Abstract: A membrane container 6 has a casing 10 including a fluid inlet 14 and a fluid outlet 16 and a membrane container body 9 including a plurality of flow paths 11 which is arranged along the flow direction of the treated fluid and in parallel to one another. Each of the plurality of flow paths 11 includes a most upstream portion 11A which is connected to the fluid inlet 14, and a most downstream portion 11C which is connected to the fluid outlet 16. Return portions 15 and 17 configured to reverse the flow direction of the treated fluid are provided between the most upstream portion 11A and the most downstream portion 11C. After passing through the fluid inlet 14, the treated fluid flows from the most upstream portion 11A down to the most downstream portion 11C via the return portions 15 and the upper return portion 17.

Abstract: Sulfur contaminants, such as elemental sulfur (S8), hydrogen sulfide and other sulfur components in fluids (e.g., air, natural gas, and other gases, as well as water and other liquids) are removed using a silicone-based chemical filter/bath. In one embodiment, a silicone-based chemical filter includes a membrane having a cross-linked silicone that is a reaction product of an olefin and a polyhydrosiloxane. For example, sulfur contaminants in air may be removed by passing the air through the membrane before the air enters a data center or other facility housing computer systems. In another embodiment, a silicone-based chemical bath includes a housing having an inlet port, an outlet port, and a chamber containing a silicone oil. For example, sulfur contaminants in air may be removed by passing the air through the silicone oil in the chamber before the air enters a data center or other facility housing computer systems.

Abstract: A seawater desalination unit is disclosed, which comprises: a frame, an exit filtration part, and a water drawing part. The frame is configured with a reservoir, a water intake pipe and a water discharge pipe in a manner that the water intake pipe is connected to the reservoir respectively via one end thereof, while allowing a first check valve to be disposed at a position between the reservoir and the water intake pipe, and the water discharge pipe is connected to the second filtration part and the reservoir respectively via two opposite ends thereof, while allowing a second check valve to be disposed at a position between the high-pressure reservoir and the water discharge pipe. Moreover, the water drawing part is arranged in fluid communication with the water intake pipe.

Abstract: The invention is directed to a process for separating liquid mixtures, which includes passing a liquid stream of the liquid mixture over a membrane, the membrane being selective for at least one of a first compound and a second compound, whereby at least part of the liquid stream passes through the membrane leaving the other side of the membrane as a vapor, with the remainder of the liquid stream forming a retentate stream, and condensing the vapor on a condenser surface having a lower temperature than the liquid stream to give a distillate stream, the condenser surface forming a non-permeable heat conducting separation wall between the distillate stream and a cooling stream which cooling stream is a) a feed stream, or b) the retentate stream.

Abstract: Sulfur contaminants, such as elemental sulfur (S8), hydrogen sulfide and other sulfur components in fluids (e.g., air, natural gas, and other gases, as well as water and other liquids) are removed using a silicone-based chemical filter/bath. In one embodiment, a silicone-based chemical filter includes a membrane having a cross-linked silicone that is a reaction product of an olefin and a polyhydrosiloxane. For example, sulfur contaminants in air may be removed by passing the air through the membrane before the air enters a data center or other facility housing computer systems. In another embodiment, a silicone-based chemical bath includes a housing having an inlet port, an outlet port, and a chamber containing a silicone oil. For example, sulfur contaminants in air may be removed by passing the air through the silicone oil in the chamber before the air enters a data center or other facility housing computer systems.

Abstract: A module of hollow fiber membranes is re-configured to break up and rearrange a skein into multiple miniskeins each having no more than 250 fibers, all lower miniheaders of the miniskeins being slidably held for vertical movement in vertical slots in an aerator box. Upon shrinkage of the fibers, the lower miniheaders rise in the box. Each miniskein has from 2-12 planar ordered arrays in which the fibers are adhesively secured, preferably without potting the lower miniheaders. The lower ends of the fibers are dead-ended and lower miniheaders are positioned sequentially, transverse to the longitudinal axes of the upper header and the aerator box; its upper miniheader is potted in a choice of configurations.

Abstract: Disclosed is a filter cartridge. The filter cartridge includes an inner filter in the form of an approximately cylindrical corrugated membrane, an outer filter in the form of an approximately cylindrical corrugated membrane, the outer filter having a diameter greater than that of the inner filter and being installed around the inner filter, and at least one holder to support the inner filter and the outer filter.

Abstract: Asymmetric microporous membranes with localized asymmetries, devices including the membranes, and methods of making and using the membranes, are disclosed. The asymmetric microporous membranes have a first surface and a second surface and an interior bulk defined by the first and second surfaces, wherein the first surface has at least a first region and a second region, the first region having a first porosity comprising a first mean pore size, and the second region having a second porosity comprising a second mean pore size, wherein the ratio of first mean pore size to the second mean pore size is at least about 5:1.

Abstract: A filter module includes a first filter stage and a second filter stage which are substantially concentrically arranged. The first filter stage and the second filter stage each include a plurality of hollow fiber membranes having a first fiber end and a second fiber end, which are embedded in a respective casting compound. The first filter stage is a filter stage for the filtration of a first medical fluid, and the second filter stage is a filter stage for the filtration of a second medical fluid. The first filter stage has unilaterally closed fiber ends, and is surrounded by a boundary element which separates the first filter stage and the second filter stage from one another. The boundary element has at least one opening which provides fluid communication between the first filter stage and the second filter stage.

