Abstract: A track for a toy vehicle includes several track units. Each track unit has an upper layer and a spaced apart lower layer. Each of the adjacent units comprises two sections. A first section has an upper side for supporting the toy vehicle and a bottom side. A second section has an upper layer having a top side for supporting the toy vehicle and a lower base. The first section has a first connector, and the second section has a mating second connector. The first and second connectors are connectable so that first and second sections are connectable in an adjacent unit to form an adjacency relationship. Each unit includes a first section and two second sections. Two second sections are located at opposite longitudinal ends of the first section. The first section is bendable in a longitudinal sense substantially parallel to a plane on which a track is directed from one end to the other end in a track running direction.

Abstract: A bobbling toy exciter is provided for gently tapping the bobbling portion of the bobbling toy to create a continuous movement of the bobbling portion. A motor drives a flexible arm in periodic movement which causes the arm to strike the bobbling portion, for example the bobbling head of the toy. A bob or other mass may be added to the end of the flexible arm to more effectively strike the toy. The flexible arm may extend transversely from the shaft of a rotating motor. The flexible arm may also transversely extend from a pivoting vertical rod. The present bobbling toy exciter gently creates movement and action in bobbling toys which would require manual excitation, so that the user may continuously enjoy the bobbling movement.

Abstract: Disclosed is a transforming block toy having an engagement projection on the upper surface thereof and an engagement recess in the lower surface thereof, the engagement recess engaging with the engagement projection, the transforming block toy comprising: a trigger provided on one side surface; and a movable structure that is provided inside the transforming block toy and that moves in cooperation with the trigger. In a block state, the movable structure is housed inside the transforming block toy and does not project from the surface. When the trigger is turned on, the movable structure moves and the transforming block toy transforms into a toy having another shape.

Abstract: The invention is a novelty device that appears to be in perpetual motion when in an active position. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).

Abstract: A vertical and lateral stackable brick assembly includes a mounting brick that has a plurality of sides including a top side, a bottom side, a first side, a second side, a third side and a fourth side. A plurality of male interconnection members is integral to the mounting brick and extends away therefrom. A plurality of female interconnection members is integral to the mounting brick and extends into a surface of the mounting brick. The female interconnection members are located on at least one of the sides. The male and female interconnection members releasably engage bricks from a building brick system and may also engage male and female interconnection members of other mounting bricks. The male interconnection members is positioned on the top side and at least one of the first, second, third or fourth sides includes the male interconnection members.

Abstract: Provided is a wheel-shaped self-assembly connection member including a wheel of a circular shape, and having an internal space that is partitioned into a plurality of fan-like shapes; a protruding circular connector of a cylindrical shape protruding from a center axis of the wheel in a direction to perform as a driving axis, the cylindrical shape having a female void performing as a connector; and circular connectors located in the fan-like shapes in directions of north, south, east, and west in the wheel, each of the circular connectors having a center void performing as a connector.

Abstract: A set of building components is disclosed. The set includes a plurality of blocks and at least one connecting member for connecting and supporting a subset of the plurality of blocks in fixed relative position. Each of at least two of the blocks includes: a pair of parallel end faces, the end faces defining a block thickness therebetween, and a plurality of side faces extending between the end faces. Each of the at least two blocks defines three or more first holes extending between the end faces, wherein the first holes are arranged in orthogonal rows and columns and each pair of adjacent first holes extends in parallel spaced relation to each other. The at least one connecting member includes one or more rod portions that are sized to fit through the first holes of the blocks of the subset.

Abstract: A cooling pond system and related methods of improving cooling performance in a cooling pond system using one or more submerged dams to increase cooling performance within the cooling pond system, and increase salt precipitation or recovery. The inclusion of one or more submerged dams within an existing cooling pond system can reduce an outflow temperature by 1-5° F. as compared to the same cooling pond system without any submerged dams. In addition or alternatively, pond depth can be controlled to enhance flow mixing and convection cooling. As the temperature is reduced throughout the cooling pond system, more potassium containing salts are precipitated from the brine solution resulting in increased production or recovery within the same cooling footprint.

