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Roll-type membrane filter element for water treatment in household conditions Invention relates to the design of a roll-type membrane filter element for treating liquid media and a method of making same. The roll-type membrane filter element for water treatment in household conditions is characterised by that it has a centre tube with radial openings on the length thereof, on which a membrane stack is spirally wound, said stack consisting of a two-ply semi-permeable polymer membrane with an outer selective layer and a drainage fabric for a filtrate collection and removal channel, a vortex grid for the purified water channel, wherein the grid is in form of at least three series-arranged sections of different thickness. A section of the grid with the greatest thickness is placed on the outer surface of the membrane filter element at the purified water inlet, and the section with the least thickness is placed near the centre tube at the concentrate outlet, wherein the ratio of the thickness thereof is in the range of 2.0/1.0-2.5/1.0. The edge of the section of the vortex grid adjacent to the centre tube is wrapped on two sides by a strip of the drainage fabric with grooves in parallel to the tube by a value L=πd, where d is the outer diameter of the tube, and forms an annular channel around the tube for outlet of the concentrate, wherein said channels and ends of the membrane filter element are sealed from each other. Furthermore, the membrane filter element is wrapped in a polymer film having, in the area of inlet of purified water into the membrane element, a row of openings on its entire length, wherein the purified water inlet is made through the outer surface of the membrane filter element, and the concentrate and filtrate outlet is made through the centre tube. |
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Filtration device for treatment of water and other fluids Proposed device comprises two ceramic filtration membranes and their holders. Said ceramic filtration membranes are shaped to plates, each comprising active filtration outer side and one inner filtered water discharge channel. The holder comprises receiving chamber to discharge water fed from discharge channels and receiving devices for tight securing of ceramic filtration membranes thereat so that inner discharge channels are communicated with said receiving chamber. Part of holder comprising receiving devices for ceramic filtration membranes is composed by one-piece formed part. |
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Membrane filter element for aggressive fluids Invention relates to membrane filter for cleaning of aggressive fluids. Membrane filter element consists of hollow porous cylinder 1 of ceramic material, bottom 3 and cover 4 arranged at the ends of said cylinder 1. Membrane 5 made of nano-structured ceramic material as aluminium oxide (α-Al2O3) formed in the flow of erosive aluminium plasma in oxygen medium is applied on outer surface of said cylinder 1. Besides, filter element comprises perforated pipe 2 arranged inside said hollow porous cylinder 1. |
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Membrane module, membrane unit and membrane separator Invention relates to water treatment with the help of membrane module of membrane unit consisting of membrane modules placed one on the other. Membrane module comprises casing to house membrane units. Note here that cross-section of the casing flow channel wherefrom water being cleaned flow is smaller than that wherein said water flows. Note also that every membrane element is a flat membrane. Said casing accommodates water inflow guide to decreased casing flow channel cross-section area Note that said element is arranged so that its surface extends parallel with membrane surface. |
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Container for isolation and identification of microorganism Invention relates to biotechnology. Claimed is container for isolation and identification of microorganism. Container includes upper part, which has wide internal diameter, and lower part, which has capillary tube, middle conic part, connecting said upper and lower parts, and optic window on the bottom and/or on one or more than one wall of container. Optic window is less than 0.1 inch (2.54 mm) thick and is transparent for wavelength of near-infrared, visible and/or ultraviolet light spectrum. Window contains quartz, quartz glass, sapphire, acrylic resin, methacrylate, cyclic olefin copolymer, cycloolefin polymer or any their combination. Capillary tube has internal diameter from 0.01 inch (0.03 mm) to 0.04 inch (1.02 mm). |
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Apparatus for membrane concentration Invention relates to concentration of solutions by ultrafiltration and reverse osmosis and can be used ion food, chemical, pharmaceutical industries, etc. Proposed apparatus consists of the case accommodating moving hollow rod with front part composed by diverging cone and casing with the product discharge union. Proposed device differs from known designs in that rod rear part is shaped to converging cone while second casing with product feed device mounted at aforesaid case. Note that both casings represent moving structures. Note also that one of said casings diverged diffusion layer from the rod expanded part while the second one diverges its from converging part. |
