Abstract: A thermal processor includes an oven for thermally developing an imaging media which produces gaseous contaminants during development. The gaseous contaminants includes odorous portions and condensable portions which have a condensation temperature. A contaminant removal cartridge has a housing configured to couple to the oven, a heat exchanger, and a filter module. The heat exchanger receives from the oven at least a first air flow at a first temperature, wherein the first temperature is above the condensation temperature, and including gaseous contaminants. The heat exchanger cools the first air flow to a desired filtering temperature, which is below the condensation temperature, to condense and collect the condensable portion of the gaseous contaminants and form a filtering air flow. The filter module receives the filtering air flow, to collect the remaining condensed contaminants, and to absorb the odorous portion of the gaseous contaminants to form an exhaust air flow.

Abstract: A filter element includes a filter web pleated in an essentially zigzag manner and made, in particular, of a nonwoven material, for insertion into a holder such as a filter frame and/or a filter housing, having at least one end-positioned wall of an essentially flat design. The filter element includes at least one end face, viewed in the direction of the pleats. To achieve a tighter seal, the end face of the filter element is curved outward in a defined convex manner, and the filter web material is selected and/or its end face conditioned so that, when inserted into the holder, the end face of the filter web may be placed leak-tight against the end wall of the holder without corrugation under elastic pre-tension.

Abstract: Filters and smoking articles include at least one carbon fiber composite molecular sieve sorbent capable of selectively removing one or more selected constituents from mainstream smoke. Methods for making cigarette filters and smoking articles using the carbon fiber composite molecular sieve sorbent and methods for treating mainstream tobacco smoke in a cigarette comprising the carbon fiber composite molecular sieve sorbent are also provided.

Abstract: A method and apparatus for producing high purity argon by combined cryogenic distillation and adsorption technologies is disclosed. Crude argon from a distillation column or a so-called argon column is passed to a system of adsorption vessels for further purification. Depressurization gas from adsorption is introduced back, in a controlled manner, to the distillation column and/or a compressor or other means for increasing pressure. Particulate filtration and getter purification may optionally be used.

Abstract: A filter separator and method, including an annular microfilter and a separation chamber within the microfilter including a plurality of mixing blades circulating fluid upwardly and downward within the chamber. When the apparatus is used to purify syngas, adherent metal oxide particles are circulated in the chamber to adsorb waste oxides. The apparatus is purged by injecting hot CO2 free gas into the chamber through the filter and the filter pores may be expanded during purging.

Abstract: A cover member adapted to confine gaseous emissions from animal waste in a waste collection area having a base for contacting and floating on at least a portion of a surface of the animal waste and a cover with at least one surface extending from the base. The cover member can include a buoyant frame to define a generally pyramid shape. The cover includes a layer of geotextile material and can include organic filter material with the internal volume of the cover member. A plurality of cover members can be closely aligned to cover a substantial portion of the surface of the animal waste.

Abstract: The vehicle canister comprising: the first chamber filled with the active carbon and funneled with the tank port, where the evaporating gas is infused through and the second chamber filled with the active carbon and funneled with the atmosphere port and neighboring the first chamber via the isolation wall. Also, it involves the vehicle canister installed in the canister housing which has the absorption and desorption improver to improve the absorption and desorption efficiency with heat conduction with temperature change of the active carbon occurred during the absorption and desorption of evaporation gas infused into the canister housing. The absorption and desorption improver is composed with the first and the second absorption and desorption improver.

Abstract: An air filter, particularly an air filter for an internal combustion engine, having a housing with an unfiltered air inlet and a filtered air outlet. A round filter element is sealingly disposed between the unfiltered air inlet and the filtered air outlet. In addition, an adsorber element provided with adsorbent particles is disposed on an interior wall of the housing such that the adsorber element is arranged within the round filter element.

