Abstract: A gas filter comprises a housing (30) having a gas inlet (55), a gas outlet (65) and at least one chamber (70) therebetween containing carbon nanotubes (110). The chamber (70) has a port (90) and is configured for simultaneous gas ingress to and gas egress from the carbon nanotubes (110) through the port (90).

Abstract: A manufacturing method of an absorption cell includes preparing a first absorption layer formed of a mixture of a first absorbent and a second absorbent having a higher density than the first absorbent; coating the surface of the first absorption layer with a protective layer formed of a low-carbonizing point material and the second absorbent so as to prevent generation of dust particles from the first absorption layer; and removing the low-carbonizing point material from the protective layer so as to form a second absorption layer including a plurality of pore parts through which a fluid flows to the first absorption layer.

Abstract: A carbon dioxide adsorbent may include a complex oxide including barium and titanium, wherein the complex oxide has a perovskite crystalline structure and is represented by the general formula BaxTiyOz, and an atomic ratio of Ba/Ti ranges from about 0.95 to about 1.7. The carbon dioxide adsorbent may be included in a carbon dioxide capture module. The carbon dioxide adsorbent may also be used in a method of separating carbon dioxide.

Abstract: The assemblies of the invention can comprise a fine fiber layer having dispersed within the fine fiber layer an active particulate material. Fluid that flows through the assemblies of the invention can have any material dispersed or dissolved in the fluid react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer. The structures of the invention can act simply as reactive, absorptive, or adsorptive layers with no filtration properties, or the structures of the invention can be assembled into filters that can filter particulate from a mobile fluid while simultaneously reacting, absorbing, or adsorbing materials from the mobile fluid.

Abstract: An adsorption unit is provided, including an electrical heating substrate defined with a fluid channel therein, and an adsorptive material layer formed on the electrical heating substrate to contact the fluid channel for adsorbing moisture or volatile organic compounds (VOCs) in a gas flow through the fluid channel.

Abstract: An adsorption web for adsorption of petrochemical substances from liquid phases or for adsorption of odorous substances has at least one face coated with a polymer. At least one adsorption substance present is in the polymer as a filler and has micropores or mesopores or macropores.

Abstract: Embodiments of the invention relate to a composite hydrogen storage material comprising active material particles and a binder, wherein the binder immobilizes the active material particles sufficient to maintain relative spatial relationships between the active material particles.

Abstract: Sorbent substrates for CO2 capture and methods for forming the same are disclosed. In one embodiment, a method for forming a sorbent substrate for CO2 capture may include forming a plurality of matrix rods from a sorbent material and forming a plurality of channel rods from a support material. The plurality of matrix rods may then be co-extruded with the plurality of channel rods to form a plurality of sorbent filaments comprising a matrix of the sorbent material in which channels of support material are positioned such that the channels extend in an axial direction of each of the plurality of sorbent filaments. The plurality of sorbent filaments may then be stacked to form a filament assembly in which the plurality of sorbent filaments are axially aligned. Thereafter, the plurality of sorbent filaments of the filament assembly may be bonded to one another to form the sorbent substrate.

Abstract: In some embodiments, the present invention provide filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, at least one woven fabric, and at least one non-woven fabric, wherein the pollutant absorbent layer is positioned between the at least one woven fabric and the at least one non-woven fabric.

Abstract: In some embodiments, the present invention provides filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, a first woven fabric, and a second woven fabric, wherein the pollutant absorbent layer is positioned between the first woven fabric and the second woven fabric.

Abstract: A filter medium including a carrier layer and a microfiber layer applied thereon is characterized in that, with respect to the aim of providing a filter medium which has a relatively low pressure drop, and at the same time a good fraction separation rate and excellent dust storage capacity, the carrier layer has first fibers, which are designed as endless bicomponent fibers and spunbonded fibers, and the microfiber layer has second fibers, which are designed as endless melt-blown fibers.

Abstract: A device for recovering nanometer or sub-micron particles carried by a gas by generating a stabilized suspension, including: a vessel including a mechanism injecting a liquid; a gas discharge mechanism in an upper portion thereof, located near a particle filter; a particle suspension outlet; and a liquid ring pump, transferring and dispersing particles carried by a gas into a liquid. The pump introduces a gas laden with nanometer or sub-micron particles into the pump; injects at least one liquid into the pump; and discharges the mixture obtained following the transfer. The vessel also includes a mechanism introducing the mixture into the vessel and at least one piezoelectric pellet, immersed in the vessel, configured to generate a fog of micron-sized droplets.

