Abstract: The present invention discloses microporous UZM-5 zeolite membranes, methods for making the same, and methods of separating gases, vapors, and liquids using the same. The small-pore microporous UZM-5 zeolite membrane is prepared by two different methods, including in-situ crystallization of one or more layers of UZM-5 zeolite crystals on a porous membrane support, and a seeding method by in-situ crystallization of a continuous second layer of UZM-5 zeolite crystals on a seed layer of UZM-5 zeolite crystals supported on a porous membrane support. The membranes in the form of disks, tubes, or hollow fibers have superior thermal and chemical stability, good erosion resistance, high CO2 plasticization resistance, and significantly improved selectivity over polymer membranes for gas, vapor, and liquid separations.

Abstract: A method and apparatus for extracting CO2 from air comprising an anion exchange material formed in a matrix exposed to a flow of the air, and for delivering that extracted CO2 to controlled environments. The present invention contemplates the extraction of CO2 from air using conventional extraction methods or by using one of the extraction methods disclosed; e.g., humidity swing or electro dialysis. The present invention also provides delivery of the CO2 to greenhouses where increased levels of CO2 will improve conditions for growth. Alternatively, the CO2 is fed to an algae culture.

Abstract: A separation method and apparatus that separates a component from a feed stream by use of a membrane in which separation is driven, at least in part, by a sweep stream. The sweep stream may be pumped to a supercritical pressure and then heated to at least near supercritical temperature, at least in part, through heat exchange with a component laden sweep stream being discharged from the membrane. A multi-component mixture can also be used that will produce the sweep stream as a vapor as a result of the heat exchange. The component laden sweep stream, due to cooling through the indirect heat exchange, will form a two-phase fluid that can be phase separated into a vapor phase enriched in the component that can be taken as a product and a residual liquid that can be recirculated in the formation of the sweep stream in the liquid state.

Abstract: A control device module for a motor vehicle includes a control device that has a closed housing in which a first internal pressure prevails, and at least one connecting device for coupling a connecting element of an electrical cable. A closed space is defined in the coupled state between the connecting device and the connecting element, in which closed space a second internal pressure prevails. The control device also includes a pressure compensating device for adapting the first and second internal pressures to an external pressure that acts on the control device module from outside.

Abstract: The instant invention generally provides polymer inorganic clay composite comprising a molecularly self-assembling material and an inorganic clay, and a process of making and an article comprising the polymer inorganic clay composite.

Abstract: Disclosed is a method for manufacturing a separator. The method includes (S1) preparing a porous planar substrate having a plurality of pores, (S2) preparing a slurry containing inorganic particles dispersed therein and a polymer solution including a first binder polymer and a second binder polymer in a solvent, and sequentially coating the slurry on the porous substrate through a first discharge hole and a non-solvent incapable of dissolving the second binder polymer on the slurry through a second discharge hole adjacent to the first discharge hole, and (S3) simultaneously removing the solvent and the non-solvent by drying. According to the method, a separator with good bindability to electrodes can be manufactured in an easy manner. In addition, problems associated with the separation of inorganic particles in the course of manufacturing an electrochemical device can be avoided.

Abstract: The invention relates to polymeric ultrafiltration or microfiltration membranes of, for instance, poly(ethylene chlorotrifluoroethylene) (HALAR®), PVDF or PP, incorporating PVME or vinyl methyl ether monomers. The PVME may be present as a coating on the membrane or dispersed throughout the membrane or both. The membranes are preferably hydrophilic with a highly asymmetric structure with a reduced pore size and/or absence of macrovoids as a result of the addition of PVME. The PVME maybe cross-linked. The invention also relates to methods of hydrophilising membranes and/or preparing hydrophilic membranes via thermal or diffusion induced phase separation processed.

Abstract: Disclosed are tetratopic carboxylic acid phenyl for use in metal-organic framework compounds. These compounds are useful in catalysis, gas storage, sensing, biological imaging, drug delivery and gas adsorption separation.