Abstract: An air cleaner is provided with a housing, a filter element disposed inside the housing for filtrating air introduced into the housing, and an adsorption element disposed in the housing for adsorbing gasified fuel in the housing, the adsorption element including an adsorbing member adsorbing gasified fuel and a frame surrounding the adsorbing member to hold the adsorbing member. The air cleaner further includes a plurality of first fusing projections projecting from one surface of the frame, a plurality of ribs formed to an inner surface of the housing so as to project therefrom and extending laterally and transversely to cross each other, and a plurality of second fusing projections formed to the inner surface of the housing at positions corresponding to the location of the first fusing projections formed to the frame of the adsorption element, each of the second projections being surrounded by a pair of crossing ribs.

Abstract: An air dryer, used in a compressed air system, includes an oil coalescing element for agglomerating oil in compressed air passing through the oil coalescing element in a first direction during a charging cycle and passing through the oil coalescing element in a second direction during a purging cycle. A drying material, which is downstream of the oil coalescing element during the charging cycle and upstream of the oil coalescing element during the purging cycle, reduces moisture in the compressed air during the charging cycle.

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: The present invention provides desiccant cartridge (10) for a vehicle air dryer, the cartridge (10) having a casing comprising a base (12) and a cover (14), the cartridge (10) further having a charge inlet (24) arranged to receive air from a compressor and a charge outlet (22) in fluid communication with the charge inlet (24), the casing containing a coalescing means (20) and a desiccant (18) arranged between the charge inlet (24) and the charge outlet (22) such that air entering the casing via the charge inlet (24) passes sequentially through the coalescing means (20) and desiccant (18) before reaching the charge outlet (22), wherein the cartridge (10) is further provided with a purge outlet (26) disposed in the casing between the coalescing means (20) and desiccant (18), and the charge inlet (24), charge outlet (22) and purge outlet (26) are provided in the base (12) of the cartridge (10).

Abstract: A dryer and a drying apparatus attachable to a dryer are disclosed. A wheel having desiccant material is located in line and in close proximity with a heating element. The wheel includes a first portion positioned in an inlet air path and a second portion positioned in an outlet air path. The desiccant material removes water molecules from air within the inlet air path, and lowers the vapor pressure of the incoming air. In the outlet air path, heated air flows through the second portion to transfer energy to the desiccant material. The wheel rotates to change the desiccant material within the portions.

Abstract: A method and an arrangement are provided for purifying gases which are fed to a fuel cell for operation. A filter system, which is designed to separate out particulates and polluting gases, is arranged in a feed passage for the respective gas.

Abstract: The present invention is directed to an improved integrated process for the removal of heavy hydrocarbons, carbon dioxide, hydrogen sulfide, and water from a raw natural gas feed stream. More specifically, the integrated process of the present invention comprises a three step process involving the adsorption of heavy hydrocarbons and water on an adsorbent bed selective for the same, a subsequent aqueous lean amine treatment for the absorptive removal of acid gases, such as carbon dioxide and hydrogen sulfide, and an adsorptive removal of water. The process of the present invention results in a highly purified natural gas product stream.

Abstract: The present invention concerns the application of adsorption gas separation technologies to anaesthesia equipment and falls within the technical domains of adsorption separation units and medical devices. The invention concerns a device and processes for recovering xenon from gas mixtures released from anaesthesia gas machines (1) using xenon as anaesthetic. The purged xenon is collected using a system which includes a shift valve (6), and then separated and purified (38-40). The recycled xenon is then pressurised (31) and reintroduced in the anaesthesia circuit (48) using a shift valve (12). The separation and purification process combines different adsorption separation/purification technologies. The device is external to the anaesthesia gas machine and is compatible with any standard anaesthesia circuit able of perform xenon anaesthesia.

Abstract: A housing of an air cleaner has an air inlet port and an air outlet port, and incorporates an air filter. In the housing, a fuel adsorption filter is arranged downstream of the air filter in such manner as to intersect an air passage. An open portion and a sheet-like adsorption portion are vertically defined in an outer frame of the fuel adsorption filter. The adsorption portion has a fuel adsorbing function. A weir is provided in a boundary between the open portion and the adsorption portion. The weir limits air flow from the upstream side of the adsorption portion to the upstream side of the open portion. A flow straightening plate having a flow straightening function is provided in the open portion.

