Abstract: A liquid chromatographic (LC) system is herein disclosed, the LC system comprising at least one fluidic stream comprising at least one HPLC column, a downstream valve connected to the at least one fluidic stream and connectable to a detector via a valve-to-detector conduit, wherein the at least one fluidic stream is connectable to the valve-to-detector conduit via the downstream valve, and where the LC system further comprises a downstream pump fluidically connected to the downstream valve and connectable to the at least one fluidic stream via the downstream valve in order to backflush and thereby clean the at least one HPLC column. A respective automated LC method is herein also disclosed.

Abstract: Devices and methods associated with these devices for significantly reducing or eliminating liquid (e.g., water) in a water or wastewater treatment unit above the underdrain from moving downwardly into the underdrain during an air only wash cycle of the treatment unit. The treatment unit can take many forms including but not limited to an upflow filter and a downflow filter. The treatment unit may include a filter bed having one or more layers of filter media supported by gravel above the underdrain. The treatment unit may also include an underdrain having a porous plate, slotted plate or slotted upper structure that obviates the need for gravel. Positive pressure is provided to the underdrain to overcome the downward force of the driving head in the treatment unit to significantly reduce or prevent liquid present in the treatment unit above the underdrain from moving downwardly into the underdrain.

Abstract: A drop test measuring system and method of use is described. Embodiments of the drop test measuring system can include, but is not limited to, a control module, a liquid level measuring device, and a remotely located smart device. The liquid level measuring device can be implemented to take measurements that can allow a smart device to calculate a liquid level based on the measurements in addition to other known parameters. Typically, the drop test measuring system can be implemented in a water treatment facility implementing a filter medium.

Abstract: In one embodiment, a material sorting system comprises: a suction gripper assembly, the suction gripper comprising: a body assembly that includes: an internal airflow passage configured to communicate an airflow between an airflow application port positioned at a first end of the body assembly and a gripping port positioned at the opposing second end of the body assembly; a cup fitting attached to the gripping port; a suction cup secured to the cup fitting; an attachable filter inserted into the suction cup and fastened to the cup fitting; and a mounting assembly, wherein the mounting assembly includes one or more mounting points for pivotally attaching the suction gripper assembly to a sorting robot of the material sorting system.

Abstract: A filter device, in particular for lubricating oil filtration, includes at least two filter inserts (27), in each of which a filter material (43) is accommodated. The filter inserts are provided with fluid passage points (37, 39) and can be stacked on top of one another with the formation of a stack. A back-flushing device (55,57) is movably arranged along the inner side of the filter inserts (27). The individual filter inserts (27) are designed as identical parts at least with respect to their housings.

Abstract: A device for separating the constituents of a fluid medium includes an element for separating the constituents, helping to define, upstream and/or downstream from the separation element, a closed chamber, to which at least one conduit is connected. The conduit includes at least one activatable sealing device, the activation of which is capable of at least partially closing and opening the conduit. The device also includes a controller for the activation of the sealing device, controlling the closing and opening, at least partially, of the conduit cyclically, at a frequency greater than 0.008 Hz.

Abstract: In one embodiment, a pool filter backwash assembly is described that comprises a pool filter extension configured to be connected to a backwash outlet of a pool filter and a backwash shower head configured to convert a backwash stream from the backwash outlet to a spray directed away from the pool filter. In some embodiments, the pool filter backwash assembly further comprises a backwash shower extension and an angled adapter. In addition, a method of backwashing a pool filter is described in which a pool filter backwash assembly is attached to a backwash outlet of a pool filter.

Abstract: A barrier system for a dual mechanical seal, the system comprising means for controlling barrier fluid pressure relative to product pressure. The pressure control means comprises means for monitoring the volume of barrier fluid in the system and for supplying additional fluid to the system to maintain the volume within a desired range. The system further comprises means for maintaining the barrier fluid pressure at a pre-determined pressure above product pressure.

Abstract: A device (1) for purification of water driven by gravity through a purification unit between an upper dirt water container (2) and a lower clean water tank (3). A backwash system may be integrated, the system comprising a receptacle (8) for accumulation of the backwash water to prevent consumption thereof by mistake.

