Abstract: A method for removing microorganisms from liquid samples and a nanofiber containing liquid filtration medium that simultaneously exhibits high liquid permeability and high microorganism retention. Microorganisms such as bacteria, particularly B. Diminuta, are removed from a liquid by passing the liquid through a porous nanofiber containing filtration medium having a B. Diminuta LRV greater than about 9, and the nanofiber(s) has a diameter from about 10 nm to about 1,000 nm. Another method for removing microorganisms such as bacteria and Mycloplasma, includes passing the liquid through a porous nanofiber containing filtration medium having a microorganism LRV greater than about 8, and the nanofiber(s) has a diameter from about 10 nm to about 1,000 nm. The filtration medium can be in the form of a fibrous electro spun polymeric nanofiber liquid filtration medium mat.

Abstract: The invention relates to a filter element, consisting of a filter medium (10) that is pleated in a zigzag manner and has a concentric form, and an end disk (11) disposed on a front, and a second end disk (12) disposed on the opposite front, wherein the end disk (12) has a concentric opening (13) and extends substantially annularly across the pleats of the filter medium. The end disk (12) has a ring collar (14) extending radially toward the outside. The ring collar (14) has a seal (15) that surrounds the ring collar at least partially, wherein the seal has an axially extending region, which carries radially peripheral sealing lips (17), and said radially peripherals sealing lips are supported in a groove (18) or in a housing wall (19) of a housing receiving the filter element.

Abstract: The invention relates to a filter element consisting of a filter medium (10) that is pleated in a zigzag manner and has a concentric shape, and a first end disk (11) and a second end disk (12) disposed on an opposite front, wherein the end disk (12) has a concentric opening (13) and extends substantially annularly across the pleats of the filter medium. The end disk (11) has a ring collar (14) extending radially toward the outside. Said ring collar (14) has a seal (15) that surrounds the ring collar at least partially, wherein the seal has an axially extending region, which carries radially peripheral sealing lips (17), and said radially peripheral sealing lips are supported in a groove (18) or in a housing wall (19) of a housing receiving the filter element.

Abstract: A filter is provided with at least one metal component other than tin coated steel. A suitable metal material may be nickel flash treated steel or other than comparative metal material.

Abstract: The invention relates to a filter element consisting of a filter medium (10) which is folded in a zig-zag manner and designed in a concentric shape. End plates (11, 12) are arranged on the end sides of the medium. End plate (12) has a concentric opening as well as a first annular ring (14) and a second annular ring (15), and a sealing groove (16) arranged between the rings. A reinforcement plate (17) is arranged in the area between the filter medium and the rings (14, 15). The end surfaces (18, 19) of the rings (14, 15) are supported by the grooves (20, 21) of a filter element housing, the grooves running radially.

Abstract: A filter device includes a bag-shape filter body. The filter device is attached in a manner such that an internal space of the filter body connects through to a fuel intake port in a fuel tank. The filter body includes two or more filter materials overlaying each other. At least one of the filter materials is configured so that a cross sectional area of its fuel passage is different between a primary side and a secondary side of the filter material so as to be a multifunctional filter material having a function of gradually capturing dust having different particle sizes.

Abstract: The present disclosure relates to an assembly formed from a planar rigid filtration membrane and generally flat plate for accommodating and supporting this membrane, to activate and/or reveal immobilized contaminants on the membrane, the support plate comprising a holding and immobilization device cooperating with a periphery of the membrane, wherein the device comprises at least one non-deformable member that projects from the general plane of the plate and at least one stop tab, substantially perpendicular to the plane, which is extended by a holding appendage substantially parallel to the plane, so that the membrane can be engaged with the member only through a first movement of the membrane substantially parallel to the plane of the support followed by a second movement substantially perpendicular to the plane.

Abstract: The present invention relates to novel pervaporation membranes comprising a porous support layer upon which a thin coating is applied. More specifically, the present invention provides pervaporation membranes with an improved performance by applying an aggregate filled PTMSP coating with a maximal thickness of 25 ?m onto the porous support. The present invention further relates to methods of the manufacturing of such pervaporation membranes.

