242 results about "Sorption" patented technology

The invention relates to a system (10) for separating a gas and / or humidity from the ambient air (11). The system comprises a flow generator (24) for conveying the ambient air (11) through the system (10), a process chamber (12) for drying the ambient air (11), and / or a process chamber (30) for separating a gas, in particular carbon dioxide (70), from the ambient air (11). A sorption element (16, 36) with a sorbent material (18, 38) for binding humidity from the ambient air (11) and / or for separating a gas, in particular carbon dioxide (70), from the ambient air (11) is arranged in the process chamber (12, 30). It is provided that the second sorption element (34) has a plurality of heatable sorption cells (60 - 68) which are arranged in at least two different cascades (50-58) in the direction of flow of a gas stream (72) through the second process chamber (30), and at least two heating elements (40, 41), wherein at least one heating element (40, 41) is assigned to each cascade (50-58), and wherein the cascades (50-58) are sequentially supplied with ambient air (11), so that the waste heat of the sorption cells (60) of the first cascade (50) is transferred to the sorption cells (62) of the second cascade (52).

Systems and methods for modeling gas desorption in a subterranean reservoir include measuring a gas sorption parameter using a crushed core sample from the subterranean reservoir; computing a gas storage capacity of the subterranean reservoir at an initial reservoir pressure based on the gas sorption parameter; generating a three-dimensional (3D) distribution of total organic carbon (TOC) in the subterranean reservoir; estimating a 3D distribution of original adsorbed gas in place of the subterranean reservoir by correlating the gas storage capacity with the 3D distribution of TOC; and predicting the amount of gas desorbed from the subterranean reservoir as the reservoir is depleted.

Monolith structures coated with porous solids are provided that can serve as structural materials for amine sorbents, such as polyamine sorbents. By using monolith structures that are coated with suitable porous solids, the sorption capacity of an amine sorbent material that is deposited on the monolith coated with the porous solid can be substantially maintained as the loading density of the amine is increased. This can allow for higher productivity sorption systems by allowing higher concentrations of amine to be effectively used while still substantially maintaining the favorable sorption characteristics of the amine sorbent.

The present invention relates to a method and an apparatus for obtaining CO2 from a gaseous medium, in particular ambient air, using a CO2 separation device comprising a CO2 scrubber with a gas supply and a gas discharge, a sorbent supply at an upper end of the CO2 scrubber, and a first intermediate tank for receiving a CO2-enriched sorbent from the CO2 scrubber; and an electrodialysis device for separating CO2 into a release medium. The method comprises enriching the sorbent with CO2 in the CO2 scrubber, supplying the CO2-enriched sorbent to the first intermediate tank, removing a first portion of the enriched sorbent from the first intermediate tank to the electrodialysis device, and returning a second portion of the enriched sorbent from the first intermediate tank to the CO2 scrubber.The process is designed to be carried out continuously, semi-continuously, or in batches.

The disclosure describes an article for removing undesired chemical ions or compounds from gas and fluid streams when the stream comes into contact with the article. The article is a porous polymeric matrix having a sorption particle within the porous polymeric matrix structure, the sorption particle is capable of removing the undesired chemical ion or compound.

A novel synthetic crystalline molecular sieve material called boron SSZ-121 is provided. Boron SSZ-121 can be synthesized using 1,3-bis(1-adamantyl)imidazolium cation as a structure directing agent. Boron SSZ-121 can be used in organic compound conversion reactions and / or sorption processes.

A method (100) for desorbing CO2 sorbed onto a sorbent is proposed, wherein the sorbent is arranged in a separation chamber (14) of a CO2 separation device (10), comprising the steps of: - generating a negative pressure in the separation chamber (14) by means of a pump unit to remove atmospheric oxygen and subsequently desorbed CO2 from the separation chamber (14); - metering liquid water into the separation chamber (14) under negative pressure by means of a water metering unit (30) depending on a residual amount of atmospheric oxygen in the separation chamber (14) such that the liquid water in the separation chamber (14) evaporates to displace the residual amount of atmospheric oxygen from the separation chamber (14);and- heating the sorbent during the generation (106) of the vacuum by means of a temperature control unit, in particular an electric temperature control unit and / or a temperature control circuit, in order to desorb the sorbed CO2 from the sorbent.;

Technologies and techniques for producing a sorption element for removing carbon dioxide from ambient air. The method includes providing a carbon dioxide-binding starting material and a binder, mixing them to form a homogeneous mixture, and either molding the mixture into a sorption structure or coating a support structure with the mixture. The sorption structure or coated support structure is then thermally treated to solidify and / or chemically activate the sorbent material. The disclosed method enables the production of highly efficient sorption elements with enhanced thermal and electrical conductivity, which improve adsorption and desorption processes. The disclosure also includes systems and apparatus configured to perform this method, offering reduced material usage, improved energy efficiency, and customizable geometries for diverse applications.

