Abstract: More specifically, the present invention features an improved feeder tube for a water treatment cartridge that provides treatment by a solid compound for a slipstream of untreated water flowing through the cartridge. The feeder tube includes a first end and a second end, such that the slipstream of water generally flows into the feeder tube at the second end and out of the feeder tube at the first end. A bottom plug assembly is in operational relationship with the second end and includes a porous plug being sized and configured to provide filtration and purification for the slipstream portion of the water.

Abstract: An apparatus for providing a solute to a solvent, the apparatus comprising a feed line where the feed line comprises a mixer-injector having at least a body with a carrier stream inlet, an additive stream inlet, and an outlet, a metering valve for controlling an amount of solute to supply to the solvent, a flow meter to determine the amount of solute to supply to the solvent, a strainer to remove a foreign substance from the solute, a cleanout valve, an additive feed line, a solenoid valve to control when a release of the solute to the flow meter is made, and a shut-off valve to prevent the release of said solute to the solvent.

Abstract: A recharge and filter assembly includes a housing with a removable recharge and filter cartridge. The housing includes a canister with a removable cover allowing access to the cartridge. The cartridge includes a filter element comprising a ring of media and upper and lower end caps. The upper end cap carries a peripheral seal which provides a fluid-tight seal with the housing canister. An annular channel is provided between an annular portion of the upper end cap and the seal. An annular support member from the cover is received in the annular channel to support the upper end cap. Latching fingers on the upper end cap and a mating ring on the cover removably couple the cartridge to the cover. The cartridge further includes a recharge canister supported by tabs on the upper and lower end caps. Fluid is recharged by inhibitor material, while particulates and other contaminants are removed by the filter media.

Abstract: A means for controlling/eliminating algae or other biological growth in the weir of a clarifier of waste water.

Abstract: A dispenser apparatus for cantileverly mounting in an off-line condition in an axially component of a water system with the dispenser apparatus carrying a water treatment composition therein that can be released into a water system with one embodiment of the dispenser apparatus including a pair of replaceable containers for holding a water treatment composition with the containers serially located so that the water flowing into one container flows into the second container with the second container removable from the first container so that the second water treatment composition can be replenished without having to replenish the water treatment composition in the first container.

Abstract: A wastewater treatment system comprises a septic tank which flows liquid effluent through an aerobic filter. The aerobic filter has a textile filter media. In one aspect, the textile filter media has relatively high open area and relatively low or moderate water holding capacity. In another aspect, the filter media comprises a plurality of vertically oriented textile sheets having a relatively small gap between adjacent sheets.

Abstract: Filters and filter materials for removing microorganisms from a fluid are provided along with processes for using the same. The filters include a housing having an inlet and an outlet and a filter material disposed within the housing, wherein the filter material is formed at least in part from a plurality of filter particles having an activated coating with a lignosulfonate.

Abstract: A device case is constructed to include a front frame, a face panel, a metal wire gauze filter mounted in an air input port in the face panel, an air output port disposed at a back side, an induced-draft fan mounted in a front frame behind the face panel and adapted to draw outside air through the air input port and the air output port, an ultraviolet lamp installed in the front frame above the induced-draft fan, and a layer of titanium dioxide photocatalyst coated on the face panel, said frame, the wire gauze filter, and an inside wall of the computer case within the radiation of ultraviolet light from the ultraviolet lamp.

Abstract: To make a filter element for water treatment capable of substantially completely removing dioxins contained in water, a first water treatment material 20 and a second water treatment material are 30 filled and disposed within a housing 10 with a water inlet 11 and a water outlet 12, in which water passes through the both water treatment materials 20 and 30, and the first water treatment material 20 is constituted of a superposed layer of four layers or more layers 21a, 21b, 21c, 21d, 21e, made of a ceramic solid 101 containing a ferrous and ferric salt represented by the following formula:

Abstract: A fully mixed reactor 1 for activated sludge treatment of sewage as a mixed liquor which reactor 1 includes at least one aerator 6 operative intermittently to raise the dissolved oxygen level of the liquor and a control system 7 which is arranged to operate the aerator 6 to provide an operative phase including a predetermined aerobic time period after a first dissolved oxygen target level is reached, and an inoperative phase including a predetermined anoxic time period after a second, lower, dissolved oxygen target level is reached, is provided.