Abstract: The fiber webs described herein may be incorporated into filter media and filter elements. The webs may exhibit a high permeability and stiffness, at a low thickness. The stiffness can be sufficient for the webs to be pleated to include sharp, well-defined peaks which can be maintained in a stable configuration during use.

Abstract: The disclosure provides a method of modifying thin film composite membrane support structures. In particular, the disclosure provides method of modifying thin film composite membrane support structures with poly(dopamine) for use with engineered osmosis applications.

Abstract: A filtration unit for the selective elimination of a target substance from a biological fluid comprising an external envelope, wherein the envelope encloses a filtering medium comprising: an upstream structure for eliminating at least the target substance comprising a stack of layers that are arranged to allow the flow of fluid through the layers in one direction comprising a non-woven material, and particles interposed between at least some of the layers, wherein the particles have an affinity for the target substance; and a downstream structure for retaining the particles comprising at least one layer of porous material.

Abstract: A water-conducting household appliance, in particular a dishwasher, includes a hydraulic circuit for circulation of a wash fluid, and a filter facility which includes a filter element having an inner wall and at least one filter opening for passage of the wash fluid. The filter opening is bounded by the inner wall running around the filter opening. The inner wall has an upstream wall segment and a downstream wall segment, with a gradation being formed at least in a segment between an upstream and downstream wall segment of the inner wall of the filter opening. Additionally or independently hereof, the downstream wall segment has a cross section that increases in a flow direction of the wash fluid.

Abstract: A fluid separation system includes a separation membrane having a pattern of features thereon.

Abstract: A filter element of a filter system for filtering fluids has a filter medium with end faces. Terminal bodies, one each, are connected to one of the end faces of the filter medium, respectively. A support body extends between the terminal bodies. A first terminal body is connected by a toothed connection to the support body for transmitting a torque from the first terminal body onto the support body and from the support body onto the first terminal body.

Abstract: A novel composite of glass fiber paper and reinforcing material that is useful for high speed manufacturing of devices comprising it is disclosed. The composite is formed by pressing into a glass fiber paper, having multimodal (at least bi-modal) composition, a hydrophilic reinforcing material. The composite has anisotropic separation properties that are particularly useful for preparing a fluid fraction from whole blood. The preferred glass fiber paper comprises glass fibers such that there are a plurality of short fibers (6) having large diameters and long fibers (2) with smaller diameters. The preferred glass fiber paper also exhibits partial ordering. There are many more of the long fibers (2) with smaller diameters than of the short fibers (6) having large diameters. Also disclosed are several blood separator device designs for efficiently separating the fluid fraction of blood from whole blood using the composite.

Abstract: An absorbent material is provided for collecting lipophilic and hydrophobic materials from an aqueous solution such as water. The material comprises nonwoven polyester fibers in the form a mat. The mat may include reinforcing strands, such as glass fiber, nylon fiber, metallic wire and the like in order to increase its overall strength. A system and method for removing lipophilic and hydrophobic materials, such as oil, from a body of water are also provided. The system and method employs one or more floating vessels having a roll of the material thereon that is placed in the oil-water mixture. Upon absorbing oil from the water, the material is removed from the water.

Abstract: A tank for use in a system that outputs a liquid at a user defined constant temperature in order to regulate the temperature of a piece of equipment includes a body of material defining a chamber for receiving and storing the liquid. The top wall has a fill port and one of the other walls includes an outlet port. An auxiliary port and fluid return port are also included. The body further includes a well, sized to accommodate a deionizer cartridge, extending down into the chamber from an opening in top wall that can be removed. A flow velocity reducer is disposed in the auxiliary port for reducing the velocity of the liquid entering the auxiliary port from the return fluid port and then passing into the fill port so that the liquid does not spray or splash onto the walls of the fill port.

Abstract: An improved construction of filtration media of a wedge filter provides a performance on both surface and inner filtration mechanisms with offering many times recycled use by washable functions. Particularly a wedge filter plate is used to construct a hollow cylindrical type media of wedge filter.