Abstract: This invention relates to an adsorbent system, adsorbent cartridge, and external canister for removing gaseous contaminants from air or another gas.

Abstract: A composition containing titanium and iron compounds, in particular decomposition residue that accumulates as a production residue after the sulphate process during the production of titanium dioxide, is used as an adsorbing agent for inorganic and organic compounds, for example compounds containing phosphorus, arsenic, antimony, sulphur, selenium, tellurium, the cyano group or heavy metal. Toxic substances and pollutants may be removed from a fluid using the adsorbing agent.

Abstract: Agglomerate comprising a first phase change material (PCM) and a constituent having a density greater than 800 kg/m3 and forming the core of said agglomerate.

Abstract: Apparatuses, systems, and methods for loading and/or unloading a substance into or from a sorption media. A substance is presented at an edge of the sorption media, which comprises parallel layers of a sorption material. To load (i.e., via absorption and/or adsorption) the substance into the sorption media, heat is transferred away from the sorption media, a loading voltage is applied to the sorption media, and/or a pressure is increased relative to the sorption media. To unload the substance from the sorption media, heat is transferred into the sorption media, a voltage of an opposite polarity from the loading voltage is applied to the sorption media, and/or a pressure is decreased relative to the sorption media. In some embodiments, the sorption media includes surface structures that may load molecules of the substance.

Abstract: A composition of matter, and method to make same, for a nano-based material including a nanocarbon support to which is attached an aliphatic amine. In particular, the composition of matter is an aliphatic amine-nanocarbon material that includes a nanocarbon (NC) support, such as C60, nano-graphite, graphene, nanocarbon ribbons, graphite intercalation compounds, graphite oxide, nano-coal, nanohorns, and combinations thereof, and further includes an aliphatic amine, such as polyethyleneimine (PEI).

Abstract: The invention relates to an air filter element of a passenger compartment for the driver's cab of agricultural and work machines, in particular with spraying and atomizing devices for pesticides and fertilizers, comprising an adsorption filter layer with activated carbon, a fine filter layer in particular for separating aerosols and a circumferential sealing for separating the raw side from the clean side during installation into a filter housing.

Abstract: A filtering device features a carrier medium and activated carbon as adsorbent which is immobilized due to the addition of adhesive.

Abstract: A hydrogen containing tank having an inside wall that is uniquely bonded to a hydride core which is a porous hydrogen containing core material. The high hydrogen content capability and high thermal conductivity properties accommodate rapid release and intake of hydrogen gas. Low temperatures and high hydrogen charging discharging rates help to alleviate the use of hydrogen as an energy source in numerous applications.

Abstract: An aggregate composition and process for making the aggregate composition. The aggregate composition includes an insoluble rare earth-containing compound and a polymer binder. The insoluble rare earth-containing compound can include one or more of cerium, lanthanum, or praseodymium. A suitable insoluble cerium-containing compound can be derived from cerium carbonate or a cerium salt. In a specific embodiment, the aggregate composition consists essentially of one or more cerium oxides, the polymer binder and optionally a flow aid. A process for making the composition includes mixing the insoluble rare earth-containing compound with a polymer binder to form a mixture, and subjecting the mixture to mechanical, chemical and/or thermal treatment to adhere the rare earth compound to the polymer binder. The aggregate composition can be used in a variety of fluid treatment applications to remove one or more chemical and biological contaminants in a fluid.

Abstract: Systems and methods for particle contaminant entrapment are provided. In one embodiment, a sensor device comprises a sensor mechanism; a structure having an internal cavity housing at least one passive element of the sensor mechanism; and a particle contaminant getter within the cavity.

Abstract: Multi-Element Structured Arrays (MESAs) present an effective approach to utilizing high pressure drop media that previously were cost prohibitive for use in a traditional filter element. The operational velocity is significantly slowed by the incorporation of numerous elements; thus, eliminating the Darcian flow resistances of the media. The MESAs are readily fitted with two or more replaceable “filter elements” that are able to employ commercially available media, microfibrous entrapped catalyst/sorbent media, unique multilayers and more.

