EP3706887A1 - Conditionnement de faisceau de membranes présentant des éléments d'écartement - Google Patents

Conditionnement de faisceau de membranes présentant des éléments d'écartement

Info

Publication number
EP3706887A1
EP3706887A1 EP18796472.1A EP18796472A EP3706887A1 EP 3706887 A1 EP3706887 A1 EP 3706887A1 EP 18796472 A EP18796472 A EP 18796472A EP 3706887 A1 EP3706887 A1 EP 3706887A1
Authority
EP
European Patent Office
Prior art keywords
bundle
hollow fiber
threads
hollow
housing
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.)
Pending
Application number
EP18796472.1A
Other languages
German (de)
English (en)
Inventor
Frank Wiese
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Evonik Fibres GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from EP17200834.4A external-priority patent/EP3482817A1/fr
Application filed by Evonik Fibres GmbH filed Critical Evonik Fibres GmbH
Publication of EP3706887A1 publication Critical patent/EP3706887A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B01D63/024—Hollow fibre modules with a single potted end
    • B01D63/0241—Hollow fibre modules with a single potted end being U-shaped
    • 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
    • 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
    • B01D63/0231—Manufacturing thereof using supporting structures, e.g. filaments for weaving mats
    • 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
    • B01D63/024—Hollow fibre modules with a single potted end
    • 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
    • B01D63/033—Specific distribution of fibres within one potting or tube-sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/10—Specific supply elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/14—Specific spacers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/20—Specific housing
    • B01D2313/201—Closed housing, vessels or containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/10—Cross-flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/14—Ageing features

Definitions

  • the invention relates to a hollow fiber membrane bundle having a longitudinal extent, a membrane bundle cross section and a first and a second bundle end, comprising a multiplicity of hollow fiber membranes extending between the first and the second bundle ends, and to the hollow fiber membrane
  • Membrane bundle cross section occupied a proportion of between the
  • the invention further relates to a membrane module having a cylindrical housing with a longitudinal extent, wherein in the housing oriented in the direction of the longitudinal extent of the housing
  • Hollow fiber membrane bundle is arranged.
  • Hollow-fiber membrane bundles and membrane modules which are oriented in their housing in the direction of the longitudinal extension of the housing
  • Hollow fiber membrane bundles are widely used in industrial and medical fields such. the filtration of fluid media, for dialysis, gas exchange or gas separation, in electrodialysis, or as
  • the hollow-fiber membrane bundle can be embedded at one or both ends in a tubesheet or a casting compound, for example, from a thermosetting resin.
  • the hollow-fiber membranes of the bundle can be open at both ends and their lumens can thus be accessible to fluids.
  • Such membrane modules are usually operated in the so-called cross-flow mode.
  • the hollow fiber membranes may also be open at only one of their ends and closed at the other end.
  • Such membrane modules are suitable for operation in the so-called dead-end mode.
  • the inner cavity ie the lumens of the hollow-fiber membranes can be separated from the outer space surrounding the hollow-fiber membranes, and inner cavity and outer space can thus be charged with different fluids which may have different temperatures for heat exchange or different consistency for mass transfer, respectively.
  • Hollow-fiber membrane bundles in the application is on the one hand the fluid-tight
  • monofilament or multifilament threads are introduced between the hollow-fiber membranes of the bundle and embedded together with the hollow-fiber membranes in the production of the membrane module.
  • the hollow-fiber membranes are kept at a distance from one another along the membrane bundle, so that they can easily be flowed around on their outside and thus, e.g. an improvement of the substance exchange can be achieved.
  • the threads may be present in the membrane bundle such that one or more hollow threads are spirally wound with at least one lap thread.
  • the winding threads act as spacers between
  • Embodiments of membrane bundles are used, for example, in U.S. Patent Nos. 4,378,355
  • monofilament or multifilament spacer threads are introduced between the hollow-fiber membranes in the bundle Extend substantially parallel to the hollow fiber denominations and which are Ottosch embedding with the hollow fiber membranes in the tube sheets or the potting compounds
  • Such embodiments are described for example in EP-A-0329 980, EP-A-0 841 086 or EP-A-0 848 987 described.
