Abstract: A filtration device for filtering cooking oil is provided. The filtration device may include a hub and one or more filtration units having a central aperture to coupleably receive the hub. Each of the one or more filtration units may include a first upper filter sheet including a water insoluble or partially water insoluble material or combination of materials that convert or at least partially convert free fatty acid in the cooking oil to soap and a second upper filter sheet arranged adjacent to the first upper filter sheet and coupled thereto. The second upper filter sheet can include a material or combination of materials that remove or at least partially remove the soap from the cooking oil to produce filtered cooking oil. The one or more filtration units can be in fluid communication with the hub through which filtered cooking oil may be removed from the filtration device.

Abstract: A regenerative filter that includes a filter housing having inlet and outlet zones; a fluid path provided between the inlet and outlet zones; a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path; and a tube sheet that is supported across the filter housing, that is disposed just before the outlet zone and that provides the support for the plurality of filter elements. The plurality of filter elements are disposed in an array and includes bridging members or elements that connect between adjacent filter elements, and that forms with the filter elements, a closed interstitial space between adjacent filter elements for liquid flow; a nanoscale barrier on interior surfaces, including that of the regenerative media itself, providing a mechanism to disrupt the cell wall of microscopic viruses and organisms.

Abstract: A method for extracting a liquid additive from an interior space of a tank at an extraction point includes: filtering the liquid additive by at least one filter that covers the extraction point and that is configured to separate the extraction point from the interior space of the tank and through which the liquid additive flows, wherein contaminants of the liquid additive are deposited on a surface of the filter, and extracting the liquid additive from the tank at the extraction point; forming at least one porous filter cake from contaminants of the liquid additive on the surface of the filter; and filtering the liquid additive by the at least one porous filter cake, wherein contaminants of the liquid additive are deposited in the filter cake, and extracting the liquid additive from the tank at the extraction point.

Abstract: A media bed in a biological reactor is backwashed in a plurality of short pulses. An outlet of the reactor is preferably located above, but close to, the top of the bed. During a pulse, the outlet is closed and the bed may be fluidized or otherwise expanded to above the level of the outlet. Between pulses, the bed settles to below the level of the outlet.

Abstract: A filter device includes a housing with an end part and a side wall and containing an axially arranged array of filter elements, such as ceramic elements. An inlet in the end part supplies fluid to the filter elements and an outlet in the side wall is provided for transporting filtered fluid from the housing, the side wall of the filter device being provided with a cleaning duct for supplying cleaning fluid to the filter elements via the side wall. The cleaning duct 6 includes a distal channel portion 15 having a relatively small diameter D1 and a proximal portion 16 adjacent the side wall having a relatively large diameter D2. A number of partitions 36, 37 extend in the proximal portion from a position at or near the sidewall towards the distal channel portion 15 at an angle (?) to a center line 20 of the cleaning duct 6.

Abstract: Flocculant compositions containing a cellulosic compound, a superabsorbant polymer, and a flocculant, are useful for preventing the formation of an aqueous phase during the shipping of fly ash slurries.

Abstract: A water conditioning system for use in a building that produces wastewater that contains phosphates. The wastewater exits the building through a pipe that directs the wastewater directly to a septic tank. A phosphate precipitation solution is provided in a reservoir. A flow meter is installed that measures fresh water flowing into the building. Furthermore, an injection port is installed into the pipe before the septic tank. The phosphate precipitation solution is pumped into the pipe through the injection port at a rate that is controlled by the flow being measured by the flow meter. The phosphate precipitation solution mixes with the wastewater to create treated effluent. The treated effluent flows into the septic tank where the phosphates form salts and collect as solids.

Abstract: A device for continuously filtering material mixtures, particularly for separating contaminants out of plastic melts, includes a filter (3), which is rotatably arranged in a filter chamber (2) of a housing (1), at least one wiper (17) for lifting off contaminants retained by the filter (3), and a discharge device (18) for removing the contaminants lifted off the filter (2) by the wiper (17) from the housing (1). The discharge device (18) includes a discharge shaft (19), which is rotatably arranged at the housing (1) and which has at least one continuous opening (20) having at least one piston (22) which is movably guided therein.

