Abstract: A water purification housing capable of purifying water and a rainwater purification system using the water purification housing are provided. The water purification housing filters treated water by filling filter media in a housing body and then passing the treated water through the filter media and removes residue caught in the filter media as a result of the use of the filter media by collecting the residue in a sediment discharge container positioned at a bottom portion of the housing body. The rainwater purification system includes an element that connects and installs several water purification housings and an additional filtration element including fiber filter and UV lamp which can filter materials that cannot be filtered only by the filter media at the end of the rainwater purification system.

Abstract: Provided is a cooking utensil having an excellent design. The cooking utensil includes a bottom and a side extending substantially upward from a perimeter of the bottom. The bottom includes a bottom laminate film on an inner surface thereof. The side includes a side laminate film that is different from the bottom laminate film on an inner surface thereof. The bottom laminate film and the side laminate film have different color tones.

Abstract: A fluid treatment plant has a filter module including at least a first filter and a second filter connected in series and connectable to a supply of fluid. A pump is fluidly connected to the filter module and a controller with a fluid quality sensor is connected to detect a quality of the fluid between the first filter and the second filter. A filter module detector is connected to the controller configured to uniquely detect a filter module connected to the pump, and the controller is controls the pump responsively to a signal from the fluid quality sensor and the module detector. The controller is configured to continue pumping based on output of the quality sensor and/or based on output from the filter module detector.

Abstract: Referring to the figures generally, a rotating filter cartridge includes a first endcap, a second endcap, and a filter media. The filter media is positioned between the first endcap and the second endcap. The filter media creates a mechanical seal between at least one of the first endcap or the second endcap during rotation of the rotating filter cartridge without the use of a potting material. In at least one embodiment, the rotating filter cartridge further includes a body secured to the first endcap and the second endcap. At least one of the first endcap or the second endcap, and the body, may form a pocket that radially pinches the filter media to form the mechanical seal.

Abstract: A medical device includes: a hollow body part formed in a predetermined bent shape; a head part provided at a tip portion thereof with a discharge port for discharging cleaning water and detachably coupled to a front end of the body part; a connection part connected to a shower hose and a rear end of the body part and provided with a control valve for controlling water supply, a water flow rate and a water pressure; a water purification tube built in the body part and provided with leakage preventing grilles at both ends thereof; and a purified water discharge part provided inside the head part and configured to remove foreign substances in the water by using a filter.

Abstract: Water treatment structures may have at least a first geotextile fabric layer; a second geotextile fabric layer; a third geotextile fabric layer; a first filler layer with plastic particles, arranged between the first and second geotextile fabric layers; and a second filler layer with plastic particles, arranged between the second and third geotextile fabric layers, wherein the geotextile fabric layers and the filler layers are within a housing, and wherein the structure is configured such that contaminated water proceeds sequentially through the first geotextile fabric layer, the first filler layer, the second geotextile fabric layer, the second filler layer, and the third geotextile fabric layer. Methods of treating wastewater may involve passing wastewater, after optional oxygenating and pre-filtering, through such alternating layers of geotextile, preferably nonwoven, and polymer particles.

Abstract: A gravity-fed filtration apparatus includes a filter housing having a water inlet near an upper portion of the filter housing and a water outlet near a lower portion of the filter housing. A water filter having a plurality of discs is removably stacked within an interior cavity of the filter housing between the water inlet and the water outlet. An outer perimeter portion of each of the plurality of discs sealingly engages with an inner surface of the filter housing. A first disc of the plurality of discs comprises a first plurality of diffusers and a disinfectant media. A second disc of the plurality of discs comprises a mesh. The lower portion of the filter housing is configured to be disposed in the mouth of a water vessel.

Abstract: Cartridges useful in regenerating or purifying dialysis solutions are described as well as methods to regenerate or purify spent dialysis solutions. Dialysis methods using the sorbent cartridges of the present invention are further described.

