WO2004014530A1 - Procede de production d'un module de membrane a fibres creuses en metal ou en ceramique - Google Patents
Procede de production d'un module de membrane a fibres creuses en metal ou en ceramique Download PDFInfo
- Publication number
- WO2004014530A1 WO2004014530A1 PCT/NL2003/000570 NL0300570W WO2004014530A1 WO 2004014530 A1 WO2004014530 A1 WO 2004014530A1 NL 0300570 W NL0300570 W NL 0300570W WO 2004014530 A1 WO2004014530 A1 WO 2004014530A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fibres
- membrane module
- fibre
- mould plate
- ceramic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/022—Encapsulating hollow fibres
- B01D63/0221—Encapsulating hollow fibres using a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/022—Encapsulating hollow fibres
- B01D63/023—Encapsulating materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/031—Two or more types of hollow fibres within one bundle or within one potting or tube-sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/061—Manufacturing thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0046—Inorganic membrane manufacture by slurry techniques, e.g. die or slip-casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0083—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/022—Metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/162—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using bonding or sealing substances, e.g. adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/22—Thermal or heat-resistance properties
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/522—Oxidic
- C04B2235/5224—Alumina or aluminates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5252—Fibers having a specific pre-form
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5284—Hollow fibers, e.g. nanotubes
Definitions
- the invention relates to a method for making a membrane module, in particular for exchangers for use in micro-, ultra- or nanofiltration or the separation of gasses, comprising a bundle of hollow fibres with a flange at each end, which method comprises the following steps: positioning the hollow ceramic or metal fibres with one end on a mould plate, making a ceramic or metal flange in the mould plate between and round the ends of the fibres, removing the mould plate, removing the binder in the flange and/or the fibres using thermal diffusion, and sintering the flange and/or the fibres.
- the flange is made by filling the mould plate with a ceramic slurry prepared beforehand and then sintering the fibres and the slurry into a solid ceramic obj ect.
- the slurry is selected in such a way that the difference between the thermal coefficient of expansion of the flange and that of the fibres is less than 5,10 "6 K "1 .
- An objective of the invention is to provide a method of the type described in the preamble which is simpler and less expensive than the known method.
- the method according to the invention is characterized in that the positioning of the ends of the fibres on the mould plate is done by placing at least one rod in each fibre, which protrudes from that fibre at least at one end, and then inserting the free ends of the rods into openings in the mould plate, and making the flange is done by heating the ends of the fibres until they flow and fill the mould plate.
- the flange is made from parts of the non-sintered fibres by heating them until they become fluid.
- the fibres can be made in accordance with the method described in European patent application EP-A-0693 961 in which a paste, consisting ofapolymer binding system filled with a ceramic powder, is made plastic by heating, and formed into hollow fibres by means of melt-extrusion with a spinning head.
- An embodiment of the method according to the invention is characterized in that apart from the fibre mentioned above an additional fibre is placed on each rod, which after being positioned is situated between the fibre mentioned above and the mould plate, and when heated these additional fibres become fluid and form the flange.
- this additional fibre is a so-called 'green' fibre which means that it is a non-sintered fibre.
- the fibre mentioned above is preferably sintered so that only the additional fibre becomes fluid when heated. In this way, by selecting the length of the additional fibres, it is easy to arrive at the amount of material required for the flange, and while being heated it is not necessary to pay attention to the length required of " the fibres which must become fluid in order to make the flange.
- a further embodiment of the method according to the invention is characterized in that the rods protrude from the fibre at both ends and each end is placed in a mould plate. Because of this, a flange can be made at each end of the fibres simultaneously. If additional non-sintered fibres are used according to the embodiment described above, then an additional fibre should be placed on the rod at each end of the fibre.
- Still a further embodiment of the method according to the invention is characterized in that apart from the rod mentioned above, an additional rod is placed in each fibre, in which one end of the rod protrudes from one end of the fibre and the end of the additional rod protrudes from the other end of the fibre, and in which the ends of the rod and the additional rod protruding from the fibre are placed on a mould plate and on an additional mould plate respectively.
- the advantage of this is that length of the fibres is not limited to the rods' length.
- a further important advantage of this is that the fibres do not have to be straight, as a result of which any fibres which are crooked due to the manufacturing process are not a hindrance in making the membrane module.
- the mould plate and the fibres are pressed towards each other while being heated.