Abstract: The invention relates to a method for treating water laden with pollutants for the purpose of making the water drinkable, said method including: an elimination step consisting of contacting said water laden with pollutants, within a stirred contact tank (2), with an active particulate material (19) using a predetermined concentration of the active particulate material (19) in said water; an extraction step consisting of continuously extracting from said contact tank (2) a mixture consisting of water and of active particulate material (19); a separation step consisting of continuously separating said active particulate material (19) from said mixture. According to the invention, the separation step consists in particular of feeding the mixture of water and active particulate material into a filter drum (4).

Abstract: The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.

Abstract: A high temperature filter and a self-cleaning filtering system for filtering media, such as biomass materials, are provided. The filter and filtering system is particularly useful in the filtration of syngas in a plasma arc gasification process to remove char and other particles of down to a submicron size from the syngas. The filter is formed from a pleated metal mesh material including end caps secured by a high-temperature metallic paste or adhesive, such that the filter is capable of withstanding operating temperatures up to 2000° F. The system includes a backflush unit for injecting cleaning media therein to remove trapped char and other debris from the filter. At least two filtering systems can be placed in parallel so that one system can be cleaned while the other is operating. A method for filtering media is also disclosed.

Abstract: A structural plate is provided for an electrolyzer module. The structural plate defines at least one degassing chamber and a half cell chamber opening. The structural plate is reinforced with at least one internal reinforcing means mounted to the structural plate for mitigating outward displacement of the structural plate in response to fluid pressure within the structural plate. The structural plate defines holding features for locating and holding the internal reinforcing means.

Abstract: Methods of growing and harvesting multiple species of phytoplankton are disclosed herein. The method generally includes four steps, namely: (1) collecting phytoplankton seawater containing multiple species of naturally-occurring phytoplankton directly from a source of seawater; (2) adding nutrients to the phytoplankton seawater to proliferate the multiple species of naturally-occurring phytoplankton to a predetermined density; (3) separating the multiple species of naturally-occurring phytoplankton from the phytoplankton seawater to form a phytoplankton concentrate; and (4) collecting the phytoplankton concentrate such that the collected phytoplankton of the phytoplankton concentrate remain in a substantially intact cellular state.

Abstract: The invention provides an apparatus and method for removing diatomaceous earth and contaminants from a filter and for filtering liquid using diatomaceous earth. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments of the apparatus can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments of the apparatus can include a backwash sprayer to disturb contaminants during the backwash process. Some embodiments of the apparatus can include a removable lid to access the filter cartridges during the washdown process.

Abstract: According to one embodiment, a copper recovery apparatus includes a precipitation tank, a mixing tank, a filter-aid feeder, a solid-liquid separator includes a filter, a cleaning-water supply line, a cleaning-water discharge line, a separation tank, and a filter-aid return line. The precipitation tank is configured to receive copper ions-containing water to be treated and an alkali to prepare treated water containing a precipitate of copper compound. The solid-liquid separator is configured to allow the treated water to be passed through the filter on which the precoat layer is deposited to separate the precipitate retained on the precoat layer from a filtrate.

Abstract: According to one embodiment, a copper recovery apparatus includes a precipitation tank configured to precipitate copper hydroxide grains in water, a filter aid supplier, a mixing tank configured to mix the filter aid with a water to produce a suspension, a separator provided with a filter, a line configured to supply the suspension to the separator, thereby forming a precoat layer formed of the filter aid on the filter, a separation tank configured to receive the detached matter of the precoat layer discharged together with the detaching water from the separator to magnetically separate copper hydroxide grains and filter aid, a line configure to discharge and recover the detaching water from the separation tank, and a line configured to return the separated filter aid to the filter aid supplier from the separation tank.

Abstract: According to one embodiment, a copper recovery apparatus includes a precipitation tank configured to precipitate copper hydroxide grains in water, a filter aid supplier, a mixing tank configured to mix the filter aid with a water to produce a suspension, a separator provided with a filter, a line configured to supply the suspension to the separator, thereby forming a precoat layer formed of the filter aid on the filter, a separation tank configured to receive the detached matter of the precoat layer discharged together with the detaching water from the separator to magnetically separate copper hydroxide grains and filter aid, a line configure to discharge and recover the detaching water from the separation tank, and a line configured to return the separated filter aid to the filter aid supplier from the separation tank.

