Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.

Abstract: An apparatus removes air or debris from a flow of liquid. The apparatus includes a shell having an inlet, an outlet, and an elongate inner cavity in fluid communication with each of the inlet and the outlet. A plurality of elongate coalescing medium assemblies are disposed within the cavity of the shell such that the coalescing medium assemblies are oriented substantially parallel to each other. Each coalescing medium assembly includes a plurality of wire mesh tubes oriented substantially parallel to each other. A wire mesh retaining wall substantially surrounds the tubes and holds the tubes together.

Abstract: Filter and replaceable filter leaf apparatus are provided. The filter includes a housing defining a cavity having fluid inlet and outlet ports and a lid member with a manifold coupled to the outlet port and being adapted to conduct a fluid flow between the outlet port and a plurality of attachment areas. Replaceable filter leafs are selectively movable through an opening into the housing cavity and attachable with the manifold at the plurality of attachment areas. The replaceable filter leafs include a filter envelope consisting of a filter panel, a nozzle member on the filter panel and defining a passageway adjacent an opening in the filter envelope for conducting fluids therethrough. The nozzle member is selectively attachable onto the manifold of the polishing filter apparatus at any one of the plurality of attachment areas.

Abstract: A filtering apparatus sucks liquid in hollow portions (10) of the elements (1) via suction pipes (3) so that liquid passes the elements (1) and is filtered. Each pipe (3) has suction holes (4) connected to the portions (10). The pipes (3) are inserted into through holes (2) of the elements (1). The elements (1) are arranged side by side and connected to the pipes (3). A ring-shaped packing (5) is interposed between the elements (1), and water-tightly seals the clearance between the element (1) and the pipe (3). The holes (2) are arranged at peripheral locations of each element (1). The pipes (3) are inserted into the holes (2) of each element (1). The elements (1) are held at the peripheral locations to the pipes (3).

Abstract: A vessel system comprising a vessel is presented. The vessel system comprises at least one internal wall located within the vessel. The vessel system further comprises at least one inflatable seal to create a seal between an outer periphery of the internal wall and an internal cavity wall of the vessel. The vessel system further comprises a shaft longitudinally traversing the vessel and adapted to transmit a force applied on the at least one internal wall to an end of the vessel.

Abstract: A filter element that has at least two, planar, non-curved filtration panels. In a preferred embodiment, the filter element has three panels, providing a generally triangular filter element. The outlet aperture, from the filter element, generally follows the configuration of the filter. That is, a filter element having three filtration panels will have a generally three-sided outlet aperture. The outlet aperture preferably is not a true polygon, but rather, includes rounded or curved sides and/or corners. The filter element includes an outlet sealing configuration that may provide both axial and radial sealing to outlet ductwork.

Abstract: A strainer wall structure includes curved sections, a method of manufacturing the same, and a filtering method using the strainer wall structure to provide a substantially larger effective filtering area in the same length and width, substantially reducing foreign substances covering a suction surface and flow resistance of the foreign substances, and reducing pressure drop at a cooling water pass corresponding thereto. The strainer wall structure includes an inlet side through which cooling water is introduced and an outlet side through which the filtered cooling water is discharged, includes a body having openings in directions of the inlet side and the outlet side, and a first filter plate inserted into the body and including curved sections formed by alternately bending a first punched plate having filtering holes in opposite directions and at a predetermined interval.

Abstract: A fluid strainer device is disclosed. The device includes a housing which defines an open chamber, the chamber having both at least one fluid input port and at least one fluid outlet port. A plurality of spaced strainer baskets are disposed within the chamber. Each basket has a pair of spaced perforated side panels, a perforated rear panel, a perforated top panel and an open front portion in fluid communication with the chamber fluid input port. Finally, each strainer basket is aligned within the chamber for fluid flow from the chamber input port into the basket's open front portion and out through the perforations thereof to filter debris from the fluid while preventing substantial fluid pressure drop between the input and outlet ports substantially independent of debris buildup within the basket.

