Abstract: An annular filter includes a first annulus wall and a second annulas wall being impermeable to fluid (liquid and gas), a first circular wall and a second circular wall mounted between the first annulas wall and second annulas wall wherein the first and second circular wall are permeable to fluid (liquid and gas), at least one dividing wall mounted between the first and second circular wall to divide an internal volume defined between the first and second annulas wall and the first and second circular wall into channels, bisecting walls between the first and second circular walls to change a direction of fluid flow from a first direction to a second direction first and second channels, turbulator walls mounted channel, wherein the turbulator walls cause turbulent fluid flow in the channels, and a filter media positioned in at least one of the channels.

Abstract: A method for operating an on-board water supply and distribution system of an aircraft for supplying water includes a central water tank, first consumer assemblies with buffer tanks each including a heater to heat up water in the buffer tank to a disinfection temperature, pump having upstream and downstream sides to operate in supply and reverse modes, and high-pressure conduit system. The central water tank connects to the pump's upstream side. The conduit system connects the downstream side with a first consumer assembly. The method includes operating the pump in supply mode where water from the central tank goes to a first consumer assembly to fill a buffer tank, operating a buffer tank heater so water heats to a predetermined disinfection temperature, and operating the pump in reverse mode so heated water passes through a part of the conduit system and the upstream side of the pump.

Abstract: A method and device of removing and recycling metals from a mixing acid solution, includes adsorbing a mixing acid solution with a pH value of ?1 to 4 and a cobalt ion concentration of 100 to 1,000 mg/L by at least two cation resins in series setting to the cobalt ion concentration in the mixing acid solution is less than 10 mg/L, and then adjusting the pH value of the mixing acid solution after adsorption to meet a discharge standard, wherein the particle size of the at least two cation resins in series setting is 150˜1,200 ?m. After the cation resins are saturated by adsorption, regenerating the cation resins by sulfuric acid to form a cobalt sulfate solution, and then electrolytically treating the cobalt sulfate solution to obtain electrolytic cobalt and sulfuric acid electrolyte. The operation process is simple without complicated equipment, and it can effectively recycle metals from mixing acid solutions.

Abstract: According to an embodiment of the present invention, there is provided a drip container including: a first main body providing a first space for dripping in which coffee grounds are stored, including an outlet hole through which drip coffee made by dripping discharges into a second space, and including an outward protrusion that protrudes outward from a region of an outer wall defining the first space; a cover surrounding the first main body so that the first main body is protected; a first opening and closing part detachably engaged with the cover so that opening and closing of the first space are adjusted; an inflow part including an inlet hole through which the drip coffee discharging through the outlet hole flows into the second space; and an elastic part elastically deformed due to pressure applied by the outward protrusion when the first opening and closing part is engaged, and placed between the first main body and the cover so that restoring force acts on the outward protrusion, wherein a position of

Abstract: A fractal flow device comprising at least one fractal pack. The at least one fractal pack comprises at least two fractal cells, where each fractal cell comprises a fractal distributor, a chamber adjacent the fractal distributor, and a fractal collector adjacent the chamber. Methods of using the fractal flow device are also disclosed.

Abstract: A system for steeping beverages is disclosed. The system includes a filtration unit and dispensing mechanism with a steeping vessel. The dispensing mechanism includes a disk with apertures and a sleeve. The sleeve is coupled to the filtration unit and moves down and up within the steeping vessel to a closed and open position, respectively. With the dispensing mechanism in the closed position the sleeve engages the disk and holds a steeped liquid within the filtration unit. In the open position the sleeve disengages the disk allows the steeped liquid to flow into a capturing vessel through the apertures.

Abstract: Embodiments of water filters comprise a filter housing configured to be disposed in a pour tray of a water filter pitcher, wherein a filter media cartridge is disposed inside the filter housing. The filter housing includes a housing floor, housing sidewalls extending upwardly, away from the housing floor, and at least one filter housing outlet disposed in one or more of the housing floor or the housing sidewalls. The filter media cartridge includes filter media, where the filter media cartridge comprises a cartridge floor spaced above the housing floor, cartridge sidewalls extending upwardly, away from the cartridge floor, and at least one filter media cartridge outlet disposed along one or more of the cartridge floor or the cartridge sidewalls. The water filter pitcher further includes a riser extending upwardly, away from the housing floor, and spaced between the housing sidewalls and the cartridge sidewalls, where the riser extends a distance above the cartridge floor. The riser forms a conduit volume.