Abstract: The present invention discloses microporous aluminophosphate (AlPO4) molecular sieve membranes and methods for making and using the same. The microporous AlPO4 molecular sieve membranes, particularly small pore microporous AlPO-14 and AlPO-18 molecular sieve membranes, are prepared by three different methods, including in-situ crystallization of a layer of AlPO4 molecular sieve crystals on a porous membrane support, coating a layer of polymer-bound AlPO4 molecular sieve crystals on a porous membrane support, and a seeding method by in-situ crystallization of a continuous second layer of AlPO4 molecular sieve crystals on a seed layer of AlPO4 molecular sieve crystals supported on a porous membrane support.

Abstract: Hydrogen-producing fuel processing systems, hydrogen purification membranes, hydrogen purification devices, fuel processing and fuel cell systems that include hydrogen purification devices, and methods for operating the same. In some embodiments, operation of the fuel processing system is initiated by heating at least the reforming region of the fuel processing system to at least a selected hydrogen-producing operating temperature. In some embodiments, an electric heater is utilized to perform this initial heating. In some embodiments, use of the electric heater is discontinued after startup, and a burner or other combustion-based heating assembly combusts a fuel to heat at least the hydrogen producing region, such as due to the reforming region utilizing an endothermic catalytic reaction to produce hydrogen gas.

Abstract: A porous carbon membrane has as a loaded component water, alcohol, ether, or ketone loaded on a surface or in a pore, or on the surface and in the pore thereof. The carbon membrane has the loaded component preferably having a molecular weight of 100 or less. The carbon membrane has the loaded component preferably being linear alcohol or linear ether. The carbon membrane has the loaded component preferably being at least one selected from methanol, ethanol, n-propanol, and n-butanol. There is provided a carbon membrane having high separation performance and little change in the separation performance with the passage of time.

Abstract: A filter assembly for use in sidestream gas sampling assembly. The filter assembly of the present invention includes a hydrophilic. The filter further includes a Hydrophobic member positioned downstream of the hydrophilic liner. The hydrophobic disk acts as a second line of defense against moisture reaching the sensing mechanism member that is constructed from a porous material and is situated such that gas entering the filter assembly passes through at least a portion the hydrophilic member. In a further embodiment, the filter includes a hydrophobic member positioned downstream of the hydrophilic member. The hydrophobic member acts as a second line of defense against moisture reaching the sensing mechanism in the gas sampling assembly.

Abstract: The invention relates to a method for purifying a specific gas stream containing one or more components to be recovered, one or more impurities to be eliminated and one or more poisons, for a unit for separation by means of permeation, including the following steps: a) in a unit for separation by means of absorption, separate from said unit for separation by means of permeation, the specific gas stream is placed in contact with one or more liquid solvents suitable and intended for selectively absorbing said poisons in order to obtain at least one first gas stream depleted of said poisons and a second liquid stream; and b) said first gas stream produced in step a) is separated in said unit for separation by means of permeation, at a specific absolute pressure P, into at least one third gas stream depleted of impurities and a fourth stream; the separation performed in step a) being carried out at an absolute pressure of between 50% and 200% of said specific absolute pressure P.

Abstract: Method for processing an article comprising mixed conducting metal oxide material. The method comprises contacting the article with an oxygen-containing gas and either reducing the temperature of the oxygen-containing gas during a cooling period or increasing the temperature of the oxygen-containing gas during a heating period; during the cooling period, reducing the oxygen activity in the oxygen-containing gas during at least a portion of the cooling period and increasing the rate at which the temperature of the oxygen-containing gas is reduced during at least a portion of the cooling period; and during the heating period, increasing the oxygen activity in the oxygen-containing gas during at least a portion of the heating period and decreasing the rate at which the temperature of the oxygen-containing gas is increased during at least a portion of the heating period.