Abstract: A differential absorption spectrum for a reactive gas in a gas mixture can be generated for sample absorption data by subtracting background absorption data set from the sample absorption data. The background absorption data can be characteristic of absorption characteristics of the background composition in a laser light scan range that includes a target wavelength. The differential absorption spectrum can be converted to a measured concentration of the reactive gas using calibration data. A determination can be made whether the background composition has substantially changed relative to the background absorption data, and new background absorption data can be used if the background composition has substantially changed. Related systems, apparatus, methods, and/or articles are also described.

Abstract: An air cleaner for an engine that includes a fuel tank and an air-fuel mixing device. The air cleaner includes a housing that defines an internal filter space and a canister at least partially formed as part of the housing. The canister is substantially non-permeable to fuel vapor. A first aperture provides fluid communication between the fuel tank and the canister and a second aperture provides fluid communication between the canister and the air-fuel mixing device.

Abstract: A hydrogen peroxide vapor generation unit (10) receives hydrogen peroxide and water solution at an interface (20) and interconnects with an air dryer (14) by way of nipples (72, 92). In one embodiment, the dryer includes a clamping assembly (42) which is latched (74, 94) with the nipples and which receives a disposable desiccant cartridge (40). In an alternate embodiment, a reusable desiccant cartridge (40?) is connected directly to the nipples (72, 92). When the desiccant cartridge (40?) is saturated, it is removed and placed in a regenerator unit (120). A regenerated cartridge is installed in its place.

Abstract: A gas recovery system is disclosed. The gas recovery system includes a gas source productive of a gaseous stream comprising moisture, a gas dryer in fluid communication with and downstream of the gas source, and an electrochemical compressor in fluid communication with and downstream of the gas dryer. The gas dryer is disposed to receive the gaseous stream and produce a delivery stream absent moisture and a slipstream comprising moisture. The electrochemical compressor is disposed to receive the slipstream at a first pressure and produce a compressed stream at a second pressure greater than the first pressure.

Abstract: The present invention is directed to an improved electronic enclosure filter for very small spaces, such as small disk drives. The filter includes an exposed electrostatic layer that functions to catch and retain particulate contamination within the filter. The filter can be placed within disk drive enclosures such that the electrostatic layer is in very close proximity to the rotating disk without causing excessive turbulence. The close proximity of the electrostatic to the disk creates relatively high levels of airflow over the electrostatic.

Abstract: In one aspect of the invention there is provided a gas scrubbing system for removing contaminants from a flow of fluid, comprising a container having an interior volume, an inlet for receiving the flow of fluid and an outlet for dispensing the stream of fluid, a treatment liquid, a porous medium positioned in the interior volume, between the inlet and outlet, said porous medium providing a high surface area to facilitate chemical interactions between the fluid flow and the treatment liquid and means to apply the treatment liquid onto the porous medium. A contact cell aspect of the porous medium and a method aspect are also provided.

Abstract: A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element that reduces sound waves or noise emanating from any equipment, such as a compressor. The filter assembly can include a particulate filter portion for removing physical or particulate contaminants, a chemical filter portion for removing chemical contaminants, or can have both portions.

Abstract: A filter element formed from at least one flat layer of permeable filter medium alternating with at least one pleated layer in such a way that the resulting channels have an open, especially triangular, cross section, a first group of channels being tightly sealed at one end and a second group of channels being tightly sealed at the other end such that a fluid to be filtered flowing through the filter element from an incident flow side formed by one end face to a discharge side formed by the opposite end face, must pass through one of the layers, and at least one group of channels is filled with adsorbent particles and closed by a gas-permeable fabric disposed over the corresponding end face of the filter element, the fabric pores being smaller than the adsorbent particles.

Abstract: A filter assembly for use in a disk drive assembly is disclosed. The filter assembly is configured to remove contaminants within the drive assembly and to prevent entry of contaminants into the drive assembly. In one implementation the filter assembly includes a housing configured for placement in a disk drive assembly containing a rotating disk, the housing including an air scoop having an entrance configured for placement beneath the rotating disk in the drive assembly; and a major surface having a wall and an opening in the wall, the opening configured for receiving a filter material and being in fluid communication with the entrance to the air scoop. A filter element is positioned within the housing and configured so that a first portion of the element filters air directed from the air scoop, while a second portion of the element filters air from the exterior of the drive assembly, the first and second portions sealed by a common filter material placed over the opening in the major surface.