  • a mixed form of spacer threads arranged parallel to the hollow-fiber membranes and threads wrapping around the hollow-fiber membranes is disclosed in EP-A-0 464 737 or EP-A-0 732 141.
  • Membrane bundles arranged in woven or knitted mats.
  • the hollow fiber membranes by means of transverse threads, e.g. integrated in the form of textile threads.
  • Such mats can be by known methods as Wirkmatte or
  • Hollow fiber membranes running weaving or warp threads By means of these transverse threads, the hollow-fiber membranes are spaced apart from each other and held in mutually substantially parallel and stable arrangement.
  • Such mats and hollow fiber membrane bundles produced therefrom are described, for example, in EP-A-0 442 147, DE-A-43 08 850 or US Pat. No. 4,940,617.
  • Hollow fiber membrane bundle allowed. It is likewise an object of the present invention to provide a hollow-fiber membrane module with a hollow-fiber membrane bundle arranged therein in the longitudinal extent of the module, in which the disadvantages of known membrane modules are at least reduced and which improves the flow distribution for fluids in the inflow regions or
  • Hollow fiber membranes have.
  • the task is on the one hand by a hollow fiber membrane bundle with a
  • the hollow-fiber membrane bundle is characterized in that the threads are arranged between the hollow-fiber membranes such that the hollow-fiber membranes protrude at least at the first bundle end and / or at the second bundle end against at least a portion of the threads, such that the hollow-fiber membrane bundle emerges in one of the first and / or second bundle ends first and / or second end region has a smaller proportion of threads than in a lying between the first and the second bundle end bundle region with maximum portion of threads, wherein the length of the first and / or the length of the second end portion 1% to 45% of the bundle length is.
  • the threads are arranged between the hollow-fiber membranes such that the hollow-fiber membranes protrude at least at the first bundle end and / or at the second bundle end against at least a portion of the threads, such that the hollow-fiber membrane bundle emerges in one of the first and / or second bundle ends first and / or second end region has a smaller proportion of threads than in a lying between the first and the second bundle
  • the threads are arranged in such a way to the hollow-fiber membranes, so that at the first and / or second bundle end
  • the hollow fiber membranes overlap at the first and second ends of the hollow fiber membrane bundle and that
  • Hollow-fiber membrane bundle has in a first end region starting from the first bundle end and in a second end extending from the second end End region a smaller proportion of threads than in a lying between the first and the second bundle end bundle region with a maximum proportion of threads.
  • a smaller proportion of threads than in a lying between the first and the second bundle end bundle region with a maximum proportion of threads can be in a module better flowability of the bundle or Umströmhora the
  • the length of the first and / or the length of the second end region preferably in the range of 1% to 30% of the bundle length, more preferably in the range of 1% to 15% and in a more preferred embodiment in the range of 5% to 15%. lie.
  • the length of the respective end region may be more in the lower percent range of the previously specified ranges and, in the case of shorter bundles, rather in the upper percent range.
  • the length of the bundle region with the maximum proportion of threads may be 10% to 90% of the bundle length and in a preferred embodiment in this case 10% to 50%.
  • the length of the bundle region with a maximum proportion of threads amounts to 10% to 30% of the bundle length.
  • the length of the bundle region with a maximum proportion of threads can depend on whether, for example, the threads between the hollow-fiber membranes ensure sufficient spacing of the threads and adequate stabilization of the hollow-fiber membranes in the overall bundle.
  • the length of the bundle region with maximum proportion of threads can depend on whether the application of the bundle in a module during a flow through the
  • End region or the end regions with a smaller proportion of threads can lead to a sufficient improvement in flowability in the end region or in the end regions.
  • End area compared to the proportion of filaments in the bundle region with a maximum proportion of filaments is reduced by at least 50% on average.