Amorphous silica-alumina support materials are provided that can serve as supports for polyamines. The silica-alumina support materials have a combination of properties that unexpectedly allow supported polyamines to retain an increased or maximized amount of CO2 sorption capacity after incorporation of substantial amounts of the polyamine on the support material. This combination of properties can include having a high pore volume, a high ratio of mesopore volume to micropore volume, and a sufficiently high acidity. The ability to allow supported amine sorbents to retain additional CO2 sorption capacity is unexpected. Additionally, the relationship between having sufficiently high acidity and providing improved sorption capacity for a supported amine material is unexpected.

A falling film heat exchanger, a falling film plate heat exchanger, a falling film shell and tube heat exchanger, and a sorption heat pump or chiller are described. The falling film heat exchangers are equipped with a capillary structure featuring capillary grooves or ribs. These grooves or ribs are oriented perpendicular to the flow direction of the falling film, ensuring a lateral distribution of the fluid along the grooves. A heat exchanger whose heat exchange surfaces are equipped with such a capillary structure guarantees effective wetting of the heat exchange surface even with just a few inlet points of the spray system. The inlet point is defined as the point at the top of the heat exchange surface where the fluid is brought into contact with the surface and subsequently flows down.In addition to improving the degree of wetting, the capillary structure also increases the effective heat exchanger surface area, leading to a further increase in heat transfer.

This paper describes a sorption material comprising zeolite particles with a hydrophobic coating. Furthermore, it describes a method for producing this sorption material, its use, and a method for the sorption of carbon dioxide.

The disclosure provides a system and method for absorbing clean heat, storing it at ambient temperature for transport or delayed use, and regenerating with high exergetic efficiency. The system and method can capture high quality heat at high temperatures from a source such as nuclear, concentrated sunlight, or geothermal, store that energy in chemical bonds at ambient temperature, and regenerate the heat at the same or similar temperatures. By storing at ambient temperature, the process allows heat to be transmitted over great distances or held long term with minimal losses. The chemical reaction uses the Boudouard reaction with metal carbonate and catalyst to generate a higher heat than a typical Boudouard reaction. The sensible heat that is lost in conventional steam piping by heat transfer to the environment can be reduced or replaced with the present invention that transports chemical heat at ambient temperatures with little sensible heat loss.

The proposed invention relates to the field of lithium extraction. Proposed is a method for obtaining a lithium concentrate from a lithium-containing solution by sorption, which includes: a sorption stage that entails passing a lithium-containing solution through a sorbent for lithium extraction; a sorbent washing stage; and a desorption stage. At the sorbent washing stage, a washing fluid containing spent raffinate and / or spent eluate is used, wherein the spent raffinate is a solution drawn from the first 0.4-1.5 column volumes of a solution produced at the sorption stage as a result of contact between the lithium-containing solution and the sorbent, and the spent eluate is a solution drawn from the fourth, fifth, sixth, seventh or eighth column volumes of a solution produced at the desorption stage as a result of contact between a desorbing solution and the sorbent. The technical result of the claimed invention consists in a reduction in the volume of lithium recycled with the washing solution, an increase in the purity of the lithium concentrate, a reduction in the amount of lithium lost with the washing solution, and an improvement in the washing of the sorbent without detriment to the mechanical integrity thereof.

The present invention relates to a novel split level sorption refrigeration system. In particular, the present invention provides a split level sorption based unit as a novel method of using the traditional sorption based refrigeration unit. The present invention offers orientation free configuration with efficient cooling power delivery to the various cooling load locations which is achieved by splitting the evaporator of the sorption chiller from the sorption beds and the condenser.

The invention relates to a method for producing a sorption material (10) on the basis of functionalized graphene aerogels and to the resulting sorption material (10). The method comprises the production of a water-based gel (18), the extrusion thereof and subsequent freeze-drying. The sorption material (10) is suitable for use as a sorption element in adsorption processes, in particular for separating carbon dioxide from ambient air.

An air duct system with a sorption material has a blocking and guiding system which allows a normal operating state of the air duct system without use of the sorption material and a sorption state. The sorption state helps to reduce the drying time and the energy consumption. The air duct system is used in a domestic appliance, such as a laundry dryer or a dishwasher for laundry. The water released during the regeneration of the sorption material can be used for the next washing cycle. Furthermore, a method of operating the air duct system and a computer program for a domestic appliance are disclosed.