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Membrane apparatus with transient hydrodynamics Invention relates to separation, concentration and desalination of various solutions by reverse osmosis and ultrafiltration and can be used in food, pharmaceutical and microbiological industries, etc. Proposed membrane comprises tubular membrane module composed of porous body with semi-permeable membrane applied thereon, turbulence promoter, initial solution feed pipes and filtrate and concentrate discharge pipes. Said porous body is composed of stationary hollow cylinder with inner surface made up of converging truncated cones sharply changing into cylinders. Turbulence promoter is composed of moving hollow body with outer surface being made of diverging truncated cones sharply changing into cylinders. Said turbulence promoter is fitted in stationary porous body for eccentric rotation and reciprocation actuated by friction assemblies. Note here that angles of inclination of truncated cone and turbulence promoter generating lines are set equal. |
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Apparatus for membrane separation Proposed apparatus comprises moving case with product discharge pipe and housing with circular slits accommodating moving hollow rod. Note here that said housing and rod feature conical convergence. Note also that the case inner configuration has variable cross-section while casing can displace relative to said housing. |
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Filtration module incorporating capillary membranes Invention relates to "from outside-to inside" filtration modules including capillary membranes intended for water or other turbid fluid treatment. Proposed device comprises membrane shutters, each being formed by one row of capillary membranes, lower manifold arranged nearby lower end of membrane shutters and connected therewith, and at least one membrane shutter. Appropriate top manifold arranged nearby upper end of membrane shutter and connected with its capillary membranes is arranged for every membrane shutter. Membrane shutters are arranged vertically while top manifolds are spaced apart to allow fluid flowing upward between membrane shutters and top manifolds. Top manifolds of at least two adjacent membrane shutters are located at different height while capillary membranes of adjacent shutters feature different length. |
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Method, device and system for acid gas Invention relates to field of chemistry. Synthesis-gas from gas-generator 10 is supplied into reactor 64 for conversion of carbon oxide into carbon dioxide. From reactor 64 synthesis-gas is directed into absorption unit 12, containing one or several membrane contact filters 72. Synthesis-gas can be kept in internal volume 74, and in internal volume 76 - solvent. Membrane contact filters are located between two volumes 74 and 76. Ennobled synthesis-gas, leaving unit 12, consisting mainly of hydrogen, is supplied into gas turbine 6. Output gas from gas turbine 6 is supplied into system 8, where gas is caught and used for steam production. Steam, obtained in system 8, is supplied into system 66 for reduction of solvent. |
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Invention relates to production of membranes, particularly, pervaporation composite membranes and may be used for separation of mixes by pervaporation or nanofiltration. Membrane consists of porous backing and coating of poly(1-trimethyl silyl-1-propyne) including filler of aggregates. Coating maximum thickness makes 25 mcm. Proposed method comprises application of poly(1-trimethyl silyl-1-propyne) solution, its evaporation and thermal treatment for removal of residual amount of solvent. |
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Sampling device for collecting hydrogen sulphide from molten sulphur Sampling device for extracting dissolved hydrogen sulphide from molten sulphur has means of feeding and outputting inert gas streams and a membrane in form of a polymer tube. The membrane is provided with a reinforcing wire which is protected by a polymer material. |
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Invention relates to membrane engineering and can be used in biotechnology, geology and analysis of various solutions. Membrane device comprises multistage membrane module. Stages of said module consist of top, mid and bottom discs and membranes arranged there between. It comprises also solution feed pipe and filtrate discharge pipe communicated via channels with stage inner chambers. Multichannel pump connected via pipes with pipes of module every stage, and seals. Module stages are secured together. Top disc bottom surface and bottom disc top surface have annular cutouts with cross-section shaped to rectangular trapezoid. Trapezoid lateral side is located on cutout inner side and features inclination of, at least, 45 degrees. Top surfaces of mid discs mates bottom disc top surface configuration. Mid disc bottom surface mates top disc bottom surface. Mid discs have overflow channels made at annular cutout bottom. Solution feed channels and filtrate discharge channels of every stage are located under membranes while filtrate discharge pipes are shifted in vertical by, at least, 30 degrees relative to each other. |