Abstract: The present disclosure is directed to fluid filtering systems and methods for use during semiconductor processing. One or more embodiments are directed to fluid filtering systems and methods for filtering ions and particles from a fluid as the fluid is being provided to a semiconductor wafer processing tool, such as to a semiconductor wafer cleaning tool.

Abstract: An ion processing device includes, on the side of an anion exchange layer of a bipolar membrane which is formed by stacking an anion exchange layer and a cation exchange layer, an anion-side channel which is filled with an anion exchanger, and an anion removal channel provided via an anion exchange membrane, and also includes an anode for moving anions from the anion-side channel to the anion removal channel through the anion exchange membrane. Further, a cation-side channel which is filled with a cation exchanger and a cation removal channel provided via a cation exchange membrane are included on the side of the cation exchange layer of the bipolar membrane as well as a cathode for moving cations from the cation-side channel to the cation removal channel through the cation exchange membrane.

Abstract: A modular drainage filtration apparatus comprising a filtration container having an open-ended structure with a shape determined by the number of walls used during assembly, each wall being formed from a generally flat sheet of a rigid material and comprising a flat body portion with a plurality of formed tabs and an upper and lower overhanging portion, the walls being assembled to form a filtration container enclose an interior region and having open and opposite upper and lower faces and a plurality of filtration units each comprising a flat filter stage configured to be placed within a filtration container.

Abstract: A composition is provided that includes: a carbonized carbon having an iodine number of at least 60 mg/g and a domain size of between 1.0 and 2.3 nm. An article or fuel is provided that includes the composition in a polymer forming a matrix or water suspension, respectively. A composition of so provided and derived from wood has been assigned a new CAS number (CAS No. 1362167-53-0).

Abstract: A sample separation apparatus for separating a liquid sample includes a first separation unit for separating the sample, a first fluid drive for conducting the sample to be separated through the first separation unit, a second separation unit, arranged downstream of the first separation unit, for further separating the sample, a second fluid drive for at least partially conducting the sample through the second separation unit, and a fluidic valve having interfaces fluidically coupled to the first and second fluid drives and being switchable for performing the separation of the sample. The apparatus is configured for adjusting a pressure at a predefined position to a predefined value, wherein the predefined position is in a fluidic path between an outlet of the first separation unit and an inlet of the second separation unit or in fluid communication with this fluidic path.

Abstract: A wastewater filtration device, the device including a tank having end walls, a first screen rotationally mounted adjacent one tank end wall, and a second screen rotationally mounted adjacent the other tank end wall, adjacent the fine screen. The device further includes an inlet in one end wall adjacent the fine screen and into the fine screen, and an outlet in the other end wall adjacent the second screen and out of the second screen. A dividing wall is between the first screen and the second screen, so that water in the inlet flows into the first screen, and then through the first screen out into the tank, around the dividing wall, and then through the second screen into the outlet.

Abstract: A stabilizer for suppressing vibration, shock, translational, and rotational forces, on a dual cartridge filter system. The stabilizer uses opposing curved surfaces which correspond with, and follow the curvature of, the diameter of each cartridge cylindrical housing. The stabilizer is formed having a stabilizer base with locking members or leg portions radially extending along a bottom portion of each opposing curved surface. The stabilizer is secured to each filter housing by having the locking members inserted within indents on a rim of the filter housing bottom end cap. In alternative embodiments, the locking member is a resilient tab that forms a friction fit with a complementary structure on the filter housing bottom end cap, or an interlocking snap-fit male/female clip complementary to a female/male clip or snap on the filter housing lower cap.

