Abstract: A biocompatible polymeric membrane includes pores defined between two material layers, where the first membrane material layer includes strips, and the second membrane material binds to each of the plurality of first membrane material layer strips includes a plurality of windows exposing each of the first membrane material strips. The biocompatible polymeric filtration membrane comprises pores defined by uniform passages defined by the first membrane material layer strips and the second membrane material layer within each window.

Abstract: Provided are spacers, ion-exchange devices comprising spacers, and methods of preparing spacers for improved fluid distribution and sealing throughout an ion-exchange device. These spacers can include an internal cavity surrounded by a perimeter of the spacer. The perimeter can have a first opening and a second opening within the perimeter, and the first opening and the second opening can be located on opposite sides of the internal cavity. The spacers can also have a first and second plurality of channels located within the perimeter, wherein each channel of the first and second plurality of channels extends from the internal cavity towards the first opening or the second opening.

Abstract: A system (1; 101) and a method for purification of oil, said system comprising:—at least one feed tank (3) comprising oil to be purified;—a separation aid dosing device(13);—at least one basic sedimentation tank (21a, 21b) comprising at least one inlet (23a, 23b) connected to the feed tank (3) and to the separation aid dosing device (13) for receiving oil to be purified and separation aid, said at least one basic sedimentation tank (21a, 21b) further comprising at least one sludge phase outlet (41a, 41b) provided in a bottom part (37a, 37b) of the basic sedimentation tank and at least one oil phase outlet (39a, 39b);—at least one advanced sedimentation tank (121) comprising at least one sludge phase inlet (122) connected to the at least one sludge phase outlet (41a, 41b) of the at least one basic sedimentation tank (21a, 21b), said advanced sedimentation tank (121) further comprising at least one sludge phase outlet (141; 141a, 141b) connected to a sludge tank (143) and at least one oil phase outlet (139a, 13

Abstract: A regenerative filter that includes a filter housing having inlet and outlet zones; a fluid path provided between the inlet and outlet zones; a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path; and a tube sheet that is supported across the filter housing, that is disposed just before the outlet zone and that provides the support for the plurality of filter elements. The plurality of filter elements are disposed in an an-ay and includes bridging members or elements that connect between adjacent filter elements, and that forms with the filter elements, a closed interstitial space between adjacent filter elements for liquid flow; a nanoscale barrier on interior surfaces, including that of the regenerative media itself, providing a mechanism to disrupt the cell wall of microscopic viruses and organisms.

Abstract: Method for arranging on a component of a recipient (100) a gas filter comprising a filter layer of filter material (120) and a cover layer of covering material (130), wherein the filter layer (120) is located between the component of the recipient (100) and the cover layer (130), the method further comprising: welding the filter layer (120) and the cover layer (130) to the component of the recipient (100) by arranging welds (140) such that between two welds (140), welds tunnels (150) filled with filter material (120) are formed, which are intended to enable gas exchange between the interior of the recipient (100) and an area externally of the recipient (100).

Abstract: A tangential filter for filtration of a fluid includes a support element, wherein, along a transverse plane perpendicular to the central axis of the support element a) the support element includes in its central portion only inner channels that do not share a common wall with its outer surface, the inner channels having a substantially equivalent hydraulic diameter, b) the support element includes peripheral channels, including at least first and second adjacent peripheral channels, each of the two channels sharing a common wall with the outer surface, c) the ratio of the hydraulic diameter of the first channel to the hydraulic diameter of the second channel is greater than or equal to 1.1, d) the number of peripheral first channels is greater than or equal to the number of peripheral second channels, e) the second channel has a hydraulic diameter substantially identical to the hydraulic diameter of the inner channels.

Abstract: A sand screen for installation in a well includes a flow-through element having a center line running in the longitudinal direction of the flow-through element; and a filtration device. The flow-through element has an internal cavity extending over at least parts of a length of the flow-through element. There are a plurality of openings over the length of the flow-through element. The openings, via the filtration device, provide communication between an outer surface of the flow-through element and the internal cavity. The sand screen is flexible in a radial direction and in an axial direction.