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Unit for concentration of neon-helium mix Invention relates to separation of multicomponent gas mixes and can be used for extraction of neon-helium mix as byproduct. Proposed unit comprises reducing device with inlet connected with neon-helium mix source composed of air separation unit, booster compressor with suction and pressure lines, target product discharge pipeline and gas separation unit made up of two interconnected first and second diaphragm devices. Low-pressure chamber of the first diaphragm device is communicated via booster compressor with high-pressure chamber of the second diaphragm device. High-pressure chamber discharge line of the latter communicates with high-pressure chamber of the first diaphragm device. Low-pressure chambers of both diaphragm devices are directly connected with booster compressor suction line while discharge line of the latter is connected with pipeline. High-pressure chamber of second diaphragm device is connected to said pressure line via reducing device. |
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Device for fluid treatment and method of its fabrication Proposed device comprises long piece of film composed of multiple layers arranged in zigzag manner. Note here that first film layer is connected with second layer nearby first end. Film second layer is connected with film third layer by second end remote from said first end. Separation elements are arranged between said film layers. Separation element comprises screen layer for fluid to flow there through in the plane and perpendicular thereto. |
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Hollow-fiber membrane module with coated external periphery of membrane Invention relates to hollow-fiber membrane module including fixing layer whereto one or multiple packs of hollow-fiber membranes are secured by moulded resin, each pack including multiple hollow-fiber membranes. Hollow part of each hollow-fiber membrane is exposed at one or both ends while pack of said membranes is divided into set of small packs nearby one of said fixing layers on exposed side of open part. Outer side of every small pack is coated with elastic material nearby fixing layer filtration part interface. |
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Invention relates to filter for membrane filtration of fluids, particularly, to web filter with higher filtration properties. Proposed filter comprises channel to carry filtrate to filtrate discharge opening. Note here that said channel is furnished with one flow constrictor composed of check or control valve, or ledged intended for increasing pressure in filtrate channel. |
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Invention relates to water treatment systems including local systems of tap water preparation from municipal water supply system waters. Proposed device comprises tight hollow housing with inlet and discharge branch pipes to feed water to be filtered and discharge filtered water, ceramic membrane filter arranged inside housing, two electrodes arranged inside ceramic membrane filter and connected with HF voltage source arranged outside filter casing, branch pipe to feed compressed air, and discharge branch pipe. |
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Invention may be used for removal of insoluble admixtures from fluids. Proposed apparatus consists of tank 1, rectangular in plan, equipped with feed and discharge branch pipes 2, 3, sediment collector composed of drive and driven shafts 4 running in bearings. Reel of permeable film is fitted on driven shaft 4. free end 6 of said reel is arranged on surface of permeable web 7 making closed chamber with walls and bottom and secured to driven shaft 8. Permeable film reel, a membrane, is fitted on driven shaft 4. Suction chamber of pump 12 is connected to closed chamber discharge branch pipe 3. In operation, film with deposited slime is reeled on drive shaft 8. In reeling and keeping the reel above water surface, sediment is dehydrated. After dehydration, film reel with sediment is directed to range for solid wastes. In case the tank is equipped with idle shaft 5, driven and idle shafts 4, 5 are located under water level while drive shaft 8 is located above water surface. Note that membrane edge is laid under idle shaft 5 and secured to drive shaft 8. |
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Membrane combined case, membrane case elements and method of their production Invention relates to membranes. Membrane case cylindrical section comprises inner element with radial winding of fibre made thereon, fibre winding and envelopment laid in fibre layer and including, at least, two bearing elements. Proposed method comprises making internal sleeve to coil radial fibre thereon in continuous process and fitted envelopment with two lengthwise bearing elements or envelopment section to receive said lengthwise bearing elements. |