Abstract: Provided is a packed column capable of achieving sufficiently high distillation performance even with the height of its gas-liquid contactors reduced. The packed column is a packed column which includes a gas-liquid contactor 17, 18 inside a tubular body 16 and a liquid distributor 19 in the upper most portion and causes descending liquid and ascending gas to contact each other in the gas-liquid contactor. The operation pressure is in the range of 200 to 1500 kPaG. The relative volatility is in the range of 1.9 to 3.1. The gas-liquid contactor is vertically divided into at least two parts. A gas disperser 20 is provided at at least one position between a lower one of the gas-liquid contactors and an upper one of the gas-liquid contactors, the gas disperser uniformly dispersing the composition of the ascending gas rising from the lower gas-liquid contactor toward the upper gas-liquid contactor.

Abstract: A method for obtaining a liquid from a porous solid phase is described. The method comprises forming a liquid seal at a first end of a porous solid phase to which a liquid is bound, wherein liquid of the liquid seal is immiscible with the liquid bound to the solid phase, and applying a pressure differential across the porous solid phase to cause the immiscible liquid to move through the porous solid phase towards a second end of the porous solid phase, thereby displacing the liquid bound to the porous solid phase towards the second end and releasing this liquid from the second end. Recovery of liquid from the solid phase using such methods is increased compared with corresponding methods in which no liquid seal is formed. In preferred embodiments, the liquid used to form the liquid seal is a mineral oil. The methods have particular application in nucleic acid extractions which utilise capture of nucleic acid to a solid phase. Kits and apparatus for performing the methods are also described.

Abstract: A method for chromatographically separating a first saccharide from a liquid eluent comprising the first saccharide and a second saccharide by passing the liquid eluent through a bed including a polymeric macroporous alkylene-bridged resin in calcium form.

Abstract: A mobile flocculation and water treatment system includes at least one tank, preferably a series of adjoining tanks separated by weirs, and an adjacent pump house mounted on a mobile platform. At least one pump is mounted in the pump house. Fluid conduits run from the pumps to the tank. An overflow is mounted between the downstream tank and the pump house whereby fluid overflow from the tanks is directed into the pump house. The pump house provides a substantially water-tight reservoir zone to provide secondary containment. Water to be treated enters the upstream end of the tanks and is discharged from the downstream end.

Abstract: A spin-on filter cartridge includes a housing, a filter element operably oriented in the housing, a baffle plate, and a seal arrangement. The baffle plate is operably oriented over the housing open end and defines a central flow aperture. The baffle plate also defines a continuous groove immediately adjacent to and circumscribing the central flow aperture. The seal arrangement is secured to the baffle plate and spaced from and circumscribing the continuous groove. A filter assembly including the spin-on filter cartridge and a filter head is also disclosed wherein the filter cartridge is removably mountable on the filter head. When the spin-on filter cartridge is oriented on the filter head, a seal member is received within the continuous groove and the seal arrangement forms a seal between and against the baffle plate and the filter head. The seal can be radial or axial or have both axial and radial components.

Abstract: A suction filter which filters fuel inside a fuel tank of a vehicle to let a fuel pump draw filtered fuel into an inlet port includes a filter element disposed inside the fuel tank and filtering stored fuel stored in the fuel tank by allowing the stored fuel to pass through to an inner space, and a partition wall element disposed in a posture with which to divide the inner space to a first space where filtered fuel filtered at the filter element flows in and a second space where the inlet port into which the filtered fuel is drawn opens, and allowing the filtered fuel in the first space to pass through to the second space. The partition wall element is provided in a form of a partition film dividing the inner space to the first space on an upper side and the second space on a lower side.

Abstract: A device for thickening a cryogenic slurry is disclosed. The device comprises a cryogenic slurry flow path, a cryogenic liquid discharge path, and a filter medium between the cryogenic slurry flow path and the cryogenic liquid discharge path. The cryogenic slurry comprises a solid and a cryogenic liquid. The cryogenic slurry is fed into the cryogenic slurry flow path, generally tangential to the filter medium. This causes a portion of the cryogenic liquid to cross the filter medium into the cryogenic liquid discharge path as a cryogenic liquid discharge and the cryogenic slurry to thicken to produce a thickened slurry. The filter medium comprises a cryogenically-stable material such that adsorption of gases is inhibited, deposition of solids is prevented, and temperature-change induced expansion and contraction of the filter medium is optimized.

