Stacked-plate filters may include a plurality of stacked filter plates with small gaps therebetween. The present disclosure provides a stacked-plate filter apparatus comprising a plurality of filter plates stacked along a longitudinal axis with the filter plates substantially parallel. Each filter plate has a respective outer rim, first face and second face. Each of the filter plates defines a respective opening therethrough. The outer rim forms a first peripheral edge at the first face and a second peripheral edge at the second face. The first peripheral edge is radially misaligned from the second peripheral edge to form an offset gap interface for each adjacent pair of the filter plates. For each of the filter plates, the respective outer rim may be tapered from the first face to the second face to provide the radial misalignment.

In one embodiment, the present invention provides a central core element for a reverse osmosis separator assembly, the central core element comprising a pair of central core element components, each of said core element components comprising at least one porous exhaust conduit and at least one friction coupling, the friction couplings being configured to join said core element components to form a central core element defining a cavity configured to accommodate a first portion of a membrane stack assembly; wherein each core element component comprises a first section defining an exhaust cavity and a second section comprising a porous exhaust conduit, wherein said porous exhaust conduit comprises a removable wall member configured to form a substantial portion of a porous exhaust conduit wall.

A gas separation module and assembly for housing ceramic tubular membranes. The module includes a plurality of tubes containing the ceramic tubular membranes. The tubes are arranged parallel to one another and are supported by tube sheet plates at each end. Gas-tight seals surround each membrane, preventing a feed gas and a residue gas within the inner lumen of the membrane from mixing with a permeate gas in the tube interior. The module also contains a gas distribution pipe for withdrawing the permeate gas out of, or introducing a sweep gas into, the module. This configuration allows for ceramic tubular membranes to be modularized for use in an assembly that carries out many types of gas separations.

The specification discloses a portable dialysis machine having a detachable controller unit and base unit. The controller unit includes a door having an interior face, a housing with a panel, where the housing and panel define a recessed region configured to receive the interior face of the door, and a manifold receiver fixedly attached to the panel. The base unit has a planar surface for receiving a container of fluid, a scale integrated with the planar surface, a heater in thermal communication with the planar surface, and a sodium sensor in electromagnetic communication with the planar surface. Embodiments of the disclosed portable dialysis system have improved structural and functional features, including improved modularity, ease of use, and safety features.

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.

Provided is a filter module for a gravity-type water purifier. The filter module for a gravity-type water purifier according to an exemplary embodiment of the present invention includes: a plurality of filter members which are plate shaped, and which are fixed to each other via one or more fastening bars while arranged spaced apart from each other in parallel having gaps therebetween; and a common water collecting member coupled to the respective water collecting holes formed in the filter members, and in which filtered water produced from the filter members is collected.

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).

Provided is a drainage device and a system for controlling discharging of concentrated water in a water purification process. The device includes a valve cavity, a flowmeter, a transmission shaft and a control unit. The control unit is used for controlling a motion of the transmission shaft to adjust a liquid flow of the flowmeter in the valve cavity. The device inhibits an instantaneous impact of a liquid on the valve cavity to relieve vibration generated by the instantaneous impact; a special structural design is employed, which is favorable for controlling a flow of the concentrated water; moreover, the device is suitable for different pressure environments, achieves the objectives of small volume, controllable fitting area and small friction force; prevents leakage, and is easy to maintain and clean; and abnormal discharging of the concentrated water caused by water hammer and liquid impact in a water purification system is solved.

An apparatus utilizes a membrane unit to capture components from atmospheric air, including carbon dioxide, enriches the carbon dioxide concentration, and delivers the enriched concentration of carbon dioxide to a sequestering facility. The membrane is configured such that as a first gas containing oxygen, nitrogen and carbon dioxide is drawn through the membrane, a permeate stream is formed where the permeate stream has an oxygen concentration and a carbon dioxide concentration higher than in the first gas and a nitrogen concentration lower than in the first gas. A permeate conduit, having a vacuum applied to it by a vacuum generating device receives the permeate stream and a delivery conduit delivers at least a portion of the enriched carbon dioxide to a sequestering facility. The apparatus may comprise a component of a system where the system may have a flue gas generator and/or a secondary enrichment system disposed between the vacuum generating device and the sequestering facility.

The invention relates to membrane modules, in particular membrane pocket modules, which comprise membrane pocket stacks which are disposed in a housing having at least one feed inlet, at least one retentate outlet, and at least one permeate outlet. The invention also relates to the use of the membrane module according to the invention for separating mixtures of liquids and/or gases. The membrane of the previously known type, also referred to as a GS module, comprises a housing which for forming a container interior space by means of finisher discs at two end sides is closed in a pressure-tight manner. The finisher discs comprise at least one feed inlet, at least one retentate outlet, and one permeate outlet, wherein at least one membrane pocket stack which has a plurality of membrane pockets which are lined up beside one another and are mutually separated by seals and which are push-fitted onto a permeate tube is disposed in the container interior space. The permeate tube protrudes beyond the at least one permeate outlet of the finisher discs. The membrane module according to the invention is characterized in that the permeate tube and the permeate outlet of the finisher discs are aligned in an alternating manner by way of a key-and-groove connection.