Abstract: A system and an associated method for improving mercury removal from a flow containing combustion exhaust. The system includes a filtration arrangement that includes at least one layer of ePTFE, with the at least one ePTFE layer being configured to have a geometry that retains at least some accumulated particulate matter. The system includes an arrangement for providing at least some particulate matter in the flow for accumulation on the filtration arrangement by the geometry.

Abstract: An air conditioner having an interior casing in which an air filter is provided along an inner face of an air suction inlet, includes a filter cleaning part, a cleaning time drive member for moving the air filter and the filter cleaning part with respect to each other, and an ultraviolet light irradiation unit which irradiates the air filter with ultraviolet rays. The air filter and the filter cleaning part are relatively moved by the cleaning time drive member to remove dust adhered to the air filter, and the ultraviolet light irradiation unit irradiates an uncleaned face of the air filter with the ultraviolet rays.

Abstract: Apparatus and method for removal of particles and VOC from an airstream, in which particles carried by the airstream are charged by a corona ionizer and then collected by an electrically enhanced filter downstream of the ionizer. A catalytic filter downstream of the electrically enhanced filter removes VOC as well as ozone generated by the ionizer.

Abstract: Embodiments of systems and methods for inducing swirl in particles are provided. In one embodiment, a system for inducing swirl in particles may include a supply including a plurality of electrically charged particles, and at least one swirling chamber for creating at least one electrical field therein, which may include an entry path in communication with the supply and an exit path. According to this example embodiment, the plurality of electrically charged particles may flow through the swirling chamber or chambers, causing at least one of the plurality of electrically charged particles to rotate about a radial axis of the swirling chamber as a result of the electrical field.

Abstract: The invention discloses a composition comprising a hybrid composite organic-inorganic membrane. The hybrid organic-inorganic membrane according to the present invention may comprise an amorphous porous layer incorporating organic functionalities. The amorphous porous layer may be deposited on a porous alumina substrate by chemical vapor deposition (CVD). The amorphous porous layer may comprise a single top-layer (STL), multiple top-layers (MTL) or mixed top-layers (XTL). The substrate may comprise a single layer or multiple graded layers of alumina.

Abstract: An air purifier includes a vertically disposed housing provided with a wire gauze filter, electric fans and air filter elements. The electric fans draw outside air around the floor vertically into the bottom air intake port toward the top air output port of the housing so that the flow of air, when passed out of the air output port, flows upwards to a certain elevation and is then diffused and lowered in all directions around the housing. By means of the traction of the flow of air, the pressure difference of the convection of air between the low air pressure and the high air pressure at the bottom and top sides of the housing, high concentration of car waste gas, micro dust particles, hair dust, micro fibers and other harmful industrial odors that fall to the floor due to the effect of gravity or floating nearly above the floor are sucked into the inside of the housing by the low air pressure zone at the open bottom side of the housing and then removed by the filter elements.

Abstract: Provided are plasma-aided gas storage methods and apparatus. In one embodiment, a porous powder bed assembly equipped with corona discharge electrodes is used to generate a non-equilibrium plasma of negatively ionized gas molecules which absorb onto porous particles, e.g., activated charcoal, to form a gas storage entity. Gas adsorbed onto the particles is desorbed at moderate temperatures by aid of ultraviolet light illumination.

Abstract: An emission treatment system includes a separation device having a vessel that includes an inlet for receiving an emission stream having entrained solid particles. A first outlet from the vessel discharges captured solid particles from the emission stream and a second outlet from the vessel discharges a clean stream having fewer entrained solid particles than the emission stream received into the separation device. A particle collector is fluidly connected with the separation device and includes a collection portion for capturing solid particles from the emission stream.

Abstract: A synchronized supercharge electrostatic field UV germicidal air filtration device is a high efficiency absolute air cleaner. It incorporates a dual function ionization system, electrostatic field filtration system UV light germicidal function within one system. This invention allows the physical size of air cleaning device to be substantially reduced while the absolute filtration efficiency is highly improved. This device provides a filtered and sterilized air output quality down to submicron size with quantifiable results; while it can be physically fit into an office partition wall. Secondly, both high voltage power supporting ionization and high voltage power supporting the electrostatic energy field are provided by one high voltage transforming circuit making it the most cost effective air filtration system.