- a further favourable embodiment of the method according to the invention is characterized in that the method also comprises the following steps: the preparation of a ceramic suspension or an inorganic sol, the placing of the suspension or sol in a tank that is connected at its bottom by a hose to the bottom of a vertically positioned membrane module, the moving upwards of the tank from a position lower than the membrane module, as a result of which the suspension or sol flows to the membrane module through the hose and fills the inside of the fibres, the moving downwards of the tank, as a result of which the fibres are emptied, the uncoupling of the hose from the membrane module, the drying of the membrane module, and finally the heating of the membrane module, through which the coating is calcined.
- the coating is made from the ceramic suspension or inorganic sol.
- Another favourable embodiment of the method according to the invention is characterized in that the method also comprises these steps: the preparation of a ceramic suspension or an inorganic sol, the putting of the suspension or sol in a tank that is connected by means of a feed line to one end of the membrane module and by means of a return line is connected to the other end of the membrane module, the regulated pumping of the suspension or sol through the inside of the fibres for a specific period of time, as a result of which the suspension or sol forms a deposit on the inside of the fibres, the uncoupling of the feed and return lines from the membrane module, the drying of the membrane module, and finally the heating of the membrane module, through which the coating is calcined.
- the invention also relates to a membrane module made in accordance with the method according to the invention.
- membrane module is meant here a bundle of hollow fibres which are connected to flanges at their ends.
- Such a membrane module is a half-finished product for, among other things, exchangers, for example, for use in microfiltration, ultrafiltration or the separation of gasses.
- Figure 1 shows a set-up during employment of the method according to the invention for making a membrane module
- FIG. 2 shows a membrane module made in accordance with the method in Figure 1;
- FIG 3 shows an exchanger fitted with the membrane module shown in Figure 2.
- This membrane module 1 see Figure 2, consists of a number (tens, hundreds or more) of bundled ceramic or metal hollow fibres 3, which are connected to each other at their ends by means of two flanges 5, 7 made of the same material, the fibres 3 being coated on the inside or outside with one or more high-selectivity coatings.
- the membrane module 1 is employed for the purpose of mass transfer (such as a membrane, soot filter, fuel cell, etc.) and/or for the purpose of heat transfer (heat exchanger, membrane reactor, etc.).
- Such a membrane module 1 is made in the following preferred manner, see Figure 1, in which a set-up during employment of the method is shown.
- Several tens or hundreds of porous, sintered, hollow aluminium oxide fibres 3 are made in the manner described in European patent application EP-A-0693 961 or in European patent application
- EP-A-0 949 960 Each fibre 3 is slid over a metal (stainless steel) rod 9. A short, non- sintered additional fibre 1 1 , 13 is placed at both ends of each fibre 3, also on the metal rod 9.
- the method of making these green fibres is also described in the previously mentioned patent applications, in which with respect to the entire process the sintering step is not performed.
- Each end of every metal rod is positioned in a hole in a perforated metal mould plate 15, 17.
- the perforation pattern is the same on both plates and determines the packing density of the bundle of fibres.
- Two metal rings 19, 21 are placed round or on top of the mould plates 15, 17.
- the entirecombinationoffibres 3, rods 9,perforatedmouldplates 15, 17 and rings 19, 21 is placed vertically on a heating plate 23. By doing this, the lower perforated mould plate 15 and the metal ring 19 are in direct or indirect contact with the heating plate.
- the heating plate 23 is heated up, and when the lower perforated mould plate 15 reaches the desired temperature, pressure is applied downwards on the upper perforated mould plate 17. Because of this, the set of lower green fibres 11 comes in contact with the heated perforated mould plate 15 , becomes viscous and flows into the space between the perforated mould plate 15 and the lower ring 19, as a result of which a flange 5 (see Figure 2) is formed between the hollow fibres 3, the perforated mould plate 15 and the ring 19.
- An alternative for the above mentioned 2x one-sided pressure-application process is a two-sided process in which both perforated mould plates are heated up simultaneously, and in which two flanges are made at the same time by applying pressure once.
- the entire combination of fibres, rods, perforated moulding plates and rings can be positioned vertically or horizontally.
- the perforated mould plates 15, 17, metal rods 9 and metal rings 19, 21 are removed from the entire combination of flanges 5, 7 and fibres 3 (see Figure 2). This takes place preferably at room temperature, but generally at a temperature lower than that of the pressure-application process.