Abstract: A system for filtering fluids includes a primary filter (2) having at least one filter element that can be penetrated in one direction during the filtration process and can be penetrated in the opposite direction for a backflushing process. An aftertreatment device (36) is mounted downstream of the primary filter (2) for the backflushed quantities discharged by the primary filter to be processed and includes at least one filter chamber (11) that holds the backflushed quantities and that has a fluid inlet, a fluid outlet and at least one aftertreatment filter element (19). A control device (9) delivers one portion of the backflushed quantity at a time to the associated aftertreatment filter element (19).

Abstract: A system designed to control and filter runoff water in storm drains is presented. Drain water frequently carries trash, organic matter, suspended solids, hydrocarbons, metals, nutrients and bacteria collected from streets and parking lots into a storm drain inlet, which enters storm water drain pipe systems. The present invention supplies a series of baffle boxes inserted in the drain water stream with a final box possessing an upflow filter comprising filtration media and filter cartridges. The system can also support a storm flow bypass that directs high-flow storm runoff water directly to the outlet to protect the filter system.

Abstract: The present invention relates to a water treatment apparatus (1), in particular for supplying water-conducting and/or water-heating household appliances or appliances for producing and preparing food and/or beverages using treated drinking water, e.g. automatic drinks machines, automatic coffee machines, ice machines, cooking and baking appliances, steam generators or high-pressure cleaners, air conditioners or the like using treated water, comprising an agent (3) present in solid form for reducing mineral precipitates. It is characterized in that a first medium which influences the dissolution behavior of the agent for reducing mineral precipitates is provided.

Abstract: An intake device for a pump includes an inlet section extending in a first direction for guiding a fluid, an outlet section for delivering the fluid to an inlet of the pump, the outlet section extending in a second direction perpendicular to the first direction, and a diverting section for diverting the fluid from the first to the second direction, the diverting section connecting the inlet and outlet sections, and having a bottom wall opposing the an outlet opening and a back wall opposing an inlet opening, the inlet section tapering towards the diverting section to decrease a cross sectional area of the inlet section, the diverting section includes a splitter member arranged on the bottom wall that tapers in the second direction towards the outlet opening, and the outlet section includes an essentially bell shaped reducing part for decreasing a cross sectional area of the outlet section.

Abstract: In one embodiment, a material sorting system comprises: a suction gripper assembly, the suction gripper comprising: a body assembly that includes: an internal airflow passage configured to communicate an airflow between an airflow application port positioned at a first end of the body assembly and a gripping port positioned at the opposing second end of the body assembly; a cup fitting attached to the gripping port; a suction cup secured to the cup fitting; an attachable filter inserted into the suction cup and fastened to the cup fitting; and a mounting assembly, wherein the mounting assembly includes one or more mounting points for pivotally attaching the suction gripper assembly to a sorting robot of the material sorting system.

Abstract: In one embodiment, a system includes an intake section including a filter and one or more strain gauges. The system also includes a processor configured to receive strain information for the filter from the one or more strain gauges and determine an operating condition of the filter based at least in part on the strain information.

Abstract: An ion exchanger includes a case that is provided with an opening, an intake port, and a discharge port. The opening opens upward in the case. Coolant is drawn into the lower portion of the case through the intake port and discharged through the discharge port. An ion exchanging resin member and a cap are provided in the case. The ion exchanging resin member removes ions from the coolant. The cap is detachably attached to the case and closes the opening of the case. The ion exchanger further includes a tube member that is arranged to extend vertically in the case. The lower end aperture of the tube member is connected to the discharge port of the case. The upper end aperture of the tube member faces the inner top surface of the lid portion of the cap.

Abstract: A lint removal system for a laundry appliance includes a lint washing assembly adapted to deliver wet lint to a disposal area. An impeller is disposed within a continuous processing chamber of a pump casing, the impeller operable to deliver a fluid from the disposal area to a drain outlet. A blade assembly is disposed within the continuous processing chamber, the blade assembly rotationally operable to process the wet lint from the disposal area to define lint particles that are delivered with the fluid to the drain outlet.