Abstract: Disclosed is an air purification filter with novel active media that attracts, migrates, binds, and destroys pathogens, including sub-micron pathogens, that are suspended in the air passing through the filter. These properties are incorporated in the micro-fibers comprising the active filter media by several novel methods. One embodiment uses polymers or solgel bound monomers of quaternary ammonium compounds as a biocide with both chemotactic and pathogen membrane lysing properties. Another embodiment uses biocide chemicals blended into the melt before filter fibers are extruded and electret dipole charged. The attracting-binding properties of the embodiments may be enhanced by including electropositive Boehmite nano-fiber strands in the active media, by coating a reversible voltage charged electro-conductive polymer, by the use of supplemental fusing and lysing chemicals, and by optional ion field charging of incoming pathogens.

Abstract: An airflow shaper for use in an air cleaner is provided according to an embodiment of the invention. The airflow shaper includes a body including a substantially central axis and a raised central region formed on the body. The raised central region transitions an impinging axial airflow into a substantially radial airflow or transitions an impinging radial airflow into a substantial axial airflow.

Abstract: A gas-liquid separation system and a method thereof are disclosed. The said system comprises a gas-liquid separation conduit and a drain pipe. The drain pipe is curled and one side of the drain pipe connects to the gas-liquid separation conduit and the other side connects to a sewage pipe. According to the U-Tube principle, the gas and the liquid which both are exhausted by a machinery can be separated in the said system and therefore the said system can prevent related processes causing exhaust piping jam.

Abstract: A filter media and a pleated filter with a first layer of filtration media, a layer of support material and a second layer of filtration media on the opposite side of the support material as the first layer of filter media. All three layers are laminated together and pleated. The support material provides the required stiffness and rigidity for the pleating process. The physical characteristics of the upstream layer of filtration media are contemplated to be different than the characteristics of the downstream layer of filtration media.

Abstract: Disclosed is a filtration enhancement apparatus and an associated method. The apparatus includes a number of electromagnetic grids that are placed in series. The first grid conditions ambient particles to generate particles with both a positive and a negative charge. These charged particles are then delivered to a second and third grid wherein a low, medium, and/or high frequency alternating current is employed to force the positive and negative charged particles to collide and conglomerate with one another. The conglomerated particles are then sent into the ambient environment for subsequent filtration.

Abstract: The invention relates to apparatus and a method for separating solid particles from fluids and particularly gas flows. The apparatus is particularly for use in conjunction with an internal combustion engine or vacuum cleaner. The apparatus includes cyclone separator means which comprise at least two axial common cyclone separator elements, an inner and outer element, in conjunction with a two-stage electrostatic precipitator. The apparatus allows the filtration of fluid effectively, even if the flow varies over time.

Abstract: A gas sampling canister has an electrospray nozzle for creating an ionic fluid electrospray plume. A gas sample intake is positioned to provide a gas sample flowing through the ionic fluid electrospray plume. A cooled counter electrode is positioned to collect the electrospray plume such that selected chemicals in the gas sample are captured by ionic fluid accumulating on the cooled counter electrode. A system and method for sampling gas are also described.

Abstract: The present disclosure provides an apparatus and method for removing particulates from a gas stream. The apparatus includes a ceramic filter, at least one electrode, and at least one conductor. The electrode is located at an end of the filter and produces an atmospheric glow discharge in order to oxidize carbon deposits trapped in the filter. The conductor extends at least partially into the filter and acts as a counter electrode. Through various arrangements of the electrodes and conductors, the present disclosure provides closer connection between the trapped carbon deposits and the electrodes. This improves the regeneration of the filter without increasing the size and/or weight of the apparatus.