Abstract: A ventilation member (1A) includes: a gas permeable membrane (2); a support body (3) for supporting the gas permeable membrane (2); and a sealing element (4). The support body (3) has: a main portion (31) having a front surface (31a) on which the gas permeable membrane (2) is attached and a back surface (31b) for pressing the sealing element (4) against a housing (6); and a plurality of leg portions (32) to be inserted into an opening (61) and each having a hook (33) at its end. The main portion (31) has, at positions corresponding to the hooks (33) in the direction in which the leg portions (32) are inserted, through-holes (37) through which the hooks (33) are exposed as seen from the side of the front surface (31a) of the main portion (31).

Abstract: A gas separation process for treating flue gases from combustion processes, and combustion processes including such gas separation. The invention involves routing a first portion of the flue gas stream to be treated to an absorption-based carbon dioxide capture step, while simultaneously flowing a second portion of the flue gas across the feed side of a membrane, flowing a sweep gas stream, usually air, across the permeate side, then passing the permeate/sweep gas to the combustor.

Abstract: Disclosed are processes for preparing conductive glass-ceramic membranes and methods of using them in hydrogen or proton separation.

Abstract: The present invention provides a membrane element, a gas separation device, and an internal combustion engine capable of improving gas separation performance. A gas separation device 1 including membrane elements 2 includes rigid members 32 arranged in a direction intersecting folds of a pleated structure 26 in open regions R1 and R2 of the pleated structure 26 surrounded by a reinforcement frame 27. The open regions R1 and R2 are each separated into a supply region and an exhaust region of gas by an elastic epoxy resin adhesive S provided between the rigid member 32 and the pleated structure 26.

Abstract: GC-MS analysis apparatus has an interface section between GC and MS sections, which is located with respect to the direction of an analyte flow downstream of the GC section and upstream of the MS section. The interface section comprises at least one membrane with at least one orifice capable of establishing a molecular flow condition in the analyte passing between the GC and MS sections through the membrane. The membrane is subjected to a pressure differential such that the pressure pa in a region located upstream of the membrane is higher than the pressure pb in a region located downstream of the membrane.

Abstract: A process for separating a gas mixture in a separation unit of the type in which the gas mixture comes from a reaction unit and comprises, as main constituents, hydrogen (H2) and/or carbon monoxide (CO).

Abstract: A filter having two drain valves piloted by an electro-pneumatic valve. A check valve may be provided to by pass the filter. A membrane filter housing may include vanes extending into a reservoir in which the membrane filter extends. Also, one of the circumferential recesses of the bore for the membrane filter is in the reservoir.

Abstract: A process for preparing a membrane comprising the steps of providing a composition comprising a polymerizable compound having at least 25 oxyethylene groups and at least two non-substituted vinyl groups, applying the composition to a support thereby forming a continuous layer on the support, and polymerizing the composition thereby forming a non-porous polymer film. Also claimed are the resultant membranes and their uses, e.g. for separating polar and non-polar gases.

Abstract: Sulfur contaminants, such as elemental sulfur (S8), hydrogen sulfide and other sulfur components in fluids (e.g., air, natural gas, and other gases, as well as water and other liquids) are removed using a silicone-based chemical filter/bath. In one embodiment, a silicone-based chemical filter includes a membrane having a cross-linked silicone that is a reaction product of an olefin and a polyhydrosiloxane. For example, sulfur contaminants in air may be removed by passing the air through the membrane before the air enters a data center or other facility housing computer systems. In another embodiment, a silicone-based chemical bath includes a housing having an inlet port, an outlet port, and a chamber containing a silicone oil. For example, sulfur contaminants in air may be removed by passing the air through the silicone oil in the chamber before the air enters a data center or other facility housing computer systems.

Abstract: A hydrogen purifier utilizing a hydrogen-permeable membrane to purify hydrogen from mixed gases containing hydrogen is disclosed. Improved mechanical support for the permeable membrane is described, enabling forward or reverse differential pressurization of the membrane, which further stabilizes the membrane from wrinkling upon hydrogen uptake.

Abstract: This invention relates to filtration assemblies and methods of installing filtration units in filtration assemblies. Filtration assemblies may include first and second end pieces, at least one filtration unit between the first and second end pieces, and at least one alignment rod arrangement. The alignment rod arrangement may extend between the end pieces and align the filtration units and the end pieces.