Abstract: A capture unit for use with an antimicrobial application unit may include an upstream filter and a downstream filter. The upstream filter may be positioned to receive effluent from the application unit and to filter solid components from the effluent. The resultant upstream effluent filtrate may then be passed downstream to the downstream filter. The downstream filter may be used to filter an antimicrobial component from the upstream effluent filtrate and the resultant downstream effluent filtrate may be suitable for disposal as wastewater discharge. The antimicrobial is preferably a quaternary ammonium compound, is more preferably an alkylpyridinium chloride, and is most preferably cetylpyridinium chloride.

Abstract: A water purification device includes a housing including a first chamber in communication with a second chamber, a first filtration stage, and a second filtration stage. The first chamber has the first filtration stage and the second filtration stage. The filtration stages and chambers are arranged in a serial relationship to another filtration stage and chamber, respectively. The first filtration stage includes particles and the second filtration stage includes a biocide. At least 95 percent of the particles will pass through about 20,000 micron screen and at least 95 percent will not pass thru about 20 micron screen. The particles have a cation exchange capacity of 1 to 200 milli-equivalents per 100 grams. The particles will become charged and have a charge of about 1 to about 500 millivolts with ions from the biocide when the device is filled with water.

Abstract: The present invention describes a device for the distribution of fluids in a multi-stage column operating in simulated moving bed (SMB) mode comprising, in the direction of flow of the principal fluid, a distribution system (6) for auxiliary fluids, and a distributor plate (10) supported by stiffening elements (7) located below said plate (10), said device being interposed between two successive beds of granular solid (2) denoted the upstream and downstream bed, the distribution system and the stiffening elements being immersed in the upstream and downstream granular beds to a slight extent with an upper limit for the degree of immersion.

Abstract: Disclosed are systems and methods for the performance of kidney replacement therapy having or using a dialyzer, control components, a sorbent cartridge with at least two separate flow paths, and fluid reservoirs configured to be of a weight and size suitable to be worn or carried by an individual requiring treatment. The system for performing kidney replacement therapy has a controlled compliance dialysis circuit, where a control pump controls the bi-directional movement of fluid across a dialysis membrane. The dialysis circuit and an extracorporeal circuit for circulating blood are in fluid communication through the dialysis membrane. The flux of fluid moving between the extracorporeal circuit and the dialysis circuit is modified by the rate at which the control pump is operating such that a rate of ultrafiltration and convective clearance can be controlled.

Abstract: A process for removing halogen compounds, particularly chlorine compounds, from a process fluid, includes the steps of (i) passing a process fluid containing hydrogen halide over a first sorbent to remove hydrogen halide and generate a hydrogen halide depleted process fluid and then, (ii) passing the hydrogen halide depleted process fluid over a second different sorbent to remove organic halide compounds therefrom. A purification system suitable for removing hydrogen halide and organic halide compounds from process fluids is also described.

Abstract: A process is described for treating water, in particular for obtaining ultrapure water, in which a decationized water stream is passed at least through a first strong base anion exchange bed and a second strong base anion exchange bed, which is arranged downstream, in particular directly downstream, of the first strong base anion exchange bed. Furthermore, a water treatment system and a counter-current ion exchange unit for carrying out such a process are described.

Abstract: The device described in the present invention can trap plugging particles contained in the liquid feed supplying a reactor functioning in gas and liquid co-current down-flow mode using a specific distributor tray comprising a filtration medium. The present device is of particular application to the selective hydrogenation of feeds containing acetylenic and dienic compounds.

Abstract: A device (SMB) for separation by simulated moving bed adsorption comprises a plurality of elementary adsorption zones Zi in series operating in a closed loop, and at least one singular adsorption zone with a dead volume which is greater than the adsorption zones Zi, the solid adsorbant of said singular adsorption zone having a granulometry which is lower than that of the solid adsorbant of the ordinary adsorption zones.

Abstract: Systems and methods for removing phosphorous (P) from P-containing wastewater are disclosed. The system includes a main filter unit (MFU) comprising P-adsorbing material. The MFU receives the P-containing wastewater and forms therefrom MFU-filtered wastewater having a first pH. A pH adjusting unit (AU) that contains pH-reducing material receives the MFU-filtered wastewater and forms therefrom AU-filtered wastewater having a second pH lower than the first pH. A replaceable filter unit (RFU) similar to the MFU but smaller may be arranged upstream of the MFU to pre-filter the P-containing wastewater. Some or all of the RFU may be replaced when maintaining the system.