Abstract: A filtration system for liquid, particularly raw water, having at least one filtration module for filtering the liquid, a first inlet pipe for feeding liquid to the filtration module, a second inlet pipe for feeding liquid to the filtration module and at least one outlet pipe for discharging filtrate from the filtration module. A cleaning branch is arranged between the first inlet pipe and the second inlet pipe, and at least one dosing feeder for adding a cleaning chemical is connected to the cleaning branch. Additionally, a method for chemically rinsing such a filtration, wherein a cleaning chemical is added via a dosing feeder connected to a cleaning branch which is arranged between the first inlet pipe and the second inlet pipe.

Abstract: An open architecture desalination system having a field of water desalination using porous micro filtration or ultrafiltration (MF or UF) membranes followed by high pressure reverse osmosis (RO) membranes for salt removal. A novel integrated system with a unique process flow allowing use of multiple UF and MF membrane configurations on same platform is also disclosed. Additionally, the systemutilizes a noble process flow to enable high efficiency operation of the MF and UF membranes thus reducing footprint, longer life of the membranes and reduced energy.

Abstract: A filter apparatus is disclosed herein that includes a filter, such as a cartridge, positioned within a housing. The housing includes a lower-section housing and a cover assembly removably attached to the lower-section housing. The filter apparatus has multiple ports and valves, such as a valve associated with the cover assembly, so as to allow a user to easily switch between various operations on a pool filter, such as between a backwash mode and a filtration mode. The filter apparatus also employs a cage positioned around the cartridge, thereby between the housing and the filter. The cage provides additional support to the cartridge so as to reduce wear and tear of the cartridge. The cover is rotatable about the lower-section housing so as to allow a user to position ports on the cover in any direction.

Abstract: A self-cleaning disc filter apparatus for filtering a liquid, water, utilizing a plurality of stackable/de-stackable disc filter media within a filtering housing, the liquid flows through the housing in two flow directions, a first flow direction during a filtering phase and a second direction of flow during a self-cleaning phase; the filtering housing is fit with an internal fluid diverter that controls the direction of flow through the filter housing, the status of the filtering media, initiating filter media cleaning, therein the internal fluid diverter control the overall status of the filter apparatus, the internal fluid diverter is configured to change between filtering phase and self-cleaning phase with a single turn of the fluid diverter.

Abstract: Continuous mixing in a static mixer possible can be used to add one kind of particles (such as an enzyme granular product) in a small amount to a larger amount of a different kind of particles (such as a powder stream of detergent powder), even if the powder characteristics are substantially different, with substantially no damage to the enzyme particles and with a high degree of homogeneity.

Abstract: A vehicle comprising a hydraulic fluid reservoir, a hydraulic fluid pump, a hydraulic filter, a sensor, and a vehicle control unit. The hydraulic fluid reservoir may have a bottom portion filled with hydraulic fluid and a top portion filled with air. The hydraulic fluid pump may be hydraulically coupled to the hydraulic fluid reservoir so as to draw hydraulic fluid from the hydraulic fluid reservoir. The hydraulic filter may be hydraulically coupled to the hydraulic fluid reservoir so as to filter debris from the hydraulic fluid entering the hydraulic fluid reservoir. The sensor may be in communication with the vehicle control unit where the sensor is configured to measure a variable indicative of a failure status of the hydraulic filter and communicate the variable to the vehicle control unit.

Abstract: Algae harvesting and cultivating systems and methods for producing high concentrations of algae product with minimal energy. In an embodiment, a dead-end filtration system and method includes at least one tank and a plurality hollow fiber membranes positioned in the at least one tank. An algae medium is pulled through the hollow fiber membranes such that a retentate and a permeate are produced.