Abstract: A filter and replaceable filter leaf apparatus are provided. The filter includes a housing defining a cavity having fluid inlet and outlet ports and a lid member with a manifold coupled to the outlet port and being adapted to conduct a fluid flow between the outlet port and a plurality of attachment areas. Replaceable filter leafs are selectively movable through an opening into the housing cavity and attachable with the manifold at the plurality of attachment areas. The replaceable filter leafs include a filter envelope consisting of a single substantially rectangular filter panel, a nozzle member on the filter panel and defining a passageway adjacent an opening in the filter envelope for conducting fluids therethrough, and a porous grid member contained within the filter envelope. The nozzle member is selectively attachable onto the manifold of the polishing filter apparatus at one of the plurality of attachment areas.

Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.

Abstract: A strainer wall structure that removes foreign substances from a fluid suctioned into a pipe and a re-circulation pump that is part of an emergency core cooling system (ECCS). The strainer wall structure has an inlet side and an outlet side through which cooling water is introduced and discharged, respectively, and includes a body having an opening in a direction of the inlet side, closed side surfaces, and an outlet port disposed at one of the closed side surfaces. The strainer includes a punched plate filter screen inserted into the opening. A modular cassette apparatus including grooved first filter plates is inserted into the body, and second filter plates having second grooves is inserted into the first grooves.

Abstract: An apparatus for the transfer of mass and heat including a membrane having a hydrophilic surface and an opposing hydrophobic surface. The construction prevents transmission or leakage of fluids from one side of the membrane to the other regardless of pressure gradients within the membrane bubble point or water intrusion pressure range, but allows the transfer of vaporized fluid from one side of the membrane to the other.

Abstract: An apparatus for filtering liquid that includes a filter having an external surface; a rotatable shaft extending through the filter; and a movable member coupled to the rotatable shaft. The movable member is configured to impart a suction force at various locations across the external surface of the filter. The movable member has a trailing portion that extends further than the leading portion in the direction toward the filter.

Abstract: A membrane element 36 includes filtration membranes 45 on the flat part of the membrane element 36. Spacing members 60 keep spacing S between the filtration membranes 45 between the membrane elements 36 when the membrane elements 36 are arranged with the filtration membranes 45 opposed to each other. The spacing members 60 each have spacer sections 61a and 61b that keep the spacing S between the filtration membranes 45 between the membrane elements 36 in the direction of a membrane surface cleaning stream that flows along the surface of the filtration membrane 45.

Abstract: A vertical cylindrical dewatering apparatus for dewatering fibrous slurries, slurry of manure and water, or other similar slurries. The apparatus includes a housing that includes a defined chamber having an enclosed top end with a slurry injector into the chamber, a centrally disposed first filtering element that includes first and second flightings, and a second vertical cylindrical filtering element including a support grid. The first and second filtering elements define the chamber. The slurry in-flow port at the top of the apparatus directs the slurry spiraling down between the flightings. The particles start building up at the bottom of the chamber as the water is filtered out from the housing through filtrate drains. Compressed air supplied through a rotating seal down through the centrally disposed filtering element moves through the filter, and through the particles forcing the water from between the particles out through the outer filter element.

Abstract: The present invention relates to a method of treating lime mud slurry being generated in a causticizing process in a pulp mill in a disc filter, in which method the lime mud is fed in the filter, thickened on the filter discs and removed from the filter discs. The lime mud is treated in at least two stages in one and the same disc filter in such a way that the lime mud slurry entering the filter is fed onto only a part of the filter discs, on which lime mud is thickened and removed from the discs, and the removed lime mud is re-slurried in liquid, and the lime mud slurry thus obtained is fed onto a second part of the filter discs, on which lime mud is thickened and removed from the filter and led into a subsequent process stage. The invention also relates to an apparatus.

Abstract: An assembly for filtering contaminants from automatic transmission fluid includes a housing including a first inlet and a second inlet, through which fluid enters the housing, and an outlet, through which fluid exits the housing; a first media filter located within the housing in a first fluid flow path between the first inlet and the outlet; and a second media filter located within the housing in a second fluid flow path between the second inlet and the outlet.

Abstract: A filtration system for collecting bone fragments during surgery performed on a patient includes a cylinder having a rotating disk with circumferential arms extending radially in the cylinder to define pockets. The rotating disk includes a longitudinal hub that carries an outlet connected to a central passageway formed in the disk. A plurality of apertures on the disk permit the liquid to flow into the passageway and through the outlet while the pockets retain the bone fragments. The disk is rotated to align circumferential spaced pockets to align with the inlet and outlet ports. The disks includes bearing surfaces that permit the rotation thereof and the arms are spaced from the cylinder inner surface to allow the flow of fluid in the event the pockets fill and clog the apertures and prevent flow into the outlet passage.

