Abstract: A catch basin configured to filter water by way of a matrix filter and a filter pouch. If the matrix filter should become clogged, a bypass weir provides means of bypassing the matrix filter to prevent the catch basin from clogging.

Abstract: An apparatus, method, and system for treatment of industrial waste water and/or marine vessel bilge water before discharge into waterways, said waste water having hydrocarbon, and synthetic oils, chemical or surfactant based hydrocarbon emulsions, and water soluble hydrocarbons, containing hydrocarbon coated organics and fine suspended particulate matter, said treatment utilizing a hydrocarbon sorbing pre-filter media together with filter structural elements to first remove hydrocarbon contaminated organics and particulate, coalesce then bifurcate and adsorb heavier hydrocarbon elements; the remaining liquid entering the second stage of filtration wherein a cryogenically pulverized recycled tire powder material removes the remaining hydrocarbons, synthetic oils, hydrocarbon emulsions, and water soluble hydrocarbons, providing a highly clarified and oil free effluent at high flow rates and with substantially reduced filter system maintenance.

Abstract: A system for water purification, filtration and item sanitization are described herein. In one embodiment, a water filtration device uses an extruded carbon sheet or granulated activated carbon to filter unpurified, gravity-fed water. A filtering medium is provided within a lower opening of an upper reservoir for filtering unfiltered water passing therethrough, the filtering medium being located above and not extending into a lower reservoir. The device can be a stand-alone water container or incorporated within a water purification system having a further purification technology located in a base in fluid communication with the water container. The base can include controls for informing a user when the water filtration or item sanitization has been completed. Practical applications include drinking water filtration, sanitization of household items, medical equipment, and the like.

Abstract: A dialysate fluid circulation apparatus includes a dialyzer, a first housing and a second housing. The first housing contains material capable of releasing sodium into dialysate fluid flowing through the first housing. The second housing contains material capable of binding sodium ions from dialysate fluid flowing through the second housing. Hydraulic conduit sections are configured to extend between the dialyzer, the first housing, and the second housing to connect the dialyzer with the housings in a primary flow path for dialysate fluid to flow from the dialyzer to the first housing, from the first housing to the second housing, and from the second housing back to the dialyzer.

Abstract: Provided are an anti-microbial matrix and filtration systems containing the same. The matrix comprises a surface-modified inorganic component and a polymeric binder comprising particles having an irregular, convoluted surface. The surface-modified inorganic component comprises a reaction product of an anti-microbial component and an inorganic component. The anti-microbial component comprises a quaternary ammonium salt containing an epoxide group. A covalent bond is, for example, between the quaternary ammonium cation and a hydroxyl group of the inorganic component. The quaternary ammonium salt can be poly(methyldiallylamine epichlorohydrin). Further, the quaternary ammonium salt can have the formula according to I: (Formula I), wherein n is in the range of 5 to 24. The inorganic component can be diatomaceous earth. The polymeric binder can comprise ultra high molecular weight polyethylene (UHMW PE). Methods of making and using the same are also provided.

Abstract: A system for reuse of water stored in a reservoir by transfer of initially filtered water from the reservoir to a vertically stacked filtration system located onshore. A flexible filter screened, porous feeder line housed within a perforated carrier pipe extends into the reservoir and is supported above the bottom of the reservoir for transfer of filtered water to the vertically stacked filtration system. The flexible filter screened, porous feeder line includes a conveyance system for retraction and extension of the porous feeder line by two cables. The feeder line is movable from the perforated carrier pipe for cleaning or replacement of the porous feeder line.

Abstract: A carbon adsorption vessel for use in a CIP (carbon in pulp) or CIL (carbon in leach) process may be constructed. A slurry is obtained having dissolved (leached) precious metals. The slurry is brought into contact with carbon particles and is passed through a retention screen in the vessel. The dissolved precious metals adhere onto the carbon particles. An air lift pump provides the pressure differential necessary to drive the slurry through the retention screen, wherein the carbon particles are retained by the retention screen and the slurry passes through the retention screen. After passing through the retention screen, the slurry is received in to a receiving vessel that may be situated at, below or above the level of source vessel.

Abstract: An above ground water clarifier is described. The clarifier includes a spray system for receiving water from an external system and disposing the water onto a filter tray rack. A first recovery chamber is positioned below the filter tray rack for receiving filtered water that is gravity fed through the filter tray rack. A second recovery chamber is positioned adjacent to and fluidly connected with the first recovery chamber. The first and second recovery chambers are formed to filter out solids and/or oils before passing the water to a sump chamber and/or the sewer. The sump chamber includes a plurality of tiered pumps for pumping the water back to the external system.