Abstract: A removable and replaceable end cap that selectively lockingly engages a seat ring of a filter housing. The end cap may include a flange that compresses a gasket member between the end cap and the seat ring to form a fluid tight seal therebetween. The end cap may include cam locking grooves that may each receive insertion of a protrusion of the seat ring, and which are structured for at least rotational displacement about the received protrusion as the end cap is rotated between locked and unlocked positions relative to the seat ring. The end cap may also include an opening that accommodates the passage of a fluid to a filter element. The filter element, which may be coupled to the end cap, may be adapted to remove particulate or contaminate from the received fluid.

Abstract: A desalination system includes a water tank, a water-repellent particle layer located at a lower portion of the tank and composed of water-repellent particles, and a devolatilizing layer located below the water-repellent particle layer. Liquid is introduced to the tank, the introduced liquid is heated to be evaporated into water vapor, and the water vapor passes through the water-repellent particle layer and is liquefied at the devolatilizing layer, so that fresh water is obtained from the liquid. The desalination system further includes a liquid level controller for determining a level of the liquid introduced to the tank in accordance with information on relationship between information corresponding to an amount of the liquid introduced to the tank and a surface level of the liquid in the tank, and an introduced amount controller for adjusting the amount of the liquid introduced to the tank in accordance with the determined liquid surface level.

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: A jet regulator (1) which can be installed into the water outlet (2) of a sanitary outlet fitting (3), on the front side thereof. The jet regulator (1) can be arranged in a detachable or fixed manner in the water outlet (2). The jet regulator includes at least one holding element (4) for arranging or fixing the jet regulator (1) in the water outlet (2), with the holding element being inserted into a passage opening (5) on the perimeter of the fitting housing and engaging, in a fixed manner, with the end area thereof, the jet regulator (1), which projects into the interior of the fitting housing. The jet regulator (1) has a jet regulator housing (7) with an insertion opening (13) on the peripheral side, with the housing including in the interior at least one insertion guide (14) which is oriented across the jet regulator housing longitudinal axis, and at least one, preferably jet-producing, converter piece (15) can be inserted into the at least one insertion guide (14) from the insertion opening (13).

Abstract: A membrane device and processes for fabrication and for using are disclosed. The membrane device may include a number of porous metal membranes that provide a high membrane surface area per unit volume. The membrane device provides various operation modes that enhance throughput and selectivity for mass exchange, mass transfer, separation, and/or filtration applications between feed flow streams and permeate flow streams.

Abstract: A composition of enzyme, polymer, and crosslinker forms a network of covalently bound macromolecules. The covalently immobilized enzyme preparation has enzymatic activity, and retains stable activity when dried and stored at ambient conditions. Methods for preparing an immobilized enzyme and methods for using the enzyme are disclosed.

Abstract: The present invention is a purification system for removing hydrogen fluoride and water from an electrolytic solution for lithium-ion secondary batteries in which [1] a purifier for removing hydrogen fluoride containing a hydrogen fluoride adsorbent selected from among carbonate hydrotalcites and calcined hydrotalcites and [2] a purifier for removing water containing an adsorbent for trapping water are connected in this order from upstream to downstream.

Abstract: A shower filter between a downwardly slanting shower arm and a shower head, including a base, and a vertical housing with filler material. The base has an input chamber for receiving water from the shower arm, and an output chamber from which water may be discharged to the shower head. The housing is secured at its bottom end to the base and has a first port communicating with the base input chamber and a second port communicating with the base output chamber. A tube carries water from the housing first port to the top end of the housing, where it is diffused before passing down through the filter material and second port to the output chamber. A fragrant block is mounted to the base.

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: Utilizing mobile walls, a transportable (or stationary) low cost, low carbon footprint process and apparatus with a granular filter media dry cell (for filter or bed) for dewatering particulate solids from liquid. The mobile wall structures can be made of a rigid structure constructed of new or preferred salvaged materials, assembled, with watertight joints, used, disassembled and stored for redeployment. The walls are set in a keyway utilizing whatever soil composition is available. The walls can be used in the previous Deskins filters as old wall replacement or new wall construction. The invention utilizes a generator that is not dependent upon site or local electricity thus can be operated in any location. All parts can be engineered, fabricated according to the design of the Quick-Dry Filter Dewatering Mobile Process and Apparatus, packed in shipping containers and be readily available for any immediate need.