- the metal rings 19, 21 preferably should be built up of several parts so that their removal from the flanges can be done easily. If the flanges 5, 7 (see Figure 2) are not entirely round, they are then polished into a round shape while in the green phase.
- each flange in which the ends of the fibres are situated is polished smooth.
- a circumferential groove (not shown in Figure 2) can be made in the side of each flange which is still green, for attaching the flanges to an outer tube at a later moment.
- the entire combination of fibres 3 and flanges 5, 7 is then placed in an oven for burning out the organic binder and for sintering.
- the preferred orientation is that the entire combination of fibres 3 and flanges 5, 7 lies on an oven plate (positioned horizontally) whether supported by special devices or not.
- the entire combination of fibres 3 and flanges 5, 7 is positioned vertically, hanging and/or standing, whether supported internally or externally or not at all.
- two fluoropolymer O-rings 25 are placed in the circumferential grooves 27 in the flanges, see Figure 3.
- the membrane module 1 is then put into a metal or polymer outer tube 29 and secured in it.
- a maximum of four connections 31 can be coupled to the outer tube 29.
- the maximum application temperature is dictated by the non-ceramic materials which for a cross-flow microfiltration module is approx.200 °C.
- the membrane module can serve as a basis for a high-selectivity separation module.
- a low-temperature ultrafiltration, nanofiltration, gas separation or pervaporation membrane module is made by applying one or more coatings to the membrane module. It is also possible to make the flanges gas tight beforehand by infiltrating and or coating them with a glazing substance and then heating the entire combination in an oven.
- a ceramic suspension or an inorganic (particulate or polymer) sol is prepared. The suspension or sol is poured into a tank that is connected by a hose at its bottom to the bottom of a vertically positioned membrane module. At the start, the position of the tank is lower than that of the membrane module. The tank is moved upwards vertically at a constant speed.
- the suspension or sol passes through the hose to the membrane module and fills the inside of the ceramic fibres .
- the tank is moved upwards as long as needed until the suspension or sol appears at the top of the membrane module. At that moment, the tank remains in position for awhile, and/or moves vertically downwards at a constant speed as a result of which the inside of the fibres is emptied.
- the hose is uncoupled from the membrane module and the membrane module is dried in the air for awhile.
- the membrane module is then placed in an oven after which the coating is calcined. If necessary, the process of coating, drying and calcining is repeated several times with the same or other coatings. The result is a membrane module with pores between the subnanometer and (sub)micron scales.
- a high-temperature ultrafiltration, nanofiltration, gas separation or pervaporation membrane module is made by, if necessary, making the flanges of the membrane module gas tight (see above) and connecting the membrane module to a ceramic or metal outer tube employing existing high-temperature joining techniques (using carbon and/or copper and/or iron-nickel-cobalt alloys and/or ceramic adhesives and/or other materials).
- the coating procedure described above is then followed.
- the result is a membrane module with pores between the subnanometer and (sub)micron scales, with application possibilities to 1000 °C.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003261663A AU2003261663A1 (en) | 2002-08-09 | 2003-08-07 | Method for the production of a ceramic or metal hollow fiber membrane module |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1021249 | 2002-08-09 | ||
| NL1021249 | 2002-08-09 | ||
| NL1022882 | 2003-03-10 | ||
| NL1022882A NL1022882C2 (nl) | 2002-08-09 | 2003-03-10 | Werkwijze voor het vervaardigen van een membraanmodule, in het bijzonder voor wisselaars voor micro-, ultra- of nanofiltratie of gasscheiding. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004014530A1 true WO2004014530A1 (fr) | 2004-02-19 |
