A two-dimensional membrane layered structure may include a support substrate layer having a plurality of substrate passages configured to allow fluid to flow therethrough, a two-dimensional membrane layer disposed on an upper surface of the support substrate layer, and a plurality of flow passages disposed between the support substrate layer and the two-dimensional membrane layer. The two-dimensional membrane layer may have a plurality of pores configured to allow fluid to flow therethrough. The plurality of pores may comprise a first portion of pores that overlap with the plurality of substrate passages and a second portion of pores that do not overlap with the plurality of substrate passages. The plurality of flow passages may be configured to allow fluid to flow through the second portion of pores to the plurality of substrate passages.

In order to provide a hydrogen purification device in which a source gas is supplied, from which a purified gas flows out, that is easily manufacturable, and in which the pressure resistance of an hydrogen permeable membrane is high, the hydrogen purification device is configured to include a hydrogen permeable membrane allowing hydrogen to selectively permeate therethrough, two porous supports that sandwich and support the hydrogen permeable membrane from both surfaces thereof, and a casing having a space formed therein configured to accommodate reaction of the source gas and the hydrogen permeable membrane. The porous supports are contained inside the casing, an outermost edge of the hydrogen permeable membrane extends outward from the outer edges of the porous supports in at least one location, and a peripheral portion of the hydrogen permeable membrane in a vicinity of the outermost edge and the casing are airtightly sealed to each other.

The embodiments disclosed herein include forward osmosis hydration and dewatering devices. The forwards osmosis devices disclosed herein include one or more forward osmosis membranes and one or more barriers. The barriers are configured to protect the forward osmosis membranes from damage, such as damage caused by contact between at least one osmotic agent or another ingredients of the forward osmosis device.

A hand-carry gravity-driven water filter with high throughput and water disinfection performance is formed. Membranes used for this water filter can be fabricated using electrospun method and non-solvent induced phase inversion method. A novel composite membrane structure (interwoven composite structure) was designed for further enhances water permeability and mechanical strength. The composite membrane can be composed of nanofibers with different diameter from the same polymer or different polymers. Membrane porosity and surface pore size can be controlled. Silver nanoparticles can be in-situ loaded on the surface of the membranes. The developed filter is effective for removal of a wide range of contaminants (e.g., pathogens, suspended solids and heavy metals). The purification process can be carried out under the drive of gravity (with an option for mechanically-enhanced filtration) without electricity.

A sheet filter membrane is arranged on a surface of a filter plate of a thermoplastic resin, and a plurality of projections provided in a hot plate is pressed against the filter plate above a periphery of the filter membrane with different timing for each of the projections to abut on the filter membrane. A plurality of recessed bonding portions with different depths are thus formed in the filter plate, and the filter membrane is bonded to the filter plate by heat welding in each of the recessed bonding portions. Sealing is therefore provided between the filter membrane and the filter plate along the periphery of the filter membrane.

Single-use integral chromatography unit having an inlet and an outlet, and comprising one or more plates or pairs of filter plates interposable between a pair of end plates. In certain embodiments, each of the filter plates comprises a polymeric framework with one or more membranes supported therein. The filter plates and end plates may be assembled to form a substantially fixed, substantially water-tight, integral stack. Fluid entering the unit through a common inlet passes the membrane or membranes of each filter plate substantially contemporaneously prior to exiting the unit through a common outlet (cf, “parallel” flow). The assembly is a modular design, as multiple pairs of plates can be stacked in a suitable holder to form a single chromatography unit.

The invention discloses a distribution plate for supplying crossflow filtration cassettes, which comprises a surface, two opposite end walls, two opposite side walls, a feed channel in fluid communication with a feed inlet port and with a plurality of feed apertures; a retentate channel in fluid communication with a retentate outlet port, and with a plurality of retentate apertures; and a permeate channel in fluid communication with two permeate outlet ports and with a plurality of permeate apertures; wherein the feed channel, the retentate channel and the permeate channel extend in a direction essentially parallel with one or both side walls; wherein the feed apertures are grouped at a first area on the surface, the retentate apertures are grouped at a second area on the surface; wherein the permeate apertures are located at the first and/or the second area; and wherein a plurality of permeate connector channels extend inside the plate from at least one region of the permeate channel, adjacent the permeate outlet ports and the permeate connector channels provide fluidic communication between the permeate apertures and the permeate channel.

A separation-membrane module 1 includes an element block 2 that is formed by arranging, in parallel, a plurality of separation-membrane elements 4 that are formed by arranging a pair of separation-membranes with their respective permeate surfaces in opposition to each other and sealing the edges of the pair of the membranes; and an aeration block 3 that includes an aeration pipe 31 and that is disposed under the element block 2. In the element block 2, at least one upper spacer 8 is disposed in the upper portion of each space between the adjacent separation-membrane elements 4, and a lower spacer 9 is disposed under the upper spacer 8 in each space between the adjacent separation-membrane elements 4. And the leftmost and the rightmost separation-membrane elements 4 of the plurality of the separation-membrane elements 4 are secured to a frame 12 at the lower spacers 9.

A filtration module (1) has a filter unit (2) with at least one filter element (6) arranged between first and second plates (4, 5). The filter element (6) has at least one layer of filter material (9, 10) sealed off at a periphery by an edge seal (12). The plates (4, 5) are pressed against each other by a resilient bracketing profile (3) that engages around the plates (4, 5) at their opposite side surfaces (21, 22, 23, 24). The bracketing profile (3) has a base (13) that curves inward transversely to the longitudinal direction (14) of the plates (4, 5) and that is delimited by lateral brackets (16, 17) that are bent inward at their free ends (18, 19) to engage laterally around a surface (20) of the filter element (6) facing away from the base (13). A method also is provided for producing a filtration module.

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).