Abstract: An apparatus for separating liquids during agitation includes a support and a honeycomb cellular structure supported by the support. The cellular structure has a top and a bottom. It is formed from a plurality of enclosed cells, which limit and re-direct liquid movement in all directions so that agitation of the support has a negligible co-mingling effect enabling a liquid separation interface to be established within the cellular structure. Each cell has an inlet and an outlet, which are out of register creating a non-linear migration path from the bottom to the top of the cellular structure. A capture assembly is provided to capture less dense liquids after separation has occurred.

Abstract: An aquarium filtering system including a distribution housing having at least two distribution ports, the distribution housing further having a water supplying orifice and a water evacuating orifice for connecting the distribution housing to the pump, the distribution ports being fluidly connected to a water supplying orifice or to a water evacuating orifice, the system further including a filter assembly having two filter ports and filtration means for filtering a water flow from one filter port to the other filter port, connection means for detachably connecting the filter assembly to the distribution housing so that, upon connection, each of the filter port is fluidly connected to a corresponding distribution port, and sealing means for, upon disconnection of the filter assembly, fluidly closing the filter ports and the corresponding distribution ports.

Abstract: A membrane bag comprising a volume for permeate collection, wherein the volume is completely enclosed in seamless membrane substance; a filtration unit comprising at least one above-described seamless membrane bag; the use of at least one above-described seamless membrane bag in a membrane bioreactor; the use of at least one above-described seamless membrane bag in water filtration or waste water purification; and the use of at least one above-described seamless membrane bag for the filtration or separation of a mixture of fluids, vapors and particles.

Abstract: Provided is a disposable multi-layered filtration device for the separation of blood plasma which can be applied to a biochip and appropriate for disposal uses. The filtration device for the separation of blood plasma includes: an upper substrate including a blood inlet; an intermediate substrate including a filtering unit for extracting blood plasma from blood flowing through the blood inlet; and a lower substrate including an air outlet, wherein the upper substrate, the intermediate substrate, and the lower substrate are stacked and adhered.

Abstract: A fuel filter device includes a bag-shaped filter member and is adapted to be attached to communicate an inner space of the filter member with a fuel suction opening in a fuel tank. The filter member is configured in a multilayer structure. At least one layer of the filter member is configured to serve as an inhibition layer having a structure to prevent water in a fuel tank form coming into the inner space of the filter member by a pressure applied to the filter member when the water is frozen.

Abstract: A method of reducing if not eliminating the possibility of tearing or ripping of a mesh screen of a filter during the manufacturing process includes the step of intentionally deforming the mesh screen. With this technique, as the plastic material that forms the frame of the filter begins to expand or change shape, as a result of the heating and squeezing steps involved with the molding process, the deformed mesh screen will be able to accommodate the relative changes in shape without tearing or ripping of the mesh screen. With the invention, numerous shapes and configurations of tools may be used to provide the intentional deformation of the mesh screen during the manufacturing process as well as to provide for control over the amount and degree of mesh screen deformation. Also, the resulting filter will have a mesh screen that has improved retention capabilities which will enhance the performance of the filter.

Abstract: A filter cell element for use in a housing to form a filtering assembly. The filter element has a media pack having an interior and a separator element having a passage therein for radial fluid communication between the media pack interior and an edge of the media pack. An overmold seal at the media pack edge seals the media pack to the separator element. Methods of making the filter element and methods of using are also disclosed.

Abstract: A horizontal plate microbial support media. The horizontal plate microbial support media having a plurality of frustum shaped protuberances extending there-from, the frustum shapes having a hole in their upper base for allowing fluid to flow there-through. These media plates able to be stacked for use in a bioreactor.

Abstract: The invention relates to an oil filter apparatus comprising an oil inlet and an oil outlet, with a suction oil pump being connectable to the oil outlet with which a negative pressure can be produced between the oil inlet (and the oil outlet, a coarse filter medium and a fine filter medium which is arranged between the oil inlet and the oil outlet, with the oil filter apparatus being capable of allowing a volume share of the oil to pass permanently through the coarse filter medium irrespective of the viscosity of an oil passing through the oil inlet and of allowing at the same time the remaining volume share of the oil to pass through the fine filter medium.