Abstract: A method for thickening a cryogenic slurry is disclosed. The method comprises providing a cryogenic slurry flow path, a cryogenic liquid discharge path, and a filter medium between the cryogenic slurry flow path and the cryogenic liquid discharge path. The cryogenic slurry comprises a solid and a cryogenic liquid. The cryogenic slurry is fed into the cryogenic slurry flow path, generally tangential to the filter medium. This causes a portion of the cryogenic liquid to cross the filter medium into the cryogenic liquid discharge path as a cryogenic liquid discharge and the cryogenic slurry to thicken to produce a thickened slurry. The filter medium comprises a cryogenically-stable material such that adsorption of gases is inhibited, deposition of solids is prevented, and temperature-change induced expansion and contraction of the filter medium is optimized.

Abstract: Provided is a dry filter, including: a barrel; a first end cover and a second end cover; a first filter layer, provided at an end, close to the first end cover (20), in the barrel (10); a dry layer, provided in the barrel and located at a side, away from the first end cover, of the first filter layer, the dry layer including a first filter plate and a second filter plate, the second filter plate and a barrel wall of the barrel forming a dry chamber; and a first fixing structure, defining the position of the second filter plate in the barrel, such that a buffer chamber is formed between the second filter plate, an inner wall of the barrel and the second end cover. The dry filter solves the problems of easy accumulation of impurities on a filter plate of an existing dry filter and low utilization rate.

Abstract: The invention relates to a filter apparatus having a plurality of filter elements (21) which can be accommodated in a filter housing (1) with a filter inlet (11) for fluid to be filtered and a filter outlet (13) for the filtered fluid, wherein during the operation of the device at least one of the filter elements (21) can be backflushed by means of a backflushing device for cleaning its effective surface, which backflushing device includes a pressure control device (7) to support the backflushing, characterized in that the filter elements (21) are each accommodated in an element housing (30), the element housings (30) with the filter elements (21) performing the filtration process are connected to the fluid outlet (13) by their one open end (33) in a fluid conducting manner, and the element housing (30) of the respective backflushable filter element (21) is exclusively connected with its one open end (33) to the pressure control device (7).

Abstract: A filter insert is provided for being removably arranged in a filter housing and includes a first actuation arrangement positioned at a first end of the filter insert, wherein the first actuation arrangement is adapted for being actuated by a corresponding second actuation arrangement of a filter housing lid for controlling a relative, axial movement between the filter insert and the filter housing lid.

Abstract: The invention relates to a filter device with a filter element (1) which can be received in a filter housing that consists of at least two interconnectable housing parts (17, 19). The filter element (1) can be fixed to a housing part (19) in a removable manner by means of a screw connection (32, 33), and an additional screw connection (17, 41) is provided for connecting the housing parts (17, 19). The invention is characterized in that in order to transmit a torque between threaded elements (33) of the screw connection (32, 33) and of the additional screw connection (41), said threaded elements being rotatable relative to each other, a coupling device (43, 46, 61) is added which allows an additional rotational movement of the threaded element (17) of the additional screw connection (41) when the threaded element (33) of the screw connection (32, 33) reaches the fixed rotational state.

Abstract: A screen, for a vibrating screen device, has a frame and a screen surface. The frame has a periphery and a middle portion wherein the periphery is constructed of elongate material portions. The middle portion has middle supports including tubing having a cross-section of an ovular shape.

Abstract: A closed lubrication or hydraulic system that eliminates the traditional breather cap and includes (1) oxygen absorber that removes oxygen molecules and (2) a desiccant to dry the air that communicates with hydraulic fluid or lubricant in a reservoir. A metallic heat conduction rod is partially exposed to internal air and partly exposed to ambient air. The conduction rod is in close proximity to the oxygen absorber and desiccant in the cartridge. A cool portion on the conduction rod attracts hot humid internal air causing condensation of water near the surface of the conduction rod.