Abstract: An embodiment of the present invention provides a system for removing foreign objects from the airstream entering an inlet system of a turbomachine. This system may include an electrostatic system that may be configured to charge conductive, or partially conductive foreign objects that are in the airstream flowing through the system. This system may create an electric field to drawing the charged foreign objects, allowing for a collecting section to remove the charged foreign objects from the airstream. An embodiment of the present invention may provide an automatic accumulation system for collecting the foreign objects removed from the airstream. An embodiment of the present invention may provide an automatic cleaning system for cleaning components of the collecting section.

Abstract: The invention provides methods and apparatuses for removing additional aerosols and in some cases additional particulate matter from a gas stream, wherein a certain portion of such aerosols and particulate matter has already been removed using a primary aerosol and particulate collection device. In some embodiments, the invention includes a method for removing additional aerosols from a gas stream, including passing a gas stream having a plurality of aerosols through a gas duct; removing a first portion of the plurality of the aerosols using a primary aerosol collector; passing the gas steam through a screen; collecting at least a second portion of the plurality of aerosols on the screen; and cleaning a portion of the screen outside of the gas duct. The invention also provides various apparatuses for use in performing the method of the invention.

Abstract: The invention refers to a device and a method for cleaning a gas containing particulate impurities. The device includes a main separator having an inlet for the gas, an outlet for the gas and a rotating member provided between the inlet and the outlet. The rotating member is adapted to bring the gas to rotate for separating by means of centrifugal forces a main amount of the particulate impurities from the gas, wherein a rest amount of the particulate impurities remains in the gas. The device also includes an additional separator adapted to separate substantially the whole rest amount. The additional separator includes an electrostatic filter.

Abstract: The present invention relates to a device and method for separating particulate material from a gas flow, comprising a substantially elongate housing provided with a peripheral wall and an inlet opening for admitting the gas flow with particulate material into the housing; a number of electrodes extending in the housing up to a predetermined radial distance from the peripheral wall; and an outlet opening arranged downstream in the housing for discharging the gas flow, wherein the outlet opening extends from the axial centre line of the housing to a point some radial distance from a peripheral wall of the housing, and wherein the particulate material is guided into an intermediate space between the outlet opening and the peripheral wall.

Abstract: Methods, devices, and systems, and devices for carrying out sorption (adsorption and absorption) for separating and/or purifying fluid mixtures are disclosed. Medical oxygen generators, dehumidifying units, sorptive heat pumps, ozone generators and Peltier devices are also disclosed. The sorption methods involve pressure swing operation of at least two sorption units. Energy from the desorbing and decompressing fluid is substantially recovered and used within the system.

Abstract: A gas port assembly is provided for supplying or removing one or more gases to a powered electrode in a plasma processing chamber. The chamber has at least one electrode (11) to which an alternating electrical potential is applied in use, the assembly being electrically insulated from the electrode(s). The assembly comprises, a number of dielectric members (15) and a number of electrically conductive members (16). The members are arranged in a stack of alternating dielectric and electrically conductive members. Each member comprises at least one gas pathway for the passage of the gas(es), such that when stacked, the gas pathways are in communication with each other and the gas(es) are able to pass between an outer side of the stack and a chamber side of the stack. The members act as a capacitive divider to reduce high voltages within the assembly.

Abstract: An air purifier to improve air quality for breathing is disclosed. A magnetized torch module that passes a large air flow is designed. The emission spectroscopy of the torch indicates that the plasma effluent carries an abundance of reactive atomic oxygen (RAO), which can effectively kill all kinds of microbes. The invention employs two torch modules which run alternately to generate non-thermal plasma for air treatment via both thermal/non-thermal processes. The air flow through the on-torch module is mainly treated thermally. A controlling air valve is designed to direct the exiting airflow of the off-torch module to pass through the plasma torch of the on-torch module for non-thermal treatment. The controlling air valve also works to turn the torch modules on and off synchronizing with the closing and opening of the two air valves in the controlling air valve. This device purifies ambient air in a fast rate and kills microbes thoroughly.

Abstract: An emission treatment system includes a separation device having a vessel that includes an inlet for receiving an emission stream having entrained solid particles. A first outlet from the vessel discharges captured solid particles from the emission stream and a second outlet from the vessel discharges a clean stream having fewer entrained solid particles than the emission stream received into the separation device. A particle collector is fluidly connected with the separation device and includes a collection portion for capturing solid particles from the emission stream.