Abstract: The present invention concerns a fluid distributor in a multistage column, each plate P of the column being divided into a certain number of panels Pa, and each panel Pa being equipped with a distributor of the invention, said distributor comprising: a) a solid jet breaker located substantially in the axis of the outlet opening of the collecting baffle of the panel Pa; b) an intermediate perforated plate extending laterally beyond the jet breaker, with a degree of opening in the range 10% to 40%; c) a distribution plate extending over the entire panel Pa, and with a degree of opening in the range 5% to 20%.

Abstract: The present invention provides a combined scale inhibitor and scale inhibiting device. The combined scale inhibitor contains organophosphorus filter materials, ceramic filter materials and polyphosphate filter materials. The organophosphorus filter materials are the granular filter materials of liquid organophosphorus scale and corrosion inhibitor while the said ceramic filter materials are the granular filter materials containing oxide ceramic powder. The said scale inhibiting device is comprised of a tank, a water inlet, a water outlet, an organophosphorus filter material layer, a ceramic filter material layer and a polyphosphate filter material layer in the said tank. The said organophosphorus filter material layer contains organophosphorus filter materials, which are the granular filter materials of liquid organophosphorus scale and corrosion inhibitor. The said ceramic filter material layer contains ceramic filter materials, which are the granular filter materials containing oxide ceramic powder.

Abstract: The invention concerns a device for distributing fluids which are to supply a multi-stage column having a succession of plates, each plate supporting a bed of granular solid (2) and being provided with a network for distributing said fluids constituted by substantially horizontal lines (6) having a plurality of degrees of branching from 1 to rank N, the ensemble of lines from rank P to rank N being adherent to the base plane of the plate under consideration, and the lines of the last degree of branching N communicating with mixing chambers (8) disposed immediately below said base plane.

Abstract: A porous formed article which comprises an organic polymer resin and an inorganic ion absorbing material, and has communicating pores opening at an outer surface, wherein it has cavities in the interior of a fibril forming a communicating pore, at least a part of said cavities opens at the surface of the fibril, and the inorganic ion absorbing material is carried on the outer surface of said fibril and on the surface of inner cavities.

Abstract: A manually-operated gravity-flow water treatment cartridge for use in a portable water treatment device having a filtered water reservoir includes a housing comprising a framework defining a plurality of compartments that contain solid particulate water treatment media loosely arranged therein.

Abstract: An electric deionized water production apparatus in which a direct current field is applied to a deionizing chamber packed with an ion-exchange material such that ions to be discharged are allowed to migrate in the direction identical or opposite to the direction of the water flow in the ion-exchange material, whereby ionic impurities adsorbed in the ion-exchange material are discharged from the system, the ion-exchange material being a mixture of a monolith-shaped organic porous ion-exchange material and ion-exchange resin particles. The electric deionized water production apparatus has a simple structure that can reduce material cost, process cost, and assembly cost, capable of accelerating migration of the adsorbed ionic impurities to facilitate discharge of the adsorbed ions and free from a deflected flow due to swelling or shrinkage accompanying an ion-exchanging reaction, and from poor contact with an ion-exchange membrane.

Abstract: The device described in the present invention allows pre-distribution of the gas and liquid feed supplying a reactor functioning in gas and liquid co-current downflow mode to be carried out by means of a pre-distribution plate comprising a filtration medium and an overflow tube in order to regulate the flow of liquid arriving on the distributor plate located downstream of said device. More particularly, the present invention is applicable to the selective hydrogenation treatment of feeds containing acetylenic and dienic compounds.

Abstract: Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing the arsenic in the +5 oxidation state from the aqueous phase, normally by contacting the treated feed with alumina or other precipitating agent containing cations in the +3 oxidation state.