Abstract: A liquid filter with a composite medium that has a nanoweb adjacent to and optionally bonded to a microporous membrane. The membrane is characterized by an LRV value of 3.7 at a rated particle size, and the nanoweb has a fractional filtration efficiency of greater than 0.95 at the rated particle size of the membrane. The nanoweb also has a thickness efficiency ratio of greater than 0.01 at that efficiency. The nanoweb acts to provide depth filtration to the membrane, prefilters particles and extends the lifetime of the membrane.

Abstract: A nanoporous filter comprises a porous support having an essentially flat surface on which is deposited a nanoporous layer having a substantially regular pore structure and uniform pore size within the range from 1 to 50 nm.

Abstract: A filter includes a first case member and a second case member that are made of synthetic resin and are mutually joined to form a filter chamber, and a filter element including a filtering medium and a holding frame that is made of synthetic resin, which holds a peripheral portion of the filtering medium and is held between joining ends of the case members. Weld portions formed by laser light are provided at a contact area extending in a joining direction between the holding frame of the filter element and at least one joining end of the joining ends of the case members.

Abstract: The filtration apparatus of the invention includes a filtration member 12 which has a ribbon-like suspended-solid-capturing member for capturing suspended solid present in fed treatment water 1, wherein the filtration member is charged in a filtration tank 11 such that a filtration portion of the filtration tank has a percent void of 50 to 95% during passage of the treatment water.

Abstract: A disc filter sector and a disc filter sector component which are made of a plastic composite containing a matrix plastic and a fibre reinforcement. The fibre reinforcement used is a natural fibre, such as a wood fibre.

Abstract: There is disclosed a method of controlling pore size in a porous material comprising the steps of: providing a porous material comprising a plurality of interconnected auxetic fibres; and applying a tensile or compressive load to the porous material so as to vary the pore size of the porous material in order to produce a desired effect.

Abstract: Even when a membrane sheet contains an inorganic material, the membrane sheet and a support plate are properly deposited by a laser emission. In a manufacturing method of a flat membrane element lapping a membrane sheet performing solid-liquid separation on a support plate supporting the membrane sheet and emitting a laser to a mutual joint portion to deposit the membrane sheet and the support plate, when the membrane sheet contains an inorganic material, the support plate is formed by a material having laser penetration and the laser is emitted from the support plate side to the joint portion.

Abstract: To reuse support plate and to fix a membrane sheet by the same method both in a new product manufacturing and in regeneration. In a flat membrane element including a deposit fixed portion formed by lapping a membrane sheet performing solid-liquid separation onto a support plate supporting the membrane sheet and by emitting a laser to a circumferential edge of the membrane sheet to deposit fix the member sheet onto the support plate, and making an inside of the membrane sheet surrounded by the deposit fixed portion be a solid-liquid separating area; an embrocation having laser absorption property is applied on the surface of the membrane sheet of the deposit fixed portion. At the time of regeneration, such a portion of the membrane sheet that corresponds to the solid-liquid separating area is cut off and, after that, a new membrane sheet is lapped on the embrocation and the new membrane sheet and the embrocation are deposit fixed by a laser.

Abstract: A filter medium comprises a modified cross-section fiber (A) having a fiber diameter between 40 and 70 ?m, an extremely fine fiber (B) having a fiber diameter of more than 5 ?m and no more than 10 ?m and a modified cross-section fiber (C) having a fiber diameter between 15 and 30 ?m, the content of the extremely fine fiber (B) is between 3 and 10% by mass, and the content of the modified cross-section fiber (C) is between 5 and 15% by mass based on 100% by mass of total the fibers in the filter medium.

Abstract: Filtration systems containing a filtration medium and methods related thereto are described herein. The filtration system includes a plurality of fibers of spoolable length, where the fibers are a carbon nanotube-infused fiber material. The filtration systems can be operated with reel-to-reel processing or in a continuous manner in order to sorb hydrophobic materials from a liquid medium. The filtration systems also include various means to remove the hydrophobic materials from the filtration medium, including press rollers and chemical extraction baths. Illustrative liquid media that can be treated with the filtration systems include, for example, hydrophobic materials admixed in an aqueous phase, bilayers (e.g., oil-water bilayers), oil in a subterranean formation, water sources containing trace organic pollutants or trace organic compounds, and fermentation broths.