  • Hollow fiber membrane bundles are included, in which the threads in one
  • Hollow-fiber membrane bundles in which the filaments can terminate in an end region at different positions along the hollow-fiber membrane bundle, can be used in embodiments in which the filaments have a
  • Hollow fiber membrane bundles have, for example, result from the fact that the threads are shifted against each other along the extension of the hollow fiber membrane bundle, that threads of different lengths are used or that, as will be explained later, a different shrinkage behavior of the threads in the production of the hollow fiber membrane bundle to different positions of the ends which can lead threads along the bundle.
  • the first and / or the second inflow region are free of threads. In this case, it is preferred if the threads in the bundle region lying between the first and the second bundle ends have a maximum proportion of threads in a cross-sectional plane along the bundle
  • the threads used in the hollow-fiber membrane bundle various designs are possible, and it is possible to resort to known threads used as spacers between hollow-fiber membranes.
  • the threads may be monofilament or multifilament yarns, the monofilament or multifilament yarns e.g. B. may have an ondulation or texturing. They are different too
  • the filaments may be e.g. round, oval, star-shaped, rectangular, etc.
  • the threads can also be along their
  • the denier of the filaments may preferably be in the range of 5 to 2000 dtex.
  • the threads may preferably be composed of 5 to 2000 individual filaments.
  • the threads have a first and a second thread end, and the first and second thread ends face the first and second bundle ends, respectively.
  • the threads can extend in a straight line between the hollow-fiber membranes in the bundle and to the
  • Hollow fiber membranes be parallel. However, they can also run in a meandering or spiral around individual hollow fiber membranes or several hollow fiber membranes combined in partial bundles. Furthermore, for example, several side by side at a distance and in levels arranged threads may be arranged irrespective of the width of the hollow fiber membrane bundle.
  • Hollow fiber membrane bundles may be the hollow fiber membranes of
  • Hollow fiber membrane bundle be connected by means of threads to mats or tapes together, as described for example in EP-A-0 442 147 or DE-A-43 08 850.
  • the threads may be parallel to one another substantially in the circumferential direction of the
  • Hollow fiber membrane bundle run while the hollow fiber membranes extend between the first and second bundle end along the longitudinal extent of the hollow fiber membrane bundle. They are the
  • Hollow fiber membrane bundle in a first end region extending from the first end portion has a smaller proportion of threads than in a lying between the first and the second end of the bundle central bundle region with a maximum proportion of threads.
  • the ratio of the membrane bundle cross-section is
  • Total of the hollow fiber membranes in a range of 0.1 to 10%.
  • Hollow-fiber membrane bundle reach in the region with a maximum proportion of threads, on the other hand, good flow through the hollow fiber membrane bundle over the bundle cross-section in the first and / or second end region. More preferably, the ratio is in a range of 0.2 to 5%, and more preferably in a range of 1 to 5%.
  • the hollow fiber membrane bundle can be a solid bundle or, for example, a hollow cylindrical bundle, which is arranged, for example, around a core tube or a solid cylinder.
  • Hollow fiber membrane bundle may have any outer contour, such as e.g. a circular, oval, elliptical, trilobal, quadribate, triangular, rectangular, square contour. Preferably, this has
  • Hollow fiber membrane bundles on a circular outer contour Hollow fiber membrane bundles on a circular outer contour.
  • Hollow-fiber membrane bundles can be provided with hollow-fiber membrane modules which have an improved flow distribution for fluids which flow into the outer space around the hollow-fiber membranes arranged in the membrane module or flow out of the outer space in the region of the inflow and outflow regions. Therefore, the object of the invention is further achieved by a membrane module having a cylindrical housing with a longitudinal extension and a first and a second housing end, a extending between the first and second housing end housing shell and a housing inner wall, wherein in the housing in the direction of the longitudinal extent of the housing oriented
  • Hollow fiber membrane bundle is arranged according to the present invention.