Abstract: A hemodialysis system includes a blood treatment machine, a blood pump housed by the blood treatment machine, a first dialysate pump housed by the blood treatment machine, a second dialysate pump housed by the blood treatment machine; and a fluid cassette including an upper portion and a lower portion. The fluid cassette further includes a blood pumping tube extending from the upper portion to the lower portion of the fluid cassette, a first dialysate pumping tube extending from the upper portion to the lower portion of the fluid cassette, and a second dialysate pumping tube extending from the upper portion to the lower portion of the fluid cassette.

Abstract: A reverse osmosis membrane apparatus has a plurality of high pressure vessels 12a and 12b in parallel with each other with respect to introducing passage 18 of clarified seawater obtained by subjecting raw seawater to sterilization and removal of relatively large foreign substances. The high pressure vessels 12a and 12b have first-stage reverse osmosis membrane elements 14a and 14b, respectively. Concentrated seawater subjected to membrane separation in the high pressure vessels 12a and 12b flows into a high pressure vessel 16. In the high pressure vessel 16, a plurality of reverse osmosis membrane elements 42 are arranged in series. When a detected value obtained by a differential pressure meter 56a or 56b provided for the high pressure vessel 12a or 12b exceeds a threshold value, introduction of the clarified seawater is stopped, and the reverse osmosis membrane element is washed or replaced.

Abstract: A method of filtering a fluid includes flowing a fluid into a filter assembly. The filter assembly includes a vessel defining a pressure chamber and a filter screen disposed within the vessel. The screen divides the pressure chamber into a first subchamber and a second subchamber. In addition, the method includes flowing the fluid from the first subchamber to the second subchamber, and controlling a first pressure of the first subchamber relative to a second pressure of the second subchamber to induce cavitation in the flowing fluid. Further, the method includes precipitating out dissolved impurities within the fluid during the cavitation.

Abstract: Underdrain units in a sand medium or dual medium filtration system include efficient air, water and combined air/water cleaning. Air, water or both are delivered in backflow direction from a very low position on the underdrain unit, as well as water from a higher position, so as to effectively remove blocking contaminants on the outside the underdrain unit and in the surrounding filter media.

Abstract: Provided herein is a method for reducing down-time in a recreational body of water having a water filtering system and water recirculation system after a potential release of Cryptospridium oocyst and/or Giardia cysts. Also described is a kit for practicing the method for reducing down-time in a recreational body of water that may have a potential release of Cryptospridium oocyst and/or Giardia cysts.

Abstract: A method of filtering a fluid, including flowing a fluid from a first side of a filter member to a second side of the filter member, the fluid containing dissolved impurities. In addition, the method includes inducing fluid cavitation within the fluid to precipitate out at least a portion of the dissolved impurities. Further, the method includes controlling a pressure differential across the filter member. Still further, the method includes, maintaining or further inducing the fluid cavitation within the fluid in response to controlling the pressure differential. Related systems are also disclosed.

Abstract: An apparatus for filtering fluid has a container, a platform positioned in the interior volume of the container in a location above a bottom of the container, and a bag filter extending through a hole in the platform. The bag filter has an inlet and an outlet. The inlet is positioned at or above a top surface of the platform and an outlet positioned below the top surface of the platform such that a fluid passing through the fluid inlet of the container flows into the inlet of the bag filter and outwardly of the outlet of the bag filter so as to flow toward the fluid outlet of the container. A retainer plate is positioned over the platform and has an orifice opening to the inlet of the bag filter.

Abstract: The systems may be used for treatment of water that contains contaminants. Water containing at least one of a nitrate, percholate, chromate, selenate and a volatile organic chemical is combined with nutrients and then is processed in an anoxic-anaerobic bioreactor. The combined effluent may also be oxygenated by dosing with hydrogen peroxide or liquid oxygen. The combined effluent of the bioreactor is dosed with a particle conditioning agent. The combined effluent treated water of the bioreactor is then filtered in a biofilter to produce a treated effluent stream. The influent water and combined effluent of the anoxic-anaerobic bioreactor may also be dosed with hydrogen peroxide to control biomass content in the system.