Abstract: A filter device comprises an inner filter element and an outer filter element, which can be inserted into each other, wherein the outer filter element comprises a supporting frame that is the carrier of a filter medium of the filter element, and the inner filter element is supported on the supporting frame of the outer filter element.

Abstract: A fluid filter apparatus comprising an upper housing shell; a lower housing shell; a pleat pack element comprising a peripheral frame and a folded pleated media. The frame is at least partially molded over the media to secure the media in the frame, and the media comprises two or more types of media of different densities from each other. A flow control element is disposed for changing the proportion of flow between the first media and the second media responsive to changes in at least one of temperature, pressure, flow rate and/or viscosity of the fluid.

Abstract: A beverage brewer having a cartridge for placement of a disposable single use filter basket filled with beverage grounds. The filter basket includes a plastic frame having a bottom, a plurality of ribs, and a top rim that define a plurality of openings covered by a non-woven or woven plastic filter material. The basket filled with beverage grounds is enclosed with a film cover. The inlet probe of the brewer pierces the cover and admits a heated liquid into the beverage grounds, and creates a brewed beverage that flows through the filter material and exits an opening in a bottom portion of the cartridge.

Abstract: A disposable single-use beverage filter basket filled with beverage grounds, and a beverage brewer having a cartridge for placement of the beverage filter basket. A permeable filter basket has a rigid frame having a bottom, a plurality of ribs, and a top rim that define side openings, and a non-woven filter medium that is bonded thermally to the material of the frame to cover the side openings. The non-woven filter medium is made of recyclable or compostable plastic or bio-polymer, and frame is made of the material of the non-woven filter medium. The permeable filter basket is filled with beverage grounds and enclosed with a film cover. The inlet probe of the brewer pierces the cover and admits a heated liquid into the beverage grounds, and creates a brewed beverage that flows through the filter material and exits an opening in a bottom portion of the cartridge.

Abstract: A number of purifying packages containing layers of fibrous batting confining granules of substances which can remove toxic species from flowing water are arranged in an abutting planar array sandwiched between rigid grates.

Abstract: A microporous membrane winding includes a microporous membrane wound around a core. The core has an outer diameter of 5 inches or greater, and has an outer surface with a surface roughness of 3.0 ?m or less. A microporous membrane that is excellent in thickness uniformity and is favorably used as a separator for a lithium-ion secondary battery can be obtained from the microporous membrane winding.

Abstract: The present invention is a method and material for using a sorbent material to capture and stabilize mercury. The method for using sorbent material to capture and stabilize mercury contains the following steps. First, the sorbent material is provided. The sorbent material, in one embodiment, is nano-particles. In a preferred embodiment, the nano-particles are unstabilized nano-Se. Next, the sorbent material is exposed to mercury in an environment. As a result, the sorbent material captures and stabilizes mercury from the environment. In the preferred embodiment, the environment is an indoor space in which a fluorescent has broken.

Abstract: A quick release pool skimmer basket apparatus includes a basket having a sidewall, a filter element coupled to the sidewall to move between an open position and a closed position, and a handle extending upwardly from the basket. A trigger in the handle is operatively coupled to the filter element to hold the filter element in the closed position. Activation of the trigger releases the bottom from the closed position to the open position.

Abstract: Water filtration apparatus with compostable filters are disclosed herein. A water filtration apparatus in accordance with one embodiment of the disclosure includes a fluid containment vessel having a conically shaped upper chamber and a conically shaped lower chamber. A filter assembly is seated within the upper chamber and carries a compostable filter device that fits within a filter cavity of the filter assembly.

Abstract: Fluid filtration systems that have openings in their sump closures are provided. Spouts for processed fluid may be added to direct flow of processed fluid. The spouts may be attached, permanently or removably, to the sump closures or to media cartridges. The system comprises: an inlet, an unprocessed fluid outlet, and a processed fluid outlet; a sump housing and a sump closure operatively associated therewith, the processed fluid outlet being located through the sump closure; a media cartridge located in the sump housing, the media cartridge providing processed fluid upon contact with unprocessed fluid; and a diverter. Flow of processed fluid may be directed through any desired angle when a rotatable structure is included in the system. Filtration systems may easily be cleaned and/or sanitized.