  • Hollow fiber membranes of the hollow fiber membrane bundle at least with their end associated with the first bundle end in a first end of the housing and arranged with the housing inner wall fluid-tightly connected first
  • Potting compound embedded and the housing is closed in the region of its second end by a closure
  • Hollow fiber membranes surrounding and between the first potting compound and the closure is formed in the region of the second end of the housing extending outer space
  • Hollow fiber membranes pass through the first potting compound and are open at the first bundle end and are in fluid communication with a first chamber disposed at the first end of the housing,
  • first chamber is closed by a first end cap attached to the first end of the housing and the first end cap has a first connection opening for the introduction or discharge of a fluid
  • first bundle end is embedded in the first potting compound in such a way that the bundle has a smaller proportion of threads along its extent in the outer space in a first outer space section adjoining the first potting compound than in one between the first and the second
  • Bundling lying central bundle region with maximum portion of threads and the first outer space portion in the extension direction of the bundle has a length of at least 5 mm and
  • the membrane module has a first connecting piece, via which a fluid can be introduced into the outer space or derived from the outer space in the region of the first outer space portion.
  • Hollow fiber membranes present a greater proportion of spaces between the hollow fiber membranes. This has in connection with the required
  • Minimum length of the first outer space portion of 5 mm result in that, for example, when introducing a fluid through the first connection piece in the outer space in the region of the first outer space portion, which in this case the inflow, the hollow fiber membranes can be better flowed around in this area and a more homogeneous distribution the fluid over the bundle cross-section results.
  • a discharge which is homogeneous across the bundle cross-section is achieved from the outer space. Due to the design of the membrane module according to the invention in the inflow and / or outflow can thus in particular at large
  • connection opening is understood as meaning an opening which is in fluid connection with the lumens of the hollow-fiber membranes via open ends of the hollow-fiber membranes.
  • the connecting piece of the membrane module according to the invention is understood to mean an opening for the supply or discharge of a fluid, which communicates with the outer space or an outer space section of the membrane module in FIG
  • the hollow-fiber membrane bundle may be a
  • the first connecting piece via which a fluid in the outer space can be introduced or derived from the outer space, laterally on
  • Housing jacket be arranged in the region of the first outer space portion.
  • the hollow-fiber membrane bundle is arranged around a core tube which is embedded together with the hollow-fiber membranes in the first casting compound. The core tube leads through the first
  • Potting compound and through the first chamber leads out of the first chamber via the first end cap and is in fluid communication with a connecting piece, which is the first connecting piece in this case.
  • the core tube has perforations in its wall. Via these perforations, a fluid in the region of the first outer space section can flow out of the core tube into the outer space or out of the outer space into the core tube.
  • the hollow fiber membranes can end with their ends facing the second end of the housing in the outer space, whereby they are freely flowed around at these ends of a fluid located in the outer space.
  • the hollow fiber membranes are closed at the second bundle end. The closing of the hollow fiber membrane ends, for example, by gluing or
  • the hollow-fiber membranes may be formed as U-shaped loops.
  • the second end cap can have a second connecting piece for introducing or discharging a fluid into and out of the outer space, so that the fluid can flow through the outer space from its one end to its other end.
  • the second connecting piece can also be mounted laterally in the housing jacket and thus lead into the outer space around the hollow fiber membranes.
  • the hollow fiber membrane bundle with its second bundle end ends at a distance in front of the second end cap, so that a fluid flowing through the outer space, for example, after exiting the bundle at the second end collect in an outdoor area of the membrane bundle and can be homogeneously withdrawn over the entire cross section of the membrane bundle.
  • the hollow fiber membrane bundle is arranged around a core tube, which is embedded together with the hollow fiber membranes in the first potting compound and that in the region of the first
  • the core tube may also have at its second housing end facing portion perforations through which a fluid from the outer space can flow into the core inner tube or via the a fluid from the core tube interior in the
  • the core tube may pass through the second end cap, being fluid-tightly sealed from the second end cap, and e.g. be connected to a attached to the second end cap second connection piece.
  • the core tube is
  • the housing may at its second end in another preferred alternative by a at the second housing end
  • the membrane module according to the invention can then have a laterally mounted in the housing jacket second connection piece, which opens in the area in front of the second potting compound in the outer space and is in fluid communication with the outer space.