Abstract: An inlet air filtration system for a gas turbine includes, in an exemplary embodiment, an air plenum, and a plurality of filter elements mounted inside the air plenum, with each filter element including a support structure. The inlet air filtration system also includes a plurality of electrodes positioned proximate the plurality of filter elements, where the electrodes are coupled to a power source which supplies a voltage to the electrodes. The voltage is sufficient to establish an electrostatic field between the electrodes and the filter elements, and at the same time, the voltage is sufficient to produce a corona discharge from the electrodes.

Abstract: A system for removing sulfur dioxide (SO2) from SO2 laden flue gas resulting from the burning of fossil fuel, includes an absorber and first and second separators. The absorber captures SO2 from a flow of the SO2 laden flue gas with a sorbent. The first separator separates a first portion of the sorbent with captured SO2 both from a second portion of the sorbent with captured SO2 and from the flue gas. The second separator separates the second portion of sorbent from the flue gas.

Abstract: A particulate filtration system for removing particulates suspended in a fluid that includes: 1) a filter element; 2) a pre-collector body component operably connected to the filter element and capable of receiving an electrical charge to attract and remove particles suspended in the fluid; and 3) means for cooling the pre-collector body component. The means for cooling the pre-collector body component may include a convective cooling channel through which a coolant flows. The system may further include a discharge electrode spaced apart from the pre-collector body component. The discharge electrode may be capable of receiving an electrical charge causing a difference in the electronic potential between the pre-collector body component and the discharge electrode.

Abstract: An air conditioning system includes an air flow pathway extending through a housing from an inlet to an outlet. Air conditioning apparatus is disposed in the airflow pathway between the inlet and the outlet conditioning an air stream passing through the air flow pathway from the inlet to the outlet. A modular electrically stimulated air filter apparatus is carried by opposed, parallel frameworks mounted in series in the air flow pathway between the inlet and the air conditioning apparatus filtering entrapping contaminants in the air stream flowing through the housing from the inlet to the outlet. The opposed parallel frameworks are mounted to opposed supports affixed to the housing.

Abstract: A pipe separator for the separation of fluids, for example the separation of oil, gas and water in connection with the extraction and production of oil and gas from formations beneath the sea bed. The pipe separator includes a pipe-shaped separator body (1) with an inlet and outlet that principally corresponds to a transport pipe (4, 7) to which the pipe separator is connected. The pipe separator further includes a pipe bend or loop (2) arranged in the pipe separator or in connection with its outlet to form a downstream fluid seal in relation to the pipe separator body (1), which is designed to maintain a fluid level in the pipe separator, but which also allows the pipe separator (1) and the loop (2) to be pigged.

Abstract: An apparatus for purifying air, in particular for ventilation and air-conditioning systems, has an air filter (11), which is inserted in an air channel (10) or in a filter wall for collecting dust. A dust agglomerator (12) with a DC voltage field is connected directly upstream of the air filter (11). In conventional filters, the efficiency is increased to such an extent that the dust throughput can be approximately halved. In addition, the initial efficiency is only insignificantly reduced during the operating time.

Abstract: An air filter including a plurality of air-pervious sheets of electret filtration material. The sheets are disposed in a parallel relationship to form a stack of sheets, and each of the sheets has a plurality of slits formed therein for subsequent expanding to form openings. The stack is connected together at opposing ends, such as by bonding. The sheets can be pleated by mounting in a frame. The frame has opposing ends to which the opposing ends of the stack are mounted. The filter media initially has no frame and is not pleated, but is in a flat pad form that is expanded to be installed into a frame. The frame is then mounted in an appliance, such as a room air filter. When the filter is inserted into the filter housing it is expanded and can take a pleated form.

Abstract: A pipe separator is for separation of fluids, for example separation of oil, gas and water in connection with extraction and production of oil and gas from formations under a sea bed. The pipe separator comprises an extended, tubular separator body having a diameter at inlet and outlet ends that is mainly equal to or slightly greater than a diameter of a transport pipe to which the separator body is connected. A cyclone is arranged upstream of the separator body for separation of any gas present. An electrostatic coalescer is incorporated in and constitutes an integrated part of the separator body.