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Method of purifying tetrafluoromethane and apparatus for realising said method Invention relates to an apparatus for purifying tetrafluoromethane. The apparatus is a radial membrane module consisting of high and low pressure chambers separated by a membrane. Each chamber has a distributing disc which provides flow in the high pressure chamber from the periphery to the centre, and in the low pressure chamber - from the centre to the periphery, and at least two flow splitters connected in series or in parallel, which are connected to the inlet nozzle of the high pressure chamber and/or the outlet nozzle of the low pressure chamber and/or simultaneously to the nozzles of the high and low pressure chambers. The invention also relates to a method of purifying tetrafluoromethane using said apparatus. |
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Invention relates to water treatment equipment. Proposed device comprises tight hollow body 9 with inlet and outlet branch pipes 1, 2 to feed initial fluid and discharge treated water, ceramic membrane filter 8 arranged inside said body. Said filter has inner chamber filled with activated carbon 7. Besides, proposed device comprises inductor 6 arranged in said body to surround ceramic filter. High-frequency voltage is fed to said inductor from external generator 5 for heating said filter in electromagnetic field of HF currents. Filter includes also branch pipe for flushing activated carbon 4, drain branch pipe 3 flushing water feed branch pipe. |
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Membrane apparatus with flat filtration elements Invention relates to concentration of solutions by baromembrane microfiltration, ultra filtration and reverse osmosis and may be in microbiology, chemical and food industry, etc. Proposed apparatus consists of sections coupled by flanges bolted together and made up of two membranes arranged in cylindrical shells and alternating with seal gaskets and laid on finely porous back layers resting, in their turn, on rings with drain material arranged there between. Note here that thin silicon inserts are arranged inside said seal gaskets and between two metal plates welded in rubber and connected with ultrasound-frequency oscillation generator. |
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Filtration with inner loading control Invention relates to filtration with inner loading control. Method and device for filtration with fluid flow separation by filtration membrane module with uniform transmembrane pressure and flow density along membrane and inner control over membrane loading by means of intermittent reduction of pressure difference between membrane permeate and retentate sides, and/or cleansing by backflow in separation and extraction and/or treatment of proteins, nucleic acids, biologically produced polymers and other compounds or materials from aqueous fluids. |
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Method of multistage gas mix processing to parameters of its consumption Invention relates to multistage cleaning of gas mix with the help of semipermeable membranes. Proposed method comprises feeding initial gas mix via pipeline into high-pressure chamber of first membrane gas-separation module. Portion of gas flow not penetrated membrane is fed from first membrane gas-separation module high-pressure chamber into second membrane gas-separation module high-pressure chamber. Another portion of not penetrated gas is directed for purging of first membrane gas-separation module low-pressure chamber. Gas flow penetrated from first membrane gas-separation module low-pressure chamber is directed for recovery. Portion of not penetrated gas in second membrane gas-separation module is fed to consuming equipment. Another portion of not penetrated gas is directed to purging of second membrane gas-separation module low-pressure chamber. Note here that portion of flow penetrated from second membrane gas-separation module low-pressure chamber outlet is fed into initial mix feed pipeline. Pressure is reduced in low-pressure chamber of every membrane gas-separation module by means of vacuum compressors. Gas flowing from said chambers is compressed. |
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Method of multistage gas mix processing to parameters of its consumption Method relates to gas mix separation by means of semipermeable membranes. Proposed method comprises feeding initial gas mix into high-pressure chamber of the first gas-separation membrane module. Portion of gas flow not penetrated through membrane is fed from high-pressure chamber of said module into that of second module. Another portion of gas flow not penetrated through membrane is fed for blowing first module low-pressure chamber. Gas flow penetrated through low-pressure chamber of first module is directed for recovery. Gas flow not penetrated through second membrane module is fed to consuming appliance. Note here that gas flow penetrated through low-pressure chamber of second membrane module is directed into initial gas flow feed pipeline. Pressure is reduced by vacuum-compressor in second module low-pressure chamber. Gas escaping therefrom is compressed. |