Abstract: An air-cleaner includes a housing attached to an induction system of an internal combustion engine. The air-cleaner includes a filter element located within the housing and separating the internal of the housing into a dust side and clean side, the dust side having an introduction portion for introducing an external air into the housing, the clean side having a feeder portion for feeding a filtered air to an engine. The air-cleaner includes a plate-shaped adsorption element including an adsorbent to adsorb a vaporized fuel returned from an engine side and permitting an air to pass therethrough, the adsorption element arranged to cross the direction of an air flow and fitted to occupy the entire surface of the clean side in the housing. The adsorption element defines a port connecting the filter element and the feeder portion, and includes a valve disc to open or close the port. The valve disc is controlled to open during air inspiration for permitting an air to flow toward the feeder portion.

Abstract: The present invention is directed to an improved integrated process for the removal of heavy hydrocarbons, carbon dioxide, hydrogen sulfide, and water from a raw natural gas feed stream. More specifically, the integrated process of the present invention comprises a three step process involving the adsorption of heavy hydrocarbons and water on an adsorbent bed selective for the same, a subsequent aqueous lean amine treatment for the absorptive removal of acid gases, such as carbon dioxide and hydrogen sulfide, and an adsorptive removal of water. The process of the present invention results in a highly purified dry natural gas product stream.

Abstract: The present invention relates generally to adsorbents for use in pressure swing adsorption (PSA) prepurification processes. The invention more particularly relates to the design of adsorbent zones to be used in PSA prepurification processes that are expected to provide for extensions in PSA cycle time, thereby reducing blowdown loss and operating costs associated with the process. One particular embodiment of the present invention includes a first adsorption zone containing activated alumina and a second adsorption zone of an alumina-zeolite mixture or composite adsorbent in which the volume of the first zone does not exceed 50% of the total volume of the first and second zone.

Abstract: An air cleaner particularly disposed for an internal combustion engine is provided with a housing, a filter element disposed in the housing, and adsorbent disposed on the side of an outlet formed to the housing and adapted to adsorb an evaporated fuel invaded inside the housing through the outlet. The adsorbent includes an adsorbing material adsorbing the evaporated fuel and a pair of non-woven fabrics sandwiching the adsorbent material from both sides thereof, and at least one of the non-woven fabrics disposed on the outlet side includes a reinforcing material so as to be integrated with the non-woven fabric.

Abstract: An adsorptive filter/member for adsorbing a gaseous adsorbate. The filter includes two layers of a flexible polymeric material to form an area therebetween. Fasteners are located at predetermined areas across the two layer outer surfaces, the fasteners extending from the outer surface of one layer to the outer surface of the other layer. The fasteners subdivide the area into a plurality of substantially enclosed chambers. Adsorptive media is disposed within each of the plurality of chambers. The chambers are adapted to substantially evenly distribute adsorptive media throughout the filter. Throughbores extend through the filter, and receive attachment members for mounting the filter to a surface. A gaseous adsorbate flow path is in gaseous communication with one of the outer surfaces of the two layers. Each of the two layers' polymeric materials includes pores that are permeable to the gaseous adsorbate, yet are substantially impermeable to the adsorptive media.

Abstract: A large amount of a medium containing a volatile chlorinated organic compound (VOC) with a low concentration is passed through an adsorber filled with an adsorbent which adsorb and desorb the VOC to collect the VOC in the medium in the adsorber; a gas containing water vapor is then brought into contact with the adsorbent to desorb and discharge the VOC from the adsorber; the desorbed gas is cooled to condense the VOC and water; a small amount of the VOC with a high concentration vaporized from the condensate is further irradiated with light in the presence of chlorine to decompose the VOC; and the decomposed product is subsequently treated. This constitution can allow a large amount of the VOC with a low concentration to be irradiated with light in the presence of chlorine to efficiently treat the VOC.

Abstract: An odor adsorbing or deodorizing filter which comprises a matrix or substrate impregnated with a mixture of particulate chemically modified activated carbon and particulate activated carbon, together with a binder. The filter may be incorporated into an ostomy collection bag, wound dressing, respirator, air conditioning unit or the like.

