74 results about "Sorption" patented technology

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.

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.

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 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.

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 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.

Provided is a method and apparatus for separating carbon dioxide from exhaust gas containing carbon dioxide and easily regenerating a sorption solution. In a sorption tank 2, exhaust gas containing carbon dioxide is contacted with a sorption solution to provide an aqueous metal carbonate solution. The aqueous metal carbonate solution is transferred to a desorption tank 3. Under a condition of reducing the desorption tank 3 pressure, ultrasonic waves are radiated onto the aqueous metal carbonate solution to desorb carbon dioxide from the aqueous metal carbonate solution and regenerate the sorption solution. The regenerated sorption solution is transferred to the sorption tank.

Systems and methods are provided for integrating direct air capture of carbon dioxide with capture of carbon dioxide from a point source. The systems and methods can include exposing an adsorbent to a low CO2 content gas flow (e.g., air) at conditions similar to ambient conditions to perform an initial amount of sorption of CO2. The initial sorption results in a partially loaded sorbent having a first sorbent loading. The partially loaded sorbent can then be exposed to a flue gas and / or other gas flow that contains a higher CO2 content. This allows a second sorption step to be performed using a higher CO2 content gas, resulting in an additionally loaded sorbent having a second (higher) sorbent loading. The sorbed CO2 can then be desorbed from the sorbent.

The present invention relates to a process for preparation of dual functional materials (DFMs) that exhibit both catalytic activity and CO2 sorption capacity, specifically designed for blue H2 production via sorption-enhanced steam methane reforming. Process for preparation of dual functional materials (DFMs) consisting the CO2 sorbent, calcium oxide (CaO) derived from biowaste resources, including snail shells, seashells, or eggshells, while nickel (Ni), derived from nickel nitrate hexahydrate, serves as the catalyst. The dual functional materials (DFMs) are prepared by combining the catalyst and sorbent through various methods, including wet mixing (WM), wet impregnation (WI), and the sol-gel (SG) method. Comparative studies demonstrated that the combined sorbent-catalyst composition (CSCC) synthesized through WI exhibits superior performance in terms of both CH4 conversion and H2 purity compared to those derived through WM and SG methods.

The invention relates to hydrometallurgy of rare metals, in particular, to lithium sorption recovery from natural brines and wastewaters. The method comprises introducing a feed lithium-containing brine to a sorption-desorption concentrating module in a form of a vertical column filled with an inorganic sorbent being a chlorine-containing lithium aluminum double hydroxide. After sorption, the lithium saturated sorbent is washed with 27% ammonium chloride solution in the amount of 80-150% of the sorbent volume in the column and flowing through the column in the direction reverse to the direction of the feed brine flow. Then lithium desorption from the sorbent is performed with desalinated water to obtain a lithium enriched solution containing ammonium chloride impurities, which is then evaporated followed by ammonium chloride sublimation from the dry mixture. The effect of the invention is the reduced lithium losses with the washing solution and increased purity of the target product (LiCl concentrate).

A system comprising a vacuum chamber 110 and a sorption device 120, comprising a sorption medium 130, and a cooling element 140 which provides a temperature of less than 30 Kelvin. the cooling element

Systems and methods are provided for regenerating a bed containing absorbed and / or adsorbed CO2 using a low value steam stream. The steam stream can have a pressure of 10 kPa-a to 50 kPa-a and a temperature of 46° C. to 81° C. The steam stream can be used to displace CO2 from the bed, resulting in formation of a low pressure stream including water vapor and CO2. The stream containing water vapor and CO2 is then passed through a liquid ring pump that includes an associated ring cooler. The ring pump provides the suction necessary to draw the low value steam stream through the bed to displace the CO2. Due to the nature of operation of the liquid ring pump, the majority of water in the steam containing H2O and CO2 can be removed within the liquid ring pump, resulting in production of a stream comprising 90 vol % or more of CO2 at a pressure of 90 kPa-a or more. An example of a bed that can be regenerated using a low value steam stream is a bed that corresponds to a liquid amine that is coated on / covering / impregnated into a porous solid, so that the liquid amine remains substantially in place during a cycle of sorption and desorption of CO2.

The utility model relates to an adsorption type cold trap which comprises a shell, a cooling inner container and a first net plate, an air inlet is formed in the lower portion of the shell, an air outlet is formed in the upper portion of the shell, the cooling inner container is located in the shell and fixedly connected with the shell, a cooling cavity is formed in the cooling inner container and communicated with a liquid inlet and a liquid outlet respectively, and the first net plate is arranged in the cooling inner container. The first screen plate is located in the shell and fixed to the shell in position, and the first screen plate is located above the cooling inner container. Waste gas is subjected to low-temperature adsorption and adsorption particle adsorption twice, so that the dust content in the waste gas is greatly reduced, dust deposited on the inner wall of a pipeline is reduced, and the pipeline between a dry pump and waste gas treatment equipment is prevented from being blocked; the detection medicament in the net cylinder is observed through the transparent lens to judge whether the adsorption particles need to be replaced, and the operation is simple and convenient; and the mounting cylinder sleeves the outer side of the cooling liner, and the mounting cylinder can be integrally taken out of the shell to be cleaned, so that the cleaning is more convenient, and meanwhile, the cleaning effect is improved.