Abstract: A vapor deposition system includes a filter-diffuser device connected to a vapor inlet within a vacuum chamber for simultaneously filtering inflowing vapor to remove particulate matter while injecting vapor containing perfluordecanoic acid (PFDA) into the chamber through radially arranged porous metal filters to enable the deposition of a uniform monolayer of PFDA molecules onto the surfaces of a micromechanical device, such as a digital micromirror device.

Abstract: Polishing filter and replaceable filter leaf apparatus are provided. The polishing filter includes a housing defining a cavity having fluid inlet and outlet ports and a lid member with a manifold coupled to the outlet port and being adapted to conduct a fluid flow between the outlet port and a plurality of attachment areas. Replaceable filter leafs are selectively movable through an opening into the housing cavity and attachable with the manifold at the plurality of attachment areas. The replaceable filter leafs include a filter envelope consisting of a single substantially rectangular filter panel, a nozzle member on the filter panel and defining a passageway adjacent an opening in the filter envelope for conducting fluids therethrough, and a porous grid member contained within the filter envelope. The nozzle member is selectively attachable onto the manifold of the polishing filter apparatus at one of the plurality of attachment areas.

Abstract: This invention relates to filtration manifolds, filtration assemblies, methods of channeling permeate, and filtration units. Filtration assemblies may include filtration units and filtration manifolds having isolated permeate collection passages. Permeate may be channeled through the isolated permeate collection passages of the filtration manifold during filtration and then output from the manifold.

Abstract: A filter assembly for filtering particles from a fluid is disclosed. The filter assembly comprises a first plate, a second plate, and a channel. The first plate includes a first face, a second face, and a first set of apertures extending between the first face and the second face. The second plate includes a third face, a fourth face, and a second set of apertures extending between the third face and the fourth face. The second plate is coupled to the first plate such that the third face faces the second face. The channel is between at least a portion of the second face and at least a portion of the third face. The channel provides fluid communication between the first set of apertures and the second set of apertures and has a depth. The depth of the channel determines a filtration level.

Abstract: Apparatuses for screening granular solid particulate material include a generally planar first screen and a second screen. A plurality of apertures extends through the first screen. At least a portion of the second screen is oriented at an angle to the first screen, and apertures extend through a perforated region of the second screen. The second screen includes at least one region configured to prevent at least some particles of solid material from passing through the second screen.

Abstract: Apparatus for filtering liquids, comprising flat membrane pockets arranged parallel and means for pressure-tight connection of the membrane pockets to one another and for coupling an extraction means. The membrane pocket includes a drainage element, which is joined surface-to-surface to two membranes and is enclosed in a pressure-tight manner at the edge. Adjacent membrane pockets are connected to one another and to the extraction means via one or more outflow bores and associated lines. The outflow bores are arranged in such a way that the transmembrane differential pressure drops only slightly over the surface of the membrane pocket.

Abstract: A vessel system comprising a vessel. The vessel system further comprises at least one internal wall located within the vessel. The vessel system further comprises at least one inflatable seal allowing to create a seal between an outer periphery of the internal wall and an internal cavity wall of the vessel.

Abstract: A filter module comprises a non-filtrate draining spacer element, a filter layer, a filtrate draining spacer element, a filter layer, a non-filtrate draining spacer element, a filter layer, and a filtrate draining spacer layer stacked on one another in an axial direction, wherein at least some of the draining spacer elements comprise connecting means around the outer circumference to compress and seal off the filter layers between the draining spacer elements.

Abstract: A strainer for an emergency core cooling system (ECCS) in a nuclear power plant comprises a perforated strainer element that is immersed in a reservoir of cooling water, which is drawn through the strainer element into the emergency core cooling system. The side of the strainer element in contact with the cooling water has a contoured configuration for disrupting the formation of a flat bed of fibrous material that can trap small particulate material intended to pass through the strainer element. Incorporating this strainer element into an ECCS strainer enables the strainer to be made more compact, because the debris bed need not be spread over an unduly large area to prevent excessive head loss from the debris load in the event of a reactor loss of coolant accident. The strainer also incorporates a modular construction that uses individual strainer disc modules. Each disc module includes a perforated first disc part having a central opening and a perforated second disc part also having a central opening.

