Abstract: A fluid purification device includes a screen plate, a first filtration layer, a second filtration layer, a third filtration layer, a main body, and a dispensing plate. The screen plate has a plurality of inflow holes for filtering particles in fluid passing therethrough. Around a periphery of the screen plate, several convex sections are arranged and spaced apart from one another. The main body is hollow and has an open top and an open bottom opposite to the open top. Around an inner wall of the open top, several concave sections are arranged and spaced apart from one another. The concave section is shaped in conformity with the convex section, so that the screen plate can be secured to the open top of the main body.

Abstract: Systems and methods for managing the sodium concentration of a dialysate fluid during hemodialysis therapy and adjusting sodium concentration using a sodium management system to generate a sodium-modified fluid are provided. The systems and methods also provide a mechanism for controlled addition of sodium ions to the dialysate to generate a predetermined total sodium concentration in a dialysate.

Abstract: An automated peritoneal dialysis system provides both cycler-assisted peritoneal dialysis treatment. The system includes a fluid preparation and treatment device with concentrate dilution components connected to a source of purified water and medicament concentrate. The treatment device has at least one mixing container connected via a pump and valves to the sources, the valves and the pump mixing and diluting the concentrate to form a medicament. Conductivity sensors are provided for fluid quality measurement, calibration, error trapping, and fluid characterization.

Abstract: Apparatus and method for photo-chemical oxidation are disclosed herein. In one embodiment, a method for regenerating a dialysis fluid includes: flowing the dialysis fluid between an anode and a cathode of a dialysis system, where the anode comprises a plurality of nanostructures; illuminating the anode with a source of light; flowing oxygen through the cathode toward the dialysis fluid; and converting urea in the dialysis fluid into CO2, N2 and H2O thereby regenerating the dialysis fluid.

Abstract: The invention relates to devices, systems, and methods for priming, disinfecting, and preparing dialysate and related fluids for use in dialysis. The dialysate and related fluids can be prepared from solutes obtained from infusate containers seated in an infusate caddy. The infusate caddy can be removably positioned in a receiving compartment of a dialysis machine. Similarly, the infusate containers containing the necessary solutes for preparing the dialysate and related fluids can also be removably positioned in the infusate caddy.

Abstract: A liquid filtration device comprises: filter modules, wherein each of the filter modules has a layer for a bio-film and a first group of particles; and a biobridge, wherein the biobridge is coupled to the filter modules, wherein an input liquid is disposed on the filter modules, and wherein for each of the filter modules the input liquid is filtered by passing through the respective layer and the respective first group of particles.

Abstract: The invention relates to an infusate caddy for carrying, organizing, and operating infusate containers containing solutes for preparing dialysate and related fluids for use in dialysis. The infusate containers can be seated in the infusate caddy, and the infusate containers removed from the infusate caddy for restocking, cleaning, or resupply, as needed. The infusate caddy can be positioned or seated in a receiving compartment of a dialysis machine, and can also be removed, as needed, from the dialysis machine.

Abstract: In one aspect, the present invention provides reactor designs, component designs, and operating schemes for removing nitrates and chemical oxygen demand from any suitable wastewater stream. In another aspect, the invention also provides reactor designs, component designs, and operating schemes designed to modify and improve pH and water quality in wastewater streams.

Abstract: Manifolds suitable for use in hemodialysis, hemofiltration, hemodiafiltration, and peritoneal dialysis are provided. One or more of the manifolds can include a manifold body and an external tube. The manifold body can include at least one conduit including a first conduit and at least one port including a first port in fluid communication with the first conduit. The external tube can be in fluid communication with the first port and can include a main segment, a first branch segment, and a second branch segment containing at least one bacterial filter. The first branch segment and/or second branch segment can include at least one flow restrictor. Dialysis machines, systems, and kits including one or more such manifolds are also provided, as are methods of performing hemodiafiltration using such manifolds.

Abstract: A filtration apparatus includes a screen assembly with a screen having a plurality of through holes, a slidable support to support the screen, and a retainer plate to slidably engage the support for securing the screen between the support and the plate. The support and the plate each define an opening aligned with the plurality of through holes such that a flowable material, such as butter, can pass through the screen. A housing of the filtration apparatus includes a screen assembly receiving portion configured to slidably receive the screen assembly, and a throughput portion for receiving a flowable material that extends through the housing in a direction transverse to the screen assembly receiving portion. A transition couples the housing to a supply line and is for delivering the flowable material to the housing.

Abstract: A directed media separation system includes components for directing a consistent collapse of a media separation device in response to a varying pressure from a pressure source. The media separation device can be removably connected to a directing element. The directing element can have a directing geometry that affects the collapse of the media separation device. The media separation device can have a preset geometry that collapses in a predictable and repeatable manner from the applied pressure.