Abstract: The present invention relates to bioartificial devices and systems that mimic kidney or nephron function and methods of making them.

Abstract: This invention relates to filtration assemblies and methods of installing filtration units in filtration assemblies. Filtration assemblies may include first and second end pieces, at least one filtration unit between the first and second end pieces, and at least one alignment rod arrangement. The alignment rod arrangement may extend between the end pieces and align the filtration units and the end pieces.

Abstract: The present invention refers to the use of an adsorbent comprising particles comprising an amorphous phase and a crystalline phase for the purification of dry cleaning solvents. The present invention furthermore relates to a filter unit containing such an adsorbent. It also refers to a dry cleaner containing a filter according to the invention. Additionally, the present invention refers to a process for dry cleaning textiles, wherein an adsorbent according to the invention is used.

Abstract: A separation membrane complex where a carbon membrane is formed directly on a porous body (surface layer) and an intermediate layer has a thickness of 10 to 100 ?m can be used as a filter having improved flux and selectivity in comparison with a conventional one.

Abstract: A diesel fuel filter assembly may include a first filter paper combining moisture particles of water contained in diesel fuel to increase the size of the water and a second filter paper that filters off lumps of moisture particles of the water enlarged by the first filter paper.

Abstract: A method and apparatus for supporting a screen. The apparatus comprising a cylindrical screen for submerging in a fluid, the screen having an inlet pipe for connecting to a piping system, filter members, a first end, a second and a support structure. The support structure is one or more helical members which traverse the screen.

Abstract: Disclosed are coalescers, systems, and methods for coalescing a mixture of two phases, namely a continuous phase and a dispersed phase. The disclosed coalescers, systems, and methods include or utilize one or more layers of media material having a distinct mean pore size and wettability. The disclosed coalescers, systems, and methods are effective for removing the dispersed phase from the mixture.

Abstract: The present invention relates to a composite hollow fibre capillary membrane in particular for exploiting the value of dialysate and a method for the production thereof as well as its use in particular in haemo and peritoneal dialysis.

Abstract: The invention relates to a ceramic dead-end filter for filtration of liquid. The ceramic dead-end filter comprises at least one ceramic filter membrane having a first side with a front surface and a second side. The ceramic membrane comprises a selective front layer providing said front surface and the selective front layer comprises a maximum pore size diameter of about ?m or smaller, for example between about 0.5 nm and about 25 ?m. The ceramic dead-end filter of the invention provides an effective filtration with a high flux and a long durability. The filter can furthermore be regenerated in a simple way. The invention also relates to filtration system comprising such ceramic dead-end filter, a method of performing the filtration process as well as a method of producing the filter.

Abstract: Disclosed in certain embodiments is a method of removing a compound from a lubricating fluid comprising contacting the lubricating fluid with a solid medium having acrylamide functionality to absorb or adsorb the compound.

Abstract: A water treatment cartridge, or insert, for use in connection with a water treatment device such as a gravity-fed water pitcher or the like includes a support structure and water treatment material arranged in combination with the support structure.

Abstract: Device for filtration of liquid medium, having a filter housing (2) with a filtration chamber (3) delineated by a base element (10) and a cover (20). A drain duct (15) in the base element to drain medium from the filtration chamber. A filter cassette (30) fitted detachably in the filtration chamber. The filter cassette has a first endwall (31) towards the cover, a second endwall (32) towards the base element, and a filter element (33) fastened to, and extending between, the endwalls. The endwalls and the filter element together delineate an internal space (34) for a medium to be filtered. The filter cassette has a drain tube (40) which protrudes from the second endwall and has its inner end leading into the internal space of the filter cassette. The drain tube is accommodated in the drain duct when the filter cassette is fitted in the filtration chamber.

Abstract: Acid-neutralizing filter media includes filter media fibers in combination with a strong base of small particle size and high surface area attached to and immobilized on the filter media fibers, and methodology therefore.