Abstract: The invention relates to a filter module (1) comprising filters layers (4a, b) made of a filter medium, especially comprising filter layers made of filter strata. Said filter layers alternate with layers made of draining spacer elements 910, 10a, b, 20), the first and last layer of the filter module (1) consisting respectively of a draining spacer element (10a, b, 20). The draining spacer elements respectively and mutually comprise flow elements (12a, b) and sealing elements (11a, b) for the filtrate chamber and the non-filtrate chamber (40, 41). Means are provided for the mutual connection thereof. The aim of the filter module (1) is to combine the advantages of known filter modules with improved sealing at the edges of the filter layers, and to make the filter module backwashable. The filter module (1) comprises draining spacer elements (10, 10a, b, 20) which are embodied in such a way that they enable the filter layers to be pressed in a sealing manner.

Abstract: An aeroponic plant growing system includes a water reservoir and growing chambers for growing plants in an aeroponic environment. A pump, a water distribution manifold, and water lines are used to provide water and nutrients from the water reservoir to sprayers in the growing chambers where the water and nutrients are sprayed on the roots of plants growing therein. The water distribution manifold and water lines preferably are provided as closed loop systems, such that water is provided to all sprayers despite a blockage in the manifold or a water line. Non-absorbed water and nutrients are returned to the water reservoir from the growing chambers on water return lines via a filter that includes multiple types of filter media, including filter media that support the colonization of organisms that support plant growth.

Abstract: The present invention relates to a filter system (1) for removing impurities from a fluid, having a filter housing (2) enclosing a housing interior (3), and having at least one cylindrical filter body (9) provided in the filter housing (2), said filter body separating an uncleaned space (10) from a clean space (11) in the housing interior (3). In order to be able to more simply adapt the filter system (1) to different filtration levels, each filter body (9) has at least two cylindrical filter elements (12) that are designed as identical components and that are axially attached to one another.

Abstract: The invention concerns a filter for liquids loaded with solid particles, comprising a vessel (52) provided with an inlet for the liquid to be filtered, an outlet for the filtrate emerging into a manifold and a discharge orifice for the sludge of solid particles and wherein is enclosed a plurality of filtering elements (10), each filtering element shaped like an elongated pocket (16) of fabric (12) of filtering media having an upper opening (10) in communication with the outlet and mounted around frames (18) provided with longitudinal drainage channels (30) and suspended to support elements housed in said vessel and comprising a radial pipe (20) forming a manifold wherein emerges the opening of the filtering elements. The invention is characterized in that the upper edge of said pockets is provided with a hem (17) receiving a stiffening element (19) and urged to be tightly fixed in a peripheral catching element (21) integral with said support elements.

Abstract: Portable apparatus, systems and methods for the selective removal of contaminants from a fluid medium through the use of hollow fiber media (“HFM”). Apparatus embodiments include a housing defining an inlet portion, an outlet portion and a chamber fluidly coupled there between for receiving hollow fiber media, in either bulk or cartridge form, wherein the media is hydrophilic and/or hydrophobic. Passive, i.e., gravity fed or active, i.e., mechanically pressurized versions are disclosed. Apparatus may further include user reversible/replaceable check valves, a receptacle fitting adaptor to allow the use of a variety of receiving containers with a single filtration device, and configurations wherein at least 80% of a maximum flow rate through the filter can be achieved when an inlet fluid pressure is about 0.2 bar. A buoyant pre-filter with an optional hydrophilic filter element may also be used to establish a system.

Abstract: A membrane treatment apparatus includes a filtration membrane 10 filtering raw water existing in an external environment 100 by applying pressure thereto and a treated water outlet 11 from which treated water collected after filtration by the filtration membrane 10 is taken, and is provided with a filter cloth 12 placed and fixed outside the filtration membrane 10 with a predetermined space left between the filter cloth and the filtration membrane. Preferably, the filter cloth 12 is provided in such a way as to cover an outer circumferential side and a bottom of the filtration membrane 10, and the filter cloth 12 is provided in such a way as to cover the outer circumferential side of the filtration membrane 10 with the bottom thereof uncovered.