Abstract: Method for preparing a precoat (3) on the surface of the filter medium (2) of a polishing filter (1), polishing filter (1) and use of a polishing filter. The essential feature in the invention is that in the polishing filter (1), the precoat (3) is formed either exclusively or jointly from the underflow created in the separation process.

Abstract: The present invention includes an apparatus and method for removing oil from a oil-containing liquid comprising oil and gas comprising: a source of oil-containing liquid; and a membrane contactor system in fluid communication with the source of oil-containing liquid, the membrane contactor system comprising one or more membrane contactors having a first and a second surface, wherein the first surface coalesces oil and removes gas from the oil-containing liquid, and the oil and gas are collected on the second surface from the oil-containing liquid.

Abstract: Disclosed herein are diatomaceous earth products containing reduced soluble metal levels, processes for reducing soluble metal levels in diatomaceous earth products, and methods of using the same. In particular, diatomaceous earth products are disclosed that have been treated with at least one surface metal blocking agent, and then subjected to at least one thermal treatment process to reduce the level of soluble metals associated therewith. Such diatomaceous earth products containing reduced soluble metal levels may be useful for various applications including, but not limited to, as filter aid materials.

Abstract: A nanoflotation system used to separate suspended solids or large settling or floating solids from water, waste water or liquids. This is accomplished through the use of submerged membranes, in combination with a number of design components comprising froth flotation, gravity settling, pre coating of the submerged membranes, spacing, of the membranes to facilitate flotation of solids to the surface or to the bottom of the containment chamber holding the submerged membranes, and membrane structures which use large diameter hollow fibre or tubular membranes and/or large pore opening membrane materials.

Abstract: Methods for regenerating filter aids which comprise inorganic, natural or semisynthetic filter aids. The method comprises subjecting the filter aid to a first treatment with an aqueous alkaline solution, treating the filter aid with enzymes, treating the filter aid with a surfactant, and subjecting the filter aid a second treatment with the aqueous alkaline solution. The enzyme treatment and the surfactant treatment steps may be carried out simultaneously or in any order.

Abstract: Apparatus containing a formulation of processed minerals produces a vibrational frequency to balance the chemistry of water when untreated water is treated to thereby enhance the biophysical properties of water, without adding any compound to the water. The result is that the physical properties of specific gravity, conductivity, and resistivity of water are modified, and the biophysical properties of the treated water in organisms such as humans, including but not limited to hydration, oxygenation, and detoxification, are enhanced as verified by human clinical tests.

Abstract: According to one embodiment, a copper recovery apparatus includes a precipitation tank configured to precipitate copper hydroxide grains in water, a filter aid supplyer, a mixing tank configured to mix the filter aid with a water to produce a suspension, a separator provided with a filter, a line configured to supply the suspension to the separator, thereby forming a precoat layer formed of the filter aid on the filter, a separation tank configured to receive the detached matter of the precoat layer discharged together with the detaching water from the separator to magnetically separate copper hydroxide grains and filter aid, a line configure to discharge and recover the detaching water from the separation tank, and a line configured to return the separated filter aid to the filter aid supplyer from the separation tank.

Abstract: A precoat filter for filtering liquid media or products, in particular for filtering beverages, with at least one partition separating an unfiltered material space and a filtered material space, and with a plurality of filtering elements or candle filters which are arranged on the partition and each project into the unfiltered material space by means of at least one filtering or sieving section having a filtering or sieving structure.

Abstract: A filtration apparatus and a filtration method are provided. The filtration apparatus includes a filter medium, a first filter layer of a first filter aid disposed on an upstream side of the filter medium, and a second filter layer of a second filter aid disposed on an upstream side of the first filter layer. The first filter aid has a particle size distribution primarily including coarse particles, a representative particle diameter of which is smaller than a representative dimension of openings in the filter medium. The first aid forms bridges over the openings. The second filter aid has a particle size distribution primarily including fine particles, which are smaller than the first filter aid and which themselves cannot form bridges over the openings. The openings of the filter medium and the particles of the second filter layer are adjusted in size by bridging phenomenon of the first filter aid.