Abstract: In general, the present invention is directed to systems for treating water or wastewater. In accordance with some embodiments of the present invention, the system may utilize a vessel with a plurality of filter beds, at least one inlet, and at least one outlet, and the system may include: a first filtration bed comprising a first granular and/or angular media, the first media having a high surface area and configured for biological and physical treatment of the water or wastewater; a second filtration bed including a second granular and/or angular media, the second media having a lower surface area than the first media; wherein the water or wastewater enters the vessel via the at least one inlet, flows through the first filtration bed and the second filtration bed, and exits the vessel through the at least one outlet.

Abstract: Device for stiffening the plates of a multi-stage column with a diameter of more than 2 meters, whereby each plate supports a particle bed and the flow of at least one fluid passes through it from top to bottom, whereby said device consists of a number of beams that are located under the plate in question, each beam having a lower surface that is shaped like a triangle.

Abstract: The present invention provides an apparatus and method for carrying out a photocatalytic reaction. The apparatus comprises a reaction chamber having a longitudinal axis and comprising a fluid inlet and a fluid outlet displaced in a longitudinal direction. A bearing surface is provided for a layer of mobile photocatalyst particles disposed between the fluid inlet and the fluid outlet, and a reactant fluid flowing between the fluid inlet and the fluid outlet contacts the layer of mobile photocatalyst particle. A formation is provided to redirect the fluid flow through the layer of mobile photocatalyst particles to increase the contact of the fluid with the layer of mobile photocatalyst particles.

Abstract: The present invention concerns a fluid distributor in a multistage column, each plate P of the column being divided into a certain number of panels Pa, and each panel Pa being equipped with a distributor of the invention, said distributor comprising: a) a solid jet breaker located substantially in the axis of the outlet opening of the collecting baffle of the panel Pa; b) an intermediate perforated plate extending laterally beyond the jet breaker, with a degree of opening in the range 10% to 40%; c) a distribution plate extending over the entire panel Pa, and with a degree of opening in the range 5% to 20%.

Abstract: A high radioactivity filter system is disclosed. The invention utilizes within a container substructure a filter employing a combination of specially selected filtration and ion exchange media and a structural design of equipment for substantially or totally providing and/or rendering Class A waste forms and preventing the formation of Class B, C and GTCC waste forms. The invention also provides both ion exchange and filtration of liquid radioactive wastestreams.

Abstract: The present invention consists of a device for distributing and collecting fluids at the outlet from an upstream granular bed in a multistage column having a plurality of granular beds, said device comprising a deflector, which can equalize the trajectories of the fluid stream lines from the outlet from the mixing chamber to the downstream bed of granular solid.

Abstract: A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers. Water may also be force fed through the treatment apparatus; when the water is force fed, the housing portions need not be vertically stacked, but may be configured in any suitable arrangement. The treatment sections are distributed through the various housing portions in logical groups to perform various kinds of filtering. The housing portions are detachable and sealably stackable in multiple configurations, thus passing water through more or fewer treatment layers, depending on the quality of the incoming water.

Abstract: A filter unit includes a flexible bag having permeable material on a first side and a second side that allows fluid to pass through the container. Granularized rubber is enclosed within the flexible bag. The granularized rubber filters hydrocarbon products from the fluid.

Abstract: An apparatus is presented for the mixing of a feed fluid with a process fluid between two adsorbent beds. The apparatus creates a space for mixing and redistributing a fluid mixture between the two adsorbent beds, where a process fluid is received from the upper adsorbent bed, and a distributor box passes the feed fluid to space between the adsorbent beds and mixes the feed fluid with the process fluid. The mixture is then redistributed and passed through to the lower adsorbent bed.

Abstract: A contaminant adsorption filter element is provided that includes a self-assembled monolayers on mesoporous supports (SAMMS) contained in a filter element having a plurality of pockets such as a fluted filter media. The plurality of pockets are filled with mesoporous material that is functionalized for a target contaminant. A method of making a filter element having mesoporous material filled flutes is also provided.