Abstract: A filter unit includes membrane plates placed together parallel to one another, which at least in zones around connecting elements for the purpose of draining permeate are connected together liquid-tight. The membrane plates because of their shape and after two membrane plates have been placed one on top of the other are provided for manufacturing a liquid-tight connection or a seal by welding. As a result unfiltered liquid flows through between the membrane plates and contamination of the permeate within a volume situated between the connecting elements is prevented. Over a number of connecting elements and zones located in between it is possible to attach a hollow profile, which is closed-off at its ends. This hollow profile in a liquid-tight manner surrounds discharge openings of the connecting elements and the zones located in between with positive material engagement.

Abstract: The present invention relates to a disc-shaped filter element and to a method to provide a disc-shaped filter element. A disc-shaped filter element has a diameter K, and comprises a first and a second ring-like shaped, liquid permeable support member having an outer edge having a diameter Ds and an inner central edge, having a largest width Ws. The disc-shaped filter element comprises a first and a second ring shape-like filter membrane, the first filter membrane being in contact with the first surface of the first support member, the second filter membrane being in contact with the first surface of the second support member. The outer edges of the first filter membrane, the second filter membrane, the first support member and the second support member are liquid tight fixed to each other. The disc-shaped filter element further comprises a hub having a central void space, an outer wall, at least one channel extending from this void space to this outer wall and a coupling means.

Abstract: The invention concerns a method for treating a fluid. According to the invention, the fluid is contacted with a substrate at the surface of which there is a network of organic molecules, hereafter referred to as “network molecules”, having a central corre and at least one lateral arm, said molecules being adsorbed at the surface of the substrate. The invention also concerns a two-dimensional molecular sieve consisting of substrate at the surface of which a network of network molecules is adsorbed. The invention further concerns a module for treating a fluid comprising means for circulating the fluid to be treated and containing one or more two-dimensional molecule sieves.

Abstract: A filtration housing is disclosed.

Abstract: A filtration appliance for wastewater purification, preferably for a sewage treatment plant, in particular for a small sewage treatment plant, including at least one ceramic-based membrane for separating off microorganisms, to a sewage treatment plant having such a filtration appliance, a method of purifying wastewater, in particular in a sewage treatment plant, wherein microorganisms present in the wastewater are separated off by means of at least one ceramic-based membrane, and also to the use of a ceramic-based membrane as filter for separating off microorganisms and, if appropriate, fine solids, from wastewaters.

Abstract: A large scale membrane separating installation wherein a cleaning chemical liquid flows to membrane units through a header and branch pipes. A cleaning chemical liquid distribution unit comprises the header and the branch pipes having a diameter smaller than that of the header. The cleaning chemical liquid distribution unit comprises a pipeline configuration uniformly distributing the cleaning chemical liquid supplied to the membrane units.

Abstract: A negative pressure reverse osmosis filtering membrane system includes multiple reverse osmosis filtering members, multiple buckle units, multiple sealing members, a first base and a second base. Each of the reverse osmosis filtering members includes a supporting plate, a first membrane, a second membrane, and an aperture. The first membrane and the second membrane sandwiches the supporting plate to define a room. The aperture is defined along an axis and through the supporting plate, the first membrane and the second membrane to communicate with the room. The buckle units are embedded next to each other and alternately stacked with the reverse osmosis filtering members. The sealing members are respectively clamped between the buckle unit and the reverse osmosis filtering member. The first base further includes a pump hole communicating with the aperture and pumping the filtered liquid out of the reverse osmosis filtering membrane system by a negative pressure.

Abstract: A sludge filtration apparatus has a sludge tank configured to store sludge and at least one filter assembly. The filter assembly includes a filtration membrane for filtering the sludge and a pipe insertable in the filtration membrane to supply air to a secondary side of the filtration membrane for dislodging the sludge from the filtration membrane. The pipe has a plurality of holes for discharging gas, namely air, to an area in which the filtration membrane inclines downwardly with the secondary side thereof. The sludge filtration apparatus can prevent thickened sludge from remaining in an upper portion of the filter assembly.

