Abstract: The present invention relates to a fabric disc filter having a structure for preventing damage to a filter panel. In this regard, an object of the present invention is to provide a fabric disc filter having a structure for preventing damage to filter panel, being capable of preventing the filter panel attached to the filter panel from being torn or being disconnected from the filter frame in the washing process of suctioning and removing foreign matter.

Abstract: Some embodiments are directed to a filter for use with a drain, the filter comprising: at least two external manifolds; and multiple vertical plates that each includes a tube connected to one of the at least two external manifolds, wherein two adjacent vertical plates of the multiple vertical plates are connected to different manifolds of the at least two manifolds, each of the multiple vertical plates also including at least one filter element, each of the at least one filter element including: at least two drains; and a cloth defining compartments configured such that the drain is insertable therein.

Abstract: A film-shaped aperture array includes a first principal surface and a second principal surface opposed to each other and a plurality of apertures penetrating the first principal surface and the second principal surface. A projection projecting from the second principal surface in a normal direction of the second principal surface is provided in at least one region in contact with three or more of the plurality of apertures in a part of the second principal surface, when viewed in plan from the normal direction of the second principal surface.

Abstract: The invention relates to a device for culturing cells, which device comprises a bottom wall, at least one side wall as well an upper wall for forming an interior volume that can be shut off from the outside world, a liquid culture comprising cells being present on the bottom wall in use, between the at least one side wall, to which volume fluid can be supplied via at least one supply channel disposed in the upper wall and from which fluid can be discharged via at least one discharge channel disposed in the upper wall.

Abstract: A portable waste water treatment apparatus can be used to treat a flow of waste water in an industrial setting. The apparatus includes a waste water reservoir, a pump within the apparatus transferring a flow of waste water from the waste water reservoir to a filter, the filter which is configured to treat the flow of waste water, a treated water reservoir receiving and holding the treated water, and a shell encapsulating and permitting unitary transport of the waste water reservoir, the pump, the filter, and the treated water reservoir. The filter of the apparatus is further configured to remove oil from the flow of waste water. The treated water can be dispensed from the treated water reservoir upon demand.

Abstract: The air filter assembly with charcoal canister includes an air filter and charcoal canister. The air filter and charcoal canister connect with each other by clamping. The charcoal canister and filter are connected with each other with compact structure and overall appearance. The assembling is simplified, and time and costs are saved.

Abstract: A gate configured to be shipped in a compact disassembled state and assembled in situ into a structurally rigid frame around an area is provided. In one embodiment, the gate includes first and second vertical support posts, a lower horizontal support, a cross-brace, first and second upper vertical posts, a screen, first and second elbow joints, and first and second Tee joints. The elbow joints are configured to couple the vertical support posts to the lower horizontal support. The Tee joints are configured to couple the vertical support posts, the upper vertical posts, and the cross-brace together. The screen is configured to be coupled to the vertical support posts, the upper vertical posts, and the lower horizontal support post. The cross-brace is configured to extend between the first and second vertical support posts at a distance below the upper end of the screen and rearwardly away from the screen.

Abstract: An RF inductor such as a Tesla antenna splices nanotube ends together to form a nanostructure in a polymer foam matrix. High Internal Phase Emulsion (HIPE) is gently sheared and stretched in a reactor comprising opposed coaxial counter-rotating impellers, which parallel-align polymer chains and also carbon nanotubes mixed with the oil phase. Stretching and forced convection prevent the auto-acceleration effect. Batch and continuous processes are disclosed. In the batch process, a fractal radial array of coherent vortices in the HIPE is preserved when the HIPE polymerizes, and helical nanostructures around these vortices are spliced by microhammering into longer helices. A disk radial filter produced by the batch process has improved radial flux from edge to center due to its area-preserving radial vascular network. In the continuous process, strips of HIPE are pulled from the periphery of the reactor continuously and post-treated by an RF inductor to produce cured conductive foam.