Abstract: Systems and associated methods for treating contaminant-containing wastewater are provided. The systems generally include a reducing zone for reducing the oxidation-reduction potential of the water and a clean-up zone comprising zero valent iron for removing at least a portion of the contaminant from the contaminant-containing water. The systems are operable to remove one or more contaminants from the contaminant-containing water and are operable for extended durations without clogging due to the formation of iron hydroxides.

Abstract: Apparatus for treating run-off water, the apparatus including a mechanical-sorption filter for removing particulate and colloidal material; an ion exchange filter for removing positively charged ions; and, a sorption filter for removing at least other soluble contaminants.

Abstract: The present invention describes a device for the distribution of fluids in a multi-stage column operating in simulated moving bed (SMB) mode comprising, in the direction of flow of the principal fluid, a distribution system (6) for auxiliary fluids, and a distributor plate (10) supported by stiffening elements (7) located below said plate (10), said device being interposed between two successive beds of granular solid (2) denoted the upstream and downstream bed, the distribution system and the stiffening elements being immersed in the upstream and downstream granular beds to a slight extent with an upper limit for the degree of immersion.

Abstract: An apparatus for treating an aqueous solution containing arsenic. The apparatus comprises a container that includes a housing, an inlet located at a first end of the housing and an outlet located at a second end opposite the first end. An outer wall extends between the first and second ends and enclosing a fluid flow path between the inlet and the outlet and an arsenic fixing agent is disposed in the fluid flow path. The arsenic fixing agent can include an insoluble rare earth-containing compound, more specifically, a compound comprising one or more of cerium, lanthanum, or praseodymium. The inlet and the outlet are adapted to be closed during transport and storage. The container is adapted to be sealed for long term disposal after exposure to an aqueous solution containing arsenic.

Abstract: A filtering medium and method for removing contaminants from an organic-based feed stream which includes the use of a layer of ceramic filter units having a plurality of elliptical or trisoidal openings extending therethrough to filter organic-based feed streams and to provide liquid distribution upstream of the catalyst beds.

Abstract: A method and system for removing from an aqueous system which is contaminated therewith: (1) mercury present as colloids, ions and/or organically bound compounds, and (2) hydrocarbons solubilized, dispersed, and/or emulsified in the said system. Pursuant to the invention the aqueous system to be treated (such as “produced water”) is passed successively through three filtration stages. The first filtration stage is provided with absorption media which effects reduction/removal of dispersed organically bound mercury species and of the dispersed and partially dissolved hydrocarbon phases, as well as of some colloidal mercury and other dissolved metallic species. The second filtration stage utilizes a salt modified reticulated granular filtration media for reduction/removal of slightly dissolved hydrocarbon phases, mercury in colloidal and ionic form and other dissolved metals.

Abstract: A pump unit includes a reservoir for containing a liquid, a duct system for conveying the liquid, and a pumping section for subjecting the liquid to a pumping force. The initial filling of at least a portion of a duct for conveying the liquid from the reservoir to the pumping section is brought about under the influence of another force other than the pumping force, for example, under the influence of gravity.

Abstract: A treatment vessel (10) for a waste water treatment process system. The vessel (10) including a first section (12) and a second section (14). The first section (12) has a substantially constant first cross sectional area and is adapted for housing a granulated aerated charcoal biofilter material. The second section (14) has a substantially constant second cross sectional area, is below the first section (12) and is in fluid communication with the first section (12). The second section (14) is adapted for housing a sand filter material. The second cross sectional area is about 30 to 70% of the first cross sectional area.

Abstract: Disclosed is a mixer-distributor-collector apparatus for use between beds of solid particles in a fluid-solid contacting vessel. The apparatus includes a solids retaining screen, fluid deflector, passageway, fluid distributor, and flow manipulator. The flow manipulator is a device such as a honeycomb, porous solid, perforated plate, screen, or grid having an open area greater than the open area of the fluid distributor and is located below and spaced apart from the fluid distributor. The apparatus improves the fluid flow characteristics by minimizing or eliminating fluid velocity jets and/or other turbulence which can disturb the downstream particle bed. In an exemplary application, the invention finds use in simulated moving bed (SMB) adsorptive separation processes.