Abstract: The invention relates to a structurally simple and hence economical fuel filter, in particular a diesel filter, having at least one fuel inlet, at least one fuel outlet, water separator means, at least one sump, a water outlet associated with the sump, and control means for the water outlet, in which the water to be drained out is cleaned by means for separating out contaminants, so that this water can be given off to the environment.

Abstract: A method of treating low-pressure untreated drinking water includes providing a low-pressure water filter device, running low-pressure untreated drinking water from a source of low-pressure untreated drinking water through a low-pressure water filter of the low-pressure water filter device, removing bacteria and viruses from the low pressure untreated drinking water at a level of Filter Bacteria Log Removal of greater than about 2 logs and a Filter Viruses Log Removal of greater than about 1 log, and filling a storage housing with treated drinking water at greater than about 5 mL/min. The low-pressure water filter device may include a connector for connecting to an untreated drinking water source, a low-pressure water filter comprising mesoporous activated carbon particles and a storage housing. The average fluid contact time with the low-pressure water filter may be greater than about 2 seconds.

Abstract: A porous media, a housing containing a porous media and methods for fabricating the housing containing a porous media are provided. The porous media is composed of varying amounts of sorptive binding particles in combination with polymer particles, for example silica particles mixed with polyethylene beads. The porous media is sintered into target housings, for example pipette tips, for use in desalting, purifying and separating biomolecules in target samples. The porous media is also formed into porous media discs via pressure and heating for insertion into housing devices.

Abstract: A new device, method, and system are disclosed that provide for removal of undesired materials from a contaminated fluid. Materials present in the fluids are kept in motion in one or more filter cassettes that include disc aerators that improve contact times with the sorbents and that rotate the filter media to pump contaminated water through the filter media for treatment of the contaminated fluids. The device and system provide containment of sorbent fines that keeps the filter media free from clogging.

Abstract: The invention features a filtration segment having a top seal, a bottom seal and a primary filter core and the method of filtering with the design of the filtration segment. The primary filter core is operatively coupled to at least one opening which is located either on the top seal or on the bottom seal. The filtration segment also includes one or more interior filters surrounding the primary filter core. Each interior filter includes a filter material surrounding a secondary core which is operatively coupled to at least one opening which is located either on the top seal or on the bottom seal. Each filter may optionally include a retaining medium enclosing the filter material. The filtration segment has one or more layers of an exterior filter media which operatively surround the interior filters and are operatively coupled to the top seal and the bottom seal.

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: The present invention relates to an apparatus for, after separating plasma from blood using a plasma separation filter, purifying the blood by discharging various kinds of toxic substances from the separated plasma using an anion exchange resin filter and a charcoal filter, and more particularly, to an apparatus for purifying blood configured to be capable of miniaturization and be conveniently used by installing the plasma separation filter, the anion exchange resin filter, and the charcoal filter in a housing.

Abstract: A water purification method and devices, and in particular a purification method effective against microbes, that uses a silane-based antimicrobial, and in particular the AEGIS MICROBE SHIELD antimicrobial, where the antimicrobial is embedded, coated, or otherwise permanently applied to a substrate or carrier, such as a solid, a porous solid, fibers or the like. A volume of microbe contaminated water is exposed to the antimicrobial carrier for sufficient residence time such that sufficient quantities of microbes are eradicated and the water is made potable. The antimicrobial carrier may be an object suspended or placed into a container or reservoir for the water, or the antimicrobial carrier may comprise the container or reservoir itself. Particulate filters or the like may also be combined with the antimicrobial container to remove other undesirable contaminants.

Abstract: According to an aspect of the present disclosure, a fluid supply assembly fluidly connectable to a source of fluid is provided. The fluid supply assembly includes a housing (702); a hydraulic assembly (710) supported within the housing (702), wherein the hydraulic assembly (710) is configured and adapted to pressurize the fluid which is supplied to a solenoid shut-off valve (724); a tank assembly (714) supported within the housing (702) for retaining a quantity of pre-conditioned fluid therein; and a filter assembly (720) supported within the housing (702) and in fluid communication with the hydraulic assembly (710).