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Filtration module and its arrangement in filtration system Invention relates to filtration module and may be used in water treatment as a component of reverse osmosis plant and in gas filtration. Filtration module has pressure tube to house membrane with unboiled water feed branch pipe and filtrate and residual fraction discharge branch pipes. Functional/connection unit with top and bottom parts is jointed to pressure tube end. Branch pipes are arranged on top part. Through channels communicated with said branch pipes extend through bottom part. Note here that exposed annular space is provided between pressure tube and membrane. Fluid feed through channel terminates in said bottom part annular gap wherefrom fluid flows into annular space. |
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Method of mass exchange in system of two immiscible fluids and device to this end Invention relates to mass exchange in system of two immiscible fluids for concentration and purification of components, and to device to this end. Proposed method comprises feed of organic (O) and water (W) flows at O:W ratio <0.1 or O:W>10 via vertical column with packing and discharge of flows therefrom. Note here that organic and water flows are forced cyclically through layer of granular macroporous packing with open and communicated pores with prevailing diameter exceeding 10 mcm, particle size of 0.3-1.5 mm, bulk porosity of 20-80% and minor flow selectively wettable phase. Proposed device comprises column with packing, phase intake and discharge valves, furnished with two phase separation chambers arranged at column top and bottom coaxially with column casing. Column top cover is equipped with union and full-opening gate valve for packing loading and unloading. |
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Device for neon concentration in air mixtures containing neon Invention refers to the device for neon concentration in air mixtures containing neon installed in the air separation plant (ASP). The device includes mixture source of ASP and is equipped with dephlegmator 3 of raw neon-helium mixture and membrane unit containing two apparatus 1, 2, connected in series. Membrane apparatus 1, 2 contain membrane made of polymer fibers based on polysulphon. Membrane unit is equipped with recuperative heat exchanger 7, and ASP - with additional dephlegmator 4. Outlet line of the high-pressure chamber 8 of the first apparatus 1 is connected to the inlet of additional neon dephlegmator 4 through the recuperative heat exchanger 7 cooling the mixture. Inlet line of the high-pressure chamber 8 of the first apparatus 1 is connected to the same heat exchanger 7 ensuring temperature of neon-helium mixture up to 263K. Outlet line of the low-pressure chamber 9 of the first apparatus 1 is connected through pressing compressor 6 and recuperative heat exchanger 7 to the inlet lie of high-pressure chamber 10 of the second apparatus 2. Outlet line of the low-pressure chamber 11 of the second apparatus 2 is connected to the pipeline 18 used to separate target product - neon-helium concentrate. Outlet line of the high-pressure chamber 10 of the second apparatus 2 is connected for the recirculation to the inlet of the high-pressure chamber 8 of the first apparatus 1. |
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Film-type filter from hollow fibers Invention relates to film-type filter 7 from hollow fibers for filtration of initial solution on forcing it through film made up of hollow fibers immersed in work bath 24. Filtered fluid discharge channels (12a and 12b) are communicated with filtered fluid discharge pipeline (11) via open-and-shut valves (26a and 26b), respectively, pipeline (11) is communicated with suction port of suction pump (25), open-and-shut valve (30) is communicated with pipeline (11), in its turn, communicated with discharge port of suction pump (25), backwash channels (29a and 29b) are communicated via open-and-shut valves (28a and 28b) with backwash main line (27) branched from the section between open-and-shut valve (30) and section pump (25) of pipeline (11), channels (29a and 29b) comprises multiple hollow-fiber filtration film modules (16a and 16b). |
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Method of extracting hydrogen from hydrogen-containing gas mixture Apparatus for extracting hydrogen from a hydrogen-containing gas mixture has a housing 1 in which at least one hollow membrane element 2 is coaxially placed. The hollow membrane element 2 is an electric heater, at least one end of which is electrically insulated from the housing 1 is connected to an electric power supply bus 3. A catalyst 12 is applied on the surface of the membrane element. The membrane element is made from titanium and palladium is applied on its outer surface. |