The proposed invention relates to a method for extracting lithium from lithium-containing solutions, including natural brines and waters, process solutions and wastewater from various industries. Proposed is a method for obtaining a lithium concentrate from a lithium-containing solution, which includes a sorption step that comprises passing a lithium-containing solution through a sorbent for extracting lithium from lithium-containing solutions which is based on a chlorine-containing form of an aluminium-lithium double hydroxide, and a desorption step, wherein the sorption step is preceded by a step for removing iron and manganese from the lithium-containing solution, and the sorbent used in the sorption step does not have paramagnetic properties. The technical result of the claimed invention is that of improving the sorption-based process of lithium extraction.

The present invention relates to a system (100) for dry sorption. The system comprises a gas inlet (130) through which exhaust gas from processing industry is flowing into the system (100), a velocity increasing device which is arranged downstream of the gas inlet (130), and a reaction chamber (140) is arranged downstream of the velocity increasing device. The exhaust gas is brought into contact with the sorbent from a sorbent distributor (150) in the reaction chamber (140), wherein the velocity increasing device is a booster (110) and comprises a plurality of resistances to the flow of gas for creation of a turbulent flow of exhaust gas at the outlet of the booster for enhanced sorption. Further, the present invention0relates to a method for cleaning exhaust gas from processing industry utilizing the system (100) for dry sorption.

A CO2 separation module (18) for a CO2 separation device for separating CO2 from a supplied gas stream (14), in particular an air stream (14) from an environment, is presented, comprising a stacked arrangement with a plurality of air-permeable plate layers (42) and air-permeable sorption layers (44), which are arranged alternately and adjacent to each other along a stacking direction (46), wherein adjacent air-permeable plate layers (42) form clamping points (48), between which an air-permeable sorption layer (44) is clamped.

The present application is generally directed to gas storage materials such as activated carbon comprising enhanced gas adsorption properties. The gas storage materials find utility in any number of gas storage applications. Methods for making the gas storage materials are also disclosed.

The utility model relates to the field of nuclear energy and is intended for the purification of circulating fluoride salt melts in molten salt reactor installations, including those implementing the thorium fuel cycle. The method includes taking a portion of the circulating melt from the main circulation circuit of the reactor, directing said portion of the melt through a bypass line into a sorption-filtration module, passing the melt through a filter layer and returning the purified melt back to the circulation circuit. Filtration is carried out through a sorption-filtration material based on modified diatomite with a porosity of 60–85% and a pore size of 5–200 µm, formed as granules, porous blocks, or multilayer filtration cassettes. The technical result consists of increasing the purification efficiency of the circulating fluoride salt melt due to the simultaneous mechanical retention of solid particles and the sorption binding of colloidal impurities. The utility model was developed within the framework of the implementation of the scientific and technical program IRN BR24993225 for program-targeted financing of the Science Committee of the Ministry of Science and Higher Education of the Republic of Kazakhstan for 2024–2026.

A method for optimizing at least one process parameter of a separation process for at least one target substance from at least one impurity using a chromatography system, comprising the steps of: a) providing a set of preliminary system-specific parameters suitable for describing the concentration transport of at least one target substance and at least one impurity in a preliminary chromatography system using a system-specific transport model, wherein the preliminary chromatography system does not include any chromatography column but includes a column shortcut; b) providing a set of preliminary column-specific parameters suitable for describing the concentration transport of at least one target substance and at least one impurity in only a preliminary chromatography column containing a preliminary chromatography matrix using a column-specific transport model; c) using an sorption model, the set of preliminary system-specific parameters, and the set of preliminary column-specific parameters to optimize at least one process parameter of the separation of at least one target substance into or from a preliminary chromatography matrix contained in a preliminary chromatography column. A step of determining a set of sorption-specific parameters suitable for describing the adsorption and / or desorption of one target substance and at least one impurity, wherein the preliminary chromatography system includes the preliminary chromatography column of step b) instead of the column shortcut of step a), d) a set of system-specific parameters suitable for describing the concentration transport of at least one target substance and at least one impurity in the chromatography system using a system-specific transport model, wherein the chromatography system does not include any chromatography column but includes a column shortcut, e) a set of column-specific parameters suitable for describing the concentration transport of at least one target substance and at least one impurity in chromatography columns including a chromatography matrix using a column-specific transport model, f) the following parameters: using the set of system-specific parameters of step d), the set of column-specific parameters of step e), and the set of sorption-specific parameters of step c),A step for optimizing at least one process parameter in silico, wherein the chromatography system includes a step of step e) with a chromatography column instead of a column shortcut in step d), and the sum of the volume of the chromatography system without any chromatography column and the volume of the chromatography column is different from the sum of the volume of the spare chromatography system without any chromatography column and the volume of the spare chromatography column.