Abstract: A groundwater decontamination system includes a decontamination unit adapted to be lowered down through a non-pumping well into an aquifer containing contaminated water. The unit can also be raised up and out of the non-pumping well for cleaning, servicing or replacement. The decontamination unit includes a porous outer tube with a plurality of holes through which contaminated water flows, and a porous inner tube with a plurality of holes through which flows in-flowing contaminated water flowing through outer tube. A contaminant removing reactive barrier material is disposed within the inner tube for removing on contact contaminants from the in flowing water. A flow directing arrangement, preferably in the form of flow directing fins, directs in-flowing water from the holes in the outer tube to the holes in the inner tube (i.e., provider of the channeling of the ground water into the reactive barrier material). The system can monitor the contaminant removal, as well as other conditions of the groundwater.

Abstract: A wastewater aerating system uses a plurality of aeration floats movably arranged within a body of wastewater and supplies each of the floats with compressed air delivered through a flexible line from a compressor arranged onshore near the wastewater body. Each aeration float has a floatation chamber floating on the surface of the wastewater and delivers compressed air from the floating chamber downward to a predetermined depth below the waste water surface where the compressed air is distributed to a plurality of diffusers arranged around the surface float to direct streams of air bubbles up through the wastewater to the wastewater surface around the surface float. This nourishes aerobic bacteria, which then consume materials within the wastewater.

Abstract: A waste treatment method and apparatus including a denitrification chamber for denitrifying waste, an aeration basin for aerating the waste, and a clarifying device in which sludge particles separate out of the waste, leaving discharge and reusable sludge. Sludge from the clarifying device is sent back to the denitrification chamber or aeration basin or both. Sludge on the aeration basin floor is sent back to the denitrification chamber. Preferably, the method and apparatus facilitate both activated sludge and fixed film processes. Most preferably, the clarifying device comprises a constant flow backwash filter.

Abstract: Novel methods and apparatuses are disclosed for the treatment of wastewater to reduce often associated offensive odors by promoting aerobic conditions through decreasing the amount of oxygen required to maintain aerobic cultures and/or aerobic biological activity in the wastewater.

Abstract: A fluid distribution system for directing fluids through a filter system. The fluid distribution system ensures proper distribution of fluids during the process of filtering as well as the process of washing a filter bed. The fluid distribution system may be used with numerous filter systems including but not limited to an upflow filter, a downflow filter, a combined upflow/downflow filter and/or multiple downflow filters connected in series.

Abstract: Provided is a wastewater treatment system comprising a cavitation reactor including an inlet into which wastewater is introduced, a main body in which a cavitation reaction occurs to treat the water, and an outlet from which the treated water is discharged. The main body comprises a nozzle for ejecting the introduced water and a target with which the jetted water collide.

Abstract: A low cost system for providing drinking water includes a feed water container with a simple ceramic filter covering an outlet of the feed water container. The preferred filter is generally cylindrically shaped with a bore extending partially therethrough, in a configuration commonly referred to as a “ceramic candle” filter in developing countries. Under force of gravity, feed water filters through the ceramic to a storage container below. The filtered water is irradiated with ultraviolet (UV) energy either as it flows or after collection in the storage container. In one embodiment, filtered water is temporarily collected in an intermediate holding tank, where it can be irradiated constantly on in batches and periodically released to the lower container. Filtration through ceramic provides clear water with a low UV extinction coefficient for more efficient UV disinfection.

Abstract: An improved sewer apparatus comprising a maintenance hole and an influent line for carrying sewage to the maintenance hole, a vortex form disposed substantially within the maintenance hole which accepts the sewage from the influent line, the vortex form having a spiral channel of decreasing diameter, and a conduit also disposed within the maintenance hole and fluidly connected to the vortex form and extending substantially downwardly from the vortex form to a flow exit near the maintenance hole base. The improved sewer apparatus reduces the release of odorous and corrosive gas emissions from sewage into the sewer and surrounding environment and improves aeration of the sewage.

Abstract: The present invention provide methods for utilizing spent leukodepletion filter devices as a source of material for the isolation and analysis of genomic DNA (gDNA), including polymorphism, genotyping, and pharmacogenomic studies. Cellular retentate with the filter contains leukocytes, which are lysed to release the nuclei. The nuclei are lysed or ruptured to release genomic DNA, which is then isolated and used for subsequent analysis.