Abstract: The invention relates to a packing material for a micro-adsorption column for drying and/or purification of dissolved organic or biological analytes, such as toxins, antibiotics, vitamins, hormones, pesticides and similar, containing at least one drying agent which contains magnesium sulphate and at least one further drying agent selected from the group comprising aluminium oxide, calcium chloride, calcium hydride, calcium oxide, calcium sulphate, potassium hydride, silica gel, copper sulphate, magnesium oxide, magnesium perchlorate, molecular sieves, sodium hydroxide, phosphorus pentoxide, sulphuric acid on silica, phosphorus pentoxide on silica and 0.5 to 90 wt. % of a naturally-occurring or synthetic support with large internal surface such as zeolite, diatomic earths, bentonite, silicon dioxide or similar. The invention further relates to a micro-adsorption column packed with the above and use thereof.

Abstract: A flexible water bottle is provided that includes an approach for filtering unfiltered water within the bottle. The bottle includes a filter assembly located within the cap of the bottle such that the filter assembly need not descend into the bottle cavity when the cap is screwed on, thereby not displacing water while screwing on the cap. The filter assembly has an axial flow orientation. An illustrated filter assembly includes paper filters covering the upper and lower ends and can include an activated charcoal filter in between the paper filters. Water is filtered when pressure generated by squeezing the bottle forces water from the bottle cavity through the filter along an axial flow path and out through a spout.

Abstract: A method for dispersing an oil additive into an oil passing through a filter, the method comprising: filling a first cavity of an additive cartridge with an additive; locating the additive cartridge within a housing of the filter, the additive cartridge being located within a flow path through the filter, the additive cartridge having a second cavity without any additive disposed therein, the second cavity defining a first fluid path through the additive cartridge and the oil must pass through the second cavity in order to exit the filter; and metering the additive through an opening in the additive cartridge, the opening providing a second fluid path into the additive cartridge.

Abstract: A debris-filtering downspout and other water runoff conduits and receptacles are disclosed, and include a screen mounted within a conduit, a culvert, a storm water conveyance or secured to a water collection basin. The screen provides high water throughput and is self-cleaning while effectively filtering debris contained in an incoming water stream. Optionally, media pads may be included to further scrub the water before it exits the downspout assembly.

Abstract: Process, apparatus and article for treating an aqueous solution containing biological contaminants. The process includes contacting an aqueous solution containing a biological contaminant with an aggregate composition comprising an insoluble rare earth-containing compound to form a solution depleted of active biological contaminants. The aggregate includes more than 10.01% by weight of the insoluble rare earth-containing compound. The insoluble rare earth-containing compound can include one or more of cerium, lanthanum, or praseodymium. A suitable insoluble cerium-containing compound can be derived from a cerium carbonate, a cerium oxalate or a cerium salt. The composition can consist essentially of cerium oxides, and optionally, a binder and/or flow aid. The aggregate includes no more than two elements selected from the group consisting of yttrium, scandium, and europium when the aggregate is to be sintered.

Abstract: A water treatment apparatus includes a first treatment tank forming thereon a first, fixed bed includes a powdery phosphorus adsorbent includes an inorganic layered compound, wherein the first bed separates phosphorus and solid matter from the water, and recovers the phosphorus in a state adsorbed on the phosphorus adsorbent in the first bed, a second treatment tank forming a second, fluidized or fixed bed includes the phosphorus adsorbent, wherein the second bed separates phosphorus from the water received from the first treatment tank, and recovers the phosphorus in a state adsorbed on the phosphorus adsorbent in the second bed, and a transferring line configured to transfer the phosphorus adsorbent, having phosphorus adsorbed thereon in the second treatment tank, from the second treatment tank to the first treatment tank.

Abstract: A dialysate fluid circulation apparatus includes a dialyzer, a first housing and a second housing. The first housing contains material capable of releasing sodium into dialysate fluid flowing through the first housing. The second housing contains material capable of binding sodium ions from dialysate fluid flowing through the second housing. Hydraulic conduit sections are configured to extend between the dialyzer, the first housing, and the second housing to connect the dialyzer with the housings in a primary flow path for dialysate fluid to flow from the dialyzer to the first housing, from the first housing to the second housing, and from the second housing back to the dialyzer.

Abstract: An integrated process that includes liquid-solids separation and filtration system that treats swine or dairy feeding operations residual waste (manure flushwaters) for recovery of solid and dissolved nutrients for reuse and recycling of water from these wastes for a variety of uses. The system includes a coarse liquid/solids system to remove coarse material and multi stage, multimedia filter system that includes a set of modules. Each module includes screen assemblies and filter media sandwiched between the screen assemblies. A plurality of control assemblies is associated with each of the modules. The control assemblies include at least one external valve and are in fluid communication with a corresponding module to control flow through the corresponding module.