Abstract: A device, method and kit for keeping humidity/water away from a concrete foundation and provide insulation. The method comprises providing a plurality of devices comprising a rectangular main body having flat surfaces forming a cavity therein, the main body being configured so as to be stackable horizontally and vertically, and having opposed upper and lower surfaces each comprising a plurality of drainage openings therethrough, and positioning the plurality of devices in contact with the soil-facing surface of the concrete foundation wall such that the lower surfaces of the devices face downward.

Abstract: A filter device for filtering a liquid which includes trash. The device includes a drum for receiving the liquid and trash, wherein the drum includes at least one drum aperture. The device further includes a first pair of filter panels which are adapted for filtering the liquid. The filter panels are spaced apart to form a cavity for receiving the liquid and trash. The device further includes a frame for supporting the filter panels, wherein the frame is coupled to the drum. The frame includes a frame aperture wherein the frame aperture and the cavity form a volume having a cross sectional area sized substantially equal to or greater than the drum aperture and wherein said volume extends to a second pair of filter panels to enable liquid and trash which pass through the drum aperture to also pass through the frame aperture to the second pair of filter panels.

Abstract: Provided are a hollow-fiber membrane unit in which the membranes are prevented from decreasing in permeation rate and the membrane area per unit volume has been rendered suitable and which can hence treat water in an increased rate and a hollow-fiber membrane module which is for use in such hollow-fiber membrane unit. The hollow-fiber membrane module comprises either a hollow-fiber membrane sheet composed of hollow-fiber membranes disposed in a sheet arrangement or a stack of such sheets and a box-shaped water collection member which holds the hollow-fiber membrane sheet or stack, wherein one surface of the water collection member has an opening that is filled with a fixing resin (potting resin) and is for fixing the hollow-fiber membrane sheet stack.

Abstract: A rotary disc filter device includes a rotary drum and one or more disc-shaped filter members secured about the drum. Each disc-shaped filter member includes a filter and a filter support comprising a series of modules. The modules each include a base that is secured to the rotary drum and a support arm projecting outwardly from the base. The modules are interconnected and disposed around the rotary drum.

Abstract: A separation membrane element including a pair of separation membranes containing two separation membranes arranged so that the filtrate-side surfaces thereof are disposed in mutually opposed relation, and a plurality of resin members bonded to both of the mutually opposed filtrate-side surfaces, a peripheral edge of the pair of separation membranes being sealed.

Abstract: A circular filtering disc and a filter device having the filtering disc. The filtering disc includes a circular partition plate having an inner hub and an outer rim, with radial inlet holes formed in the outer rim and introducing water to the partition plate, and a vertical outlet hole formed in the center of the inner hub and discharging pure water; and a filter fabric placed on or below the partition plate, wherein water supplied to the filtering disc passes through the filter fabric and becomes concentrated at the vertical outlet hole, and is discharged from the filtering disc through the vertical outlet hole. In the filter device, raw water is supplied through the circumferential edges of the circular filtering discs stacked on top of one another in the filter device and is filtered prior to being discharged from the filter device through the center of the filtering discs.

Abstract: A high capacity suction strainer for a nuclear reactor has a frame, a flow-through plenum, and a filter array. The flow-through plenum is mechanically mounted to the frame and has a plurality of inlets and an outlet. The filter array is also mechanically mounted to the frame and has a plurality of filter groupings in fluid communication with the inlet on the plenum.

Abstract: Apparatuses and systems for removing water vapor from a gas stream and for providing water purification, recovery and/or concentration. The apparatuses and systems employ a graphene oxide or a perforated graphene monolayer membrane to separate liquid water molecules and/or water vapor molecules from gasses, liquids, and other substances such as a wet muck or an aqueous sample. In one embodiment, an apparatus for removing water from a gas or liquid stream includes a first lumen, a second lumen, and a graphene oxide membrane separating the first lumen from the second lumen. Water molecules within a humid gas or liquid stream introduced into the first lumen pass through the graphene oxide membrane into a dry gas stream introduced into the second lumen.