Heat dissipation device (104) for an electronic cooling system (100) with an electronic component (102) which generates heat in response to receiving an electric current, wherein the heat dissipation device (104) comprises: a housing (106) that is attached to the electronic component (102) and absorbs heat from the electronic component (102), wherein the housing (106) has a surface (108) that defines a chamber (110); a first liquid (116) which is contained in the chamber (110) of the housing (106) and receives heat from the housing (106), wherein the first liquid (116) has a first boiling temperature; a sorption material (120) immersed in the first liquid (116); and a second liquid (124) which is adsorbed by the sorption material (120) and has a second boiling point which is higher than the first boiling point of the first liquid (116); wherein the first liquid (116) evaporates to a first vapor (118) when the first liquid (116) reaches the first boiling temperature; and wherein the second liquid (124) is desorbed from the sorption material (120) when the second liquid (124) and the sorption material (120) reach a desorption temperature below the second boiling temperature, and wherein the second liquid (124) evaporates to a second vapor (120) when the second liquid (124) reaches the second boiling temperature.

A CO2 separation device (10) for separating CO2 from a supplied gas stream (12), in particular an air stream (12) from an environment, is proposed, comprising at least one sorption chamber (14) for the temporary holding of bulk CO2 sorbents (16a) to sorb the CO2 from the supplied gas stream (12), in particular an air stream (12), and a desorption chamber (18) for the temporary holding of the CO2-enriched bulk CO2 sorbents (16b) to desorb the CO2 from the bulk CO2 sorbents (16b), wherein the bulk CO2 sorbents (16a, b) are circulated in a circuit (20) through the sorption chamber (14) and the desorption chamber (18), and wherein a conditioning unit (26) is provided for reducing a degree of pollution and / or for adjusting a total proportion of the CO2 in the The cycle (20) circulating free-flowing CO2 sorption agent (16a, b) is provided.

A battery safety system for controlled, active gas release. The battery safety system includes a sorption element configured to absorb chemical compounds generated during gas release events, such as those caused by aging, leakage, or accidents. The system further includes a sensor or indicator configured to monitor the saturation state of the sorption element. Methods of using the battery safety system are also disclosed, including monitoring the saturation of the sorption element to ensure continued functionality and safety of the system. The use of the battery safety system in battery-powered transportation devices, household appliances, and large-scale electrochemical storage systems is also disclosed. Additionally, the use of a sensor or indicator for monitoring the saturation of sorption elements in battery systems is provided.

The present invention discloses a sorbent-enhanced process of storing and releasing compressed gas. This process comprises the steps of providing an adsorbent solid in an interior of a pressurizable container, compressing gas, preferably air, to provide a compressed gas. The process further comprises supplying said compressed gas to the adsorbent in said pressurizable container and allowing said gas to adsorb to the adsorbent under pressure. It also comprises storing said compressed gas in the pressurizable container and releasing said compressed gas and adsorbed gas from the pressurizable container to drive a mechanical device. The present invention further discloses a plant for storing and releasing compressed gas, a process of storing gas at pressure, and an adsorbent material composition.

The disclosed technology encompasses novel methods, systems, and materials for the efficient recycling and upgrading of carbon dioxide containing streams and their conversion into high purity methane and ultra-high purity methane. In various embodiments, the methods comprise utilizing a reactor equipped with both a sorbent and catalyst; supplementing the incoming stream with appropriate amounts of hydrogen to fully convert the carbon dioxide; initiating flow of the incoming stream in the sorbent-enhanced catalysis reactor; removing contaminants like nitrogen with sorption or reactors; drying the gas; and finally injecting the gas into the infrastructure of industrial process for the gas. Notably, the reaction of carbon dioxide with hydrogen gas to yield methane takes place at a temperature substantially consistent with the desorption stage on the catalytic unit. This invention represents a significant advancement in carbon upgrading processes, offering a highly efficient and reliable method for producing high purity methane and ultra-high purity methane.

The invention relates to a device (1-1, 1-2) for manometric gas-sorption analysis and for determining the solid density of a material. The device (1-1, 1-2) comprises a temperature-controlled region (2), a dosing system, at least one calibrated dosing volume (3, 3a, 3b), a pressure-measuring system (4, 4a, 4b), which is connected to the calibrated dosing volume (3, 3a, 3b) and has at least one pressure sensor, and a connection (15) for connecting a gas-sorption measuring cell (20a), as well as the gas-sorption measuring cell (20a), which is releasably connected to the connection (15) and is intended for receiving a first sample (21a). The dosing system is formed with a dosing element (9a), an inert-gas connection (10), a measuring-gas connection (11) and a vacuum-pump connection (12). The at least one calibrated dosing volume (3, 3a) is connected to the connection (15) for connecting the gas-sorption measuring cell (20a). The device (1-1, 1-2) also comprises a density-measuring cell (20b) for receiving a second sample (21b). The density-measuring cell (20b) is connected to the at least one calibrated dosing volume (3, 3b). The at least one calibrated dosing volume (3, 3a, 3b) and the density-measuring cell (20b) are arranged within the temperature-controlled region (2). The invention also relates to a combined method of manometric gas-sorption analysis for characterizing a material and determining the solid density of the material using the device (1-1, 1-2).