Abstract: The present invention provides a biological treatment and filtration system equipment that can reliably remove most of materials harmful to the human body and arsenic components not capable of being removed until now, which are contained in the raw water, by a series of purification operations.

Abstract: Disclosed is a method of providing potable water that includes providing a filter, passing water through the filter, and removing bacteria and viruses from the water with the filter. The filter comprises a housing having an inlet and an outlet and a filter material disposed within the housing, the filter material formed at least in part from a plurality of filter particles consisting of mesoporous activated carbon. A sum of mesopore and macropore volumes of the filter particles may be between about 0.2 mL/g and about 2 mL/g, wherein mesopore means an intra-particle pore having a diameter between 2 nm and 50 nm, and macropore means an intra-particle pore having a diameter greater than 50 nm, a total pore volume of the filter particles is greater than about 0.4 mL/g and less than about 3 mL/g, and a ratio of the sum of the mesopore and macropore volumes to the total pore volume of the filter particles is greater than about 0.3.

Abstract: Disclosed is a method of providing potable water that includes providing a filter, passing water through the filter, and removing bacteria and viruses from the water with the filter. The filter comprises a housing having an inlet and an outlet and a filter material disposed within the housing, the filter material formed at least in part from a plurality of mesoporous wood activated carbon filter particles and particles selected from the group consisting of mesoporous wood activated carbon filter particles coated entirely with a cationic polymer, mesoporous wood activated carbon filter particles partially coated with a cationic polymer, and mixtures thereof. A sum of mesopore and macropore volumes of the filter particles may be between about 0.2 mL/g and about 2 mL/g, wherein mesopore means an intra-particle pore having a diameter between 2 nm and 50 nm, and macropore means an intra-particle pore having a diameter greater than 50 nm, a total pore volume of the filter particles is greater than about 0.

Abstract: The invention relates to a filter cartridge (1), especially a suction filter cartridge, which is provided, in the outlet opening (20), with an inward-pointing, peripheral snap-on rim (22) which can be folded from a first lower snap position into a second upper snap position and vice versa. The invention also relates to a seat element (30) for such a filter cartridge, comprising a connection sleeve (33) which engages with the outlet opening (20) of the filter cartridge (1). Said connecting sleeve (33) comprises at least one actuator which displaces, when the filter cartridge (1) is placed on the rim, the snap-on rim from a first lower snap position to the second upper snap-on rim from a first lower snap position to the second upper snap positioning which the snap-on rim rests against the connecting sleeve (33) in a sealing and clamping manner.

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: A system and containers for water filtration and item sanitization are described herein. In one embodiment, a water filtration device uses an extruded carbon sheet or granulated activated carbon to filter unpurified, gravity-fed water. The device can be a stand-alone water container or incorporated within a water purification system having a further purification technology located in a base in fluid communication with the water container. Other sanitizing containers can be used with the base to sanitize items while the water in the container is being sanitized. The base can include controls for informing a user when the water filtration or item sanitization has been completed. A method of sanitizing items is also disclosed. Practical applications include drinking water filtration, sanitization of household items, medical equipment, and the like.

Abstract: Wastewater and sewage filtering and adsorbing unit includes sewage reservoir, clean water reservoir, active coke powder storage, filtering and adsorbing tank, control cabinet, saturated active coke sludge settling tank, filtering and adsorbing material. The sewage reservoir and the clean water reservoir are on one side, and the filtering and adsorbing tank and the active coke powder storage are on other side. Active coke powder storage is above and connected to filtering and adsorbing tank by conduits; inlet pipes in rows and an outlet branch pipe are mounted into the filtering and adsorbing tank. Filtering and adsorbing material is active coke powder. The sewage reservoir is connected with the filtering and adsorbing tank. An active coke sludge discharge port and an active coke sludge conveyor, which are connected to the saturated active coke sludge settling tank by transporting pipelines, are at the bottom of the filtering and adsorbing tank.

Abstract: A system and method of filtering metalworking fluid is disclosed. A particle filter is provided in fluid communication with a sump of machining equipment to filter particles from a metalworking fluid. The metalworking fluid is filtered using the particle filter to remove metal filings and debris from the metalworking fluid. A tramp oil filter is provided in fluid communication with the particle filter to remove tramp oil, wherein the tramp oil filter includes hydrophobic material to absorb oil. The oil-free metalworking fluid may then be re-circulated back to the machining equipment.

