Abstract: Devices and methods for the filtration of particulates from a liquid stream are provided. A filter cartridge includes a housing configured to be placed in-line with a stream of liquid and a plurality of hollow fiber filter members disposed within the housing. The hollow fiber filter members are potted at one end of the housing and configured to capture particulates from the stream of liquid via surface energy. The filter cartridge can provide low pressure loss filtering and is capable of being placed within a small space.

Abstract: A process for treating domestic wastewater may include directing wastewater into a tank containing a membrane filter and mixed liquor. The process may include recirculating wastewater and mixed liquor from a top end of the tank into a bottom end of the tank via a recirculation conduit. The process may include introducing a flow of wastewater and mixed liquor from the recirculation conduit into an aeration device and drawing ambient air into the aeration device using the flow of wastewater and mixed liquor from the recirculation conduit. The process may also include drawing wastewater and mixed liquor proximately surrounding the aeration device into the aeration device using the flow of wastewater and mixed liquor from the recirculation conduit. The process may include aerating a mixture of wastewater and mixed liquor with the ambient air below the membrane filter.

Abstract: According to at least one aspect, the invention provides a filter assembly (100) comprising a tubular housing and a filter device (70) locatable to extend longitudinally within the housing. The filter device (70) comprises a lattice structure of crossing internal and external elongated elements (18, 20). The lattice structure comprises an arrangement of pores (22), and the external elongated elements (20) are presented outwardly of the filter device (70) with respect to the plane of the pores, thereby to provide ribs on the exterior of the lattice which define a shaped channel that will act as a first level filter for larger particles. The external elongated elements are shaped and arranged to provide one or more additional filter levels for smaller particles in advance of said pores, through which yet even smaller particles may pass.

Abstract: The invention is a modular, flexible, thermal, insulating, multilayered enclosure utilizing membrane distillation technology. The enclosure has a heat conducting layer, an insulation layer, and a layer of hydrophobic, polymeric hollow fiber membranes between the insulation layer and conductive layer. The enclosure is wrapped around a heat exhaust to absorb and transfer heat to the hollow fiber membranes to facilitate membrane distillation enabling production of potable water.

Abstract: Apparatus for controlling algae and bio-organisms in bodies of fluids, such as water. The algae control system includes a power unit and a transducer unit that includes a sonic head that radiates in multiple directions. The power unit connects to various power sources, including a mains supply connection, a solar panel array, and/or a battery. The power unit is electrically connected to the transducer unit. The sonic head includes a driver and a transducer subassembly. The driver excites the transducer assembly to emit ultrasonic waves at various frequencies with varying durations of on/off periods. Emissions at a high density of frequencies are enabled by the transducers. The frequencies include the critical structural resonant frequency for each microorganism to be controlled. The power unit and driver each include a processor in communication with each other. The processors store and execute a program for a selected application configuration.

Abstract: A thermal management system includes a space structure, a feed water container, a water feed line, a pump, and a filter device. The space structure includes a heat source connected with a fluid loop for conveying a working fluid through the heat source to regulate temperature and a sublimator connected with the fluid loop to receive the working fluid. The sublimator has a porous surface. The water feed line is connected with the container and the sublimator. The pump is located in the feed water line and is operable to move the feed water from the container to the sublimator. The sublimator is operable to cool the working fluid using the porous surface. The filter device is located in the water feed line between the pump and the feed water container. The filter device includes an adsorbent bed to remove organic compounds.

Abstract: A method for water purification utilizing a cylindrical vessel containing a hydrocyclone nest. The heated contaminated water is fed into the nest, which includes a first set of hydrocyclones, at least one intermediate set of hydrocyclones, and a final set of hydrocyclones, the hydrocyclones in each set arranged in parallel, and each set arranged in series. The heated contaminated water is pumped into the cylindrical vessel such that the heated contaminated water enters a tangential inlet of each of the hydrocyclones, the hydrocyclones separate the heated contaminated water into steam and solids/concentrate, the steam exits through an overflow of the hydrocyclones and a first outlet of the cylindrical vessel, the solids/concentrate exit through an underflow of the hydrocyclones and into the subsequent set of hydrocyclones until the final set of hydrocyclones, and then out through a second outlet of the cylindrical vessel. The steam is condensed into purified water.

Abstract: This dialysis device is configured so that residual liquid in a powder container 42 and a bypass path 51 can be drained. Accordingly, the dialysis device is provided with: a first liquid draining path 71 connecting a clean water supply path 31 to a stock solution supply path 44 on the upstream side of a liquid feed pump 33; a second liquid draining path 72 connecting the clean water supply path to a dialysate discharge path 32 on the downstream side of the liquid feed pump; and an opening path 77 allowing a branch path 43 to communicate with the outer space by opening an on-off valve 78. By opening the on-off valve of the opening path and actuating the liquid feed pump, a liquid in the powder container 42 and a liquid in the bypass path 51 can be discharged through the first liquid draining path and the second liquid draining path.

Abstract: A attachment and detachment apparatus removably attaches a filter container containing a filter, as a part of a filtration apparatus that filters fluid with the filter. The filter container includes a first mounting protrusion having a filter container flow path in fluid communication with the filter. An outer periphery surface of the first mounting protrusion includes at least two curved surfaces respectively formed to be at least a part of an arc surface. The attachment and detachment apparatus includes a first mounting protrusion holding part that holds the first mounting protrusion. The first mounting protrusion holding part having a holding part flow path for the fluid and a notch communicating between an area surrounded by the inner periphery surface and an outer side of the first mounting protrusion holding part.