Abstract: A wastewater treatment system for use with a conventional septic tank, or other small-scale wastewater treatment facility, for enhancing wastewater treatment without requiring complex control or maintenance limitations. The system incorporates a plurality of primary functions that combine to oxidize, nitrify, denitrify and remove water borne total dissolved solids prior to effluent discharge. Included is a fluidized-bed reactor containing biofilm attached to carrier particulates for use in the purification of wastewater. The fluidized-bed reactor is configured to include two distinct regions, namely a “lower” aerobic region and an “upper” anoxic region, during normal operating conditions. The lower aerobic region uses aerobic facultative bacteria to oxidize Carbonaceous Biochemical Oxygen Demand (CBOD), organic (Kjeldahl) nitrogen, and ammonia while consuming the dissolved oxygen in the water.

Abstract: The present invention provides a system and method for selectively removing organic and inorganic contaminants from plating baths. More particularly, the invented method relates to the use of a source of energy in combination with chemical oxidants, alone or in conjunction with a catalyst to oxidize organic contaminants in the plating bath to a level such that the electroplating bath can be recovered and reused after appropriate chemical adjustment. The oxidative treatment method may be a continuous process or a batch process that is performed in a single pass and the endpoint of the oxidative process detected by a sensor. Residual organics, and chloride ions in the bath are removed from the solution by a chemisorption or physisorption treatment. Inorganic contaminants are removed from the electroplating bath by selective ion exchange resins or electrodialysis, while particulate and suspended colloidal particles are removed by filtration before the treated plating bath is recycled.

Abstract: Apparatus and a process are provided for treating used drilling mud, particularly that produced during clearwater drilling. A structural and highway transportable skid comprises two or more settling tanks connected in succession. Flocculation aids settling of solids to the bottom and clarified liquid forms at the surface. Clarified liquid flows from one tank to the next successive tank. Clarified liquid is produced from the last of the successive settling tanks. The tanks have flat bottoms. Passageways extend between each successive tank for gravity-flowing liquid from one tank to successive settling tank. A solids tank or centrifuge is also mounted within the skid. The solids and settling tanks are located for weight-balancing. A rotational suction is positioned in the bottom of each settling tank and having one or more radially extending conduits which rotate about an axis and have inlets at their distal ends which traverse an inscribed circular path about the periphery of the tank's bottom.

Abstract: A fluid filter increases the useful life of the filtered fluid by removing contaminants therefrom, and may optionally provide for in-line delivery of additives to the filtered fluid. The filter may be an oil filter, a fuel filter, or other fluid filter. The fluid filter includes a casing which defines a hollow space therein, a mechanically active filter element within that space, and a chemically active filter element also retained within the hollow space proximate the mechanically active filter element. The chemically active filter element includes a nonwoven web made up of a plurality of fibers. Each fiber has a longitudinally extending internal cavity formed therein, and a corresponding longitudinally extending slot opening from that internal cavity to the outer surface of the fiber.

Abstract: A filtration apparatus includes a laundry waste sump, a primary 50 micron static screen filter, a 9,000 gallon equalization tank, at least one secondary media/carbon filter, a sludge holding tank with a pump to return excess water to the equalization tank, a backwash pump, an air blower, and a clear well tank water source for backwash. An exemplary embodiment of the invention also includes a surge tank between the primary and secondary filters and a surge tank between the secondary filter and the clear well tank.

Abstract: A device for sterilizing and filtering water which flows through a sanitary device consists of a treatment cavity (19) located inside of housing (2,3,4) through which water can flow. The treatment cavity is subdivided into a multitude of partial cavities (51a, 51b) by a suitably formed filter device (50). The flowing water and filter device (50) are irradiated by an ultraviolet lamp (12) and the filter device is made of a single sintered body which transmits UV radiation thereby allowing the water to be filtered to remove microorganisms and then to be killed.

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.

Abstract: A dispense device includes a dispense head and threaded canister. A chemical container assembly disposed within the canister includes a support column which telescopically receives a chemical container. The chemical container includes inlet and outlet holes to allow a flow through the container to come into contact and subsequently dissolve chemical treatment material disposed within the container. The support column engages the dispense head to aid in defining the separation distance between the dispense head and the outlet hole of the chemical container.

Abstract: A dispense device includes a dispense head and threaded canister. A chemical container assembly disposed within the canister includes a support tube which telescopically receives a chemical container. The chemical container includes inlet and outlet holes to allow a flow through the container to come into contact and subsequently dissolve chemical treatment material disposed within the container. The support tube engages the dispense head to aid in defining the separation distance between the dispense head and the outlet hole of the chemical container. A chemical sleeve disposed about the support column treats fluid passing through said chemical container.