Abstract: A rapid cycle, gas permeable, adsorbent-containing (“RCA”) paper suitable for separating at least a portion of a first gas from a second gas in a gas mixture to produce a product stream enriched in the first gas. The RCA paper contains p-aramid fibrids and zeolite.

Abstract: An acid-gas sorbent comprising an amine-composite. The present composite may comprise a first component comprising an amine compound at a concentration of from about 1 wt % to about 75 wt %; a second component comprising a hydrophilic polymer and/or a pre-polymer compound at a concentration of from about 1 wt % to about 30 wt %; and a third component comprising a cross-linking agent, and/or a coupling agent at a concentration of from about 0.01 wt % to about 30 wt %.

Abstract: The purpose of the present invention is to provide an air-purifying device for a vehicle that uses an ozone purifier including activated carbon. This air-purifying device for a vehicle, provided by the present invention, comprises an ozone purifier which includes activated carbon and being disposed on the surface of an on-vehicle component arranged on a portion Where an air flow passage is formed while a vehicle is traveling. The ozone purifier is prepared so that the mean pore size of the activated carbon is preferably 10 nm or less so as to be smaller than the mean particle size of the particulate matter from the vehicle.

Abstract: It is an object to provide a vent filer that can reduce contaminants diffusing through the vent filter into the inside of a housing, and has high diffusion efficiency and low pressure loss. The vent filter has an adhesive layer 1 having a through-hole 1a at least in one area; a flow path member 2 provided with a flow path 2a in communication with the through-hole 1a; and an air-permeable membrane 3 covering the flow path member 2 and part of the adhesive layer 1, wherein the peripheral portion 3a of the air-permeable membrane 3 is fixed to the adhesive layer 1 and the flow path member 2 is held within a hollow portion formed between the adhesive layer 1 and the air-permeable membrane 3.

Abstract: Embodiments are described that generally relate to the storage and release of a gas using piezoelectric materials.

Abstract: An annular adsorber element may be used in conjunction with a fresh air system of an internal combustion engine for adsorbing particles such as hydrocarbons. The annular adsorber element may include a support structure and an adsorber material. The support structure may be injection molded onto the adsorber material.

Abstract: The disclosure relates generally to a gas-separation system for separating one or more components from a multi-component gas using Zeolitic imidazolate or imidazolate-derived framework.

Abstract: An apparatus, system, and method are disclosed for removing ethylene from a gaseous environment. Ethylene is a gaseous growth hormone produced by plants that triggers the ripening of some flowers, fruits, vegetables, and other plants. The apparatus includes an ethylene filter and a composition. The filter includes a frame and a trapping medium. The composition is attached to the trapping medium of the ethylene filter. The ethylene filter is positioned within a gaseous environment and is configured to encounter a gas flow within the gaseous environment. The composition contains at least some titanium dioxide which is configured to attach to the ethylene as the gas flow moves through and around the ethylene filter. In this manner, some ethylene may be removed from the gaseous environment.

Abstract: There is provided a filter for filtering gas or liquid, wherein a constituent material of the filter contains a protein that absorbs iron, radium, or heavy metal (except iron), the constituent material is an iron-containing fiber body 4, the iron-containing fiber body 4 is a fiber body including iron or a fiber body 41 on which iron is supported, and the protein is ferritin or hemosiderin and bound to iron of the iron-containing fiber body 4.

Abstract: A carbon nanotube filter, a use for a carbon nanotube filter and a method of forming a carbon nanotube filter. The method including (a) providing a carbon source and a carbon nanotube catalyst; (b) growing carbon nanotubes by reacting the carbon source with the nanotube catalyst; (c) forming chemically active carbon nanotubes by forming a chemically active layer on the carbon nanotubes or forming chemically reactive groups on sidewalls of the carbon nanotubes; and (d) placing the chemically active nanotubes in a filter housing.

