy consumption data associated with the polluting system. The system includes a controller coupled to the sensor and the monitoring platform to direct communication of environmental data and energy consumption data to a remote computing server. A direct air capture (DAC) system at a second location removes a selected pollutant from ambient air and isolates a concentrated form of the pollutant as a raw material. A derivative product creation (DPC) system at a third location produces a derivative product from the raw material. The remote computing system accumulates pollutant credits based on removal of the selected pollutant by the DAC system and dissipates pollutant credits based on some of the energy consumption data.

The invention relates to the technical field of CCUS, and discloses an offshore sandstone CCUS technology optimization method and system and computer equipment. The offshore sandstone CCUS technology optimization method comprises the steps that an offshore area with a sandstone layer is obtained, an offshore platform is established, and direct air capture equipment is arranged on the offshore platform; a novel amine-containing absorbent is adopted to absorb carbon dioxide in the air which is directly absorbed by the air capturing equipment; the absorption tower adopts a composite material and a coating structure; fluid dynamics simulation software is adopted to calculate air flow and liquid flow in the carbon capture process, simulation data are analyzed, and fluid distribution in the tower and the tower body structure are optimized; conveying the extracted carbon dioxide to a geologic structure under a seabed of a storage place through a pipeline for sealing and storing; and evaluating the potential influence on the marine ecosystem by adopting an ecological model and environment simulation software, and generating an influence report. The carbon dioxide capturing and storing efficiency and safety can be improved, and meanwhile the influence on the environment is minimized.

A direct air carbon capture filter and a method. The direct air carbon capture filter (200a, 200b) includes a porous material (202) that removes solid particulates from the air; and a sorbent (204), attached to the porous material (202), that removes carbon dioxide from the air. The method (400) includes the processing of the direct air carbon capture filter (200a, 200b), where the processing is at least one of releasing of CO2 from the direct air carbon capture filter (200a, 200b), a disposing of the direct air carbon capture filter (200a, 200b), or a repurposing of the direct air carbon capture filter (200a, 200b). The unit includes a heat source to release the CO2 from the direct air carbon capture filter (200a, 200b) and a fan to direct the CO2.

A method for producing carbon negative supplementary cementitious materials utilizing a carbon mineralization-based direct air capture process. One version of the method comprises pre-treating a mineral feedstock with an alkaline solution, resulting in a pre-treated feedstock and an alkaline solution comprising dissolved alumina or silica. The pre-treated feedstock has enhanced carbonation reactivity in the subsequent carbon mineralization-based direct air capture process. Another version of the method comprises post-treating precipitates yielded from carbon mineralization-based direct air capture process of a mineral feedstock with an alkaline solution, resulting in a residue and an alkaline solution comprising dissolved alumina or silica. The alkaline solutions resulted from the pre- and post-treatments can be directly used as supplementary cementitious materials, or as a sorbent solution for carbon capture.

The present invention relates to the use of a mycelium of a mycelium-forming fungal culture as a sorbent in a CO2 separation device, in particular a direct air capture system.

The invention relates to an anti-riot capturing net gun unmanned aerial vehicle with multi-angle capturing capability. The unmanned aerial vehicle comprises a flight control unit, a sensing prediction unit, a strategy generation unit, an execution control unit and a vector emission unit. The flight control unit is used for autonomously controlling the flight attitude and trajectory of the unmanned aerial vehicle and outputting flight attitude parameters and trajectory data; the perception prediction unit combines the parameters with the multi-modal sensor data to identify the target object and predict the motion trail of the target object; the strategy generation unit generates an optimal interception window and direction and outputs an interception direction instruction and interception time sequence information; the execution control unit controls a target steering cabin in the vector transmitting unit based on the information, and transmits a transmitting control instruction in a specified time window; and the vector transmitting unit adjusts the direction of the cabin body according to the instruction and transmits a net gun to realize air capture of a high-dynamic target. The unmanned aerial vehicle has high flexibility and multi-angle quick response capability, and is suitable for target control and capture in a complex environment.

Fabricating a composite for direct air capture of carbon dioxide includes soaking an activated carbon material in an aqueous solution that includes potassium carbonate to yield an infused activated carbon material, removing the infused activated carbon material from the aqueous solution, drying the infused activated carbon material to yield a dried activated carbon material, and equilibrating the dried activated carbon material in air for a length of time, thereby increasing the porosity of the dried activated carbon material to yield the composite for direct air capture of carbon dioxide.

A modular structure accommodating structured sorbent in a parallel plate arrangement for the separation of gases, such as the removal of CO2 from air in a direct air capture process is provided. The modular structure includes individual units which act as support structures for the sorbent, and the individual units can be assembled into a larger bed of arbitrary dimensions. The sorbent includes parallel plates through which fluid can flow in many directions (at least two perpendicular directions), with additional features in the support structure that mitigate bypassing effects and reduce parasitic thermal mass. A method for integrating sensors into the bed to understand the performance of the bed in gas separation while minimizing damage to the structure or disruption to performance is also provided.