Family
ID=31719958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/NL2003/000570 Ceased WO2004014530A1 (fr) | 2002-08-09 | 2003-08-07 | Procede de production d'un module de membrane a fibres creuses en metal ou en ceramique |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2003261663A1 (fr) |
| NL (1) | NL1022882C2 (fr) |
| WO (1) | WO2004014530A1 (fr) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006009449A1 (fr) * | 2004-07-23 | 2006-01-26 | Hyflux Ceparation Nv | Module a membrane et son procede de fabrication |
| WO2011023371A3 (fr) * | 2009-08-31 | 2011-06-03 | Uhde Gmbh | Procédé d'enrobage de membranes capillaires céramiques |
| CN104890170A (zh) * | 2015-06-06 | 2015-09-09 | 浙江净源膜科技有限公司 | 一种柱式中空纤维帘式膜的浇筑结构 |
| US9648572B2 (en) | 2004-05-12 | 2017-05-09 | Intel Deutschland Gmbh | Power regulation in radio-frequency transmitters |
| US20190186851A1 (en) * | 2010-09-22 | 2019-06-20 | Raytheon Company | Heat exchanger with a glass body |
| WO2025032149A1 (fr) * | 2023-08-08 | 2025-02-13 | Whitefox Technologies Limited | Matériau d'enrobage pour modules de séparation à membrane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH435693A (de) * | 1965-05-19 | 1967-05-15 | Dietzsch Otto | Verfahren und Vorrichtung zur Herstellung von Blöcken aus praktisch parallelen thermoplastischen Hohlfäden |
| EP0299459A2 (fr) * | 1987-07-13 | 1989-01-18 | Asahi Kasei Kogyo Kabushiki Kaisha | Elément filtrant et module fitrant le comprenant |
| EP0338774A2 (fr) * | 1988-04-22 | 1989-10-25 | Japan Gore-Tex, Inc. | Procédé pour la fixation de tubes mous et poreux |
| EP0941759A1 (fr) * | 1998-03-12 | 1999-09-15 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Echangeur et son procédé de fabrication |
| WO2002074423A1 (fr) * | 2001-03-16 | 2002-09-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Procede de production d'un module membranaire de fibres creuses ou de capillaires |
-
2003
- 2003-03-10 NL NL1022882A patent/NL1022882C2/nl not_active IP Right Cessation
- 2003-08-07 AU AU2003261663A patent/AU2003261663A1/en not_active Abandoned
- 2003-08-07 WO PCT/NL2003/000570 patent/WO2004014530A1/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH435693A (de) * | 1965-05-19 | 1967-05-15 | Dietzsch Otto | Verfahren und Vorrichtung zur Herstellung von Blöcken aus praktisch parallelen thermoplastischen Hohlfäden |
| EP0299459A2 (fr) * | 1987-07-13 | 1989-01-18 | Asahi Kasei Kogyo Kabushiki Kaisha | Elément filtrant et module fitrant le comprenant |
| EP0338774A2 (fr) * | 1988-04-22 | 1989-10-25 | Japan Gore-Tex, Inc. | Procédé pour la fixation de tubes mous et poreux |
| EP0941759A1 (fr) * | 1998-03-12 | 1999-09-15 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Echangeur et son procédé de fabrication |
| WO2002074423A1 (fr) * | 2001-03-16 | 2002-09-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Procede de production d'un module membranaire de fibres creuses ou de capillaires |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9648572B2 (en) | 2004-05-12 | 2017-05-09 | Intel Deutschland Gmbh | Power regulation in radio-frequency transmitters |
| WO2006009449A1 (fr) * | 2004-07-23 | 2006-01-26 | Hyflux Ceparation Nv | Module a membrane et son procede de fabrication |
| US7611627B2 (en) | 2004-07-23 | 2009-11-03 | Rinse Alle Terpstra | Membrane module as well as a method for making a membrane module |
| WO2011023371A3 (fr) * | 2009-08-31 | 2011-06-03 | Uhde Gmbh | Procédé d'enrobage de membranes capillaires céramiques |
| US8840711B2 (en) | 2009-08-31 | 2014-09-23 | Thyssenkrupp Uhde Gmbh | Method for potting ceramic capillary membranes |
| US20190186851A1 (en) * | 2010-09-22 | 2019-06-20 | Raytheon Company | Heat exchanger with a glass body |
| US12181229B2 (en) * | 2010-09-22 | 2024-12-31 | Raytheon Company | Heat exchanger with a glass body |
| CN104890170A (zh) * | 2015-06-06 | 2015-09-09 | 浙江净源膜科技有限公司 | 一种柱式中空纤维帘式膜的浇筑结构 |
| WO2025032149A1 (fr) * | 2023-08-08 | 2025-02-13 | Whitefox Technologies Limited | Matériau d'enrobage pour modules de séparation à membrane |
Also Published As
| Publication number | Publication date |
|---|---|
| NL1022882C2 (nl) | 2004-02-10 |
| AU2003261663A1 (en) | 2004-02-25 |
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