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Method for selective removal of component from aqueous liquid Invention relates to a method for selective binding and extraction of at least one component from whole blood or humour, where the blood or humour is allowed to pass through a hard integrated separating matrix without leaking from it. The matrix has a porous structure with pore size ranging from 5 mcm to 500 mcm, as well as an active surface whose area ranges from 0.5 cm2 to 10 m2, and this surface is cable of binding such components. |
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Membrane concentration apparatus Grooved insert is placed inside a membrane with certain spacing from its surface on the entire length of the membrane, said insert being in form of a sector of a cylinder on which there are channels lying at an angle to its axis and one end of said insert being attached to the stem of a rod and the other to movable blades. |
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Proposed module comprises tubular case, set of multiple hollow-fibre membranes arranged in said case, glue-based locking elements to fix membrane set end faces in said case so that initial fluid pass through membrane cavities, transition element for said fluid flow for them to be interconnected by tube of equivalent diameter notably exceeding that of hollow-fibre membrane and distributing inlet element to feed crude fluid into module case nearby one of glue-based locking elements where multiple holes are drilled between membranes to allow feeding fluid along said membranes. |
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Filtration module with capillary membrane This invention relates to filter intended for removing particles from fluid. Proposed device comprises collector head and multiple membrane assemblies with top and bottom surfaces. Bottom surface functionally relates with collector head. Every flat membrane is made up of multiple capillary membranes arranged in line and jointed to separate top head. |
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Method of producing tangential filtration membrane module Invention relates to designing devices intended for separation of liquids or gases, e.g. for air and water cleaning, blood separation in plasmapheresis, etc, with the help of folded membrane elements. Proposed method comprises making folded membrane structure, flow distribution and drain devices, sealing produced structure and potting its faces by sealant. Prior to producing folded structure, membrane as-melted is jointed, by heat, ultrasound or glue, to sidewalls, drain and flow distribution channels. Then, folded structure is produced, top and bottom covers and sidewalls are jointed thereto, and inner space between inlet and outlet branch pipes of top cover is sealed. |
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Invention relates to water treatment. Proposed membrane module comprises casing, filtration elements arranged inside said casing on tube plate with the help of unions with their spaces communicated with hydraulic accumulator chamber and filtration element spaces, bottom feed branch pipe, hydraulic accumulator made up of vessel arranged under casing, feed branch pipe displaced toward casing wall relative to its lengthwise axis, tube plate attached from below to hydraulic accumulator and distributing grid with orifices. Feed branch pipe, lateral and bottom discharge branch pipes are provided with valves. Filtration elements consist of cylindrical porous substrate and nanostructured membrane arranged on outer lateral surface of the latter. Guide plate is arranged under tube plate to form therewith a flat slit-like channel. Lower ends of filtration elements are embedded into appropriate orifices of distributing grid to form annular channels there between. Division shell is arranged inside the casing along its inner lateral surface to form there between an annular channel. Top part of division shell is jointed with guide plate edges. |
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Watertight membrane, filtration element and membrane apparatus Invention relates to membrane extraction of pure hydrogen from gas mixes containing hydrogen. Proposed watertight membrane is made from palladium alloy with raised outer surface with alternating ledges and recesses surrounding each said ledge. Palladium alloy comprises one or several elements from Ib, III, IV and VIII groups of periodic system, while maximum length L of arc on the surface of ledges in their cross section vs length of its projection onto area of base D varies from 1.05 to 1+δ, where δ stands for membrane alloy material plasticity. Invention covers also filtration element comprising claimed watertight membrane and membrane apparatus comprises claimed filtration element. |
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Fluid cleaning membrane module Invention relates to power engineering, transport, petrochemical and other industries. Membrane module comprises housing 4, filtration elements arranged therein and mounted on tube plate 15 with the help of unions 18, hydraulic accumulator 3, feed branch pipe 11, lateral 1 and bottom 10 discharge branch pipes, perforated distributing grid 15 communicated with said branch pipes (1, 10, 11), and valves (5, 6, 7). Filtration elements consist of cylindrical porous substrate 12 and nanostructured membrane 8 constricted by bottom 9 and top 2 adapters from below and above. Unions 18 and distributing grid 14 form annular channels. Flat slit-like channel between tube plate 15 and distributing grid 14 accommodated distributor 13. Top part of distributor 13 is fitted into feed branch pipe 11 to form therewith an annular channel, while its bottom part is arranged to touch solid surface of distributing grid 14. Distributor 13 is mounted with slit clearance relative to bottom surface of tube plate 15. |