Abstract: The present invention refers to a module (2) for assembly of a filter frame (1) for at least one filter disc (not shown) of a rotatable disc filter, which filter frame is provided for supporting at least two filter segments (not shown), which filter segments together form the outer part of said filter disc. The module (2) comprises an intermediate member (5) intended to beat least partially provided between two adjacent filter segments.

Abstract: A submerged membrane separator 31 includes: a casing 33 opened at the top; a plurality of flat membrane cartridges 34 arrayed at intervals in the casing 33; and an air diffuser 36 provided below the membrane cartridges 34. The membrane cartridges 34 are movably held in the up-down direction in the casing 33 while having a space ? in the up-down direction. Lifting suppressing members 63a and 63b for restricting a lifting amount of the membrane cartridges 34 during filtration operation to be smaller than the space ? in the up-down direction are provided in the casing 33.

Abstract: The present invention relates to a filter pack formed by stacking rings, being used as a final element in multistage or single-stage filters. The filtration process is performed by consecutively separating the particles in suspension according to the thickness thereof in different areas.

Abstract: Described herein is a structure for a permeate spacer for use in spiral wound osmosis membrane elements, having at least two sets of parallel ribs, wherein the ribs in the first set are oriented at about a 90 degree angle to the ribs in the second set. The permeate spacer is used by sandwiching it inside a membrane envelope or leaf, and is particularly useful for non-pressure-driven processes, such as forward osmosis (FO) and pressure-reduced osmosis (PRO).

Abstract: A hollow fiber membrane module including at least two types of hollow fiber membranes having different inner diameters, comprising first hollow fiber membranes and second hollow fiber membranes, and the equation |PA?P0?|PB?P0| where P0 is an initial pressure applied to upper open ends of the first and second hollow fiber membranes, and PA and PB are respective pressures at lower open ends of the first and second hollow fiber membranes.

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: A filter has an elongated filter envelope with an inner pocket containing filter material and configured to receive fluid filtered by the filter envelope. The filter envelope has a bent position defined by a port portion and a loop portion, the loop portion and the port portion overlapping each other at least partially. A port is attached to the filter envelope proximate the port end and is configured to be connected to a hydraulic device and to allow fluid to be released from the pocket. The filter envelope has a periphery with a sealed rim and a slit splitting a portion of the rim so as to form a flexible retention element unitarily attached to the loop portion of the filter envelope. The retention element is positioned around one of the port and the port portion of the filter envelope to retain the filter envelope in the bent position.

Abstract: A device which is suitable for treating a fluid comprises an elongated foil formed of a plurality of foil layers arranged in zigzag fashion, wherein a first foil layer is connected to a second foil layer at a first end. The second foil layer is connected to a third foil layer at a second end remote from the first end. Spacers are arranged between said foil layers. The spacer comprises a mesh-like layer, through which fluid can flow in the plane of the mesh-like layer as well as transversely to the plane of the mesh-like layer.

Abstract: A method and treatment unit for removing particulate mercury from aqueous streams such as wastewater streams from hydrocarbon processing is disclosed. Mercury solids are removed by means of a surface filter configured in the shape of a bag. The separated solid mercury can be thickened and dewatered by removing the spent filter bag from service and allowing the water to drain and/or evaporate. The dewatered solids can then be disposed of together with the spent bag to an approved solid waste disposal facility. Coagulants, flocculants, and mercury precipitants can be injected upstream of the filter bag if required to increase removal efficiency by precipitating dissolved ionic mercury and increasing the particle size of the mercury solids. Following bag filtration, activated carbon or an alternative technology (e.g.