Abstract: The prevent invention addresses the problem of providing a filter cloth for a bag filter, which has excellent collection efficiency, has excellent collection efficiency, provides low pressure drop and is resistant to clogging, and also has excellent dust-off ability; a method for producing the same; and a bag filter. As a means for resolution, a nonwoven fabric containing an ultrafine fiber having a fiber diameter D of 200 to 2,000 nm is laminated on a base material to form a filter cloth for a bag filter.

Abstract: The disclosure provides a particle separator for removing aerosolized particles from exhaust emissions from a preconditioner or other apparatus. The separator comprises an enclosure with at least two baffles linearly spaced from one another therein. At least two baffles prevent the exhaust from linearly flowing directly from an inlet through the separator to an outlet. Each baffle is positioned at an angle relative to the linear flow of exhaust into the separator and a distance from an inner surface of the separator. This places a leading edge within the exhaust flow to redirect a portion of the flow, thereby promoting impact of particles on a portion of the inner surface of the separator, while also providing a surface that collects particles in the flow that impact the baffle surface. The separator and baffle surfaces can be cleaned through an access. The separator can be box- or tube-shaped or other configuration.

Abstract: Air cleaner assemblies, components, and features are described. The features can be used to provide that the air cleaner assembly cannot be fully closed, even if a cartridge is nested therein, and appears to be sealed, unless that cartridge is a proper one for the system of concern. The effect is to prevent an inappropriate cartridge, that does not properly seal, from being inadvertently installed in the assembly.

Abstract: The present utility model discloses an air-purifying apparatus. The air-purifying apparatus comprises a filter screen, filter screen type determining component, and filter screen service life determining component. The filter screen is for filtering particles and at least one of specific chemical matters in the air. The filter screen determining component is configured to determine a type of the filter screen. The filter screen service life determining component is configured to determine whether the filter screen needs to be changed according to the determined type of the filter screen and a use condition of the filter screen. With the air-purifying device of the present disclosure, remaining service lives of the filter screens of different types or specifications may be obtained, then a user may be prompted when the filter screen needs to be changed, thereby allowing the user to maintain a good air-purifying effect at any time.

Abstract: A method for removing acid gas from feed gas, comprising: alternating input of feed gas between beds of adsorbent particles that comprise zeolite SSZ-98 or SSZ-105; wherein gas contacts one of the beds during an adsorption and tail gas is vented from another bed by desorption; wherein a product gas containing no greater than about 2 Mol % carbon dioxide is produced, and methane and ethane are recovered. A method for removing acid gas, wherein the product gas contains 1 wppm H2S or less. A process for removing acid gas from feed gas, comprising adjusting selectivity of an adsorbent by changing a substitution of ERI phase with LEV phase in an intergrown molecular sieve. A process for removing acid gas from a feed gas, comprising: contacting a feed gas with adsorbent comprising a molecular sieve having a defined intergrowth of an ERI phase and a LEV phase.

Abstract: Water-saturated desiccant in a dehydration unit, having previously been used to dehydrate natural gas, is regenerated in a closed loop process using liquid petroleum gas (LPG). LPG is pumped from a storage tank, vaporized and superheated. The superheated LPG gas enters the dehydration unit such that the hot gas passes over the desiccant thereby regenerating the desiccant. An overhead stream from the dehydration unit passes to a condenser where the temperature of the hot gas from the dehydration unit is dropped to form a fluid stream containing LPG, water and non-condensable gases. The fluid stream passes to a three phase separator for separating the fluid stream into a gas stream, a water stream, and a liquid stream containing LPG which is then returned to the storage tank for reuse in the closed loop process.

Abstract: A CO2 recovery device includes: a CO2 absorption tower in which CO2 included in an exhaust gas is absorbed by a CO2 absorption liquid; and a CO2 absorption liquid regeneration tower that heats and regenerates the CO2 absorption liquid that has absorbed CO2. The CO2 absorption liquid regeneration tower includes: a main body part in which the CO2 absorption liquid is temporarily stored; a boot part provided downward from a tank end of the main body part, having a relatively smaller capacity than the main body part; a flowmeter provided to the boot part, and measuring the liquid surface level of the CO2 absorption liquid that changes between the main body part and the boot part; and a control device controlling the liquid surface level of the CO2 absorption liquid between the main body part and the boot part on the basis of the measurement result of the flowmeter.