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Invention relates to tubular membrane apparatuses intended for fluid treatment, in particular, treatment of pulps and effluents of electroplating shops. Proposed apparatus comprises membrane module made up of membrane filtration elements consisting of two coaxial cylinders. Inner cylinder is made from monofraction coarse sintered carcass with ceramic nanocrystalline binder. Ceramic membrane is made from monofraction coarse sintered carcass with ceramic nanocrystalline binder. Note here that fine carcass is made from material with thermal-expansion factor not exceeding that of coarse carcass material and is bound with coarse carcass by diffusion layer at point-like sintering contacts of fine and coarse monofractions. Carcasses are made from high-density monofractions on ceramic binder with grain size varying from 100 to 500 nm at the ratio between permeable porous volume of coarse carcass and permeable porous volume of fine carcass making 1:1 to 1:2. |
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Membrane module (versions) and membrane device (versions) Invention relates to membrane appliances intended for micro- and ultra-filtration. Membrane module (MM) for separation of media and/or mass exchange comprises set of porous membranes 1, relief elements (RE) 2 and sealing appliances (SA) that form alternating chambers of separated medium (SM) and permeate (P) 9. REs represent threads secured to surface M to form channels oriented along and across chambers SM and P open in direction of SM and P feed. Separation membrane device comprises casing (K) 14, SM manifold 8 with SM feed branch pipe 7 and P manifold 13 with P discharge branch pipe or SM manifolds feed branch pipes 17 and SM discharge branch pipes 18 and P manifold 13 with P discharge branch pipe 12 arranged in MM casing made up of the set of porous membranes with RE and SA that form alternating SM and P chambers, are made up of threads secured to surface M to form channels oriented along and across chambers SM and P open in direction of SM and P feed. |
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Invention relates to composite filter materials for ultra- and micro-filtration and can be used in medicine, pharmaceutics, biotechnology, electronics, chemical, food and other industries. The relief porous membrane has a porous membrane and relief elements in form fibres or fibres and sealing loops attached to the surface of the membrane, which form longitudinal or transverse channels having constant or varying cross section on the surface of the membrane. The method of making the relief porous membrane involves formation of a relief on the surface of a porous membrane by attaching fibres or fibres and sealing loops onto the surface of the membrane. The membrane element has a porous membrane with relief elements or two porous membranes with relief elements and sealing elements, joined to each other to form chambers for the separated medium and permeate. |
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Membrane module of tangential filtration Invention relates to devices intended for separation of fluids or gases by folded membrane elements. Proposed module comprises top cover with filtrated substance feed and concentrate discharge branch pipes, bottom cover with filtrate discharge branch pipe, sidewalls and membrane folded zigzag-like. Drain and flow-distribution devices are arranged between membrane folds. First and second folds of the membrane are tightly jointed to sidewall inner surfaces. Membranes faces are arranged, together with faces of faces of top and bottom covers and sidewalls, in sealant layer. Space between top cover, flow-distribution devices, sidewalls and membrane fold crests between top cover inlet and outlet branch pipes, is sealed. |
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Variable-porosity membrane-type filtration element Invention relates to semi-permeable membrane-type tubular variable-porosity filtration elements to be used in separation of solutions. Membrane element represents tube 1 made from porous fibrous material. Pores are not closed and feature crosswise sizes of one order of magnitude along the length and crosswise sizes decreasing radially along tube length and towards inner cylindrical surface 4 to produce separating layer in the form of semi-permeable membrane. Part of fibrous material pores in at least the area adjoining the tube inner cylindrical surface including separating layer, represents capillars elongated radially. Said material is compressed along the tube body over its length. Note here that compression degree increases radially towards inner cylindrical surface. |