Abstract: A reverse osmosis element is provided. The reverse osmosis element includes a plurality of permeate tubes arranged to form a core frame. The reverse osmosis element further includes a plurality of leaves wound over the core frame. Each leaf of the plurality of leaves is coupled to one permeate tube of the plurality of permeate tubes. A retentate channel is defined by the plurality of permeate tubes of the core frame, and sealed by the plurality of leaves wound over the core frame. The reverse osmosis element includes first and a second end caps coupled to the plurality of permeate tubes. At least one of the first and the second end caps includes a retentate discharge port, and at least one of the first and second end caps includes one or more permeate discharge ports.

Abstract: A method and an apparatus for separating suspended matter from liquid includes a concentrator filter that draws the liquid out of the suspension while the filter kept unblocked by a sparging filter that allows scrubbing of the concentrator filter by gas bubbles. This invention can be used to replace cross-flow filtration and centrifugation in the bioprocess industry and to reduce the volume of suspensions to concentrate the yield of the end product in the chemical industry.

Abstract: A dewatering system is disclosed. In a particular embodiment, the system includes a debris tank configured to receive a slurry through an inlet and a dewatering filter installed in the debris tank. In addition, the system includes a bar screen forming a curvilinear surface of the dewatering filter, where the bar screen is configured to prevent sediment from passing through and into an interior space of the dewatering filter. A first end of the dewatering filter is in communication with a discharge port to remove filtered liquid from an interior of the debris tank, and a vibratory device is configured to shake the dewatering filter to remove sediment from an exterior surface of the dewatering filter.

Abstract: A screen assembly (32) for use in a vibratory screening machine (1) includes first and second screen units (34, 36) spaced apart by a support frame (38) interposed between the screen units. The first and second screen units (34, 36) each comprise a screen panel (46, 48) including screening material. The screen panel (46) of the first screen unit (34) is disposed, in use, across a top side of the support frame (38) and the screen panel of the second screen unit (36) is disposed, in use across an underside of the support frame (38). The support frame (38) and second screen unit (36) define at least one channel (50) formed and arranged so that solids collected by the second screen unit may be transported off an end of the screen unit by the vibratory action of a vibratory screening machine. Modular screen assemblies are described. Methods of using the screen assemblies are also described.

Abstract: A strainer wall structure includes curved sections, a method of manufacturing the same, and a filtering method using the strainer wall structure to provide a substantially larger effective filtering area in the same length and width, substantially reducing foreign substances covering a suction surface and flow resistance of the foreign substances, and reducing pressure drop at a cooling water pass corresponding thereto. The strainer wall structure includes an inlet side through which cooling water is introduced and an outlet side through which the filtered cooling water is discharged, includes a body having openings in directions of the inlet side and the outlet side, and a first filter plate inserted into the body and including curved sections formed by alternately bending a first punched plate having filtering holes in opposite directions and at a predetermined interval.

Abstract: A mesh screen, for example for filtration wheels used in water treatment, provides a set of pleated filter elements assembled by in-molding the mesh into stringers subdividing a frame. Retention strips following the pleated edges of the filter elements at the stringers include apertures permitting direct clamping of the mesh near the stringers and the ability to visually inspect, after molding, engagement between the molded elements and the mesh while providing an increased engagement area between the mesh and elements of the over-molded frame.

Abstract: A fuel filtration device may include a filter element and a space-keeping member. The filter element may have a plurality of fusion-bonded portions and have a space defined therein. The space-keeping member may have crosspieces defining openings therebetween and may face a surface of the filter element in a facing direction. The fusion-bonded portions may include those that do not overlap with the crosspieces of the space-keeping member in the facing direction.

Abstract: The disclosure relates to a filtration device that comprises a disc with a rim covering and stiffening a plurality of filtration sectors connected to taps provided on the outer wall of a rotary main shaft containing inner discharge channels and fit-inserted into said taps and into a crown comprising two parts concentric to the shaft, one which is secured to the shaft while the other is removable, characterised in that said rim is provided with openings each intended for receiving a removable connection flange bearing, on the one hand, a radial strut clamped between two adjacent sectors for the relative clamping thereof and interacting, on the other hand, with a spring quick fastener for locking the strut under tension between the sectors. The disclosure also relates to a method for assembling and maintaining said filtration device.