Abstract: A composite membrane material characterized by comprising a hydrogen-permeable membrane which is selectively permeable to hydrogen and is formed by rolling to a thickness of 30 ?m or less which is difficult for the membrane by itself to retain its shape, and a shape-retention mesh which is disposed on at least one side of the hydrogen-permeable membrane and is composed of a wire of a high-melting metal which does not cause thermal diffusion into the hydrogen-permeable membrane, wherein the hydrogen-permeable membrane and the shape-retention mesh are superposed and subjected to a pleat processing in a non-bonded state so that they are separable and the hydrogen-permeable membrane has a surface area increased at least 3 times per unit area. This material is used to constitute a hydrogen separation element.

Abstract: Provided is an apparatus and method for filtration using osmosis, which induce osmotic pressure and allow separation of pure fluid by using the reduced osmotic pressure as an energy source, and thus carry out filtration without any additional energy supply.

Abstract: The invention relates to a method for achieving low oxygen levels in a natural gas stream without the use of a catalytic system. In one embodiment, the method comprises: membrane treatment for the removal of the bulk of CO2 and oxygen in the natural gas feed and the addition of a PSA system using a carbon molecular sieve adsorbent for the adsorption of residual oxygen.

Abstract: A water trap (1) improved with respect to handling and operational safety includes: two semipermeable membranes (2) and at least one tank (7), wherein the membranes have a water penetration pressure greater than 750 hPa and are made of the same or different PTFE laminates. The gas flow is divided in a ratio between 10:90 and 25:75 into the flush-/purge branch and analysis branch to the sensors (12) and a path parallel to the sensors (12), respectively, with the aid of the membranes and downstream filter elements and via the material and configuration.

Abstract: A method of making a crosslinked polyimide membrane is described. A monoesterified membrane is formed from a monoesterified polyimide polymer. The monoesterified membrane is subjected to transesterification conditions to form a crosslinked membrane. The monoesterified membrane is incorporated with an organic titanate catalyst before or after formation of the monoesterified membrane. A crosslinked polyimide membrane made using the aforementioned method and a method of using the membrane to separate fluids in a fluid mixture also are described.

Abstract: A method of oxygen enrichment in which a gaseous mixture containing O2 molecules and N2 molecules is provided to a feed side of a SAPO molecular sieve, oxygen enrichment membrane having pore sizes suitable for discriminating between O2 molecules and N2 molecules, resulting in selective transport of the O2 molecules through the membrane to a permeate side of the membrane. Also disclosed is a method for producing the membrane.

Abstract: An object is to provide a vent plug having a structure in which an air-permeable membrane is unlikely to be damaged. More specifically, a vent plug is produced, which includes: a cylindrical member 1 having a through-hole 1a; a support 2 connected to the cylindrical member 1 so as to be across the through-hole 1a; and an air-permeable membrane 3 circumferentially attached to the cylindrical member 1, wherein the air-permeable membrane 3 is held on the support 2 and a convex portion 3a that follows the shape of the support 2 is formed on the air-permeable membrane 3.

Abstract: A method for producing membranes which contain at least one solid layer on one side of a porous substrate by treating the side of the support, which is to be coated, with a synthetic solution that forms the solid layer. The inventive method is characterized in that the space located behind the side of the porous support, which is not to be coated, is filled with an inert fluid during the production of the solid layer on the porous support, “behind” being from the perspective of the support. The pressure and/or the temperature of the fluid is/are selected such that the synthetic solution is essentially prevented from entering in contact with the side of the porous support, which is not to be coated.

Abstract: A method for processing pre-combustion syngas includes, in an exemplary embodiment, providing an absorber unit having a membrane contactor having a plurality of micro-pores, channeling pre-combustion syngas along a first surface of the membrane contactor, channeling an amine based solvent along a second opposing surface of the membrane contactor, and contacting the solvent with the syngas such that the solvent and the syngas contact at gas-liquid interface areas, defined by the plurality of micro-pores in the membrane contactor, to separate CO2 from the flue gas by a chemical absorption of CO2 into the solvent to produce a solvent containing CO2.