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Membrane module of tangential filtration Invention relates to devices intended for separation of fluids or gases by folded membrane elements. Proposed module comprises coaxial outer 1 and inner 2 cylindrical shells with end covers 8, 9 attached thereto. Filtration membrane 11 is arranged between said covers along their edges in crimped folds. Drain elements 12 are arranged on both sides of the membrane. First and last folds of filtration membrane are tightly interconnected. Outer cylindrical shell has two filtration medium inlet and outlet annular collectors 2 and 3, respectively. Said collectors are arranged nearby the faces of said shell. Inner cylindrical shell comprises channels for collection of filtrate 7. Faces of outer and inner shells and crimped membrane edges are tightly jointed to end covers. Space between outer shell inner surface and membrane crimps crests, in between outer shell inlet and outlet collectors, is properly sealed. |
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Method of processing fluids by gases Invention relates to treatment of fluids by gases and can be used for gasification and aeration of process fluids, water and sewage treatment. Method consists in feeding fluid in hydraulic system, forcing gas through porous elements, mixing fluid and gas and discharging produced mix into hydraulic system. Said porous elements feature 42-48% porosity of membrane layer with pore size of over 0.01 mcm. Reagent or reagents are added to fluid prior to and/or after mixing it with gas. Porous elements are arranged in hydraulic system pipeline and/or in hydraulic system tank. Note here that pressure of gas and fluid in every subsequent element is kept higher than in previous element. Note also that fluid and gas are directed in porous elements in counter flow. |
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Membrane ultra-micro-filtration roll element Invention relates to membrane ultra-micro-filtration elements (MFRE) intended for cleaning process and natural fluids of suspended particles, colloids and bacteria. MFRE consists of filtrate outlet perforated tube with membrane packs wound above separating turbulator net and comprising drain multilayer element wound by semi-permeable membrane and reflecting membrane. Additionally, MFRE is wrapped in outer turbulator net. Separating turbulator net consists of three superimposed net materials, two identical outer adjacent membrane packs adjoining work surfaces and one inerr net material arranged between the latter. |
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Membrane filtering element for aggressive liquids decontamination Invention relates to a membrane filtering element for aggressive liquids decontamination that consists of a hollow porous cylinder 1, a bottom 3 and a cover 4 mounted on the hollow porous cylinder butt-ends. Applied onto the outer surface of the hollow porous cylinder 1 is a membrane 5 fabricated of a nanostructured ceramic material represented by aluminium oxide (α-Al2O3) formed in a flow of erosive aluminium plasma in an oxygen medium. Additionally, the filtering element contains a perforated tube 2 mounted inside the hollow porous cylinder 1. |
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Membrane filtering roll element Invention relates to design of membrane filtering roll elements intended for separation of liquid mediums. Membrane filtering roll element consists of filter discharging perforated tube, sealed adjacent membrane packs and sheets of turbulence promoter. Membrane packs are displaced relative to each other. Besides membrane packs with total number n are arranged in the form of two groups arranged alternately with number n1 and n2 of membrane packs accordingly, at the same time value of membrane packs displacement inside each group and value of membrane packs displacement of the second group relative to membrane packs of the first group are different values. Value of displacement between membrane packs of the second and first groups makes where d is diametre of filter discharging tube. Length of membrane packs of the second group is less than length of membrane packs of the first group by value δ-Δ, where Δ is displacement of membrane packs relative to each other between membrane packs inside every group. |
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Device for mass exchange between liquid and gas phase Invention relates to the field of mass exchange processes in liquid-gas system with the help of porous membranes. Device for mass exchange between liquid and gas includes facilities for supply and discharge of exchanging phases, mass exchange chamber formed by two membranes from porous polymer material, which is not soaked with exchanging liquid phase, between which there is a layer of porous polymer material non-soaked with liquid phase with a system of through channels, besides through channels are arranged with identical dimensions, are arranged in parallel and equidistantly from each other, have permanent configuration and area of cross section in the whole length and are directed from supply system to system of exchanging liquid phase discharge. |
Another patent 2513138.