Abstract: A filter apparatus comprises a filter stack including a plurality of porous ceramic plates that are axially spaced from one another to define plurality of axially spaced apart radial flow areas. In one example, the filter stack is mounted within a housing. In further examples, the plurality of porous ceramic plates alternate between a first set of porous ceramic plates that are nested with a second set of porous ceramic plates. In still further examples, at least one of the sides of the porous ceramic plates defines a plurality of radial flutes arranged in a radial array.

Abstract: Provided is a filtration cassette having a rigid body configured for externally supporting a filtration media disposed thereover and having at least one filtering surface configured with a flow path facilitating filtered fluid flow from a space extending between the filtration media and the filtering surface, and extending towards an outlet terminal. Also provided is a filtration segment including such a filtration cassette and where the filtration media is a filtration thread tensionally coiled over the filtration cassette at a multi-layered and tight configuration. Further provided are a plurality of such filtration segments which are configured into a disk-type assembly forming a filtration unit for a filtering system.

Abstract: Membranes are made from polymers and heat treated so that they have at least two zones with pores of different sizes. Pores with a smaller size have a lower molecular weight cut off than pores with a larger size. Zones with pores of different sizes may also be made by coating portions of membranes with polymer coatings. Membranes with pores of different sizes may be used in dialyzers for hemofiltration, hemodiafiltration, and other hemodialysis procedures. The membranes may also be used in other separation processes.

Abstract: A disc filter disposed around a drum for filtering water. The disc filter includes a frame structure and a plurality of filter segments arranged around the drum and secured to the support. Each filter segment includes a filter frame having first and second portions and filter material integrated with the first and second portions of the filter frame through an injection moulding process.

Abstract: A ceramic which can be obtained from a composite of at least two outer pre-ceramic paper and/or cardboard structures (1, 2) as cover layers and at least one inner pre-ceramic paper and/or cardboard structure (3, 4) as an intermediate layer and spacer for the outer pre-ceramic paper and/or cardboard structures (1, 2). The inner pre-ceramic paper and/or cardboard structure (3, 4) in the composite is connected on the upper and/or lower face over the entire surface to at least one further pre-ceramic paper- and/or cardboard structure (1, 2) and the inner pre-ceramic paper- and/or cardboard structure (3, 4) has a plurality of surface cut-outs (5, 6).

Abstract: The present invention provides a novel nonwoven felt fabric, which is made of at least one low-melting-point short fiber and at least one high-melting-point short fiber of same type or different types, wherein the fabric is stiff enough to be self-sustaining and have the ability of shape maintenance. The felt fabric exhibits excellent pleatability, moldability and compressive strength. The invention also provides a method for producing the felt fabric, and a filter comprising the felt fabric used as the material of a filter medium of the filter, wherein the filter medium requires no support structure to stand alone and persistently retains its shape.

Abstract: A forward osmosis (FO) membrane structure comprising a support based on an integrated permeate channel (IPC) fabric and a forward osmosis membrane embedded in the support is disclosed.

Abstract: A filter cartridge for installation within a compatible pressure vessel is provided. The filter cartridge comprises a filter head comprising a fluid inlet and a fluid outlet, a filter media attached to the filter head, the filter media being in fluid communication with the fluid inlet and the fluid outlet. The filter cartridge further comprises a polymeric film attached to the filter head and forming a fluid-tight casing around the filter media, the polymeric film comprising an inner film wall facing the filter media and an outer film wall facing the pressure vessel. One or more depressions in the outer film wall create one or more fluid passages between the polymeric film and the pressure vessel when the filter cartridge is installed in the pressure vessel.