Abstract: An absorbent for selective removal of hydrogen sulfide from a fluid stream comprising carbon dioxide and hydrogen sulfide, which comprises a) 10% to 70% by weight of at least one sterically hindered secondary amine having at least one ether group and/or at least one hydroxyl group in the molecule; b) at least one nonaqueous solvent having at least two functional groups selected from ether groups and hydroxyl groups in the molecule; and c) optionally a cosolvent; where the hydroxyl group density of the absorbent ?abs is in the range from 8.5 to 35 mol(OH)/kg. Also described is a process for selectively removing hydrogen sulfide from a fluid stream comprising carbon dioxide and hydrogen sulfide, wherein the fluid stream is contacted with the absorbent. The absorbent features good regeneration capacity and high cyclic acid gas capacity.

Abstract: The present invention provides a carbon dioxide absorbent comprising a primary amine and a dialkylene glycol dialkyl ether or trialkylene glycol dialkyl ether. The carbon dioxide absorbent according to the present invention has an excellent carbon dioxide absorptivity, absorption rate and regeneration property.

Abstract: A class of water lean, organic solvents that can bind with various acid gasses to form acid gas bound molecules having a high degree of intramolecular hydrogen bonding which enables their use as regenerable solvents for acid gas capture. Unlike the other devices described in the prior art, the present invention takes advantage of shortened distances between the portions of the molecule that form hydrogen bonds within the structures when loaded with an acid gas so as to create a molecule with a higher internal bonding affinity and a reduced proclivity for agglomeration with other molecules.

Abstract: Disclosed is a desiccant cartridge (10) for drying and de-oiling a gaseous fluid, and a method for flow guidance within the desiccant cartridge. The desiccant cartridge and a housing (12) having positioned therein an inner pot (28) in which an oil separating medium (50) for oil particles contained in the fluid and a desiccant (52) for drying the gaseous fluid are arranged one after the other in the direction of the housing longitudinal axis (14). The housing (12) has a housing base (18) having a centrally arranged inlet (20) for the fluid to be dried and de-oiled and having eccentrically arranged outlet openings (24) for the dried and de-oiled fluid. During normal operation of the desiccant cartridge (10), the gaseous fluid guided into the desiccant cartridge (10) via the central inlet (20) is first guided in a flow through the oil separating medium (50) and then through the desiccant (52).

Abstract: A hydrogen gas dryer or system for drying or removing water from hydrogen gas for use in hydrogen-cooled generators includes a drying tower or column comprising a housing, a heater, a desiccant, and a controller. The system is configurable and operable for regeneration of the saturated column, with activation of the heater to cause water retained in the saturated desiccant to turn into steam such as steam and exit on its own via the vent. A supply of generally dry hydrogen is used to purge the remaining vaporized water from the isolated substantially dry regenerated desiccant.

Abstract: An electrochemical device suited to modifying a carbon dioxide concentration in an interior space includes a cathode chamber with an inlet which receives a feed gas containing carbon dioxide. A reduction catalyst layer in the cathode chamber reduces carbon dioxide in the gas to form an ionic carrier species. An anode chamber with an outlet outputs a gas comprising carbon dioxide. A solid electrolyte membrane spaces the anode chamber from the cathode chamber and transports the ionic carrier species between the cathode chamber and the anode chamber. The membrane includes an ionic liquid. An oxidation catalyst layer in the anode chamber oxidizes the ionic carrier species to form carbon dioxide. A voltage source provides a voltage difference across the membrane.

Abstract: A method and system for collecting gaseous nitrogen compounds into an aqueous solution are provided. The method enables the combination of gaseous sulfur and nitrogen compounds in the aqueous solution to generate ammonium compound components, to include ammonium sulfate. Sulfur may be pressure injected into the solution as gaseous sulfur dioxide. Optionally, carbon may be introduced into the solution as gaseous carbon dioxide. The sulfur may be earlier sourced by a burning of a sulfurous solid. The pH of the solution may be monitored and the introduction of ammonia, carbon and/or sulfur may be halted or constrained while the pH of the solution is measured outside of specified range. The solution may be allowed to age to permit a mix of compounds of ammonium carbonate, ammonium bicarbonate and ammonium carbonate to restabilize and thereby encourage a renewed surge of ammonium sulfate generation.