Abstract: A filtration apparatus (10) for treating a fluid comprises a vessel (12), a first partition plate (18) dividing the vessel into first and second chambers (22, 26) and defining a through hole (40), and a filtration module (30) located within the second chamber (26) and including a body section (32) defining an outer diameter which is greater than the diameter of the through hole (40) in the first partition plate (18). The apparatus (10) further comprises a reducing connector (36) having a first end secured to the body section (32) of the filtration module (30) and a second end sealed relative to the through hole (40) in the first partition plate (18) to permit communication between the filtration module (30) and the first chamber (22). In a disclosed embodiment the apparatus (10) includes a second partition plate (20) such that the vessel is divided into first, second and third chambers (22, 24, 26), wherein the filtration module (30) is mounted between the partition plates (18, 20).

Abstract: A fuel water separator filter that is configured as a filter-in-filter construction with multiple water separating layers to separate water from the fuel. The fuel water separator filter is configured for use on a suction side of a fuel pump, and includes a neck with a radially outward facing seal that in use seals with the filter housing. The filter housing is formed with an isolated water sump that in use is isolated from water that is stripped from the fuel by the first stage of the outer filter.

Abstract: Systems and methods of collecting, treating, and recycling oilfield drilling fluids, used oilfield water, and other wastewater are disclosed. A separator may be used to separate a fluid mixture into one or more liquids and one or more solids. Water, oil, or other liquids may be recovered from the separator and further processed by aeration, filtration, and/or pasteurization, making them suitable for reuse in oilfield drilling and/or fracking operations or other industrial applications, such as truck or equipment washing. Sludge from the separator may be dried to produce dried solids, which may also be used for various applications, such as road base.

Abstract: A gas lift pump apparatus for treating ballast water includes a column through which a liquid medium, such as seawater, may be pumped by gas lift. The apparatus includes a delivery device for delivering a flow of a gas into the liquid medium, and a resonance chamber that generates ultrasonic energy therein by the flow of the gas therethrough. The apparatus is operable to launch the ultrasonic energy into the liquid medium in the column.

Abstract: An apparatus for performing haemodialysis on a patient comprises: first blood transfer means (3) for selectively withdrawing blood from a patient and storing it in a first storage portion (5); second blood transfer means (11) for removing filtered blood from a filtration device (7) and storing it in a second storage portion (13); and a fluid measurement system (51a, 51b) for periodically measuring the respective volumes of blood in the first and second storage portions; adding the volume of blood in the first storage portion to the volume of blood in the second storage portion at that time in order to calculate the total volume of blood within the first and second storage portions at that time; and comparing the total measured volumes of blood within the first and second storage portions measured over a predetermined time interval to calculate the volume of fluid removed from the blood during that predetermined time interval.

Abstract: The present invention relates to a portable water purification system by means of UV LEDs. Provided according to the present invention is a portable water purification system by means of UV LEDs comprising: a support member; a plurality of LEDs mounted on the surface of the support member; a solid filter provided with a through-path into which the support member is inserted; and a cover, attached to one end of the solid filter, for sealing the through-path of the solid filter.

Abstract: A water purification device is provided in the form of a hydrogel matrix containing immobilized nanoparticles that are directly synthesized in-situ in the hydrogel matrix. The hydrogel matrix is temperature sensitive, such that swelling draws in pollutants that are captured by the nanoparticles, while deswelling releases purified water. A related method of decontaminating the water supply contaminated with a target pollutant is also disclosed.

Abstract: The invention discloses an apparatus for sewage deep denitrification with high pollutant carrying capacity and low energy consumption and a method for running the same, characterized in that: the apparatus mainly includes a settling tank, an electrodialysis device, a pH adjusting tank, a first chemical storage tank, a biofilter, a second chemical storage tank, a redox potential measuring device, a backwash pump, and a clean water tank, wherein the biofilter is provided with a gas collecting device, an uniform water distributor, a first filter bed, a second filter bed, a third filter bed, and a fourth filter bed sequentially from up to down, a second dosing port is arranged underneath the second filter bed, and the second chemical storage tank is communicated to the second dosing port respectively through a first flow path and a second flow path.

Abstract: The invention described is a pipe guard that prevents unwanted debris from entering a pipe while still allowing the flow of water. The pipe guard includes braces connecting a mounting flange on the outside of the pipe to a plate within the pipe having a plurality of holes. A bracket extends from one brace to the other between the flange and plate to provide additional support and rigidity to the pipe guard as well as acting as a handle that can be grasped by a worker to remove the pipe guard and material that may build up on the plate. The pipe guard is secured within the pipe by fasteners that extend through threaded holes in the braces and partially embed into the interior wall of the pipe. Accordingly, the pipe guard cannot be pulled free from or knocked loose from the pipe without loosening the screws.