Abstract: A filtering device for use in filtering fluids used in a vehicle such as its fuel, in which case the device is to be positioned on the suction side of a vehicle fuel pump, or in filtering a lubricant used in the vehicle, the device including a filter body presenting two opposing panels joined together to define a closed internal cavity, in one of the panels there being provided an aperture, the fluid filtered in passing through the body penetrating into the cavity, in this latter a spacer being positioned to maintain the panels separated and prevent their mutual contact. The spacer is of open-cell polymer foam material.

Abstract: A strainer wall structure that removes foreign substances from a fluid suctioned into a pipe and a re-circulation pump that is part of an emergency core cooling system (ECCS). The strainer wall structure has an inlet side and an outlet side through which cooling water is introduced and discharged, respectively, and includes a body having an opening in a direction of the inlet side, closed side surfaces, and an outlet port disposed at one of the closed side surfaces. The strainer includes a punched plate filter screen inserted into the opening. A modular cassette apparatus including grooved first filter plates is inserted into the body, and second filter plates having second grooves is inserted into the first grooves.

Abstract: To present a membrane element in an immersion type membrane separation apparatus capable of filtering efficiently by holding a uniform filtering capacity on the whole of the membrane surface if clogging occurs in a part of the membrane surface. The membrane element A is composed of a filtration chamber forming part C arrayed by dividing filtration chambers into a plurality in a vertical direction, water collecting transverse groove forming parts B forming transverse grooves (4) for collecting filtered water from each filtration chamber in a lateral direction by connecting with the filtration chamber forming part C, and a water collecting route (10) by connecting with the water collecting transverse groove forming parts B for collecting the water flaker in the lateral direction from each transverse groove (4) and discharging to outside.

Abstract: A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation.

Abstract: Filter and replaceable filter leaf apparatus are provided. The filter includes a housing defining a cavity having fluid inlet and outlet ports and a lid member with a manifold coupled to the outlet port and being adapted to conduct a fluid flow between the outlet port and a plurality of attachment areas. Replaceable filter leafs are selectively movable through an opening into the housing cavity and attachable with the manifold at the plurality of attachment areas. The replaceable filter leafs include a filter envelope consisting of a filter panel, a nozzle member on the filter panel and defining a passageway adjacent an opening in the filter envelope for conducting fluids therethrough. The nozzle member is selectively attachable onto the manifold of the polishing filter apparatus at any one of the plurality of attachment areas.

Abstract: A multilayer composite in which a nonwoven filter media layer is affixed to but separated from a hydrophobic microporous membrane such that the multilayer porous composite provides effective separation of water and particulate with substantial resistance to clogging in new fuels with low interfacial tensions.

Abstract: A piece of substrate material is formed under heat and pressure against a cavity into a shaped substrate sheet having one or more depressions. Two substrate sheets are bonded together to form a substrate wherein the one or more depressions form one or more interior channels. The substrate, if not formed with pre-coated substrate material, is coated with a dope and quenched to form a filtering membrane. A plurality of membranes may be placed side by side to form a bundle with permeating ends of the membrane, which are open to the one or more interior channels, separated by gaps or spacers. The bundle is connected to a header to produce a module. The module can be assembled into a cassette.

Abstract: A disc filter includes several triangular sectors that are connected from their neck section to the body of the disc filter. The sectors form a relatively thin disc that is rotated during filtration in a basin that contains a suspension to be filtered. The side surfaces of the sector have openings through which liquid in the suspension passes into several essentially radial flow channels inside the sector to flow on to the neck section and away from the sector. A separating wall is formed between two adjacent radial flow channels. Furthermore, the sector is made of two side elements, which are of plastic material and the mating surfaces of which are placed against each other.

Abstract: A rotary disc filter device includes a rotary drum and one or more disc-shaped filter members secured about the drum. Each disc-shaped filter member includes a filter and a filter support comprising a series of modules. The modules each include a base that is secured to the rotary drum and a support arm projecting outwardly from the base. The modules are interconnected and disposed around the rotary drum.