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: Passing a fluid though a single filter module effectively removes at least two different types of impurities from the fluid. The fluid is directed through at least two different types of filtering media within the single module. The at least two different types of filtering media are separated from one another, within the single module, by a porous containment layer of the module; and, one of the at least two different type of filtering media forms a core of the module, which is surrounded by the porous containment layer.

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 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 catch basin filter having a bag member with a plurality of compartments, the compartments containing heavy metal recovery material, whereby heavy metals in liquid passing through the compartments are filtered from the liquid stream or neutralized.

Abstract: Aspects and embodiments of the present disclosure are directed to apparatus and methods of filtering a fluid to reduce a level of at least one contaminant therein. The filtering of the fluid may be accomplished with a radial flow filtration column comprising a fluid chamber having an inlet, an outlet, and a side wall, an inner permeable retainer positioned in the fluid chamber, an outer permeable retainer positioned in the fluid chamber spaced apart from and surrounding the inner permeable retainer, a media bed compartment formed between the inner permeable retainer and the outer permeable retainer, a media bed comprising zero-valent iron disposed within the media bed compartment, and an adjustable element biased into the media bed compartment and configured to maintain a predetermined packing density of a media bed to be disposed within the media bed compartment.

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 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: An apparatus for and method of filtering hydrocarbon contaminated water, which may be used in drainage openings in parking lots and containment areas for large sources of hydrocarbons to remove hydrocarbons from hydrocarbon contaminated water. The apparatus has a filtration compartment which filters out debris which may clog the treatment compartment. A pre-filtration and means for melting snow may be incorporated. The treatment compartment contains a hydrocarbon absorption media which absorbs any hydrocarbons present in the water rendering such water substantially hydrocarbon-free for discharge directly into a stream or groundwater. If a hydrocarbon spill occurs, the hydrocarbon absorption media forms a plug which seals off the flow of contaminated water. A hydrocarbon solubilizing material capable of effectively removing sheen in a first pass may be disposed as a top layer over the hydrocarbon absorption media.

Abstract: A cartridge having at least one layer containing sodium zirconium phosphate and at least one layer containing a combination of acid zirconium phosphate and alkaline hydrous zirconium oxide is described. Methods of using the cartridge for water purification are also described.

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: The current invention is directed to a chromatography column separator which separates the chromatography column in an upper chromatography column chamber and a lower chromatography column chamber, and which has a variable position within the chromatography column, and which is embedded by the chromatography material. The separator allows the replacement of the chromatography material in the upper chromatography column chamber without the need to replace the chromatography column material in the lower chromatography column chamber and it allows also the combination of two different chromatography materials with different chromatographical functional groups in one chromatography column.

Abstract: A gravity-fed carbon block water filter in one embodiment includes a filter block comprising multiple sub-blocks each comprising filter media walls surrounding and defining a cavity for receiving fluid. Each of the sub-blocks is connected to at least one other of the sub-blocks by filter media of which the filter block is made. In one approach, the filter media includes about 20-90 wt % activated carbon, and about 5-50 wt % binder. In another approach, a lead concentration in a final liter of effluent water filtered by the filter is less than about 10 ?g/liter after about 151 liters (40 gallons) of source water filtration, the source water having a pH of 8.5 and containing 135-165 ppb total lead with 30-60 ppb being colloidal lead greater than 0.1 ?m in diameter. A gravity-fed water filter in other embodiments has no specified shape but achieves a FRAP factor of about 350 or less.

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 sand filter apparatus (10) for treating water includes a filter retention vessel (16) having an outlet (18) from which filtrate can be supplied. An inlet arrangement (48) is in fluid communication with the filter retention vessel and is connectable to a supply of waste water. A filter is interposed between the inlet arrangement and the outlet. The filter includes two layers of aggregate (12, 36) and a layer of sand (26) interposed between the two layers of aggregate. The sand is at least one of, or a mixture of, granite-based sand and substantially pure silica based sand.