An adsorption segment (304) includes a filter plate (414) including a filter layer (602), the filter layer (602) including a first mesh (604) having a first thickness, the first mesh (604) defining a plurality of first flow passages through the first thickness, the plurality of first flow passages selected to allow passing through an air flow (122), a second mesh (606) having a second thickness, the second mesh (606) defining a plurality of second flow passages through the second thickness, the plurality of second flow passages selected to allow passing through the air flow (122), the second mesh (606) bonded with the first mesh (604) to define a plurality of pockets (608), each pocket (608) separated from the remaining pockets (608), a sorbent (610) positioned in each pocket (608) and selected to adsorb carbon dioxide from the air flow (122), and a frame (402), the filter plate (414) being folded in the frame (402).

A separation station (1) comprising a plurality of separation units (34) for separating carbon dioxide and / or water vapor from ambient air, each separation unit (34) having at least one continuous sealing peripheral wall surrounding at least one cavity (24) in the circumferential direction, said at least one continuous sealing peripheral wall defining an upstream opening (35) and an opposite downstream opening (36), said cavity (24) preferably containing at least one gas adsorption structure (25) for adsorbing said at least one gaseous component under ambient pressure and / or ambient temperature conditions, said plurality of separation units (34) being arranged in at least one substantially vertical collector device wall structure (2) surrounding a single common separation station cavity (21) in the lateral direction, said separation station cavity (21) being covered and closed at the upper side by at least one cover unit (1) provided with at least one air propulsion device (10).

A sorbent for direct air capture of CO2 includes a porous amine-functionalized polymeric material including a backbone and a plurality of side chains having amine groups branching from the backbone, the backbone including a rigid crosslinker having crosslinker groups, a ratio of the crosslinker groups to a total number of monomer repeating units in the polymeric material is about 0.1 to 0.4 such that the polymeric material's internal surface area is about 10 to 500 m2 / g.

A metal-organic framework (MOF) material for selective direct air capture of carbon dioxide includes a UiO-66-X MOF. X is covalently bonded to UiO-66. The X may be an aminosilane with one or more primary or secondary amine groups. A method of making the UiO-66-X. A method for capturing carbon dioxide directly from a CO2 containing gaseous composition.

Apparatuses and methods for providing carbon dioxide direct air capture (DAC) systems to improve energy efficiency, operability, and economic performance of DAC technologies based on several types of approaches including temperature swing adsorption (TSA), pressure swing adsorption (PSA), and moisture swing adsorption (MSA) are disclosed. In particular, DAC apparatuses including a first water extraction unit, a process unit comprising a second water extraction unit, a carbon dioxide capture unit, and a water release unit are disclosed. The present disclosure also provides a logic control system for a preconditioner for the proposed DAC apparatus, including a controller, and one or more control elements in communication with the fluid streams, where the controller is configured to adjust temperature, water content, or combination thereof of the second fluid stream, third fluid stream, or both to pre-determined ranges based on the cost to capture carbon dioxide on a net removal basis.

A method for producing carbon negative supplementary cementitious materials utilizing a carbon mineralization-based direct air capture process. One version of the method comprises pre-treating a mineral feedstock with an alkaline solution, resulting in a pre-treated feedstock and an alkaline solution comprising dissolved alumina or silica. The pre-treated feedstock has enhanced carbonation reactivity in the subsequent carbon mineralization-based direct air capture process. Another version of the method comprises post-treating precipitates yielded from carbon mineralization-based direct air capture process of a mineral feedstock with an alkaline solution, resulting in a residue and an alkaline solution comprising dissolved alumina or silica. The alkaline solutions resulted from the pre- and post-treatments can be directly used as supplementary cementitious materials, or as a sorbent solution for carbon capture.

Systems and methods for an atmospheric carbon dioxide removal system are disclosed herein. The system may include a carbon capture vessel including a container, one or more sorbent subcontainer, a sorbent material, and a heating element. The container may include a first outer sidewall and a first hollow interior. Each sorbent subcontainer may be disposed within the first hollow interior and may include a second outer sidewall defining a second hollow interior. The sorbent material may be disposed within the second hollow interior of each sorbent subcontainer. The heating element may be disposed within the container and around one or more sidewalls of a sorbent subcontainer. The heating element may be arranged to heat the sorbent material within the second hollow interior.

In one aspect, a sorbent filter (300) for use in direct air capture of Carbon Dioxide includes a first support (306), a second support (308), a first mesh (310), and a second mesh (312), a frame (314) defined by the first support (306), second support (308), the first mesh (310) and the second mesh (312), a cavity (322) within the frame (314) defined by a gap between the first mesh (310) and second mesh (312), a sorbent filter media (304), where the cavity (322) is filled with the sorbent filter media (304) and a flow is directed through the sorbent filter media (304).

The present invention relates to a method for operating a CO2 separation device (100; 200), in particular a direct air capture system (100; 200), comprising a desorption step for desorbing CO2 from a sorbent (2) present in an adsorption or desorption chamber (1), wherein the desorption step comprises applying a negative pressure to the adsorption or desorption chamber (1) and displacing the atmosphere in the adsorption or desorption chamber (1) containing CO2 and H2O, such that a molar ratio of CO2 to H2O is more than 50%.