Abstract: A filtration assembly including: a hyperfiltration assembly including: a high pressure vessel including a feed port, concentrate port and permeate port, and a plurality of serially arranged spiral wound hyperfiltration membrane modules; a bioreactor assembly including: a low pressure vessel comprising a first and second port, and a plurality of spiral wound bioreactors located within the low pressure vessel with each bioreactor comprising a flat sheet having two opposing bio-growth surfaces and a feed spacer spirally wound about an axis; and a fluid flow pathway extending from a fluid feed source: into the first port of the low pressure vessel, through the bioreactors and out the second port of the low pressure vessel, and into the feed port of the high pressure vessel, through the membrane modules and out of the concentrate port and permeate port.

Abstract: The magnetic adsorbent for organic pollution removal is an adsorbent material, preferably in the form of microcapsules, for adsorbing organic pollutants, such as methylene blue, onto the microcapsules from contaminated water. Each of the magnetic adsorbent microcapsules is formed from magnetic iron oxide (Fe3O4) particles embedded in a nitrogen-enriched porous carbon matrix. To make the magnetic adsorbent microcapsules, urea and formaldehyde are mixed to form a pre-polymer solution. Magnetic Fe3O4 is mixed with an aqueous epoxy resin in hexane to form a mixture, which is then sonicated and added to the pre-polymer solution to form a polymeric solution. A surfactant, such as sodium lauryl sulfate, is added to the polymeric solution to form a suspension of magnetic microcapsules. The magnetic microcapsules are washed, filtered and dried before annealing in a tube furnace to form the adsorbent microcapsules, which are then washed and dried.

Abstract: An aeration device configured to be fitted to a membrane filtration module having membranes mounted therein. The aeration device comprises a sleeve configured to at least partially surround the membrane filtration module. The sleeve has one end adapted to engage with the membrane filtration module and another end adapted to engage with a filtrate collection conduit or manifold.

Abstract: A filtered drinking straw for providing on demand filtered drinking water is presented herein. The straw includes an elongated body defining a first end, a second end and an internal passage disposed there between. At least one filter is positioned within the internal passage of the body for reducing an amount of impurities that may be contained in the fluid as the fluid flows there through. The filter may include a core with a mix of granulated materials such as activated granulated carbon, chlorine grain, and zeolite. One or more retention structures may also be provided for retaining the filter within the body of the straw. The retention structure(s) include one or more internal projections, a mouth cap and/or end cap.

Abstract: Assembly for treating fluids, comprising a support (12) having a first and second oppositely arranged surfaces (121) for backing support of a semi permeable membrane (11), a first fluid conveying compartments (124) interposed between the first and second surfaces, a plurality of first fluid passages (126) extending from the first surface (121) and being in fluid communication with the first compartments (124), and a first duct attached to the support (12) and in fluid communication with the first compartments. The assembly comprises a second compartment (125) arranged for conveying fluid and different from the first compartment, and a second duct attached to the support (12) and configured to be in fluid communication with the second compartment (125).

Abstract: A blood purification apparatus comprising: a blood circuit including an arterial blood circuit and a venous blood circuit and that is capable of extracorporeally circulating blood of a patient from a distal end of the arterial blood circuit to a distal end of the venous blood circuit; a blood purification device provided between the arterial and the venous blood circuit of the blood circuit and that is capable of purifying the blood flowing in the blood circuit; a dialysate introduction line for introducing dialysate into the blood purification device and a dialysate drain line for discharging drain liquid from the blood purification device; a liquid delivery pump provided to the dialysate introduction line and that is capable of causing the dialysate in the dialysate introduction line to flow; a heating device that is capable of heating the dialysate to be introduced from the dialysate introduction line into the blood purification device; a temperature-detecting device that is capable of detecting a temperat

Abstract: The present invention provides a filter for separating particles and/or catalyzer for particle reaction in a fluid. The device comprising array of passageways fabricated on a die wherein the passageway size is controlled by actuators. The passageway size is monitored and the actuators controlling the passageway size are activated conditionally upon the passageway size monitoring. Using movable actuators the passageway can achieve passageway size that is less then the fabrication minimal resolution. Proper locating, setting and/or activation of the actuators create passageways that can perform filtration of particles, trapping of particles and catalyzing particles reaction.

Abstract: In some embodiments, a method may include separating contaminants from impaired water. The method may include contacting impaired water with a peracetate oxidant solution. The method may include mixing said impaired water with the peracetate oxidant solution. The method may include separating the impaired water oxidant solution mixture into solids and a water phase. In some embodiments, the peracetate oxidant solution may include peracetate anions and a peracid. The peracetate oxidant solution may have a pH from about 10 to about pH 12. The peracetate oxidant solution may have a molar ratio of peracetate anions to peracid ranging from about 60:1 to about 6000:1. In some embodiments, a peracetate anion to hydrogen peroxide molar ratio is greater than about 16:1. In some embodiments, a reactive coagulant, a softener, and/or a floc aid may be added to the impaired water.

Abstract: Stabilized surfactant-based membranes and methods of manufacture thereof. Membranes comprising a stabilized surfactant mesostructure on a porous support may be used for various separations, including reverse osmosis and forward osmosis. The membranes are stabilized after evaporation of solvents; in some embodiments no removal of the surfactant is required. The surfactant solution may or may not comprise a hydrophilic compound such as an acid or base. The surface of the porous support is preferably modified prior to formation of the stabilized surfactant mesostructure. The membrane is sufficiently stable to be utilized in commercial separations devices such as spiral wound modules. Also a stabilized surfactant mesostructure coating for a porous material and filters made therefrom. The coating can simultaneously improve both the permeability and the filtration characteristics of the porous material.

