Abstract: A feed side passage material is provided in which sufficient antibacterial activity is obtained even in the spaces among constituent yarns and which hence can effectively prevent biofouling. Also provided is a spiral separation-membrane element employing the feed side passage material. The feed side passage material, which is for use in a spiral separation-membrane element, is a feed side passage material in a net form constituted of yarns (1 and 2) containing a chlorophenol compound antibacterial. The spiral separation-membrane element comprises a perforated hollow core tube and, wound therearound, one or more separation membranes, one or more feed side passage materials, and one or more permeate side passage materials. The element is characterized in that the feed side passage materials each is said feed side passage material.

Abstract: The web of the invention can comprise a super absorbent layer that can act as an moisture sensitive fuel shut-off valve, absorbent, adsorbant or reactant. The web of the invention can comprise a super absorbent fabric or layer made of a superabsorbent particle or fiber. The web can comprise a nanofiber layer having dispersed within the nanofiber layer a super absorbent particulate and optionally a second particulate material that can act as an absorbent, adsorbant or reactant. Fluid, gas or liquid, that flows through or by the assemblies of the invention can have any gas, liquid or solid material dispersed or dissolved in the fluid interact with the super absorbent particulate. If needed these materials can also react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer.

Abstract: Embodiments of systems and methods for producing a coated activated carbon comprise the steps of providing activated carbon particles having a particle size up to about 100 ?m, and coating the activated carbon particles by spraying droplets of a cationic polymer solution onto the surface of the activated carbon particles, wherein the cationic polymer solution comprises about 1% to about 15% by weight cationic polymer and the droplet size is between about 5 ?m to about 100 ?m.

Abstract: A container for releasing a microbiocide component into a liquid composition susceptible to unwanted microbial growth (LCMG) includes a LCMG-impermeable casing separate and apart from an internal combustion engine housing, and having a hollow interior and at least one opening. A microbiocide component, for example, at least one LCMG-soluble microbiocide, is located in the hollow interior. At least one LCMG-permeable element is provided at or near an opening in the casing and is effective to provide for release of microbiocide component into the LCMG. Methods of releasing microbiocide component into LCMGs are also provided.

Abstract: A filter and filter material for providing or treating 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 mixture of a plurality of mesoporous and microporous activated carbon 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 reduction, killing or removal of bacteria, viruses, microbials, and TTHM are also provided.

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

Abstract: An exemplary self-cleaning light source module includes a light source assembly, a housing, and a photocatalyst layer. The light source assembly includes a first light emitting component for emitting visible light and a second light emitting component for emitting UV light. The housing encloses the light source assembly therein and has a light permeable portion. The photocatalyst layer is formed on an outer surface of the light permeable portion of the housing.

Abstract: A bacteria deactivation device that has a porous medium through which water and bacteria contained in the water, like E. coli and fecal coliform, are passed. Colloidal silver within the medium deactivates bacteria that pass therethrough. The medium has a porosity up to 80% and pores sized to provide flow rates up to 8 liters per hour while meeting Environmental Protection Agency limits for human consumption of silver.

Abstract: A filter block may comprise activated carbon filter particles without metallic biocides. The activated carbon filter particles may have a median particle size of less than or equal to about 90 microns and having a particle span of less than or equal to about 1.7. The filter block may have a permeability of greater than about 3.0×10?9 cm2 and a Filter Viruses Log Removal of greater than about 2 logs. A portion of the activated carbon filter particles may be coated with a cationic polymer. Another filter block may comprise mesoporous activated carbon filter particles without metallic biocides, wherein the mesoporous activated carbon filter particles may have a median particle size of less than or equal to about 104 ?m and a particle span of less than or equal to about 2.05, and wherein at least a portion of the filter particles may be coated with a cationic polymer. The filter block may have a permeability of greater than about 2.0×10?9 cm2 and a Filter Viruses Log Removal of greater than about 2 logs.

Abstract: The present invention discloses the preparation of antimicrobial membranes by inclusion of low leaching, control release silver-based antimicrobial additives as described in claim 1 into the polymer matrix and forming this into a semipermeable membrane. The antimicrobial agents protect the membrane system against bacterial and/or algal decay and assist in maintaining a high efficiency of the membrane filtration process.