  • the housing may be closed at its second end by a second potting compound, which has at least one through-opening, and the end face on the second housing end having a second end cap with a second connection piece. Between second potting compound and second end cap can then be formed a second chamber and the outer space and the second chamber can via the at least one opening in the second potting compound in
  • Fluid connection stand In this way, a fluid is e.g. via the at least one opening in the second potting compound, the second chamber and the second connecting piece in the second end cap from the outer space derivable.
  • the at least one opening may e.g. in the form of one or more holes through the second potting compound or in the form of at least one embedded in the potting compound tube.
  • Hollow fiber membrane bundle may be arranged around a core tube, which is embedded together with the hollow fiber membranes in the first potting compound and only in the region of the first outer space portion perforations for introducing a fluid into the outer space or for discharging a fluid from the outer space.
  • the housing can then through one on the second
  • the hollow fiber nominal membranes of the hollow fiber membrane bundle are further arranged with their end associated with the second bundle end in a second fluid-tight manner connected to the second end of the housing and fluid-tightly connected to the housing inner wall
  • Potting compound embedded which simultaneously forms the closure of the housing in the region of its second end.
  • the module may comprise a hollow fiber membrane bundle which has a smaller proportion of threads only at the first bundle end and in which the threads extend in the region of the second bundle end to the second bundle end, ie together with the bundle end
  • Hollow fiber membranes terminate substantially in the same cross-sectional plane of the bundle. In this case, then the threads together with the
  • the membrane module preferably contains a hollow-fiber membrane bundle which also has a smaller proportion of filaments in a second end region extending from the second end than in a bundle region lying between the first and second bundle ends with a maximum proportion of filaments, the second bundle end thus being in the second Potting compound is embedded, that the bundle along its extension in the outer space in a second encapsulation adjacent second outer space portion has a lower proportion of threads than in a lying between the first and second bundle end bundle area with maximum share of threads and the second outer space portion in the extension direction of the bundle has a length of at least 5 mm.
  • the membrane module then has in its housing jacket in the region in front of the second potting compound a second connection pipe in fluid communication with the outer space, via which a fluid can be introduced into or removed from the outer space.
  • the outer space around the hollow-fiber membranes is thus permeable by a fluid from one to the other end of the housing in cross-flow mode.
  • the membrane module then has an inflow region and an outflow region with respect to the outer space, in which an over the bundle cross section at least substantially homogeneous inflow or from the one over the bundle cross-section at least substantially homogeneous Outflow of a fluid can take place.
  • the hollow-fiber membranes can be embedded with their second end in the second potting compound that they are closed at this end. This can take place in that the second ends of the hollow-fiber membranes terminate within the second potting compound and are closed by the second potting compound.
  • the hollow fiber membranes can then be made with respect to their internal cavities, i. with respect to their lumina from the first end of the hollow-fiber membrane bundle in the dead-end mode are flown.
  • the housing at its second end in the region in front of the second potting compound have a laterally mounted in the housing shell second connecting piece, which opens into the outer space and with the outer space in
  • the housing may be closed at its second end by a second potting compound, which has at least one through-opening, and the end face on the second housing end having a second end cap with a second connection piece.
  • a second chamber can then be formed between the second potting compound and the second end cap, and the outer chamber and the second chamber can be in fluid communication via the at least one opening in the second potting compound.
  • a fluid is e.g. via the at least one opening in the second potting compound, the second chamber and the second connecting piece in the second end cap from the outer space derivable.
  • Embodiment is the outer space between the first port and second connecting piece for a fluid in the cross-flow flow mode.
  • the at least one opening can be present, for example, in the form of one or more holes through the second potting compound or in the form of at least one tube embedded in the potting compound.
  • the hollow-fiber membranes of the hollow-fiber membrane bundle can be so in the second at the second bundle end
  • a second end cap is arranged on the front side in front of the second end of the housing, wherein the second end cap is embodied such that a second chamber is formed between the second casting compound and the second end cap.
  • the lumens of the hollow fiber membranes open in this case in the second chamber and are in fluid communication with this.
  • the second end cap then has a second port for introducing or discharging a fluid into and out of the second chamber.