Abstract: The present invention relates to a method and apparatus for purifying crude tall oil. The purification method comprises a first purification step (2) for separating at least solids (8) from the crude tall oil and producing solids free crude tall oil, and after the first purification step (2) a second purification step (4) for separating water (14) from the solids free crude tall oil. The purification apparatus comprises at least one solids separator (3, 5?) for separating at least solids (8) from the crude tall oil and producing solids free crude tall oil, and at least one water separator (5, 9) arranged downstream of the solids separator (3, 5?) in the flow direction of the crude tall oil for separating at least water (14) from the solids free crude tall oil.

Abstract: Processes comprising: (i) providing a filter aid comprising a co-extrudate of a water-insoluble polyvinylpyrrolidone and a thermoplastic polymer, (ii) treating the filter aid with aqueous alkali; (iii) subsequently treating the filter aid with an enzyme; and (iv) subsequently thereto carrying out a second treatment with aqueous alkali, to provide a regenerated filter aid, and uses therefor.

Abstract: The present invention relates to a method for treating fluids, characterised in the steps of radiating the fluid with UV light, producing and dispersing gas bubbles in the fluid in the rays of the UV light, in order to increase the scattering of the UV light in the liquid. The invention also relates to a device for performing the method.

Abstract: The present invention has an object to provide a filtration apparatus and a filtration method which can treat a large quantity of flow in a short time and can sterilize raw water to a high level using only a physical treatment.

Abstract: Process for production of polymer blends which are suitable as filter aids and are composed of polystyrene and of crosslinked water-insoluble polyvinylpyrrolidones via processing of the two components in an extruder, which comprises melting polystyrene in an extruder and then treating it with the polyvinylpyrrolidone, and adding, to the mixture of the components, from 0.1 to 10% by weight of water, based on the total amount of polystyrene and popcorn polymer, and extruding and comminuting the mixture.

Abstract: The present invention provides a novel filter for filtration and recovery of suspended particles in water, which can filtrate the suspended particles in water simply and fast as well as recover the particles efficiently, and a method for filtration and recovery. The method involves the process of physically filtrating suspended particles in water using a filter comprised of soluble powder layered on a support and then dissolving the soluble powder of the filter in acid to recover the suspended particles filtrated.

Abstract: A method and system for removing contaminants from a fluid are provided. The method can generally include providing microstructures in the fluid. At least some of the contaminants in the fluid are attracted to the microstructures and adhered to the microstructures. With the contaminants attached to the microstructures, the microstructures can be separated from the fluid so that the contaminants are thereby removed from the fluid.

Abstract: Filter-aid materials are disclosed herein, and processes, systems, and methods using such filter-aid materials for filtering and removing particles and/or constituents from a fluid, wherein the filter-aid material comprises at least one filterable composite adsorbent comprising at least one adsorbent component formed in-situ on at least one filtration component. Further disclosed herein are filter-aid materials and processes, systems, and methods using such filter-aid materials for filtering and removing particles and/or constituents from a fluid, wherein the filter-aid material comprises at least one filterable composite adsorbent comprising at least one adsorbent component formed in-situ on at least one filtration component, and wherein the filter-aid material further comprises an at least one additional filtration component mixed with the at least one filterable composite adsorbent.

Abstract: A filtration device is provided that includes a filter component and an additive component. The filter component includes concentrically arranged filtering elements disposed in a filter-in-filter configuration. The additive component includes at least one additive material that is introduced into a working fluid to be filtered. The filter component and additive component provide an assembly for a filtration system that would filter a variety of working fluids. The filter component and additive component provides an assembly that can filter fluids more efficiently. As a result, fluids may enjoy, for example, extended drainage intervals and thereby reduce component wear.

Abstract: A method of removing suspended solids from a gasification process water stream includes, in an exemplary embodiment, providing a gasification process water stream containing process derived suspended solids, settling at least a portion of the suspended solids from the process water stream in a settling apparatus, providing a filter apparatus having a plurality of filter elements, and removing a portion of the settled solids from the settling apparatus. The method also includes precoating the filter elements with the settled solids removed from the settling apparatus, directing a portion of the process water stream from the settling apparatus to the filter apparatus, and filtering the portion of the process water stream directed from the settling apparatus through the precoated filter elements to remove suspended solids particles to form a filtrate.