Abstract: A method is provided for making a magnesium(Mg)-iron(Fe) complex oxide. The Mg—Fe complex oxide is used for separating and purifying carbon dioxide (CO2). The present invention solves the problem of using iron ore in chemical looping combustion. The present invention comprises the following steps: At first, iron ore and magnesium nitrate (Mg(NO3)2.6H2O) are impregnated for reaction. After sieving within a fixed range of size, calcination is processed to obtain the Mg—Fe complex oxide. Not only the problem of using iron ore in chemical combustion loop is effectively solved; but also the whole procedure can be looped for a long time with a high CO2 conversion rate.

Abstract: A promoted activated carbon sorbent is described that is highly effective for the removal of mercury from flue gas streams. The sorbent comprises a new modified carbon form containing reactive forms of halogen and halides. Optional components may be added to increase reactivity and mercury capacity. These may be added directly with the sorbent, or to the flue gas to enhance sorbent performance and/or mercury capture. Mercury removal efficiencies obtained exceed conventional methods. The sorbent can be regenerated and reused. Sorbent treatment and preparation methods are also described. New methods for in-flight preparation, introduction, and control of the active sorbent into the mercury contaminated gas stream are described.

Abstract: A promoted carbon and/or non-carbon base sorbent are described that are highly effective for the removal of mercury from flue gas streams. The promoted sorbent comprises a carbon and/or non-carbon base sorbent that has reacted with and contains forms of halogen and halides. Optional components may be added to increase and/or preserve reactivity and mercury capacity. These may be added directly with the base sorbent, or in-flight within a gas stream (air, flue gas, etc.), to enhance base sorbent performance and/or mercury capture. Mercury removal efficiencies obtained exceed conventional methods. The promoted sorbent can be regenerated and reused. Base sorbent treatment and preparation methods are also described. New methods for in-flight preparation, introduction, and control of the active base sorbent into the mercury contaminated gas stream are described.

Abstract: Apparatuses, systems, and methods for removing acid gases from a gas stream are provided. Gas streams include waste gas streams or natural gas streams. The methods include obtaining a hypochlorite and a carbonate or bicarbonate in an aqueous mixture, and mixing the aqueous mixture with the gas stream to produce sulfates or nitrates from sulfur-based and nitrogen-based acidic gases. Some embodiments of the present disclosure are directed to produce the carbonate and/or bicarbonate scrubbing reagent from CO2 in the gas stream. Still others are disclosed.

Abstract: Sulfurihydrogenibium sp. carbonic anhydrase (SspCA) or mutants thereof catalyze a hydration reaction of CO2 into bicarbonate and hydrogen ions or a desorption reaction to produce a CO2 gas. Sulfurihydrogenibium sp. carbonic anhydrase (SspCA) having improved thermostability in the presence of carbonate ions as compared to in the absence of carbonate ions are useful in the capture of CO2 from a CO2-containing gas.

Abstract: It is an object of the present invention to downsize facility for removing or reducing concentration of hydrogen sulfide and oxygen in gas and reduce facility cost. Syngas g contains hydrogen sulfide and oxygen as target constituents of removal or reduction in concentration. Hydrogen sulfide content and oxygen content in the syngas g are measured in a preceding measurement part 13. Then, the syngas g is contacted with desulfurizing agent 14a including iron oxide. Selection is made whether to further execute deoxidization in a deoxidizing part 16 or omit or simplify the deoxidization according to results of measurements in the preceding measurement part 13.

Abstract: The present invention relates to a seawater desalination system for desalinating seawater by removing salinity from the seawater and an energy recovery apparatus which is preferably used in the seawater desalination system. The energy recovery apparatus includes a cylindrical chamber (CH) being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port (P1) for supplying and discharging the concentrated seawater, a seawater port (P2) for supplying and discharging the seawater, a flow resistor (23) provided at a concentrated seawater port (P1) side in the chamber (CH), and a flow resistor (23) provided at a seawater port (P2) side in the chamber (CH).