Abstract: An filter assembly comprises a sleeve coupled to an external surface of an electronic device and disposed at least partially over an airflow vent of the electronic device, the sleeve configured to receive insertion of a filter element therein.

Abstract: In an air purifier including a streamer discharge part (40) generating plasma by streamer discharge, a catalytic part (34) promoting the treatment of air using active species contained in the plasma and a dust collecting part (33) collecting dust in the air, the streamer discharge part (40), the dust collecting part (33) and the catalytic part (34) are arranged in sequence from the upstream side of the air flow to allow the entire face of the catalytic part (34) to effectively work and also permit the elimination of fungi and the inactivation of allergens in a dust collecting part (33).

Abstract: Parts-attaching grooves are formed at both side surfaces of an ionizer main body, and an auxiliary member for extending parts is detachably latched to the parts-attaching grooves. Parts, such as sensors, filters, and so forth are extended by means of the auxiliary member. The aforementioned parts attaching grooves are constructed such that a lower side groove wall is slanting in a gradually outside-down manner toward a groove opening side, and further the auxiliary member includes a projection edge for latching, at a tip end of left and right side walls, and the auxiliary member is attached to the aforementioned ionizer main body by means of elastically latching the projection edge to the aforementioned parts-attaching groove.

Abstract: A composite filter media for a vacuum cleaner comprising a first filtration layer comprising a slit film having a plurality of continuous electrostatically-charged polyolefin filaments disposed substantially parallel to each other along their lengths; and a second filtration layer comprising a high-efficiency filtration media selected from wet-laid filter paper, dry-laid filter paper, and nonwoven filter media; wherein said first filtration layer is disposed in series with said second filtration layer, with respect to an air flow direction through said vacuum cleaner, to form a composite.

Abstract: A separable air purifying apparatus is provided, in which a number of purifiers whose purifying capabilities for particular pollutants are reinforced by each purifier are disposed in a space meeting each purifying characteristic in order to enable an independent operation for a custom-made purification, and are integrally combined with each other to thereby make a combination of a driving ratio of each purifier according to a degree of pollution and perform a combination operation of purification. The separable air purifying apparatus inhales external air by ventilation modules incorporated in respective cases and purifies the external air by filter members, to then discharge out the purified air. That is, the separable air purifying apparatus includes controllers controlling the ventilation modules and a main purifier and an auxiliary purifier each which are independently operated by respective power supplies.

Abstract: Disclosed is a filtration enhancement apparatus and an associated method. The apparatus includes a number of electromagnetic grids that are placed in series. The first grid conditions ambient particles to generate particles with both a positive and a negative charge. These charged particles are then delivered to a second and third grid wherein a low, medium, and/or high frequency alternating current is employed to force the positive and negative charged particles to collide and conglomerate with one another. The conglomerated particles are then sent into the ambient environment for subsequent filtration.

Abstract: A mist elimination device in the form of a hood for the removal of moisture from a gas stream treated by a WESP includes a series of gutters on the outer surface of the hood to trap liquid droplets and direct the moisture to channels to drain to the lower region of a housing. Gutters are also provided on the interior surface of the hood to catch liquid droplets carried by the gas stream into the interior of the hood.

Abstract: In an air purifier including a streamer discharge part (40) generating plasma by streamer discharge, a catalytic part (34) promoting the treatment of air using active species contained in the plasma and a dust collecting part (33) collecting dust in the air, the streamer discharge part (40), the dust collecting part (33) and the catalytic part (34) are arranged in sequence from the upstream side of the air flow to allow the entire face of the catalytic part (34) to effectively work and also permit the elimination of fungi and the inactivation of allergens in a dust collecting part (33).