Abstract: A reverse osmosis treatment device includes: a first pressure vessel for treating an untreated water to produce a primarily treated water and a first permeated water; a second pressure vessel for treating the primarily treated water to produce a secondarily treated water and a second permeated water; a first cleaning solution tank for storing a first cleaning solution for cleaning the first pressure vessel; and a second cleaning solution tank for storing a second cleaning solution for cleaning the second pressure vessel. Each of the first pressure vessel and the second pressure vessel has therein a reverse osmosis membrane element having a reverse osmosis membrane. The first cleaning solution tank is connected to the first concentrate outlet pipe of the first pressure vessel, and the second cleaning solution tank is connected to the inlet pipe for the primarily treated water of the second pressure vessel.

Abstract: There is disclosed a liquid filter system that includes a liquid filter apparatus configured to self-clean without removal of the filter apparatus from the filter system. The filter apparatus uses both a filter media for filtering solids as well as a spin motion imparted to fluid being filtered so that centrifugal force can remove solids from the liquid being filtered. The liquid filter system also includes a gas pulse nozzle in fluid communication with the liquid filter apparatus and is configured to flow gas into the filter media to expel water and debris trapped in the filter media without removing the filter media from the filter system.

Abstract: Black powder flowing with hydrocarbons in a hydrocarbon pipeline is converted into a magnetorheological slurry by implementing wet scrubbing in the hydrocarbon pipeline. A flow of the magnetorheological slurry through the hydrocarbon pipeline is controlled.

Abstract: The present invention relates to a filtering device for fluids, in particular thermoplastics, comprising a screen carrier (2) which has a rotationally cylindrical outer face (41) and is mounted rotatably in a rotationally cylindrical recess (5), adapted to its circumference, of a stationary housing (3) and in which a number of screening nests (6) having filter arrangements (7) are formed along its circumference. According to the invention, there is provision whereby the screen carrier (2) is penetrated by a rotationally cylindrical core part (1) and is mounted rotatably on this, the core part (1) and the housing (3) being designed to be stationary and fixed in terms of rotation with respect to the rotatable screen carrier (2).

Abstract: A siphon drainage type rainfall remote measurement device with self-compensation function is provided. The bottom existence of a rain collection barrel (2) is connected via a flexible tube (14) to the bottom of a rainfall measuring tube (13) to which a siphon (5) is attached. The tube (13) and a measurement instrument (6) are installed on a holding frame (9). The instrument (6) is connected to a pressure sensor (12) and an accumulator (11) at the bottom of the tube (13). The whole device is fixed in an outer barrel (1). According to the pressure of the bottom of the tube (13), the sensor (12) measures the height of the water level in the tube (13) which is directly proportional to the rainfall. The sensor (12) signal processed by the instrument (6) is transformed into the rainfall, processed by a compensation algorithm and sent by GSM or GPRS.

Abstract: The present invention relates generally to a system and method for treating wastewater in a filter media apparatus having a draft tube system. The filter media may be walnut shell media.

Abstract: Fluid filtration devices and methods of filtering fluids are described. The devices generally include a housing and an annular filter assembly, wherein the filter assembly is located inside the housing and comprises a filter material. The filter material may be, for example, an electroformed nickel screen having a smooth working surface and expanding pores. A rotating cleaning assembly comprising a distributor and wipers may be located inside the filter assembly.

Abstract: A fuel-air separator includes a chamber with an interior side-wall surface and adjacent interior top and bottom surfaces. An inlet of the fuel-air separator opens to the interior side-wall surface to admit fuel and air and to cause the fuel and air to flow helically down and along the interior side-wall surface. A diptube opens to the bottom surface and extends along an axis of the interior side-wall surface to a fuel outlet, while the separated air is released to the atmosphere.

Abstract: The disclosed self-cleaning filtration system and self-cleaning filter solves various problems by replacing a standard filter cartridge with an adapter screwed in place of the cartridge, a filter of limited size with a motor for rotating an inlet cover plate and an outlet cover plate over a body with a plurality of longitudinal channels inside of a circumferential filtration media where the different parts of the media are used alternately in forward and backward flow. In another embodiment, instead of entry and drain openings, the oil is placed directly in contact with each longitudinal channel with the exception of the channel in fluidic communication with the drain opening. The self-filtration system includes a self-cleaning filter used in tandem with an adapter, a decanter, and a series of hoses.