Abstract: A square ink filter vessel for a printing press, like a rotogravure printing press, a flexographic printing press, or other like printing presses, includes a container having a substantially rectangular shaped cross-section with an open top, an outlet port on one side approximate the bottom of the container, a sloped bottom, where the sloped bottom being toward the outlet port, an inlet port on one side approximate the top of the container, and an internal ledge. A lid is adapted to close the open top of the container. A hinge couples the lid to the container, where the lid is hinged to the container on one side. A lid compression device is adapted to compress the lid to the container. A containment basket is adapted to fit inside the container, and has a plurality of holes on all sides and a lip adapted to rest on the internal ledge of the container.

Abstract: A system for separating bodily fluid constituents is disclosed. The system includes a first substrate which, in a first main surface, has a first cavity for holding a bodily fluid sample, a second substrate, which, in a first main surface facing the first substrate, has a second cavity) for holding constituents separated from the bodily fluid sample, which second cavity lies opposite to the first cavity, a filter layer, which is arranged between the first substrate and the second substrate and which is designed to separate constituents of the bodily fluid sample in the first cavity and to pass the separated constituents to the second cavity, and a first thermoplastic connection layer, which is arranged between the first substrate and the filter layer, interconnects the first main surface of the first substrate and the filter layer in a fluid-tight manner and has a cutout lying opposite to the first cavity.

Abstract: A feather oil absorbent boom structure comprising an inner core and an outer ring winding outside the inner core; the inner core is a cloth bag, and the cloth bag is filled with feather oil absorbent material; the cloth bag is made of spunbonded-melt blown-spunbonded polyporpylene non-woven cloth; the outer ring is a plate-shaped oil absorbent felt formed through thermal fusion of feathers and bicomponent fibers of polypropylene/polyethylene having a low melting point; the weight ratio of the feathers to the bicomponent fibers is 70-85:15-30. The feather oil absorbent boom is capable of providing reliable buoyancy, and slowing down the reduction of the strength of the inner core. Further disclosed is a preparation method for the feather oil absorbent boom structure.

Abstract: The invention relates to a cartridge (890) for processing a fluid, comprising (i) a fluid-treatment element (801) that is permeable to at least a part of the fluid, and (ii) a processing chamber (855) that is disposed adjacent to the fluid-treatment element (801) and in which treated fluid that has passed said fluid-treatment element can be processed. The fluid-treatment element may particularly be a filter material (801) integrated into at least one foil (802, 803, 804).

Abstract: A standalone aquarium filter with a filter cage having a hinged or detachable top cover and a filter bag. The filter bag is adapted to be filled with a filtering medium. The filter cage has sides with openings sized to allow water to flow substantially transversely through the at least one filter cage and through the at least one filter bag. The filter cage is adapted to stand alone on the bottom of an aquarium tank while the filled filter bag remains substantially vertical within the at least one filter cage. A bottom portion of the filter cage further includes a ballast to stabilize the position of the at least one filter cage. The plastic material is selected to be strong enough to prevent most aquarium fish from accessing the filter media bag and scattering filter media throughout the tank.

Abstract: Hollow fiber cartridges and components and methods of their construction.

Abstract: Method for the removal of organic components from a mixture of organic components and water, characterized in that it comprises the steps of guiding the mixture through at least one vessel (3) in which has been provided an amount of organoclay (17) in at least one removable casing (18) which is permeable to liquids and gasses but not to organoclay particles, or on a supporting structure (28) from where the organoclay particles cannot come off, such that the amount of organoclay particles is at any time part of a removable entity; and of producing a flow through the aforesaid mixture in this vessel (3) by guiding a flow of gas bubbles through this mixture.

Abstract: The invention concerns a filter element for liquids, in particular for cooling, lubricating or processing liquids, including a filter body, in particular formed of a flat filter medium, surrounding an interior, having two end faces that along a longitudinal axis are spaced apart, and having an outer outflow surface, and further comprising a liquid-permeable, elastic, in particular porous, cover for reducing spraying that is stretched across the filter body and encloses its outflow surface substantially completely.