Abstract: Disclosed are an atomizer for a fluid, especially for medical aerosol therapy, and a filter for said atomizer in order to prevent germs from spreading. The atomizer comprises a protective device for preventing germs from infesting the preferably preservative-free fluid. Particularly the filter can be used as a protective device. This prevents germs from infesting the fluid during the service life of the atomizer even when the atomizer is used several times.

Abstract: An apparatus for filtering liquids and the related filtering component, wherein the apparatus includes a head detachably associated to a container that accommodates a mechanically-acting filtering component; the head is provided with an inlet for the liquid to be filtered, which is connected to the portion of the container upstream of the filtering component, and with an outlet for the filtered liquid, which is connected to the portion of the container downstream of the filtering component. The apparatus has an antimicrobial structure.

Abstract: An apparatus for reducing pollution in wastewater that collects in a catch basin is disclosed. The apparatus includes a hood affixed to an interior wall of a catch basin over an outlet, and a skirted boom adjacent to at least a portion of said hood and fixed relative to the hood. The skirted boom includes an upper portion and a skirt extending down from the upper portion. The skirted boom is installed so that the upper portion of the skirted boom is adjacent to said hood at the static water level in the catch basin and the skirt extends downward, preferably below the bottom of the hood. A tether assembly for installing the apparatus and a method of using the same is further disclosed.

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 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: The invention provides novel methods for the separation of charged molecules such as proteins according to the isoelectric points (pI's) and includes the systems and buffering compositions employed for isolating charged molecules. The invention further provides for modifications to the above described chromatographic methods that enable the separation of charged molecules exhibiting virtually identical pI's by shifting both the buffer's pKa and the pI's of the eluted charged molecules while they are traversing the ion exchange column.

Abstract: Provided is an agglomeration for neutralizing acid mine drainage which includes a neutralizer and binder component consisting of steel slag in an amount of 75% to 95% by weight of the agglomeration, a sodium carbonate selected from the group consisting of soda ash and pulp liquor in an amount of 0.5% to 25% of the agglomeration, and, optionally, a lime component selected from the group consisting of limestone sand and slag. Further included is a dissolution control and filtration component consisting of an organic material in an amount of 0.24% to 15% by weight of the agglomeration selected from the group consisting of recycled newsprint, sphagnum peat moss, and sawdust. Next is a dispersant and neutralizer component consisting of a surfactant in an amount of 0.01% to 0.075% by weight of the agglomeration. The agglomeration may further comprise an oxidation component such as calcium peroxide, potassium permanganate, and hydrogen peroxide.

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 wherein at least a portion of the plurality of filter particles is at least partially coated with silver or a silver-containing material. 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: 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: 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: 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: Disclosed is a method and composition useful for controlling microbial contamination in drinking water produced from condensation. The composition comprises a zeolite which is modified to introduce zinc by ion exchange. The method comprises passing drinking water produced from condensation through a column packed with the modified zeolite.

Abstract: A filter and filter material for providing or treating 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 mixture of a plurality of mesoporous and microporous activated carbon 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 reduction, killing or removal of bacteria, viruses, microbials, and TTHM are also provided.

Abstract: A hydrocarbon industry servicing fluid comprises an irradiated fluid that is biologically inert. The fluid may be irradiated with ultraviolet light. A method comprises performing a hydrocarbon industry service operation with an irradiated fluid that is biologically inert. The method may comprise disposing of the irradiated fluid to the environment or capturing the irradiated fluid when the service operation is complete. The method may further comprise re-irradiating the captured irradiated fluid to produce a remediated fluid, and performing a service operation with the remediated fluid.

Abstract: Disclosed is an integrated paper wherein the paper has capabilities and functionalities provided by both the fiber and the active agent ingredients, and a method of immobilizing the active agents within the integrated paper. The tight pore structure of the integrated paper of the present invention, a mean pore diameter of less than about 2 microns, provides short diffusion distances from a fluid to the surface of the paper ingredients by adsorption or diffusive interception making it an excellent medium for fluid filtration. The integrated paper of the present invention can further include a microbiological interception enhancing agent. The integrated paper can be formed using, preferably, wet laid paper-making processes for speed and efficiency. Also disclosed are devices utilizing the integrated paper useful in fluid filtration.

Abstract: Liquid dispenser or water purification unit with a housing and a mouthpiece configured for contact with the mouth of a person, wherein at least part of the housing or part of the mouthpiece or parts of both have an antimicrobial surface.