Abstract: An apparatus adapted to treat at least one target compound comprising a housing through which fluid may pass; a receiving zone defined within the housing; disposed after the receiving zone within the housing, a destruction zone in which an aqueous solution containing at least one target compound is exposed to a destruction agent, the destruction agent adapted to convert the target compound into destruction byproducts; disposed after the destruction zone, a filtration zone containing a filtration agent adapted to remove the destruction byproducts from the solution; liquid disposal means for receiving solution from the filtration zone; and solid disposal means for receiving solids from the filtration zone, whereby, the target compound is first converted to byproducts, then the byproducts are filtered out of the solution, preventing target compounds from entering wastewater systems and ultimately re-entering the water supply.

Abstract: A water treatment system including a media filter having a filter chamber with a volume to accommodate filter media and a sludge outlet and a charge chamber for storing air. The charge chamber is fluidly connected to the filter chamber and has: (i) an air outlet for admitting air into the filter chamber; and (ii) an air inlet. The system also includes a trigger for selectively allowing the passage of air from the charge chamber air outlet into the filter chamber upon reaching a trigger release point and a sludge concentration/storage volume having at least one wall extending upward to form an upper opening. This wall has a height substantially above the trigger release point and substantially isolates the sludge volume from the charge chamber, except for the upper opening. Finally, an inlet to the sludge volume is at a height which allows pressure within the media filter during a filtration stage to move water above the wall height and into the sludge volume.

Abstract: A cutting fluid filtering device having a filter washing function drives a pump to supply a cutting fluid to a filter when the fluid level of a tank that stores the cutting fluid filtered by the filter becomes equal to or lower than a predetermined height. In addition, the cutting fluid filtering device issues an instruction to execute washing of the filter when the operation times of the pump are totalized and the total value becomes equal to or longer than a preset washing operation interval time of the filter.

Abstract: Grey water is conveyed to a tank, passed through filters, and pumped to an irrigation system. A floating spray component is provided in the tank to automatically backwash the filters to prevent clogging, moving up and down as the level of water in the tank changes. The filters can be cylindrical and oriented vertically, and a removable, internal filter cartridge can mount the filters. The filters can be accessed through a top, above ground cap, and the carriage can be removed for access to other parts by removing a larger lid.

Abstract: An unclogging filter apparatus has an irrigation outlet and a flushing outlet. A filtering element moves between at least an operational position and a flushing position. When the filtering element is in the operational position substantially all of the fluid flowing into the apparatus is directed out the irrigation outlet, while the filtering element is disposed for removing a particle from the fluid flowing into the apparatus. When the filtering element is in the flushing position, the filtering element is disposed for flushing the particle out the flushing outlet.

Abstract: A multi-step press apparatus for sludge dewatering and waste water filtration comprising: a tank, an inflatable membrane, a level sensor, and a nozzle assembly.

Abstract: The water treatment system, particularly reverse-osmosis system, comprising a water line with a plurality of filter stages, is characterized in that before and after at least one filter stage a respective line branches off from the water line, which is provided with a valve adapted to be switched by a control device and leads to a pressure sensor device.

Abstract: A disc filter is provided having a controller for controlling effluent surges that are produced by the disc filter. The method entails sensing one or more process variables that are a function of the effluent, and based at least in part on the sensed process variables, the disc filter controls the flow of effluent in order to control or minimize effluent surges.

Abstract: A mobile liquid treatment station and operation methods are disclosed, the station having a mobile treatment unit and separate mobile treatment management unit. A plurality of serial containment compartments at the treatment unit for performance of chemical dosing and solids separation are provided and are monitored with sensors. The management unit includes a plurality of chemical dosing platforms, and a power and processing assembly. A bus links the units for data and control signal transfer and chemical feed lines are connected between the units for transfer of dosing chemicals.