Abstract: The present invention provides a flow-control support for a distributor plate in a composite pressure vessel. The distributor plate includes a thermoplastic polymeric disk having a top side, a bottom side, a perimeter edge and a central opening and a plurality of fluid flow passages through the disk. The flow-control support is disposed between the bottom side of the disk and an inner side of an end of a thermoplastic liner assembly. The flow-control support includes a spirally fluted upper surface that is adapted to direct fluid flowing from a supply pipe disposed in the central opening of a distributor plate that is supported by the flow control support such that the fluid swirls in a space between the bottom side of the distributor plate and an inner side of an end portion of a water treatment vessel. The swirling water insures that fluid is distributed to substantially all of the fluid flow passages through the disk during backwashing operations.

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: A process and apparatus for removing elements is described herein.

Abstract: Aspects and embodiments of the present invention are directed to apparatus and methods of filtering a fluid to reduce a level of at least one contaminant therein. The filtering of the fluid may be accomplished with a radial flow filtration column comprising a fluid chamber having an inlet, an outlet, and a side wall, an inner permeable retainer positioned in the fluid chamber, an outer permeable retainer positioned in the fluid chamber spaced apart from and surrounding the inner permeable retainer, a media bed compartment formed between the inner permeable retainer and the outer permeable retainer, and an adjustable element biased into the media bed compartment and configured to maintain a predetermined packing density of a media bed to be disposed within the media bed compartment.

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.

Abstract: A separation apparatus comprising, a series of compartments for holding particulate separation material, arranged so as to allow fluid to flow through the compartments in a primary direction from a first compartment in the series to a last compartment in the series, feed means for directing a flow of the fluid into the first of the series of compartments in the primary direction, barrier means for preventing flow of particulate separation material between compartments in the primary direction, and a pumping assembly arranged to pump a mixture of the particulate separation material and the fluid from the first compartment into a recovery stage.

Abstract: The water filter including a container, which has a bottom and a cover, wherein several inlets are provided on the border of the cover and an outlet is provided in the centre of the bottom. A spiral channel is located in the container, through which the inlets are connected to the outlet.

Abstract: A filter module has layers of a filter medium between which are draining elements. The draining layers and the filter layers are stacked on one another, and the draining layers are sealed on alternate sides by sealing elements.

Abstract: An ion-removing apparatus includes a housing, a first ion-removing unit and a second ion-removing unit. The housing includes an inlet port, a liquid discharge port and a gas discharge port. The first ion-removing unit is disposed within the housing, so that the fluid that has entered the housing via the inlet port flows through the first ion-removing unit. The first ion-removing unit serves to remove a first ion, such anions, contained in the fluid. The second ion-removing unit is disposed within the housing, so that the fluid that has flown though the first ion-removing unit flows through the first ion-removing unit. The second ion-removing unit serves to remove a second ion, such as cations contained in the fluid. The liquid contained in the fluid that has flown through the second ion-removing unit is discharged from the liquid discharge port. The gas contained in the fluid that has flown through the second ion-removing unit is discharged from the gas discharge port.

Abstract: A method and apparatus for the removal of at least part of the impurities of bio-diesel fuel, said impurities typically arising from production said purification involving exposure of the ‘raw’ bio-diesel to one or more fragments of plant material. The purification process can be a batch or continuous process.

Abstract: An apparatus for purifying a liquid including: reaction chambers that utilizes an ionization reaction material in turbulence with the liquid, a first fine collective filtration unit, a first laser photolytic light chamber that utilizes ultraviolet light in the 100 to 300 nanometer range to irradiate liquid, a second ultra-fine collective filtration unit, and a pharmaceutical grade granular activated carbon filter unit.

Abstract: A box filter comprises of a casing and at least two filters, which are installed inside the casing and behind the influx channel and have a buffer gap between two adjacent filters; the influx channel, which is installed on the external wall of the box filter. In addition, more than one guide vane is installed at the inlet of the influx channel and the bottom of the guide vane leans against the filter so as to eliminate the clog that forms the channel and so as to stop backflow of the sewage into the aquarium or container of the sift device while the box filter or sift device is removed from the aquarium. The guide vane can effectively improve drawbacks of the box filter of a prior art as well as enhance the filtration effect.

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.