Abstract: A water purification system including a rectilinear housing having a plurality of vertical baffles spaced therein. The ends of each of the baffles are located a certain distance below the housing upper edge or above the housing floor to allow for the flow of washwater therethrough from a housing inlet to a housing outlet. A rectilinear array of media, e.g. corrugated plastic, is located between the baffles for harboring bacteria, and an air supply means is provided therebeneath. A feeder mechanism is also provided on an exterior wall of the housing for feeding supplemental bacteria into the housing to make up for bacteria depleted through the operation and use of the system.

Abstract: A device is provided for capturing ionic metal species (e.g., Cd, Cu, Ni, Pb and Zn) dissolved in water. The device includes a nonporous polymeric tube for capturing the dissolved ionic metal species. The tube is formed from a membrane having transient cavities therein having an average pore size greater than 10 Å. A sequestration medium, contained within the tube, transforms the ionic metal species captured by the tube into a complexed, non-mobile metal species. The sequestration medium is capable of diffusing through the nonporous polymeric membrane at a controlled rate to form the complexed, non-mobile species and can comprise a mixture and metal complexing agent (e.g., a quinoline) and a long chain organic acid (e.g., oleic acid).

Abstract: Phosphate-contaminated water passes through a domestic sewage treatment system, in which oxidation of the ammonium progresses far enough to cause a lowering of the pH to 5 or less. The water is passed over sand grains coated with aluminum hydroxide (gibbsite). Enough Al3+ ions enter solution, at the low pH, to cause all the phosphate-P to precipitate as aluminum phosphate, and nothing else precipitates other than the aluminum phosphate.

Abstract: A method and arrangement for sewage pre-treatment in a sewer pipeline infrastructure upstream of a sewage treatment facility of a sewage treatment system includes selecting a site in the sewer pipeline infrastructure between a source of untreated sewage and the sewage treatment facility of the system, providing a source of a biological activity enhancing agent at the preselected site, and introducing the agent from the source thereof into a flow of untreated sewage at the selected site so as to convert the sewage from an untreated state to a pre-treated state in the pipeline infrastructure upstream of the sewage treatment facility.

Abstract: A water filter is packaged in a way that permits longer dwell time and greater volume in a dwell passage of the water filter. In one embodiment the water filter includes an influent passage where a biocide is imparted to the water, a dwell passage where the water remains in contact with the biocide for at least a predetermined duration, and an effluent passage where the biocide is removed from the water. The water filter includes a replaceable cartridge mounted in a pressure vessel. By arranging the dwell passage to include a pan shaped portion in the bottom of the vessel and an axial portion along the extremity of the cartridge, greater volume, greater mixing, and more effective disinfecting result. Another embodiment includes a series of baffles on the exterior surface of the cartridge that create further turbulence for mixing the biocide with the water.

Abstract: An apparatus for treatment of water comprising a first compartment containing a filtration unit for receiving untreated water, a second compartment containing polyphosphates, a housing containing the first compartment and the second compartment, and a polyphosphate dosing unit comprising a partition between said first compartment and said second compartment, an inlet tube, affixed to the partition, allowing a small portion of water filtered in the first compartment to flow into the second compartment containing polyphosphates, an outlet tube, affixed to the partition, from which the flow of polyphosphate-containing water is drawn out of the second compartment by the Venturi effect, wherein the filtration unit in the first compartment produces filtered water, the major portion of which, other than said small portion of water flowing into said second compartment, being discharged without contacting polyphosphates, such that the amount of polyphosphate distributed in the water is substantially proportional to th

Abstract: The invention provides a liquid purification apparatus (10) adapted to employ the combination of the purifying effects of the heavy metals copper and silver in conjunction with hydrogen peroxide and the catalytic reaction thereof. A body means (11, 12) defines a flow passage (13) having a liquid inlet (14) at one end and a liquid outer (16) at the other end. Flow passage (13) has a first electrolytic unit (60) containing at least one copper based anode (22) and a second electrolytic unit (62) containing at least one silver based anode (25) spaced downstream of first electrolytic unit (60). An electrical circuit means (32) supplies operating current thereto and flow passage (13) includes an inlet (34) for the controlled introduction of H2O2 from reservoir means (51) into flow passage (13) between first (60) and second (62) electrolytic units.