Abstract: An on-demand filter structure including a first hydrophilic protective layer comprising a first surface exposable to a stream of water. A contact area on the first surface receives the stream. The first hydrophilic protective layer receives the stream and distributes water out a second surface, primarily using gravity. An activated carbon felt (ACF) layer is adjacent to the second surface, wherein the ACF layer is configured for water filtration, primarily using gravity. A second hydrophilic protective layer includes a third surface adjacent the ACF layer and a fourth surface. The third surface receives filtered water from the ACF layer, and the fourth surface expels the filtered water primarily using gravity, wherein the first and second hydrophilic protective layers sandwich the ACF layer. A cross section of the first hydrophilic protective layer, the ACF layer, and the second hydrophilic protective layer has a curvature.

Abstract: An apparatus for use in water purification including a cylindrical vessel comprising, within the cylindrical vessel, a first set of hydrocyclones, at least one intermediate set of hydrocyclones, and a final set of hydrocyclones, the sets of hydrocyclones arranged in series. In one embodiment, the hydrocyclones within each set of hydrocyclones are arranged in a parallel configuration, wherein each set of hydrocyclones is defined by a divider which causes the hydrocyclones in each set to operate in parallel. In one embodiment each hydrocyclone has a tangential inlet disposed within an inlet chamber of the cylindrical vessel and in fluid communication with an inlet connected to the inlet chamber, an overflow disposed within an overflow chamber of the cylindrical vessel, and an underflow disposed within an underflow chamber of the cylindrical vessel. In one embodiment, the cylindrical vessel comprises a first set of hydrocyclones and a second, final set of hydrocyclones.

Abstract: Methods and systems for chromatography are disclosed that employ a flexible container configured to fit within a support structure and adapted to receive a filtration or absorptive medium. The flexible container can include at least one inlet, at least one outlet, and a separation barrier peripherally sealed within the container to separate the container into a resin containing portion and a drainage portion. The barrier can be configured to exclude the resin material from the drainage portion while allowing fluids to pass therethrough. The disposable chromatography system can further include one or more agitators disposed within the flexible container and adjustably configured to be raised or lowered in the flexible container. When the agitator is in the raised position, the resin packing material can operate in a settled, packed-bed configuration. Alternatively, the agitator in the lowered position permits the chromatography resin packing material to operate in a mixed, slurry configuration.

Abstract: A filter device is disclosed having a round filter element having a filter medium body with an open interior. The filter element is installable into a filter housing having a base filter housing and a housing cover, in which an inflow opening of the cover overlaps against and aligns with an inflow opening of a base housing part such they form a continuous inflow opening. A support mesh cage arranged on the radially outer wall of the annular filter medium body. The filter housing has a longitudinally extended cross-sectional shape in which the inflow opening and an outlet opening are both arranged on the base housing part at opposing sides of the base housing part.

Abstract: Methods and systems for reducing the concentration of selenocyanate in water. In the methods and systems, water containing selenocyanate is treated an oxidant to provide oxidant-treated water, which is then contacted with a zero-valent iron treatment system comprising (a) a reactive solid comprising zero-valent iron and one or more iron oxide minerals in contact therewith and (b) ferrous iron.

Abstract: A display device for a medical apparatus including a projection surface arranged on the medical apparatus and configured to present a predetermined display content in a way visible to a user of the medical apparatus, and a projection device arranged on the medical apparatus and configured to project the predetermined display content from a rear side of the projection surface onto the projection surface. The projection surface and the projection device are configured as a head-up display unit for visual field presentation of the display content, and the medical apparatus may be an apparatus for carrying out extracorporeal blood treatment including the display device.

Abstract: The present disclosure generally relates to methods of treating process water using a reactor for generating chlorine dioxide onsite. The onsite generation system may include double ensured precursor feeding, effective reactor, automated control/alarm, and effective product delivery. The reactor may include a mixing device, a first feed line connected to the mixing device, and a second feed line connected to the mixing device. The reactor may include a proximal portion in fluid communication with the mixing device and a distal portion in fluid communication with a motive water line. The mixing device, the reactor, a portion of the first feed line, and a portion of the second feed line may be positioned within the motive water line.

Abstract: A solid waste treatment system includes: a solid-liquid separator module configured to receive mixed solid and liquid waste and separating solid material from the mixed solid and liquid waste; an accumulator and macerator module configured to receive and macerate the solid material from the solid-liquid separator module; a drying module configured to receive and dry the macerated solid material from the accumulator and macerator module; and a combustion module configured to receive and combust the dried macerated solid material from the drying module.

Abstract: A filter attachment and detachment apparatus removably attaching a filter container containing a filter, as a part of a filtration apparatus that filters fluid with the filter, includes a first mounting protrusion at one end of the filter container to protrude from the filter container, the first mounting protrusion including a flow path in fluid communication with the filter inside the filter container, a rotation element to which a first flow path for the fluid is connected, the rotation element including an opening groove configured to receive the first mounting protrusion, and a first mounting protrusion holding part configured to rotatably hold the rotation element.

Abstract: The present invention is a cooking-oil filtration system for automated cooking apparatus which has a solids-removing filter for cleaning cooking oil from the food-fryer and returning oil to the cooking apparatus. The system comprises a solids-removing filter enclosure which includes a plurality of doors having electronically controlled locks with lock-state feedback, a controller including memory and software for controlling the system and a user interface, a number of electrically-controlled pumps, valves, actuators and sensors, the user interface comprising screens with icons representing system set-up, status, and actions.

Abstract: A filtration container assembly generally includes an outer container having a first end and a second end and defining an inner cavity, and a plunging assembly configured to be received within the outer container inner cavity, wherein the plunging assembly includes an inner sleeve having a first end and a second end and an outer wall defining an inner bore, wherein the outer wall is continuous from the first end to the second end, and a filtration assembly coupled to the inner sleeve at the second end.