Abstract: A liquid filter element frame (7) is provided comprising an elongate injection moulded body, conveniently composed of a series of collinear injection moulded units (13). The frame has a plurality of support ribs (14) radiating from a central axis thereof and a support collar (17) encircling the outer edges of the ribs at the operatively upper end. The collar has formed integral therewith a plurality of radially inwardly directed support rails (18) having inner ends cooperating with the moulded body between adjacent support ribs thereof. Preferably, the collar has a number of inwardly extending support rails equal to the number of radially extending support ribs with the inner edges (19) of the support rails being received neatly in a corner formed between each pair of adjacent support ribs. The invention also provides a liquid filter including filter elements having such frames.

Abstract: A filter element that has at least two, planar, non-curved filtration panels. In a preferred embodiment, the filter element has three panels, providing a generally triangular filter element. The outlet aperture, from the filter element, generally follows the configuration of the filter. That is, a filter element having three filtration panels will have a generally three-sided outlet aperture. The outlet aperture preferably is not a true polygon, but rather, includes rounded or curved sides and/or corners. The filter element includes an outlet sealing configuration that may provide both axial and radial sealing to outlet ductwork.

Abstract: The present invention relates to filtration cassette, components thereof and methods of making them. A filtration cassette comprises a plurality of subassemblies of which at least one comprises a filter screen encompassed by two filter membranes or one filter membrane and an impermeable film which are joined together around their peripheries.

Abstract: A combined filter apparatus includes a first filter element, a second filter element disposed in stacking arrangement to the first filter element, a housing enclosing the filter elements, a seal sealing the dirty side of the first filter element from the dirty side of the second filter element, a first inlet disposed in the housing for fluid flow to the first filter element, a second inlet disposed in the housing for fluid flow to the second filter element, and an outlet disposed in the housing for fluid flow from at least one of the filter elements.

Abstract: The invention concerns a device for the separation of substances, in particular of solid substances, liquid phases of varied density and/or of gases, from a liquid, by rotation with several filtering elements, which permit the filtered liquid to pass through and which are rotatably supported around a rotational axis inside of a housing, said housing exhibiting an inlet opening for the liquid, at least one discharge opening for the heavy substances separated by rotation and at least one discharge opening for the filtered liquid. In accordance with the invention, a throughflow is provided, in the region or in the proximity of the rotational axis of the filtering elements, for substances exhibiting a density lower than that of the liquid.

Abstract: An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second width, the second width being less than the first width. The coupling assembly includes an element carried by the second section, and presents an engagement width that is greater than the second width and less than or equal to the first width such that the element may be shiftably received within the first section at the first width, and can be removably engaged at the second width.

Abstract: A panel sector, for a disc filter for separation of liquids from a suspension, includes front and back filter panel assemblies, a sector assembly for mounting the front and back filter panel assemblies, and a top cap for retaining the filter panel assemblies within the sector assembly. Each of the filter panel assemblies includes a frame and a filter material clamped by the frame. The sector assembly includes an outer end plate, an inner core mounting plate subassembly for mounting the panel sector to the disc filter core, first and second side channel subassemblies, at least one structural member extending radially between the core mounting plate subassembly and the outer end plate, and at least one support member extending laterally between the first and second side channel subassemblies. The core mounting plate subassembly and each of the side channel subassemblies have front and back channels for receiving portions of the frame.

Abstract: A modular filtration assembly for filtration of fluids, the capacity of the assembly depending upon the selected number of filtration modules included in the assembly. Each of the modules is made up of two identical housing members connected together in inverse, head-to-tail configuration and providing for inflow and outflow of fluid to and from a filter unit disposed in a recess formed by the two housing members. A housing inlet and housing outlet serve the function of assembly inlet and assembly outlet when the modules are assembled to one another to form the filtration assembly, providing for modularity and affording flexibility of capacity of the assembly.

Abstract: According to the present invention, there is provided a wastewater processing apparatus and method comprising a rotating filter thickener (20) receiving and filtering a wastewater mixture and producing a first filtrate output and a first sludge output, a screw press thickener (24) receiving the first sludge output and forming a final sludge output and a second filtrate output, a dissolved air floatator (46) receiving the first filtrate output from the rotating filter thickener (20) and producing a first solid output and a third filtrate output.