The present disclosure relates to an air treatment unit (100) comprising an adsorbent medium (20) having a first side (21), a second side (22) opposite the first side (21), and at least one peripheral side (23), the adsorbent medium (20) comprising a corrugated panel (24) forming a channel (25) extending through the adsorbent medium (20) from the first side (21) to the second side (22), characterized in that the air treatment unit (100) comprises at least one section (26) of an adsorbent medium with a solid powder coating (30) on at least one of said first side (21) and said second side (22).

The present invention relates to a sorption means (1) for reversibly adsorbing CO2, comprising a) a rollable sorbent carrier (8) and b) a sorbent (6), wherein the sorbent (6) is disposed on a surface (3) of the sorbent carrier (8) and is designed to reversibly adsorb CO2, and wherein the sorbent carrier (8) has a diameter (D) in a range of from 0.5 cm to 20 cm.

The present disclosure relates to a sewage treatment device, comprising: a device body having a reaction cavity inside, and provided with a water inlet and a water outlet pipeline; a membrane assembly accommodated in the reaction cavity, and separating a first chamber and a second chamber from the reaction cavity, and the water outlet pipeline being communicated to the first chamber, and the water inlet being communicated to the second chamber; biological filler having electric conductivity, and configured to be suspended and filled in the second chamber; and an electro-sorption assembly provided on a side of the membrane assembly close to the second chamber, and keeping a gap between the membrane surface of the membrane assembly and the electro-sorption assembly, and the electro-sorption assembly being configured to adsorb charged deposits accumulated on the membrane surface of the membrane assembly in an electrified state. The sewage treatment device provided by the present disclosure can improve the sewage removal capacity and solve the membrane pollution problem.

An atmospheric water harvesting system includes: a set of operational sections including a sorbing subset of operational sections and a desorbing subset of operational sections, each including a sorbent chamber; a condensing subsystem defining a condenser inlet; a valve subsystem; a heating subsystem configured to heat the sorbent chambers; a fluid transport subsystem configured to direct fluid flow through the sorbent chambers; and a controller. The controller is configured to: operate the valve subsystem to direct a sorption flow from the chamber outlet to an exhaust outlet and direct a desorption flow from the chamber outlet to the condenser inlet; and concurrently execute a desorption phase and a sorption phase wherein a numeric ratio of the sorbing subset of operational sections to the desorbing subset of operational sections is based on a duration ratio of the sorption phase to the desorption phase.

The present invention is directed to a sorbent for CO2, comprising a shaped body (i) made of at least one metal oxide and at least one silicon-containing filler (F) which differs from the at least one metal oxide, and at least one sorption agent (ii) for CO2, with which the shaped body (i) is functionalized, wherein the at least one silicon-containing filler (F) comprises silicon-containing fibers and / or silicon-containing platelets. The invention also relates to the preparation of this sorbent, and to the use of this sorbent as a fixed-bed sorbent in the chemisorption of CO2.

The present invention addresses to a method that uses surface-active surfactants ionic liquids (ILs) with an affinity for water to capture CO2, especially ILs derived from surfactants, of low production cost, fluoride-free, causing a low environmental impact in its use and high yield of CO2 sorption. The CO2 sorption method consists of contacting a gas mixture with at least one of the described ILs, at the working temperature, pressure and partial pressure of CO2. The removal of CO2 is done by pressure reduction. ILs can be reused without loss of efficiency.

A method is proposed for operating a CO2 separation device (10) for separating CO2 from a supplied gas stream (14), in particular an air stream (14) from an environment, comprising at least one chamber (16) for receiving a CO2 separation agent (19) for a CO2 separation process, in particular a sorption process, and a CO2 release process, in particular a desorption process, wherein CO2 released by the release process is cooled and subsequently recirculated back into the chamber (16) to cool the CO2 separation agent (19) for the following CO2 separation process.

The invention relates to a method and system for gas-phase CO2 reduction using a composite electrolyte comprising an ionic liquid incorporated within a mesoporous host matrix. The composite electrolyte functions as a dual sorbent for CO2 and H2O while providing ionic conductivity, facilitating the electrochemical reduction of CO2 directly from a gas stream. The method involves sorption of CO2 into the composite electrolyte, followed by electrochemical reduction at an interface with a catalyst. The system integrates the composite electrolyte into a sorbent-catalyst assembly), enabling efficient CO2 reduction and simplifying the system architecture by combining sorption and conduction in one material.

The invention relates to a sorption filter (10) for sorbing and / or desorbing at least one substance for use in a sorption system (100), comprising a plurality of filter segments (12, 12a-12d), each of which comprises at least one sorption layer (26) comprising sorption material (28) and at least one support layer (22) for the sorption material (28), and at least one connecting segment (14, 14a-14e), which connects two filter segments (12, 12a-12d) to one another.