Abstract: An accessory filter for enhancing the operation of a HVAC panel filter, the HVAC panel filter having a peripheral frame that is receivable in a filter mount of a forced air HVAC system. The accessory filter includes a filter sheet having planar dimensions matching the frame; and adhesive attached near the edges of the filter sheet operable to adhere the filter sheet to the frame. The filter sheet has a thickness substantially thinner than that of the HVAC panel filter. The filter sheet thickness allows the HVAC panel filter and the accessory filter to coextensively fit in the filter mount.

Abstract: A CO2-facilitated transport membrane of excellent carbon dioxide permeability and CO2/H2 selectivity, which can be applied to a CO2 permeable membrane reactor, is stably provided. The CO2-facilitated transport membrane is formed such that a gel layer 1 obtained by adding cesium carbonate to a polyvinyl alcohol-polyacrylic acid copolymer gel membrane is supported by a hydrophilic porous membrane 2. More preferably, a gel layer supported by a hydrophilic porous membrane 2 is coated with hydrophilic porous membranes 3 and 4.

Abstract: A device for securing an emission control element by a gastight seal within an exhaust system, and a device to secure loose hardware within an exhaust system. The device for securing the emission control element includes a structure that surrounds the emission control element and a structure that pushes against the emission control element. The structure that pushes against the emission control element uses a system of angled grooves and pushing means to create a force that holds the emission control element in place. The device to secure loose hardware includes a length of wire, the end of which is formed into a loop around the body of the hardware.

Abstract: Devices and systems for capturing and removing accumulated gas bubbles in a liquid-carrying line wherein the device is an expanded double-layered chamber designed and adapted to be integrally placed within the flow pathway of a liquid-carrying line. The device allows insertion of tubes and wires through the device while in use without occlusion of the fluid flow path and without interruption of the bubble-removing function. The efficiency of the air venting and bubble-removing process is not dependent on the fluid flow rate under stable flow conditions, and the device works to remove air bubbles under a range of orientations.

Abstract: Disclosed herein are processes for producing a CO2-depleted product gas stream. The processes involve feeding a natural gas feed stream comprising greater than about 10 vol % CO2 to at least one membrane unit comprising a plurality of polymer membranes to provide a CO2-rich permeate comprising at least 95 vol % CO2 and a CO2-depleted product gas stream. The polymer membranes comprise a crosslinked polyimide polymer having covalent ester crosslinks and have a CO2 permeance of at least 20 GPU and a CO2/CH4 selectivity of greater than 20, at 35 degrees C. and a feed pressure of 100 psia. Also disclosed herein is an apparatus incorporating the crosslinked polyimide polymer for producing a CO2-depleted product gas stream from a natural gas feed stream.

Abstract: Purified SiHCl3 and/or SiCl4 are used as a sweep gas across a permeate side of a gas separation membrane receiving effluent gas from a polysilicon reactor. The combined sweep gas and permeate is recycled to the reactor.

Abstract: A gas separation membrane module has a vessel housing a hollow fiber element including a hollow fiber bundle consisting of a number of hollow fiber membranes (1) and a tube sheet (2) holding one end of the hollow fiber bundle. The interior of the vessel is partitioned by the tube sheet (2) into two spaces consisting of a raw gas chamber and a permeate gas chamber. A high-pressure mixed gas is fed into the raw gas chamber where gas separation is carried out. The gas separation membrane module has a configuration where during operation, the tube sheet (2) is supported by means of a perforated plate (8) in the vessel by a pressure from the mixed gas fed to maintain airtightness between the two spaces and when the tube sheet (2) receives a pressure in the reverse direction to that applied during the operation of the gas separation membrane module, the tube sheet (2) is forced to move within the vessel by the pressure in the reverse direction, thereby losing airtightness between the two spaces.