Abstract: A method is described for recovering a noble gas, such as xenon or krypton, from a first gas mixture comprising a plurality of components, one of which is the noble gas and the others are typically helium and/or nitrogen, argon, and relatively light fluorocarbons. The gas mixture is first conveyed to a gas chromatography column for separating the noble gas from the other components of the gas mixture. As the noble gas travels relatively slowly through the column, the other components are exhausted from the column before the relatively slow noble gas. Following the exhaust of these other components, a purge gas is supplied to the column to flush the noble gas therefrom. A second gas mixture comprising the noble gas and the purge gas is conveyed from the column to a membrane separator to separate the second gas mixture into a noble gas-rich gas stream and a purge gas-rich gas stream, which may be recirculated back to the column for re-use.

Abstract: The present invention is directed to an improved electronic enclosure filter for very small spaces, such as small disk drives. The filter includes an exposed electrostatic layer that functions to catch and retain particulate contamination within the filter. The filter can be placed within disk drive enclosures such that the electrostatic layer is in very close proximity to the rotating disk without causing excessive turbulence. The close proximity of the electrostatic layer to the disk creates relatively high levels of airflow over the electrostatic layer.

Abstract: A dust collecting table includes a box divided into a first chamber, a second chamber, a third chamber and a fourth chamber, a spark blocker installed in an upper portion of the second chamber, a movable cloth filter device installed in a lower portion of the second chamber, a blower set in the first chamber, and at least a screening device. As the blower is switched on, air is to be sucked from air inlet gates of the spark blocker to pass through the movable cloth filter device, the blower and the screening device orderly into the atmosphere, blocking sparks completely and achieving an effective filtration.

Abstract: The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capacity per unit volume and exhibits high initial performance of eliminating ionized gaseous pollutants and excellent durability of the elimination performance.

Abstract: A filter, an apparatus and a method for preventing and/or reducing the formation of tarnish on objects that contain a metal are provided; for example, objects containing silver, copper and/or brass. The apparatus comprises a device that circulates the air in an enclosed space through particulate and adsorbent filters to reduce the amount of tarnishing agents present in said enclosure.

Abstract: A housing 11 accommodates a pleated filter element 14. A fuel adsorbent member 16 is arranged in the housing 11 at a position downstream from the filter element 14. The fuel adsorbent member 16 adsorbs evaporative fuel leaking from an engine. The fuel adsorbent member 16 includes holding pleats 16g. Each of the holding pleats 16g is received in the space between an adjacent pair of the element pleats 14a of the filter element 14. This maintains the interval between the element pleats 14a. The holding pleats 16g are formed by folding the fuel adsorbent member 16.

Abstract: A filter includes a housing having an air inlet, an air outlet, a first chamber and a second chamber concentric to and interior the first chamber. A coalescer is in the first chamber and a first filter is in the second chamber. A first inlet of the first chamber is interior the coalescer and connected to the air inlet and a first outlet of the first chamber being exterior the coalescer. A second inlet of the second chamber is interior the first filter and connected to the first outlet of the first chamber and a second outlet of the second chamber is exterior the first filter and connected to the air outlet. The filter includes a membrane separator in the housing connecting the second outlet of the second chamber and the air outlet. The filter may be mounted in a reservoir with the membrane separator extending into the reservoir.

Abstract: An evaporative emissions canister is used in an automotive evaporative emission system to separate liquid fuel entrained with fuel vapor and to control emission of fuel vapors to the atmosphere, the system including a fuel tank coupled to an automotive engine. The canister includes an integrally molded housing having side walls, a top wall and a bottom wall; a hydrocarbon-adsorbing material disposed therein so as to provide a vapor adsorbent chamber for adsorbing hydrocarbon fuel vapor flowing therethrough; and a liquid-fuel trap located above the vapor adsorbent chamber for separating fuel vapor and liquid fuel. A method is provided for preventing or reducing hydrocarbon emissions to the atmosphere.