Abstract: A removable device that ensures that the port of a filter cartridge is liquid tightly sealed to the port of the head of a housing even when there is insufficient room beneath the bowl to allow one to physically secure the cartridge port to the head port before securing the head and bowl together. The invention uses one or more removably attached alignment devices to center the cartridge in the bowl and maintain it at a height sufficient to ensure that the two ports are aligned and liquid tightly sealed to each other when the bowl and head are mated together.

Abstract: Battery spill containment trays, battery spill containment systems, and methods of battery spill containment are provided. A spill containment system includes a tray mountable on a rack and including a support surface for supporting a device thereon; and an absorbent member removably installed on the tray below the support surface and configured to absorb a spilled substance of the device.

Abstract: A system to permit separation of liquid and solid refuse in a single trash bin receptacle to facilitate the reliable sanitary disposal of such mixed items is provided. The overall system includes a trash receptacle device for deposit and separation of liquid and solid refuse including a reservoir for separated liquids as well as an easy-to-use and -operate liquid removal component, and a removable thermoplastic, flexible collection bag with appropriately located openings that allow for fluid transfer via gravitational forces and yet still retains suitable dimensional stability to collect and retain substantially all deposited solid refuse during further transport. Such a new system is particularly useful in retail settings (i.e., restaurants, bars, hospitals, fast food places, and the like) wherein quick clean-up of patrons' refuse is necessary without the requirement for inefficient separation of liquid and solid items by hand.

Abstract: A bottle comprises a cap, a reservoir having an open top closeable by the cap, and a filter holder that houses a filter, the filter holder being coupled to the cap such that a liquid in the reservoir is filtered by the filter as the liquid is being consumed, and the filter is fluidly decoupled from the reservoir when the cap is disengaged from the reservoir. Preferred filters can be constructed out of high reactivity carbon mixture, activated carbon, iodinated resin, combinations thereof, or any other suitable compositions for filtering water or other liquids, and can be molded into any suitable size and shape. Preferred filter holder can have a top portion and a bottom portion that couple together via a snap fitting, mating threads, or any suitable means, which allow access to the filter, and which have numerous vents that allow liquid to freely flow through the filter.

Abstract: A filter element that has at least two, planar, non-curved filtration panels. In a preferred embodiment, the filter element has three panels, providing a generally triangular filter element. The outlet aperture, from the filter element, generally follows the configuration of the filter. That is, a filter element having three filtration panels will have a generally three-sided outlet aperture. The outlet aperture preferably is not a true polygon, but rather, includes rounded or curved sides and/or corners. The filter element includes an outlet sealing configuration that may provide both axial and radial sealing to outlet ductwork.

Abstract: Disclosed herein are wedge-shaped filter cartridges having a maximized upstream surface area. The filter cartridges are modular and may be stacked in a filter cartridge system.

Abstract: A filter media component containing activated carbon, which undesirably filters chlorine from water in an aquatic reservoir in which a minimum level of chlorine is desired to be maintained, is inserted into a fluid pumping path for water from the reservoir to reduce levels of cyanuric acid without purging the reservoir. Once levels of cyanuric acid drop below a target reduced concentration, chlorine and other required chemicals may be added to the water to restore proper water balance and increase the chlorine concentration to at least the minimum level of chlorine desired to be maintained. The process, which can be completed in a short period of time with sufficient quantities of activated carbon, need only be performed seasonally of periodically and avoids waste and potential damage associated with purging and replacing the water within the aquatic reservoir to reduce cyanuric acid levels.

Abstract: A container for the filtration of liquid is described, which has a cup and a cover mounted on the cup. The cup is at least partly filled with a filter material and has at least one outlet window for the liquid. The cover has at least one inlet window and at least one outlet window for air, wherein at least the windows have lattice-like structures with lattice openings. The air outlet window has at least one recess extending inward from the plane of the window, which is provided at least partially with at least one lattice structure.

Abstract: The present invention provides an oil-water separating device and a floating oil collecting system. The device comprises an oil gathering chamber (2) enclosed by a wall (1). At least a part of the surface of the wall (1) is covered with a porous, oleophilic and hydrophobic layer (3), which allows penetration of water and oil. The device further comprises a fixed layer (4) covering on the surface of the porous, oleophilic and hydrophobic layer (3) for limiting the flowing of the porous, oleophilic and hydrophobic layer (3), which allows the penetration of water and oil. The pore diameter of said porous, oleophilic and hydrophobic layer (3) is 300-850 ?m, and the porosity is 10-40%.