Abstract: A vertically directed dryer unit (10) for compressed air, comprising a dryer cartridge (22) which, together with a housing (16, 18, 20), defines an inlet head area (92) and an outlet head area (72). A plurality of hollow membrane fibers (30) extend inside the cartridge between the two head areas, the wall material thereof being more permeable with respect to water vapor than air. An outlet valve (90) is provided between the outlet head area (72) and an outlet (74) of the drier unit. Said valve only opens when the pressure in the outlet head area (72) produces sufficient pressure for the provision of purging air. The purging air is fed to the outer surface of the membrane fibers (30) via a throttle element (70).

Abstract: A process for forming a porous nanoscale membrane is described. The process involves applying a nanoscale film to one side of a substrate, where the nanoscale film includes a semiconductor material; masking an opposite side of the substrate; etching the substrate, beginning from the masked opposite side of the substrate and continuing until a passage is formed through the substrate, thereby exposing the film on both sides thereof to form a membrane; and then simultaneously forming a plurality of randomly spaced pores in the membrane. The resulting porous nanoscale membranes, characterized by substantially smooth surfaces, high pore densities, and high aspect ratio dimensions, can be used in filtration devices, microfluidic devices, fuel cell membranes, and as electron microscopy substrates.

Abstract: The present invention relates to systems and methods for dehumidifying air by establishing a humidity gradient across a water selective permeable membrane in a dehumidification unit. Water vapor from relatively humid atmospheric air entering the dehumidification unit is extracted by the dehumidification unit without substantial condensation into a low pressure water vapor chamber operating at a partial pressure of water vapor lower than the partial pressure of water vapor in the relatively humid atmospheric air. For example, water vapor is extracted through a water permeable membrane of the dehumidification unit into the low pressure water vapor chamber. As such, the air exiting the dehumidification unit is less humid than the air entering the dehumidification unit. The low pressure water vapor extracted from the air is subsequently condensed and removed from the system at ambient conditions.

Abstract: The present invention relates to a membrane wherein said membrane comprises a continuous non-porous layer comprising a polymerized composition that comprised prior to polymerization at least one type of compound having a molecular weight of at least 1500 Da and comprising at least 75 weight % of oxyethylene groups and at least two polymerizable groups each comprising a non-substituted vinyl group. The invention further relates to the use of this membrane for separating polar gases and vapors.

Abstract: The present invention relates to a membrane wherein said membrane comprises a polymerized composition that comprised prior to polymerization at least one type of compound comprising at least 70 oxyethylene groups and at least two polymerizable groups. The invention further relates to the use of this membrane for separating polar gases and vapors.

Abstract: A container having a plurality of walls, and at least one inlet and/or outlet, said container including an apparatus for controlling the composition of gases within the container, the apparatus including at least one sensor, at least one controller and at least one gas permeable membrane, through which membrane different gases can pass at different rates, said membrane dividing the container into a first region being for holding cargo and a second region defining a gas buffer region, and said membrane being permeable permitting for nitrogen, oxygen and carbon dioxide at different flow rates, wherein the buffer region is in communication with the ambient atmosphere through one or more vacuum pump(s).

Abstract: A Pd alloy membrane and method of making are described.

Abstract: A device for use in a fluid system includes a fuel channel for receiving fuel having dissolved gas therein. A gas permeable membrane supported by a porous support, the gas permeable membrane in communication with the fuel channel. A gas-removal channel adjacent the gas permeable membrane for receiving the dissolved gas from the fuel through the gas permeable membrane and the porous support.

Abstract: A gas removal device 1 includes a decompression chamber 2 with an inlet 11 and an outlet 12 through which a liquid to be degassed flows therein and thereout, and a degassing element 5 that is accommodated in the decompression chamber 2 while having one end connected to the inlet 11 and another end connected to the outlet 12, and that allows the liquid to be degassed entering into the inlet 11 to pass through the degassing element 5. The degassing element 5 includes a tube bundle 15 composed of a plurality of flexible gas-permeable tubes 151, and a tying member 16 tying the plurality of gas-permeable tubes 151 to form the tube bundle 15. The tube bundle 15 is bent in a shape of coil with multiple turns in such a manner that a portion tied by the tying member 16 is included in a bent portion BP.