Abstract: A water treatment assembly includes a housing having a plurality of water treatment component interfaces. The water treatment assembly also includes a plurality of water treatment components selected from a group of a particulate filter component, a taste and odor filter component, a lead and mercury filter component, a water softener component, and a water disinfection component, wherein each of the water treatment components are coupled to a respective one of the water treatment component interfaces. Plumbing lines provide flow communication between the components, and the plumbing lines include a system water inlet and a system water outlet.

Abstract: Disclosed are a method for further purifying ultrapure water, according to which any impurities in ultrapure water can be stably removed to a high degree within a small space over a prolonged period; and an apparatus therefor. Ultrapure water introduced into an ultrapure-water purifying apparatus 10 passes through an ion exchange resin layer 5 in a lower chamber 1a. During this process, metal ions, for example, in the ultrapure water are removed by the ion exchange resin. The ultrapure water then passes through a perforated plate 4, flows into an upper chamber 1b, and permeates an ion exchange filter 6. During this process, metal ions and other impurities remaining unremoved by the ion exchange resin layer 5 are removed. Specifically, metal ions are removed to a certain extent by the ion exchange resin, so that it is enough for the ion exchange filter provided downstream thereof to remove an extremely small amount of metal ions.

Abstract: An oil-water separator for use in a trench, which surrounds an oilfield. The separator is positioned in the ground such that an inlet conduit extends at about the same level as the bottom of the trench. The trench water is admitted into the housing, where it contacts a plurality of buoyant oil-absorbing members, causing the oil particles to adhere to the surface of the oil-absorbing members. An outlet conduit located downstream from the oil-absorbing members is connectable to a pump to cause the oil-free water to be pumped from the housing and diverted away from the trench.

Abstract: A potable liquid dispensing apparatus includes a housing configured to be coupled to a source of potable liquid. A filter is disposed within the housing for the passage of the potable liquid.

Abstract: The present invention is a portable water filtration/purification system that may be used for educational purposes. It includes a plurality of stackable filtration/purification housings, each of which accommodates a different type of water filtration/purification subsystem. A pressurization cap connectable to each housing provides for pressurizing one, several or all housings stacked in a particular combination or sub-combination. The housings may be color-coded for easy identification of each the type of filter within a particular housing. The water filters or purifiers in the various housing may include, but are not limited to, a sediment filter, a carbon filter, a reverse osmosis filter, a forward osmosis filter, a chemical purifier (or purification sub-system), and/or an ultraviolet light water purifier (or purification sub-system).

Abstract: A contaminant adsorption is provided that includes a self-assembled monolayers on mesoporous supports (SAMMS) on a lattice support structure such as sintered metal wire mesh. Individual wire fibers of the sintered wire mesh may have a film coating of mesoporous material that is functionalized for a target metal. The mesh material is formed into filtration elements with or without particulate filtration media. Systems employing such filtration elements in one or multiple stages are also disclosed with an optional acid was stripping system for regenerating SAMMS and to facilitate reclamation of contaminants that can be refined into usable commercial materials.

Abstract: A water filter device for treating untreated drinking water, wherein the water filter device may comprise a connector for providing fluid communication between the water filter device and an untreated drinking water source. The water filter device may comprise a low-pressure water for treating untreated drinking water, the water filter may comprise a water filter material. The water filter may comprise a F-BLR of greater than about 2 logs. The water filter device may comprise a storage housing in fluid communication with the low-pressure water filter. The water filter device may comprise an automatic shutoff valve for arresting the flow of treated drinking water into the storage housing. The water filter device may comprise a dispenser for dispensing treated drinking water from the storage housing.

Abstract: A filter for providing potable water is provided. The filter includes a housing having an inlet and an outlet, a filter material disposed within the housing, the filter material formed at least in part from a plurality of mesoporous, basic, and reduced-oxygen activated carbon filter particles. Preferably, at least some of the mesoporous activated carbon filter particles are coated with a cationic polymer, and even more preferably, at least some of the particles are coated with a cationic polymer and silver or a silver containing material. Kits comprising filters and information relating to the killing or removal of bacteria, viruses, and microbials are also provided.