Abstract: A vehicle passenger compartment air filter device comprising a filtration medium comprising a nonwoven web of electret charged thermoplastic microfibers as a filter layer, said microfibers having an effective fiber diameter of greater than 10 ?m and comprising a thermoplastic resin having a resistivity greater than 1014 ohm·cm and an additive selected from fluorochemical compounds or oligomers, organic triazine compounds or oligomers, hindered amine compounds, aromatic amine compounds, nitrogen containing hindered phenols, metal containing hindered phenols and mixtures thereof; said web having a basis weight less than 60 g/m2; and a gas adsorption layer comprising an adsorbent particle loaded layer and optionally further comprising a support layer and/or a cover layer bonded to said adsorbent layer; the basis weight of adsorbent particles in gas adsorption layer being at least 150 g/m2; wherein the filter layer is upstream from the gas adsorption layer and wherein the filter layer and gas adsorption layer are

Abstract: A flue gas purification system comprising in the flue gas stream an electrostatic precipitator, mercury sorbent injection and a two-stage electrostatic separator, and wherein the mercury sorbent injection is positioned between the electrostatic precipitator and the two-stage electrostatic separator.

Abstract: A method of utilizing a filter having a filter body removing solid particles from a fluid, in order to extend the life cycle of the filter body before cleaning or replacement thereof is required, characterized in applying to the fluid, upstream of the filter body, an AC electrical field of a frequency and intensity to agglomerate solid particles in the fluid reaching the filter body, such as to reduce the number of smaller particles in the fluid tending to clog the filter body. Also described are a plurality of filter constructions for extending the life cycle of the filter body in accordance with the above method.

Abstract: The electric dust collector has an oblong holding unit provided on the air channel of an air conditioner or the like; a high-voltage applying device provided at an end of the holding unit; a front-open contact protector of substantially inverted U-shape that contains a high-voltage power feeding terminal connected to the high-voltage applying device; a filter unit attached to the holding unit; and a slide projection provided on the filter unit. The slide projection has a high-voltage power receiving terminal removably fitted into the contact protector, allowing the filter unit to be removably attached to the holding unit. The high-voltage power feeding terminal covered with the contact protector is free from dust collection. The structure can prevent contact failure or electrical leak.

Abstract: A device separates particulates from a gas stream flowing through the device. The device includes at least one high voltage electrode and a substantially cylindrical separator. The high voltage electrode applies a first voltage to the gas stream. The separator has an inlet for introducing the gas stream into the separator tangentially to an interior wall of the separator, a particulate outlet for expelling the particulates from the separator, and a gas stream outlet.

Abstract: A particulate filtration system for removing particulates suspended in a fluid include, in an exemplary embodiment, a filter element and a pre-collector body component operably connected to the filter element. The pre-collector body component is capable of receiving an electrical charge to attract and remove particles suspended in the fluid.

Abstract: An air conditioning apparatus includes a cabinet having air inlet and outlet openings and an intense field dielectric air filtration system disposed in the cabinet between the inlet and outlet openings. The filtration system includes a field charging unit and a filter unit. The filter unit may be mounted for removal from the cabinet on spaced apart support brackets connected to the cabinet or to a frame of the field charging unit. Electrical contact elements may be supported by the support brackets for engagement with corresponding contact elements on the filter unit and charging unit for establishing electrical communication between a power supply and the charging unit and filter unit, respectively. A shorting bar is aligned with the contact members on the filter unit for discharging high voltage potential upon removal of the filter unit from the cabinet.

Abstract: This invention relates to the field of connectors used to connect gas sources to apparatus for the administration or other use of gas or mixtures of gases, and more specifically to filters used to remove biological contaminants that might be colonized with the pressurized containers used in gas administration for respiratory support of a user or patient or other applications where biological contamination is not desired.

Abstract: Air decontamination devices in one example include a filter directly exposed to ultraviolet (“UV”) radiation on an upstream side and a downstream side. Ozone may be provided to permeate the filter, as well. Reflectors may be provided to reflect UV radiation emitted in a direction away from the filter, towards the filter. The filter may be a V-bank filter, for example. Air sampling ports and prefilters may be provided. The air decontamination units may be used to decontaminate the air after industrial and medical contaminations and terrorist biological, chemical and radiological attacks, for example. Mobile isolation units, and methods of decontaminating rooms, are disclosed, as well.