Abstract: A fluid purification device comprises a tubular porous plastics filter member coated with a chemically treated resin whose side walls define an inner channel leading at one end to an outlet. The arrangement of the device is such that, in use, fluid is purified by passing through the resin coated side walls of the filter member into the inner channel.

Abstract: The solution film-forming method is provided in which the absolute filtration accuracy for a cellulose acylat solution can be improved and filtration throughput can be increased without reducing the pore size of a filtering material. A dope stock solution to be filtrated is first introduced into a body feed tank and a filter aid from a filter aid tank is added and dispersed. As the filter aid, an aid including SiO2 in 50% or more and a cellulose-based aid are mixed for use. The dope stock solution in which the filter aid is dispersed is introduced into a filter machine and subjected to filtration while forming a cake on the surface of the filtering material. After the filtration, a cleaning solvent is supplied in circulation from a cleaning solvent tank, and the cake is discharged as slurry. The filter aid is separated from the slurry by a separating device and burned in a burning device. Then, a regenerated filter aid is sent to the filter aid tank.

Abstract: Methods and devices are provided for preparing and separating biological analytes. In one embodiment, one or more filtration devices or filter plate wells can be formed by clamping a filter sheet between first and second plates having at least one connecting cavity. First and second moveable core pins positioned on opposed sides of the sheet can be moved to remove portions of the sheet. A molten plastic can be injected to fill the volume between the cores and cavities and to form a liquid-impermeable sleeve wall or walls, each being separately sealed at the bottom to the perimeter of the sheet portion, each having liquid permeable regions of said removed and sealed sheet portion, and each remaining open at the top. Various exemplary configurations for filtration devices or filter plate wells are also disclosed.

Abstract: A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characteristics can be maintained by providing a bubble supplying mechanism for removing a sedimentary layer comprising removables that is formed on a surface of a filtration film and a filtration characteristics restoring mechanism for restoring the filter film clogged by the removables by causing a back-flow of filtered water accumulated in a cistern. Filtration apparatus maintenance and management are facilitated by improving recovery efficiency of the precipitated removables by tapering a lower part inside a raw water tank and providing a recovery tank for recovering removables via a valve.

Abstract: The invention provides an apparatus and method for removing diatomaceous earth and contaminants from a filter and for filtering liquid using diatomaceous earth. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments of the apparatus can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments of the apparatus can include a backwash sprayer to disturb contaminants during the backwash process. Some embodiments of the apparatus can include a removable lid to access the filter cartridges during the washdown process.

Abstract: A drainless reverse osmosis (RO) water purification system provides relatively pure water for on-demand dispensing, while recycling brine to a domestic hot water system. The drainless purification system includes a pre-filter catalyst cartridge for removing chlorine-based contaminants from a tap water supply upstream from an RO membrane. The catalyst is regularly refreshed by a high through-flow of water to a conventional cold water dispense faucet, thereby significantly prolonging the service life of the RO membrane. The RO membrane is incorporated into a multi-cartridge unit adapted for facilitated slide-out removal and replacement as needed. A control valve recycles brine from the RO membrane to the hot water system during pure water production, and recirculates tap water through the RO membrane when a pure water reservoir is substantially filled. The multi-cartridge unit may further include an air filtration system for providing a flow of filtered air.

Abstract: A type of magnesium alloy that is capable of producing negative potential, characterized in that it contains 8 wt %˜9.1 wt % of aluminum (Al), 0.1 wt %˜1.0 wt % of zinc (Zn), 0.1 wt %˜1.0 wt % of manganese (Mn), 0.05 wt % or less of silicone (Si), 0.002 or less of iron (Fe), 0.0012 wt % or less of copper (Cu), 0.0009 wt % or less of nickel (Ni) and 0.0008 wt % or less of beryllium (Be), the negative potential magnesium alloy binds with calcium ions and magnesium ions to show a pH value of water quality on the alkaline side.