Abstract: An odor absorption component is fitted to a duct in a manner that does not obstruct fluid flow through the duct while simultaneously facilitating absorption of odors from a fluid flowing within the duct. The absorbing component comprises one or more carrier structures that support a fabric/textile treated with an odor absorption coating. In one position, the carrier structures can be placed on the wall of the duct such that a plane of the support structure is parallel to and in physical contact with the fluid flow within the duct. The carrier structures may also be placed in another position within the duct such that at least two surfaces of the carrier structure that extend in a longitudinal direction along its length are parallel to and in the path of the fluid flow within the duct.

Abstract: The present application provides a protected solid adsorbent that includes a solid adsorbent substrate and a surface layer at least partially coating the solid adsorbent substrate, the surface layer being generally permeable to an active agent. Additionally, a process for protecting a solid adsorbent and an adsorption system that includes a vessel containing the protected solid adsorbent is provided.

Abstract: A filter apparatus comprising an organic antioxidant. The filter apparatus may be use, for example, in the removal of a toxic metal from a fluid stream.

Abstract: Apparatus and methods for reducing or eliminating undesirable air-borne substances, such as odors, bacteria, viruses, fungi, and toxins, are provided. A filter containing nanocrystalline metal oxide or metal hydroxide particles may be installed within an air handling apparatus such as an existing HVAC unit located within a building, and particularly within a home, or a portable air processor or purifier. The air handling apparatus comprises a blower which pulls air containing various undesirable substances from within the enclosed environment and directs it through a filtering device containing the nanocrystalline particles. The undesirable substances are sorbed by the nanocrystalline particles thereby creating a deodorized stream of air that may then be directed back into various portions of the enclosed environment or vented to the atmosphere.

Abstract: The present invention relates to a filter unit for cleaning fluids, filter systems comprised of a plurality of said filter units, and the use of the filter unit or of the filter systems for filtering sludge and floating algae from water, or for purifying gases.

Abstract: A method for capturing CO2 from the ambient air by the use of solid tethered amine adsorbents, where the amine adsorbents are tethered to a substrate selected from the group of silica, metal oxides and polymer resins. The tethered amines are joined to the substrate by covalent bonding, achieved either by the ring-opening polymerization of aziridine on porous and non-porous supports, or by the reaction of mono-, di-, or tri-aminosilanes, with silica or a metal oxide having hydroxyl surface groups. The method includes the adsorption of CO2 from ambient air, the regeneration of the adsorbent at elevated temperatures not above 120° C. and the separation of purified CO2, followed by recycling of the regenerated tethered adsorbent for further adsorption of CO2 from the ambient atmosphere.

Abstract: A composition containing titanium and iron compounds, in particular decomposition residue that accumulates as a production residue after the sulphate process during the production of titanium dioxide, is used as an adsorbing agent for inorganic and organic compounds, for example compounds containing phosphorus, arsenic, antimony, sulphur, selenium, tellurium, the cyano group or heavy metal. Toxic substances and pollutants may be removed from a fluid using the adsorbing agent.

Abstract: Methods, apparatus, and systems for removing contaminant in a fluid (e.g., chemical and petrochemical gas streams) using nanostructures of a sorbent material coated on plates such as a silicon wafer. A plurality of such coated plates can be assembled to form a sorption structure having channels between the plates. When a fluid containing the contaminant is directed through the channels, the contaminant is adsorbed by the nanostructures of the sorbent material.

Abstract: [problem] It is provided that an activated carbon sheet to be excellent in removability of hazardous gas component and flame retardancy. [solution] A flame-retardant deodorizing filter comprising an activated carbon layer and a fabric formed on both sides thereof, wherein the fabric has a fiber ratio of one or more kinds selected from cellulose fibers, polyvinyl alcohol fibers, polyacrylonitrile fibers, and phenol fibers in 30% or more; a phosphorus-based flame retardant is contained in an amount of 10 to 70% by weight relative to the fabric weight; an adhesive layer is present between the activated carbon layer and the fabric; the activated carbon particles are firmly adhered by thermoplastic resin binder particles; and the weight per unit area of activated carbon is 50 to 400 g/m2.

Abstract: Filters including activated carbon cloth are described herein. Embodiments include a filter medium including at least one activated carbon cloth layer, at least one fibrous material layer, and at least one support layer, and filter cartridges including these filter mediums as well as methods for using these filter mediums to filter exhaust from diesel automobiles and diesel trucks.