Abstract: A photocatalytic oxidation purification system includes an ultra violet light source and a filter that comprises a pleated wire mesh substrate with a nanophase metal oxide oxidation catalyst suspended on the substrate, wherein the catalyst is applied without an adhesive using an electromechanical plating process. As a fluid containing organic contaminants is directed through the filter in the presence of ultra violet light from the light source, the catalyst oxidizes and decomposes the organic contaminants into environmentally harmless components. Methods of making the purification system including preparing a solution of catalyst and applying the catalyst without adhesive binding material to the filter substrate electromagnetically.

Abstract: The present invention relates to a flow deflector device for liquid treatment, more particularly, a tubular flow deflector device that includes a tubular shell and a through hole of certain diameter penetrating along the central axis line thereof. At least one spiral groove is provided along the inner wall of the tubular shell around the through hole. Thus the liquid flowing through the device can be sufficiently mixed for better effect of liquid treatment such as ultraviolet sanitation, water treatment, or temperature adjustment.

Abstract: This invention relates to a method for the treatment of a desulfurization absorbing fluid after gas-liquid contact with combustion exhaust gas in which fine particles of unburned carbon and other materials are efficiently removed from the desulfurization absorbing fluid to improve the quality of a by-product (e.g., gypsum) obtained therefrom. The method of this invention comprises the steps of feeding a gas into a desulfurization absorbing fluid (A) containing fine particles of unburned carbon and other materials and thereby producing gas bubbles so as to cause the fine particles to adhere to the surfaces of the gas bubbles and create a foam phase (D) consisting of the gas bubbles; and breaking the foam phase (D) to obtain a liquid (E) containing the fine particles.

Abstract: A photocatalytic oxidation purification system includes an ultra violet light source and a filter that comprises a pleated wire mesh substrate with a nanophase metal oxide oxidation catalyst suspended on the substrate, wherein the catalyst is applied without an adhesive using an electromechanical plating process. As a fluid containing organic contaminants is directed through the filter in the presence of ultra violet light from the light source, the catalyst oxidizes and decomposes the organic contaminants into environmentally harmless components. Methods of making the purification system including preparing a solution of catalyst and applying the catalyst without adhesive binding material to the filter substrate electromagnetically.

Abstract: This invention relates to a fuel filter for use with internal combustion engines. The fuel filter includes a fuel additive that can be released into fuel. The rate of release for the fuel can be controlled. In one form the fuel additive can be released a substantially constant rate to maintain a uniform level of fuel additive in the fuel. Use of the present invention provides a fuel filter having an extended life span that is longer than fuel filters typically used with combustion engines.

Abstract: Odors can arise from an enclosed waste processing system designed to convert solid waste into an aqueous pulp and extract a solid phase and an aqueous phase from the waste. The odors are the result of anaerobic portions of the system in which anaerobic microorganisms convert waste including fatty soils into volatile odor components including low molecular weight carboxylic acids. The action of these microorganisms can be controlled by maintaining the pH, of the aqueous phase common to all portions of the system, at above a pre-selected alkaline pH. Such a pH can be maintained by dosing the aqueous phase in the system with an appropriate amount of one or more alkalinity sources on a timely basis.

Abstract: A liquid filter apparatus includes a housing cup, end plate enclosing an end of the housing cup, a filter cartridge positioned within housing cup, and a gasket positioned between the filter cartridge and the end plate. The end plate has a gasket centering projection thereon. The gasket includes a centering depression positioned in engagement with the gasket centering projection of the end plate. The gasket may include a gasket for a lube filter, a gasket for a fuel filter, or a gasket for a coolant filter. A method for assembling a filter assembly includes steps of selecting a gasket from amongst a plurality of different shaped gaskets, and selecting a filter element from amongst a plurality of different filter elements. The gasket selected and the filter elements selected will depend upon the final intended application.

Abstract: The invention relates to a method for checking and regulating the pressure loss in a biological filter of the type comprising an immersed filter bed (2) consisting of at least one layer of granular filtration material, the said granular material layer acting as a support for a biomass used to degrade carbon-based and/or nitrogen-based pollution in water to be filtered, characterized in that it comprises a step consisting of continuously or discontinuously injecting at least one coagulating agent (1) into the said water before its entry into the said filter.