Abstract: Using the filter auxiliary agent separated by backwashing from a filter element repeatedly and effectively, the consumption amount of a filter auxiliary agent and the generation of industrial waste can be suppressed. In a filter auxiliary agent pre-coat circuit, a filter auxiliary agent in a pre-coat tank is attached and stacked on a filter element in a filter case, and a filter auxiliary agent layer is formed. In a filter circuit, the filter auxiliary agent layer of the filter element removes sludge in the filter treatment liquid in a main tank. A backwashing circuit breaks down the filter auxiliary agent layer and a sludge layer, separates the filter auxiliary agent layer and the sludge layer by backwashing from the filter element, and circulates to the pre-coat tank. After repeating these steps a plurality of times, the filter auxiliary agent and sludge separated by backwashing are taken out to the exterior.

Abstract: A system for use in filtering a slurry using air pressure to squeeze the slurry material and dewatering it. The system including a source of slurry, a chamber, a filter belt that passes through the chamber, a manifold inlet supplying the slurry to a first side of the filter belt to form a uniform moist cake of the filter material, an inlet seal and an outlet seal to seal a belt inlet and a belt outlet formed on the chamber, and a source of the pressurized air selectively applicable to the chamber to dry the moist cake of filtered material.

Abstract: A filtration covering apparatus for use covering diatomaceous earth filter grids for swimming pools. The filtration covering apparatus has a replaceable cover having two closed sides, a bottom opening, and a top opening. The replaceable cover is curved shaped to accommodate the filter grid. The filter grid fits within the top opening of the replaceable cover. The top opening includes a horizontal top edge having a zipper mechanism for securing the top opening closed for containing the filter grid therein.

Abstract: The use of an aqueous polymer dispersion comprising dispersed particles of at least one polymer A1 obtainable by free-radical emulsion polymerization in the presence of a polymer A2 synthesized from from 50 to 99.5% by weight of at least one ethylenically unsaturated monocarboxylic and/or dicarboxylic acid, from 0.5 to 50% by weight of at least one ethylenically unsaturated compound selected from the esters of ethylenically unsaturated monocarboxylic acids and the monoesters and diesters of ethylenically unsaturated dicarboxylic acids with an amine containing at least one hydroxyl group, up to 20% by weight of at least one further monomer as a binder for producing filter materials.

Abstract: Methods and apparatus for removing wax products from a slurry used in a Fischer-Tropsch reactor. The preferred embodiments of the present invention are characterized by a solid/liquid separation system that removes liquid products from a slurry by drawing the fluid across a filter medium composed of a filter cake disposed on a substrate. In the preferred embodiments, the filter cake is desirable and performs the majority of the filtration. In certain embodiments, the filter medium is disposed in a filter housing where slurry flows parallel to the longitudinal axis of the filter medium from and inlet to an outlet. The characteristics or properties of the cake, which will effect the performance of the solid/liquid separation system, can be controlled by regulating the velocity of the slurry flowing across the cake, where the velocity may be regulated by adjusting the slurry flow through the filter housing or may be self-regulated by changing slurry velocities influenced by the design of the filter housing.

Abstract: A precoat renewal system for a filter, such as a disc filter. The renewal system includes a plurality of nozzles coupled to spray piping and valving with each nozzle being positioned for spraying an area of one side of a disc. The nozzles and at least a portion of the spray piping is movable such that the nozzles may be displaced relative to the discs. The nozzles and piping are arranged in groups or zones with each zone covering a specified percentage of the discs in the filter and each zone representing about 40% or less of the surface area of the filter media of the discs in the filter. The system may be configured such that high pressure fluid may be supplied to that particular zone for removal of a precoat layer on the disc while other zones may be concurrently washed with a lower pressure fluid.

Abstract: A high temperature filter and a self-cleaning filtering system for filtering media, such as biomass materials, are provided. The filter and filtering system is particularly useful in the filtration of syngas in a plasma arc gasification process to remove char and other particles of down to a submicron size from the syngas. The filter is formed from a pleated metal mesh material including end caps secured by a high-temperature metallic paste or adhesive, such that the filter is capable of withstanding operating temperatures up to 2000° F. The system includes a backflush unit for injecting cleaning media therein to remove trapped char and other debris from the filter. At least two filtering systems can be placed in parallel so that one system can be cleaned while the other is operating. A method for filtering media is also disclosed.