Abstract: A nano-scale filter (10) includes a porous supporting component (14) and a carbon nanotube filtration membrane (12) sintered on a top surface of the porous supporting component. The porous supporting component has a number of micro-scale pores. The filtration membrane is configured as a network formed by aggregating a number of multi-junction carbon nanotubes. The multi-function carbon nanotubes are selected from the group consisting of two-dimensional junction carbon nanotubes (30, 40, 50, 60), three-dimensional junction carbon nanotubes (20) and an admixture thereof. A method for making the nano-scale filter is also provided.

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: 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.

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 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: 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: The present invention provides a fiber with iodinated resin particles embedded therein. The innovative fibers a show no or negligible leaching of iodine into the atmosphere and thus are not toxic. In one aspect, the antimicrobial fibers can be bonded or woven together to form a filter media. Examples of nonwoven filters are provided. Additionally, an electric charge can be applied across the nonwoven substrate to increase antimicrobial efficacy.

Abstract: The present invention discloses an article with an antimicrobial property, and a manufacturing method thereof which gives the antimicrobial property to a surface of an article which bacteria or viruses may contact to proliferate themselves, by using the Kimchi lactic acid bacteria culture fluid with antibacterial and antivirus effects. The article needing the antimicrobial effect is provided with the antimicrobial property, by using the Kimchi lactic add bacteria culture fluid with a wide antibacterial spectrum singly or in combination with nano metal particles.

Abstract: An adsorption apparatus and method of adsorption for treatment of wastewater is disclosed, and comprises an inlet for the wastewater connected to a metals trap which adsorbs metals and a second trap which filters organic materials from the wastewater, positioned between the inlet and the metals trap, wherein the second trap at least partially comprises either a phosphate or an activated carbon. The metals trap can be, for example, fish bone char. A method of manufacturing fish bone char is also disclosed.

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 mote 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 lightweight water treatment system which can be easily distributed and employed by disaster survivors for treating locally available water sources. The lightweight water treatment system includes a water treatment agent for treating a predetermined volume of water collected from a local water source; a collapsible elongated container for collecting the predetermined volume of water; one or more straps to transport the collapsible elongated container to a suitable location for treating the collected water with the water treatment agent and a spigot for controllably releasing the treated water.

Abstract: A filter assembly is provided that includes an immobilized base material in combination with a slow release mechanism for introducing an additive base material into a lubrication fluid flowing through the filter assembly. The introduced base material is a weaker base material than the base material of the immobilized base material. The combination of the immobilized base material and the additive base material provides a system that would work to neutralize acids for all lube formulations commonly used in the field. As a result, oil drain intervals can be extended.

Abstract: The present invention provides a method of treating a reverse osmosis membrane for boron rejection enhancement, comprising contacting the reverse osmosis membrane with a chemical coating such as PHMB, wherein the reverse osmosis membrane is part of a single-pass reverse osmosis system is configured to reduce the boron concentration of normal seawater or brackish water to less than a predetermined amount.

Abstract: To provide particles for water disinfection which are hard to be suspended and are hard to be diffused in water which is suitable for use of disinfecting water and which are capable of developing disinfection effect fully and method of producing the same. Particles for water disinfection in which silver is coated on a garnet surface or a particle surface whose main ingredient is garnet are used. When said particles are used, preferable embodiment of silver is that the granular lumps of silver are carried continuously and discontinuously forming a group on a garnet surface as shown in SEM photographs of FIG. 4. Effective production method of such particles can be conducted by the electroless plating method in which garnet particles are immersed in a mixed solution composed of reducing solution in which at least any one of potassium sodium tartarate, glucose, or acetaldehyde as a reducing agent is dissolved in water, silver nitrate solution, and ammonium solution.

Abstract: The invention relates to a microbial control system for treating influent water and sump water for control of microbial material in machines which process water such as ice making machines, humidifiers such as cool mist humidifiers and cooling towers. The microbial control system includes antimicrobial treatment media housed in a containment vessel. The treatment media can include any one or more of transition metals and transition metal oxides. The transition metal may be any of Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Rf, Db, Sg, Bh, Hs, Mt, Uun, Uuu and Uub.