A dishwasher includes a sorption drying device in which a heater is disposed in a linear air flow path extending in a downward inclination angle, at least a portion of air that has passed through the linear air flow path collides with a bottom surface of a moisture absorbent receiving portion and thus is introduced to a lower side of the moisture absorbent, so that a separate means for flow distribution is omitted, and heated air through the heater is evenly introduced to the moisture absorbent at a minimized flow resistance.

The present invention relates to a sorption can, and prevents erroneous cutting of a sorption can housing at the time of recirculation of the sorption can. A sorption can (10) is provided with: a sorption can housing (11) formed by attaching a cover (30) that closes an opening on the other side to a housing main body (20) that is in a cylindrical shape and has an opening on one side closed; a sorption material (13) filled in the sorption can housing; a holding plate (14) provided in the housing main body in a manner that is movable in a surface direction and holds the sorption material; and a spring (16) interposed between the cover and the holding plate and exerts a force on the holding plate in a direction that presses the sorption material. The cover has a link portion (33) that is in a cylindrical shape and is cuttable in a direction orthogonal to an axis, between a support plate portion (31) that supports the spring and an engagement portion (32) that engages with a flange portion (20a) of the housing main body. A discrimination portion (26) that indicates a cut area (R) of the link portion is provided on an outer peripheral surface of the housing main body.

The invention relates to a method for operating a system for producing alcohols and / or hydrocarbons using electrical energy which is particularly generated from renewable resources. According to the invention, water is extracted from the surrounding air by means of a carbon dioxide sorption unit.

Disclosed are methods, systems and non-transitory computer readable memory for onsite wastewater treatment and reuse. For instance, a wastewater treatment system may include a collection tank configured to receive and store wastewater; a membrane filtration system connected to and receiving wastewater from the collection tank; a sorption unit receiving permeate effluent from the membrane filtration system; and a disinfection unit downstream of the sorption unit.

An active catalyst for ammonia synthesis is provided that is integrated in a composition or complex with a dedicated sorbent such that the catalyst portion and sorbent portion are in direct intimate contact, which overcomes the thermodynamic limits for conversion. The sorbent may include a metal halide absorbent, zeolite absorbent, other material absorbent or absorbent to capture ammonia in close molecular contact or near molecular contact with the catalyst in the production of ammonia, where the composition / complex may be provided in the form of a granular or pill structure. By removing the ammonia substantially while forming the ammonia, the forward reaction for producing the ammonia can continue with little attenuation, such that high net conversion is achieved in a single pass or accumulation within the segmented reactor while operating in series.

The invention relates to a method for producing a sorption material (10) based on functionalized graphene aerogels, as well as the resulting sorption material (10). The method comprises the production of a water-based gel (18), its extrusion, and subsequent freeze-drying. The sorption material (10) is suitable as a sorption element in adsorption processes, in particular for the separation of carbon dioxide from the ambient air.

A novel entrochemical array (ECA)-based regenerator system incorporates two or more entrochemical amplifiers (EAs) connected to each other in a unique "ring" configuration to provide spontaneous regeneration of highly deliquescent salts and / or liquid draw solutions using an environmental heat as the primary heat source. The novel "ring" configuration of the EAs in the ECA-based regenerator accommodates an energy-efficient and environmentally-friendly heat circulation around the ECA, and removes a solvent from a draw solution to restore a higher concentration state of the draw solution. The efficient and environmentally-friendly regeneration of the draw solution from the novel ECA-based ring regenerator enables low-cost and robust operations and maintenance of sorption-based energy systems. Furthermore, a uniquely-novel aspect of an ECA-based ring regenerator is its ability to use lower concentration solutions to regenerate higher concentration solutions, or to use a single solution to concentrate a quantity of itself spontaneously.

The present invention relates to chemical technology, and more particularly to granular aluminium hydroxide-based sorbents which can be used for recovering lithium from lithium-containing solutions. The aim of the present invention is to support the extraction of lithium from solutions using a durable and effective granular lithium recovery sorbent based on polyvinyl chloride and a chlorine-containing species of an aluminium-lithium double hydroxide. The proposed technical solutions allow a sorbent based on a polyvinyl chloride binder to retain its integrity during storage, transportation, dwell time in lithium recovery equipment and use, the sorbent further having a high sorption capacity and supporting a high rate of sorption and desorption.