Abstract: An electrical machine is provided. The machine includes at least one rotor mounted for rotation about a central axis and at least two stator sections mounted axially adjacent to and on opposite sides of the rotor. The rotor includes two circumferentially arrayed rows of alternating segments of permanent magnet and ferromagnetic pole pieces. One of the rows is spaced radially inwardly from the other row. The permanent magnet and ferromagnetic pole pieces are separated by a non-ferromagnetic material. The pole pieces are arranged so that the permanent magnet segments in the first row are radially adjacent to ferromagnetic segments in the second row so that the N-S magnetic fields of the permanent magnet segments are aligned axially. Each stator section includes a ferromagnetic stator frame, at least a first AC winding wound in circumferential slots in the stator frame, and a DC field winding wound on the stator frame.

Abstract: An apparatus for producing purified drinking water. The apparatus comprises a container top including an ultrafiltration insert. The container top attaches to the opening of a liquid holding container, such that liquid from the container passes through a filter. The device includes a mechanism for back flushing or cleaning the filter. The resulting water is substantially pure, being free of bacteria, to make it safe for drinking.

Abstract: Disclosed is a method and a filter unit for depleting or enriching a liquid or gas with substance(s) comprising i) providing a filter unit comprising at least one convective layer and at least one receiving layer adjacent one another, ii) passing the liquid or gas through the filter so that the main direction of flow is along the layers and the main flow of liquid gas is in the convective layer, allowing the substance(s) to: a) be transferred from a convective layer to a receiving layer, and b) be retained or otherwise modified or transferred within a receiving layer, or c) be provided by the receiving layer, and d) be transferred from the receiving layer to the fluid in the convective layer.

Abstract: A debris-filtering downspout and other water runoff conduits and receptacles are disclosed, and include a screen mounted within a conduit, a culvert, a storm water conveyance or secured to a water collection basin. The screen provides high water throughput and is self-cleaning while effectively filtering debris contained in an incoming water stream. Optionally, media pads may be included to further scrub the water before it exits the downspout assembly.

Abstract: A portable water purification device includes a base, a fixed sleeve, a tube, a filtering unit, and a movable sleeve. The base includes a channel for providing filtered liquid. The fixed sleeve is fixed on the base and includes a first peripheral wall and a first axial hole. The tube on where the filtering unit is mounted is secured on the base and held in the first axial hole to define a penetrated hole communicating with the channel. The movable sleeve is mounted on an external surface of the fixed sleeve, and slid between a first position away from the base and a second position adjacent to the base. The movable sleeve includes a second peripheral wall and a second axial hole whereby the first axial hole communicates with the second axial hole to define a containing room when the movable sleeve is located on the first position.

Abstract: A modular curb inlet filter apparatus having an internal axial tube member on which are disposed at least two disc spacers, which in turn support a cylindrical mesh frame member, which in turn supports a tubular filter fabric. Wedge anchors composed preferably of a compressible polymer foam are provided with anchor bores of sufficient diameter to receive the ends of the cylindrical mesh frame member therein, the anchor bores being disposed near the base of the wedge anchors such that the curb inlet filter inlet apparatus will be seated close to surface of the curb inlet base when positioned within the curb inlet. Preferably the wedge anchors are provided with a base scuff plate made of a durable polymer material to prolong their use life. A short silt flap or skirt depends from the filter fabric, the silt flap extending the approximately the length of the curb inlet filter apparatus to seal any gap beneath the curb inlet filter apparatus and the base of the curb inlet.

Abstract: A portable water purification device includes a base, a fixed sleeve, a tube, a filtering unit, and a movable sleeve. The base includes a channel for providing filtered liquid. The fixed sleeve is fixed on the base and includes a first peripheral wall and a first axial hole. The tube on where the filtering unit is mounted is secured on the base and held in the first axial hole to define a penetrated hole communicating with the channel. The movable sleeve is mounted on an external surface of the fixed sleeve, and slid between a first position away from the base and a second position adjacent to the base. The movable sleeve includes a second peripheral wall and a second axial hole whereby the first axial hole communicates with the second axial hole to define a containing room when the movable sleeve is located on the first position.

Abstract: A water treatment process comprising: (a) providing bioactive material in waste water, the bioactive material containing microorganisms capable of removing one or more impurities from the waste water, wherein at least 40% by volume of said bioactive material in said waste water is in granular form; and (b) passing a portion of the waste water through a membrane separator, whereby the membrane separator prevents the bioactive material from passing therethrough.

Abstract: Ion transport apparatus (e.g. an electrolytic eluent generator or a suppressor for ion chromatography) in which ions in a first chamber are transported to a liquid in second chamber through a wall comprising an ion exchange bead sealed in a bead seat. The wall is capable of transport ions but of substantially blocking bulk liquid flow.