Abstract: Disclosed herein, among other things, is an improved filter media construction that comprises multiple layers for improved odor control that can be used for vacuum cleaner air filtration cartridge applications. The filter media comprises anti-microbial ePTFE HEPA filter media to prevent mold growth. The filter media may also be used for air cleaner filtration, central air filtration for home and industrial buildings (HVAC), cleanrooms, and microelectronic devices. In an embodiment, the improved filter media construction comprises at least a PTFE layer, a bi-component layer, and a base layer. In an embodiment the PTFE layer comprises ePTFE. In an embodiment, the bi-component layer comprises non-woven polyethylene/polyethylene terephthalate (PE/PET). In yet another embodiment, the base layer comprises activated carbon. Other aspects and embodiments are provided herein.

Abstract: A deoxidizer includes a porous body of fluorite-type cerium oxide represented by CeOx (where x is a positive number smaller than 2) and having a reversible oxygen deficiency. The deoxidizer has a specific surface area of 0.6 to 1.8 m2/g and a pore median diameter of 1.6 to 5.3 ?m. The cerium oxide used for the deoxidizer is produced by: firing a cerium-containing salt in the atmosphere at 500° C. to 1400° C. for 1 to 20 hours, to produce fluorite-type cerium oxide composed of a porous body; and firing the cerium oxide at 700° C. to 1100° C. for 1 to 3 hours in a reducing atmosphere having a hydrogen concentration equal to or above the lower explosive limit, to remove oxygen from the cerium oxide and produce the fluorite-type cerium oxide represented by CeOx and having a reversible oxygen deficiency.

Abstract: The present invention provides a biological H2S removal system for the treatment of process gas, comprising: a housing that receives a process gas stream through a gas inlet, the housing comprising a plurality of layers through which the process gas stream flows while it is treated for H2S removal, and a gas outlet through which a treated gas stream exits; wherein air is added to the process gas stream prior to the process gas stream entering the housing.

Abstract: The present invention provides an adsorptive member which is used in a heat exchanger such as an adsorptive heat pump or a humidity control apparatus such as a desiccant system and which is excellent in heat resistance and adhesion between adsorptive particles and a base material. The adsorptive member comprising a base material and an adsorptive material layer formed on the base material, wherein the adsorptive material layer comprises adsorptive particles and a binder as essential components, and the binder is an epoxy cured product comprising the following structural units (a) and (b): (a): a bisphenol type structural unit; and (b): a linear hydrocarbon structural unit having 4 or more carbon atoms, and/or a polyalkylene ether structural unit having 3 or more ether oxygen atoms.

Abstract: Methods for protecting circuit device materials, optoelectronic devices, and caps using a reflowable getter are described. The methods, devices and caps provide advantages because they enable modification of the shape and activity of the getter after sealing of the device. Some embodiments of the invention provide a solid composition comprising a reactive material and a phase changing material. The combination of the reactive material and phase changing material is placed in the cavity of an electronic device. After sealing the device by conventional means (epoxy seal for example), the device is subjected to thermal or electromagnetic energy so that the phase changing material becomes liquid, and consequently: exposes the reactive material to the atmosphere of the cavity, distributes the getter more equally within the cavity, and provides enhanced protection of sensitive parts of the device by flowing onto and covering these parts, with a thin layer of material.

Abstract: The various embodiments of the present invention relate to compositions, apparatus, and methods comprising sorbent fibers. More particularly, various embodiments of the present invention are directed towards sorbent fiber compositions for temperature swing adsorption processes. Various embodiments of the present invention comprise sorbent fiber compositions, apparatus comprising a plurality of sorbent fibers, and methods of using the same for the capture of at least one component from a medium, for example CO2 from flue gas.

Abstract: A humidity-conditioning sheet 10 excellent in reversibility and responsiveness of a moisture adsorbing/desorbing ability of rapidly adsorbing moisture at high ambient humidity and conversely rapidly desorbing adsorbed moisture at low ambient humidity includes a sheet-shaped humidity-conditioning layer 7 formed by bonding together, with a thermoplastic resin powder 4, humidity-conditioning particles 3 which reversibly adsorb and desorb water vapor. The void ratio of the humidity-conditioning layer 7 is 5% or more.