Abstract: A water filtration system (100) is provided. The water filtration system (100) includes: a filter cartridge assembly (10), a water-intake pipe (20), a purified-water pipeline (30), a pure-water pipeline (40) and a waste discharge pipeline (50). The filter cartridge assembly (10) has a water inlet (110), a purified-water outlet (120), a purified-water return port (130), a pure-water outlet (140) and a waste discharge port (150). The pure-water pipeline (40) is communicated with the pure-water outlet (140), and the pure-water pipeline (40) has a pure-water external port (410) and a second valve (420) configured to control on and off of the pure-water pipeline (40). The waste discharge pipeline (50) has a first end communicated with the waste discharge port (150) and a second end communicated with an outside.

Abstract: A water filtration system (100) includes a filter cartridge assembly (10), a water-inlet conduit (20), a purified-water conduit (30), a pure-water conduit (40) and a waste-discharge conduit (50). The filter cartridge assembly (10) has a water inlet (110), a purified-water outlet (120) and a purified-water outlet (140). The water-inlet conduit (20) is in communication with the water inlet (110). The pure-water conduit (40) is in communication with the pure-water outlet (140). The purified-water conduit (30) is in communication with the purified-water outlet (120) and has a first valve body (320) configured to control on and off of the purified-water conduit (30). The waste-discharge conduit (50) is in communication with the purified-water conduit (30).

Abstract: Provided is an agent and a liquid for cleaning an RO membrane to remove effectively foulants that can not be sufficiently removed with conventional cleaning agents when an RO membrane particularly an aromatic polyamide RO membrane has been used for water treatment and has become fouled resulting in degradation of performance such as permeation flux, pressure difference, and salt rejection rate. The agent for cleaning an RO membrane includes an aliphatic amide and/or an aromatic amide. Also provided is a method for cleaning an RO membrane with the cleaning agent or the cleaning liquid. The aliphatic amide and/or the aromatic amide particularly an aliphatic amide and/or an aromatic amide being soluble in water and having a relatively low molecular weight remove effectively foulants adhered on an aromatic polyamide RO membrane.

Abstract: A method of integrity testing porous materials that is non-destructive to the material being tested. The method includes humidifying the inlet gas stream to minimize or prevent the porous material from drying out. The inlet gas stream includes at least two gases, wherein one of the gases has a different permeability in liquid than the other, such as oxygen and nitrogen. The permeate gas stream may be subjected to a driving force such as reduced pressure to increase the flow of gases and reduce test time. Multiple porous materials can be integrity tested at the same time, such as by manifolding a plurality of them together. The integrity test is capable of detecting the presence of oversized pores or defects that can compromise the retention capability of the porous material.

Abstract: The present disclosure relates, according to some embodiments, to methods of marker based direct integrity testing of at least one membrane comprising: (a) dosing a feed fluid of a loop with at least one marker comprising at least one challenge particle, the loop comprising: the feed fluid; a pump comprising an outlet stream; a membrane module comprising the at least one membrane and a membrane module outlet stream, wherein the membrane module is in fluid communication with the outlet stream; a marker recycle stream in fluid communication with the membrane module outlet stream and the pump; and a means to measure particle concentrations; (b) circulating the feed fluid through the membrane module at least once to produce a filtrate comprising a filtered at least one marker; (c) measuring a filtrate particle concentration of the filtered at least one filtered marker in the filtrate to produce a filtrate concentration measurement; and (d) calculating a log removal value from the filtrate concentration measuremen

Abstract: The present disclosure discloses a method for preparing a metal-organic framework filter comprising the steps of bringing metal sources into contact with organic ligands and forming a metal-organic framework filter on substrates by a hot-pressing method. By the method of the present disclosure, a large amount of metal-organic framework filters with high purity can be obtained quickly and easily, thereby realizing industrialized production and application and the method has such advantages as low cost, simple operation, rapid production, batch product and high purity.

Abstract: Described herein is a filtration media comprising: (i) a first filtration medium comprising an anion exchange nonwoven substrate, wherein the anion exchange nonwoven substrate comprises a plurality of quaternary ammonium groups; and (ii) a second filtration medium comprising a functionalized microporous membrane wherein the functionalized microporous membrane comprises a plurality of guanidyl groups; wherein the first filtration medium is positioned upstream of the second filtration medium.