Abstract: Butane-utilizing bacteria are used to degrade hydrocarbon pollutants such as trichloroethene (TCE). In-situ or ex-situ techniques may be used to reduce or eliminate hydrocarbon pollutants from liquid, gas and solid sources. In a preferred embodiment, TCE concentrations in various aqueous environments are reduced by contacting a contaminated water source with butane-utilizing bacteria in the presence of oxygen to degrade the TCE by cometabolism or direct metabolism. Suitable butane-utilizing bacteria include Pseudomonas, Variovorax, Nocardia, Chryseobacterium, Comamonas, Acidovorax, Rhodococcus, Aureobacterium, Micrococcus, Aeromonas, Stenotrophomonas, Sphingobacterium, Shewanella, Phyllobacterium, Clavibacter, Alcaligenes, Gordona, Corynebacterium and Cytophaga. The butane-utilizing bacteria have relatively low TCE toxicity in comparison with conventional methane-utilizing bacteria, and demonstrate an improved ability to degrade TCE.

Abstract: An oil filter (10) includes a colloidal suspension (12) of PTFE particles less than 2 microns in size retained by capillary forces within the intricacies of the filter media (26) until the filter (10) is installed and engine oil flows at first engine start up following installation. The PTFE colloidal suspension (12) is completely and immediately released into the engine lubricating system when oil flow is initiated. The PTFE colloidal suspension (12) is introduced into the oil filter (10) as one of the last manufacturing steps. Oil filter (10) is disposed vertically with its outlet port (14) at the top. A quantity of the PTFE colloidal suspension is introduced into the outlet port (14) to initially fill a portion of the volume defined by a centertube (18) and a retainer (16). The PTFE colloidal suspension passes through openings (20,24) into contact with filter media (26).

Abstract: A water treatment system that a pair of series connected reactor vessels, each of which provides for flow of water to be treated through an annular treatment region that surrounds a longitudinally-extending source of ultraviolet radiation, has porous wall surrounding the annular treatment region, and an annular air/oxygen chamber between the porous wall and the exterior of the vessel. In one reactor, the ultraviolet source produces radiation having a wavelength in the range of about 185 nanometers, oxygen permeates through the porous wall as a fine bubble mist, the tangential aqueous stream shears the mist from the wall, the oxygen bubbles encounter UV light, and the oxygen is converted to ozone which in turn reacts with water in the water to produce hydrogen peroxide.

Abstract: in a process of separating a liquid sample having phase portions of different densities by centrifugal separation, a phase separator container is employed. The phase separator container comprises a housing having concentric inner and outer cylindrical walls defining a longitudinal axis and a top wall and further a piston body constituting a bottom wall of the housing. The piston body defines together with the outer cylindrical wall, the inner cylindrical wall and the top wall, an annular chamber for receiving the liquid sample. The piston body is displaceable within the annular chamber for draining a phase portion separated from the liquid sample through a drain conduit means communicating with the annular chamber. The phase separation chamber further comprises a reaction chamber to which the phase portions exposed from the annular chamber is processed.

Abstract: A water purifier includes a housing that contains a purification material for purifying the water. The water purifier is placed a flow of circulating water in the spa. The purification material preferably can be a silver-containing material.

Abstract: A combination filter assembly and flexible, portable bottle having a bottom opening with a sealing cap attached thereto, to filter out substantially all INORGANICS, ORGANICS, RADIOLOGICAL CHEMICALS and MICROBIOLOGY held in water in the bottle. The filter assembly may be attached to an adapter sealed to the top of the flexible bottle. Water in the bottle passes through the filter assembly and out a top nozzle or valve when the flexible bottle is squeezed. The flexible bottle is filled with water through the bottom opening.

Abstract: A coolant filter for use in filtering a coolant solution which flows through the coolant filter includes a filter housing assembly which is made up of an outer housing which is crimped to a nutplate which defines an internally threaded flow outlet. A generally cylindrical filter element is positioned inside of the filter housing assembly and a first endplate is bonded to the end of the filter element which is adjacent to the nutplate. An endplate member is provided for attachment to the opposite end of the filter element and is configured in such a way so as to define an interior chamber where supplemental coolant additive pellets are stored. A closing plate is applied across the open end of the interior chamber so as to create an enclosed chamber for the supplemental coolant additive pellets. A slow release mechanism is provided for controlling the rate of release of the supplemental coolant additive from the enclosed chamber into the coolant solution.