Abstract: A filter module comprising a pressure pipe and a membrane disposed therein, having connections for a fluid to be fed, preferably untreated water, and for filtrate and retentate to be discharged, characterized by a functional/connection unit which is fastened in one end of the pressure pipe and has an upper part and a lower part, wherein all of the connections are provided on the upper part, and flow ducts which are in communication with the connections pass through the lower part, wherein the pressure pipe and the membrane have provided thereinbetween an open annular space through which the fed fluid flows to the bottom side of the membrane, and wherein the pressure pipe has a closed bottom.

Abstract: Systems and methods for removing hydrogen peroxide from water purification systems are provided. In a general embodiment, the present disclosure provides a water purification system including a water treatment unit, an electrodeionization unit and a hydrogen peroxide decomposition catalyst in fluid connection with the electrodeionization unit. The water purification system can be fluidly connected to a renal treatment system.

Abstract: There is provided a silica membrane 1 formed on a porous substrate. A desorbed ionic strength of water having a temperature of 500° C. in a temperature-programmed desorption analysis of water of the silica membrane is 2,000,000/g. The silica membrane 1 is manufactured by allowing a silica sol having a water concentration of 0.03 to 3 mass % to adhere to a porous substrate by an ethanol solvent, drying the silica sol by sending air having a dew point of ?70 to 0° C., and firing the dried silica sol at 200 to 400° C.

Abstract: The present invention relates to portable filtration units including filter components mated with retentate and permeate flow channels wherein particle containing solutions are introduced into the portable filtration units and contacted with the filter components for filtration thereby producing a retentate outflow and a permeate outflow for capture of desired end product.

Abstract: An immersion-type membrane separation apparatus having a novel structure, which enables a practically applicable level of cleaning of a separation membrane by means of an ultrasonic wave generated by an ultrasonic transducer and can exhibit steady filtration performance for a long period. An ultrasonic transducer for cleaning and removing matters adhering to a separation membrane during the filtration of raw water is provided. The matters adhering to the separation membrane is cleaned and removed by means of an ultrasonic wave emitted from the ultrasonic transducer. The separation membrane is made of polytetrafluoroethylene (PTFE).

Abstract: A waste liquid treatment apparatus with enhanced treatment capacity for a pre-treatment facility of a liquid radwaste treatment system for a nuclear power plant. The waste liquid treatment apparatus includes: a water tank into which a waste liquid is introduced and from which filtered permeated water is discharged; a waste liquid introduction section through which waste liquid is introduced into the water tank; submerged membranes annularly disposed and spaced apart from each other for filtering foreign substances from the waste liquid; a permeated water suctioning section suctioning the filtered water of the waste liquid and discharging the filtered water outside the water tank; an air supplying section supplying compressed air to the submerged membranes to remove foreign substances; and a porous support plate supporting the submerged membranes.

Abstract: Sulfur contaminants, such as elemental sulfur (S8), hydrogen sulfide and other sulfur components in fluids (e.g., air, natural gas, and other gases, as well as water and other liquids) are removed using a silicone-based chemical filter/bath. In one embodiment, a silicone-based chemical filter includes a membrane having a cross-linked silicone that is a reaction product of an olefin and a polyhydrosiloxane. For example, sulfur contaminants in air may be removed by passing the air through the membrane before the air enters a data center or other facility housing computer systems. In another embodiment, a silicone-based chemical bath includes a housing having an inlet port, an outlet port, and a chamber containing a silicone oil. For example, sulfur contaminants in air may be removed by passing the air through the silicone oil in the chamber before the air enters a data center or other facility housing computer systems.

Abstract: A filtering membrane module and a filtering apparatus having the same, which is capable of remarkably reducing a vibration of filtering membrane module during an aeration process for a maintenance cleaning of filtering membrane, and preventing a crack from occurring in the filtering membrane module by the vibration, wherein the filtering membrane module comprises a filtering membrane; a header, to which the filtering membrane is potted, including a first lateral side and a second lateral side opposite to the first lateral side; a first coupling unit provided at the first lateral side; and a second coupling unit provided at the second lateral side.

Abstract: The present relates to a molecular exchange device. In particular, the present invention relates to a molecular exchange device comprising an outer tube extending from an approximal end to a distal end of the device; an inner tube defining at least one fluid passageway, the inner tube positioned concentrically within the outer tube and the area between the inner and the outer tube defining at least one fluid passageway; and a projection positioned within the area between the inner and the outer tube, wherein the projection prevents displacement of the inner tube with respect to the outer tube.

Abstract: Disclosed herein are systems and methods for desalination of salt water based on an engineered acoustic field that causes constructive and destructive interference at pre-computed spatial positions. The engineered acoustic field can cause high-pressure and low-pressure regions where desalination membranes are located. The induced pressure from the acoustic field can force pure water through the membranes leaving ionic and dissolved molecular species behind.

Abstract: The invention relates to a membrane filtration device comprising a plurality of planar membrane filter elements which are combined to form a membrane package and are disposed within the membrane package parallel to and spaced apart from one another. A wall encloses the membrane package on all sides, and within which at least one inlet chamber which is connected to at least one inlet, and at least one outlet chamber which is connected to at least one outlet. An oscillation unit is connected to the membrane package and the wall to induce oscillation in a direction parallel to the membrane filter elements. The oscillation unit is connected to a frame which encloses the membrane package and which is connected to the wall of the membrane package by means of least one spring, whose main direction of spring action extends parallel to the plane of the membrane filter.