Abstract: A water-insoluble polymeric oxidizing medium is contemplated that has a plurality of polymerized N-pyridinium vinylbenzyl triiodide or tribromide moieties whose pyridinium rings bear two substituents, R1 and R2, that are independently a hydrido or a C1-C4 alkyl group, and correspond in structure to the formula A process for preparing aseptic water and an apparatus useful for carrying out that process, both of which utilize a contemplated polymeric oxidizing

Abstract: A system for removing particulates and/or contaminants, including impure compounds and elements from fluid to be treated is provided. The systems can include a receptacle having chamber in which a volume of fluid may be accommodated, a cover for placement across an opening into the chamber, so as to prevent fluid from within the chamber from spilling, and a porous matrix, positioned within the chamber and having a nanostructured adsorption material for trapping and retaining, within its pores, particles and contaminants in the fluid. A method for removing particulates and contaminants is also provided.

Abstract: The invention relates to a method for producing a sterilisation system, especially for sterilising drinking water and water for industrial use. The precious metal surface of a base material containing precious metal is initially oxidised in an acidic solution and subsequently treated in an aqueous saline solution. The invention also relates to a sterilisation system and use thereof.

Abstract: A combination filtration and anti-microbial catch basin filter disposed in a catch basin of a storm water system such that, in addition to removing particulate matter and other contaminants, the concentration of bacteria in storm water that remains resident in the sump of a catch basin after a storm event is severely reduced or eradicated. The catch basin filter comprises a filtration bag depending from the opening such that water must pass through the bag and a plurality of strips or similar members depending from the filtration bag, the length of the strips being such that they remain in contact with water resident in the bottom of the catch basin. In an alternative embodiment, the device comprises a floatation member with filtering means and anti-microbial strips depending therefrom.

Abstract: An objective to be solved by the present invention is to provide a hazardous substance removing material capable of efficiently capturing and quickly inactivating hazardous substances of microbe origin such as viruses and bacteria, so as to minimize influences on the human body. The present invention provides a hazardous substance removing material which comprises a support having antibodies supported thereon, wherein the support is made of a fiber, and the moisture regain of the core fiber of the support is different from the moisture regain of the sheath fiber of the support.

Abstract: A surface light emitting device utilizes special features of a back light, and emits ultraviolet light. The surface light emitting device also functions as a filter that allows the passage of a fluid. The surface emitting device includes a light source; and a light guide plate with the light source disposed on a side surface thereof, wherein at least one of the front surface and rear surface of the light guide plate is a light emitting surface for emitting light from the light source. Surfaces other than the light emitting surface of the light guide plate and the side surface are formed as light shielding surfaces. The emitted light has a peak wavelength of 388 nm or less. The surface emitting device can be one in which the light guide plate has a plurality of through-holes, and the surface in which the through-holes are formed is a light emitting surface.

Abstract: A composite for inhibiting algae growth comprising a polypore base carrier and a nano-metal mixture coated on the carrier, wherein the mixture comprising a nano-metal particle and a substance for fixing the particle on the carrier.

Abstract: A gravity fed carbon block water filter includes activated carbon particles; a binder material interspersed with the activated carbon particles; and a lead scavenger coupled to at least one of the activated carbon particles and binder material, the lead scavenger being for removing lead from water, where 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 parts per billion total lead with 30-60 parts per billion thereof being colloidal lead greater than 0.1 ?m in diameter, and where the water has an average flow rate of at least 0.1 liter per minute through the filter with a head pressure of between approximately 0.1 and 1.0 psi.

Abstract: A filter assembly is operably connected to a supporting structure. The filter assembly removes contaminants from a fluid. The filter assembly includes a filter housing, a filter cartridge, and a reticulated foam fluid treatment media. The filter housing has an inlet, an outlet and a chamber extending through the filter housing. The filter cartridge is positioned in the chamber of the filter housing. The filter cartridge is constructed from a fibrous material used to filter contaminants from a fluid. The filter cartridge has a passageway extending from a proximal end of the filter cartridge to a distal end of the filter cartridge. The reticulated foam fluid treatment media is disposed within a portion of the passageway of the filter cartridge.

Abstract: An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element containing a beneficial additive therein. The beneficial additive is provided to extend the useful life of lubricating oil in an internal combustion engine. The beneficial additive may include an antioxidant, an anti-wear agent, and/or a basic salt. In a preferred embodiment of the invention, the chemically active conditioning agent is provided in a plurality of particles disposed within the oil filter housing. The particles may be bonded together to form an integral porous filter element having spaces defined between the particles thereof. The particles are made either by a hot extrusion process or by a solvent process.