Abstract: A system, that may be portable, for purifying liquid flowing gravitationally from a source/reservoir into a purified liquid receptacle is described. The system includes a housing with a generally horizontal filtering space. More than one liquid inlet disposed at a top portion of the filter is provided as well as one or more liquid outlets disposed at a bottom portion. The liquid flows in a generally lateral direction through the liquid treatment medium. Two or more first walls extending upwardly into the filtering space from a bottom wall thereof and ending with an apex are provided inside the device. One or more second walls downwardly extending into the filtering space from a top wall thereof are also provided. Each of the walls defines a closed path. The first and second walls jointly cause the liquid to flow in a curvilinear flow path from the inlet to the outlet.

Abstract: Means for reducing an arsenic ion concentration in the solution to the degree of ultra trace amount are provided. Ammonium molybdate is supported by a nanostructure material by mixing the nanostructure material, which is obtained after the nanostructure material such as an alumina reacts with a surfactant, in the solution containing the ammonium molybdate. The nanostructure material supporting an arsenic ion adsorption compound such as ammonium molybdate can selectively adsorb and remove trace of arsenic ion in the solution by a room temperature treatment without a water conditioning such as pH control. In our removal system of arsenic, extra posttreatments are not needed because special pretreatments are not carried out, and special heating equipments are not used. Accordingly, our removal system of arsenic can be constructed at low cost. Furthermore, it can supply an arsenic-free solution by be constructed at multi stages.

Abstract: A square ink filter vessel for a printing press, like a rotogravure printing press, a flexographic printing press, or other like printing presses, includes a container having a substantially rectangular shaped cross-section with an open top, an outlet port on one side approximate the bottom of the container, a sloped bottom, where the sloped bottom being toward the outlet port, an inlet port on one side approximate the top of the container, and an internal ledge. A lid is adapted to close the open top of the container. A hinge couples the lid to the container, where the lid is hinged to the container on one side. A lid compression device is adapted to compress the lid to the container. A containment basket is adapted to fit inside the container, and has a plurality of holes on all sides and a lip adapted to rest on the internal ledge of the container.

Abstract: Systems and methods employing beds of bagged and caged absorbent and adsorbent materials are disclosed. These inventions are useful in the area of solid phase extraction.

Abstract: A fluid flow channel may include a scavenger system, which may expel solids from the channel. The channel may be supported by structure and include a floor surface, a transition surface, and a ramp surface. The scavenger system may include an actuator that may be pivotally mounted to the structure. The actuator may be attached to a face plate framework which may include a box structure for increased strength. The actuator may propel the face plate framework across the floor surface, transition surface and ramp surface of the channel. The face plate framework may be adapted for rolling reciprocating contact with the channel surface. The channel floor may afford a park position for the scavenger system and the ramp surface may be angled to reduce jamming of the scavenger system. The channel may also include a wear plate to reduce wear between the scavenger system and the channel.

Abstract: A filter medium for removing particles from a fluid flow has a pre-filter layer and a fine-filter layer joined to each other in the flow direction. A first supporting layer is attached to the unfiltered side of the pre-filter layer and a second supporting layer is attached to the filtered side of the fine-filter layer in order to absorb the longitudinal and transverse forces in the event of tensile loading. The traverse force absorbing layer has a greater bending stiffness in a traverse direction while the longitudinal force absorbing layer has a greater bending stiffness in a longitudinal direction.

Abstract: A gravity-fed, axial flow filtration system for treating water is disclosed.

Abstract: A liquid membrane system is disclosed in the form of a biochannel containing bulk liquid membrane (BLM), biochannel containing emulsion liquid membrane (ELM), and biochannel containing supported (immobilised) liquid membrane (SLM), or a combination thereof, wherein said liquid membrane system is based on vesicles formed from amphiphilic compounds such as lipids forming a bilayer wherein biochannels have been incorporated and wherein said vesicles further contain a stabilising oil phase. The uses of the membrane system include water extraction from liquid aqueous media by forward osmosis, e.g. for desalination of salt water.