Abstract: A water treatment system according to an embodiment of the present invention includes a tank that stores water to be treated, a crossflow filtration membrane module that filters the water to be treated, a supply passage through which the water to be treated is supplied from the tank to the filtration membrane module by using a supply pump, and a recirculation passage through which the water to be treated, the water having passed through a membrane upstream side of the filtration membrane module, is recirculated to the tank. The tank has an upper space above a liquid surface of the stored water to be treated, the upper space being hermetically filled with an inert gas. The water treatment system further includes a gas transport passage through which the inert gas is introduced from the upper space into the supply passage or the filtration membrane module, and a compressor that is disposed in the gas transport passage and that pressurizes the inert gas. The compressor is preferably a water-sealed compressor.

Abstract: A filtration unit to selectively remove leukocytes from fluids containing platelets and systems including a filtration unit are provided. In one embodiment, a filtration unit is provided including an outer casing enclosing a porous element which includes a leukocyte-removal medium with a coating. The coating includes a polymer containing a main hydrophobic chain and a hydrophilic poly(ethylene oxide) side chain and having a mass average molar mass in the range of from about 1,000 g/mol to about 20,000 g/mol. The hydrophilic poly(ethylene oxide) side chain includes from 9 to 50 ethylene oxide units, and the mass percentage of the poly(ethylene oxide) side chain is less than about 50% of the mass average molar mass of the polymer.

Abstract: A method for the desalination of water, the method comprising flowing salt water through a free-standing single-layer membrane of nanoporous graphene having a first planar side that makes contact with the salt water and an opposing second planar side from which desalinated water exits, wherein said membrane contains nanopores having a size of up to 1 nm, along with a substantial absence of pores above 1 nm in size, wherein said nanopores up to 1 nm in size have pore edges passivated with silicon, wherein salt ions in said salt water are blocked from passing through said membrane while water in said salt water passes through said membrane to result in desalinated water exiting said membrane.

Abstract: A dialysis concentrate container for single-use, comprising a container portion (1, 2) which can be filled with dialysis concentrate and a connecting portion (13, 3) connected thereto for connecting the dialysis concentrate container to a dialysis machine, wherein the connecting portion (13, 3) has laterally spaced fluid connection elements (31) for connecting to a fluid outlet and a fluid inlet of the dialysis machine, wherein the container body (1, 2) is formed as a rigid box, wherein the connecting portion (13, 3) is further arranged at the lower end of the container body, wherein the connecting portion (13, 3) is formed by a plate body which can be clamped into a connecting block of the dialysis machine, and on the underside of which the fluid connecting elements (31) are formed, one of which being connected to a fluid inlet of the container body (1) and the other one being connected to a fluid outlet thereof.

Abstract: The invention relates to a method for producing a membrane module, comprising a plurality of elongated filter elements disposed in parallel adjacent to one another, each element comprising a longitudinal channel, a housing enclosing the filter elements, and a collector chamber between the housing and the filter elements.

Abstract: A filter element for use in a filter disc, wherein a plurality of filter elements are arranged on a rotor shaft in a manner allowing liquid communication between the inside of the filter elements and the inside of the rotor shaft. The filter element has at least one passage in an edge structure for liquid communication between the inside of adjacent filter elements when the filter elements are assembled forming a filter disc. The passage has different passage area along the edge structure.

Abstract: A cartridge type hollow fiber membrane module including a housing, a hollow-fiber membrane bundle having a plurality of hollow fiber membranes, a first potting part that bonds the hollow fiber membranes at at least one end of the bundle of the plurality of hollow fiber membranes such that the hollow fiber membranes are open, and a sealing material that fixes the first potting part to the housing liquid-tightly, wherein the first potting part comprises an inner potting part and an outer potting part, wherein the inner potting part and the outer potting part are both formed of a potting material, wherein the sealing material is in contact with the outer potting part, and wherein both the inner potting part and the outer potting part are formed in a sealing direction of the sealing material. The cartridge type hollow fiber membrane module is free of leakage and contamination due to separation of a potting material even when steam sterilization is performed.

Abstract: An compact hydraulic manifold for transporting shear sensitive fluids is provided. A channel network can include a trunk and branch architecture coupled to a bifurcation architecture. Features such as tapered channel walls, curvatures and angles of channels, and zones of low fluid pressure can be used to reduce the size while maintaining wall shear rates within a narrow range. A hydraulic manifold can be coupled to a series of microfluidic layers to construct a compact microfluidic device.

Abstract: A membrane separation device is disclosed along with systems and methods employing the device in blood processing procedures. In one embodiment, a spinning membrane separator is provided in which at least two zones or regions are created in the gap between the spinning membrane and the shell, such that mixing of the fluid between the two regions is inhibited by a radial rib or ridge associated with the spinning membrane that decreases the gap between the spinning membrane and the shell to define two fluid regions, the ridge isolating the fluid in the two regions to minimize mixing between the two. Automated systems and methods are disclosed for separating a unit of previously-collected whole blood into selected blood components, such as concentrated red cells and plasma, for collecting red cells and plasma directly from a donor in a single pass, and for cell washing. Data management systems and methods and priming methods are also disclosed.

Abstract: Described are wrapped fluid treatment elements, comprising: a composite material; an interleaf; and an inner core; wherein the composite material and the interleaf form layers wrapped around the inner core. The composite material and interleaf may be wrapped in a spiral configuration around the inner core. The invention also relates to a method of separating a substance from a fluid, comprising the step of placing the fluid in contact with an inventive device or element, thereby adsorbing or absorbing the substance to the composite material contained therein.

Abstract: Disclosed are methods and machines for removing volatile compounds from sludge. Additionally, disclosed are methods and machines for removing pathogens from sludge.