Abstract: A gas and water vapor pervious adsorption filter material having a protective function against biological and chemical noxiants and poisons and a multilayered layer construction including a first sheetlike carrier layer, a second sheetlike carrier layer and, interposed between the first carrier layer and the second carrier layer, an adsorbing layer, the adsorbing layer comprising an activated carbon fiber fabric which is durably adhered to the first carrier layer and to the second carrier layer by means of an adhesive.

Abstract: A breather valve device for a container for an electronic control unit, includes a support structure including, a substantially planar wall having first and second surfaces intended to face outwardly and inwardly of the container respectively, and in which is formed an aperture, and a projecting, essentially cylindrical, tubular wall extending from the first surface of the planar wall, substantially around the aperture; an interceptor element having a smaller cross section than the passage cross section of the tubular wall and of the aperture; the interceptor element being disposed inside an axially intermediate portion of the tubular wall, spaced radially from the latter so as to define, with respect to the tubular wall, a narrow annular gap; the interceptor element being connected to the support structure by at least one connector formation. The support structure, the interceptor element and the connector formation are integrally formed in one piece of molded plastics material.

Abstract: Filters for removing particulate and gaseous organic and inorganic materials from a fluid stream are disclosed. The filter may contain a polymer matrix and optional sequestering agents. Methods of making the filters are also disclosed. Methods of using the filters to remove one or more materials from a fluid stream, such as an air stream, are also disclosed.

Abstract: A recirculation filter includes a first layer and a second layer. The first layer has a first side and a second side and is configured to trap particles that are of a first size. The second layer has a first portion adjacent to the first side of the first layer and a second portion adjacent the second side of the first layer. The second layer is configured to trap particles that are of a second size. The second size of particles trapped by the second layer is greater than the first size of particles trapped by the first layer.

Abstract: The invention concerns a flow turning vane assembly for use in a duct bend portion of a clean air duct of an air induction system for a vehicle engine. The flow turning vane assembly may have a vane support housing, and a hydrocarbon adsorbent vane mounted to the vane support housing. The hydrocarbon adsorbent vane has a curved shape complimentary to the duct bend portion and includes a hydrocarbon adsorbent layer.

Abstract: Chemical processing apparatuses which incorporate a process vessel, such as a crucible or retort, and which include a gas separation or filtration system. Various embodiments incorporate such features as loose filtration material, semi-rigid filtration material, and structured filtration material. The vessel may include material that is a microwave susceptor. Filtration media may be selected so that if it inadvertently mixes with the chemical process or the reaction products of such process, it would not adversely affect the results of the chemical process.

Abstract: To improve the air quality in bounded spaces such as a room, an air treatment device and an air treatment method are disclosed. The air treatment device comprises a fan for stimulating airflow through the air treatment device and an UV treatment chamber. An UV radiation source radiates UV radiation in the UV treatment chamber to kill microorganisms in said airflow. The air treatment device is designed such that a high airflow may be generated, while all microorganisms present in the air flowing through the air treatment device are killed. With the high airflow and air cleaning capacity, the air treatment device may clean a bounded space in a short period of time.

Abstract: In a fan filter unit for filtering and continuously supplying clean air into a clean room, the fan filter unit includes a chemical filter for removing chemical contaminants contained in the air, a fan for sucking and blowing out the air, and a particle filter for removing particles such as dusts and moisture contained in the air. A filter medium of the chemical filter has a circular tube shape and is disposed between an inner circular tube and an outer circular tube. A cover is detachably combined with top portions of the inner and the outer circular tubes, and prevents air flow through the top portions of the inner and outer circular tubes. The air is sucked only through the outer circular tube, the chemical filter and the inner circular tube by a suction force of the fan. Accordingly, velocity distribution of the air passing through the chemical filter may be improved and lifetime of the chemical filter may be increased.

Abstract: A filter for a gas mask has an elliptical or circular, convex shape to conform to the curvature of the wearer's face, or a planar shape. The filter comprises a double particulate filter element and a double adsorption filter element configured for axial airflow therethrough with a bifurcated flow pattern. The adsorption filter element comprises a granulated charcoal, a composite material having carbon particles combined with binder particles, or an immobilized bed of charcoal granules and EVA-coated fibers.