Abstract: A filter cartridge includes a housing, a lid, a filter element and a positioning cylinder. The lid is provided for covering an opening of the housing. The filter element is disposed in the housing. The positioning cylinder together with the filter element is disposed in the housing and defining a passageway for reception of the filter element. Further, the positioning cylinder includes a plurality of bulging portions disposed about the passageway and each protruding toward a centerline axis of the passageway. The bulging portions of the positioning cylinder have their highest points equally spaced apart from the centerline axis of the passageway.

Abstract: The steel-reinforced HDPE rain harvesting system collects, stores, and pumps harvested rain water for a variety of non-portable uses. The rain harvesting system includes either a horizontally disposed or vertically disposed steel-reinforced plastic cylindrical wetwell connected to an inlet pipe. The inlet pipe discharges rain water into a rain filter made from a pervious concrete manhole lined with a replaceable 20-micron filter cloth. The rain filter allows rain water into the storage section of the wetwell. A high water alarm is disposed in the rain filter and alerts maintenance personnel to clean the filter when needed. A submersible pump is housed in an HDPE pump sleeve outside the wetwell and conveys effluent from a forcemain at the wetwell's bottom portion to a target area. A level monitoring system disposed inside the wetwell selectively activates the pumping system. Maintenance hatches atop the unit are included.

Abstract: A system and method for capturing ecologically harmful substances in the nature of hydrocarbons from the surface of a body of water or from the ground adjacent a landfill or waste dump or from a shoreline of a body of water into which residual waste fluids from an adjacent ground leakage is passed. The system and method including a plurality of modular traps. The traps having a side, end, top and bottom panels constructed of a material that allows fluid flow therethrough.

Abstract: A filter system for removing contaminants from oil based industrial liquids and the like includes a support tube with a permeable sidewall through which the industrial liquid flows in an inside out direction. A multilayer coalescence media surrounds the support tube, and includes at least one layer of a non-woven fibrous material that is partially wettable by the dispersed water in the industrial liquid, and commences coalescence of the same to form small primary water droplets, and at least one sheet of a precisely woven monofilament fabric stacked on the downstream side of the non-woven material. The woven fabric is substantially wettable by the dispersed water, and has a fixed open mesh with uniformly sized and spaced apart pore openings which continue to coalesce the primary water droplets into large water drops which fall from the filter for collection along the bottom of the apparatus.

Abstract: Battery spill containment trays, battery spill containment systems, and methods of battery spill containment are provided. A spill containment system includes a tray mountable on a rack and including a support surface for supporting a device thereon; and an absorbent member removably installed on the tray below the support surface and configured to absorb a spilled substance of the device.

Abstract: Solid phase extraction (SPE) disks may be manufactured by providing a suspension comprising glass microfibers and a suspension comprising one or more sorbents and forming a disk by combining the suspensions or by layering the suspensions. This may be followed by a drying procedure to create the finished disk. A disk mold including a collar and plug may be used to establish the size and shape of the disk. Examples of various constructions and processes for forming the disks are provided.

Abstract: A treatment device for treating a potable liquid when submerged into the potable liquid, the treatment device including a porous enclosure enclosing an interior and filter media disposed in the interior of the porous enclosure and configured to adsorb impurities from the potable liquid entering the porous enclosure to yield a purified liquid that exits the porous enclosure, the filter media including activated carbon. In some examples, the treatment device is unaffixedly disposed in the potable liquid and/or is disposable. In some examples, the treatment device includes one or more pockets in the interior of the enclosure. Additionally or alternatively, the treatment device may include a strip incorporating filter media.

Abstract: A mat for cleaning a liquid spill on a surface has a flexible, liquid-permeable outer shell having a top side, a bottom side, and a peripheral edge. The top and bottom sides are mutually fastened at a fastening area so that an interior space is segregated into a plurality of compartments, each compartment retaining an absorbent material therein. The absorbent material is preferably a powdered polyurethane foam material. In one embodiment, the absorbent material within each compartment is contained within a rectangular substantially flat inner section having a top surface, a bottom surface and a peripheral edge, such that the mat is foldable between such inner sections but not easily folded across each inner section.