  • the hollow fiber membranes are flowed through in their lumens of a fluid in cross-flow mode. Also, for example, in this embodiment, in which the
  • the hollow-fiber membrane bundle can be arranged around a core tube which, together with the hollow-fiber membranes, can be arranged in the first and in the second
  • Casting compound is embedded.
  • the core tube may pass through the first potting compound and through the first chamber, out of the first chamber via the first end cap, and at its first end with the first
  • the core tube may pass through the second potting compound, pass through the second chamber, pass through the second end cap, being fluid-tightly sealed from the second end cap, and in fluid communication with a second port attached to the second end cap.
  • Hollow fiber membrane bundle has a lower proportion of filaments than in the lying between the first and the second bundle end middle
  • the core tube may have perforations in its wall, via which a fluid in the area of the first
  • the core tube may have perforations in its wall via which a fluid in the region of the second outer space section from the core tube into the outer space or out of the
  • Outdoor space can flow into the core tube.
  • a first fluid can flow into the core tube via the first connecting branch and, in the region of the first outer space section, in which a smaller proportion of threads is present and thus the flow around the hollow-fiber membranes is improved, via the perforations in the core tube wall into the first tube Inflow outdoor space section. Subsequently, the fluid can flow through the outer space between the first potting compound and the second potting compound along the hollow-fiber membranes. In this case, for example, a filtration of a portion of the first fluid via the walls of the hollow-fiber membranes in the lumens of the hollow-fiber membranes done. The remaining part of the first fluid flows in the region of the second
  • a second fluid can then be introduced into the second chamber formed between the second end cap and the second potting compound via the second connection opening in the second end cap arranged frontally in front of the second end of the housing. From there, the second fluid can flow into the open lumens of the hollow-fiber membranes and flow through the hollow-fiber membranes on the lumen side, where it can receive the filtrate of the first fluid.
  • the thus enriched second fluid leaves the hollow fiber membranes at the first bundle end and flows into the front end of the housing at the first end
  • the enriched second fluid flows out of the membrane module via the first connection opening in the first cap.
  • Section of the inflow or outflow along the housing shell have an extension and in the central region of the
  • Hollow-fiber membrane bundles should be tightly enclosed by the housing shell.
  • the membrane module according to the invention can be used optimally for a large number of applications in which a fluid is introduced into the outer space around hollow-fiber membranes arranged in the module and / or is discharged from the outer space. Examples include modules for filtration, for gas exchange, gas separation. The modules according to the invention can also be used as membrane adsorbers or as combinations of membrane filters
  • Embodiments of the membrane module according to the invention in which the hollow fiber membrane bundle is embedded at both ends in a potting compound, the hollow fibers are open at both ends and both a
  • Outflow area are excellent as dialyzers, for. can be used for hemodialysis.
  • the preparation of the hollow-fiber membrane bundle according to the invention and of the membrane module according to the invention can be carried out in various ways.
  • Hollow-fiber membrane bundle during bundle production by depositing hollow-fiber membranes and simultaneous deposition of the opposite
  • Hollow fiber membranes are made of shorter threads, wherein the threads are arranged opposite to the hollow-fiber membranes so that, depending on the embodiment of the bundle according to the invention at one or both ends of the bundle
  • Sections with at least reduced proportion of threads result.
  • Such laying down of hollow fiber membranes and filaments may e.g. be realized by different Linearablagebacter.
  • the threads during the membrane bundle production can be stored individually or as a group of threads, straight or iridescent or meandering.
  • the preparation of the hollow-fiber membrane bundle production according to the invention comprises textile presentation forms of the invention
  • Hollow fiber membranes for example, in the form of woven mats, knitted mats, tapes or loops, as already stated above.
  • the textile coverings are then to be designed such that a smaller proportion of threads is present at at least one end of the produced bundle in an end region extending from this end.
  • woven mats can be produced, in which the hollow-fiber membranes form the warp threads and the side regions of the woven mats are free of threads which serve as weft threads and run perpendicular to the hollow-fiber membranes.
  • filaments comprise single hollow fiber membranes or multiple hollow fiber membranes combined in sub-bundles, e.g. spirally
  • wrap around the wrap is executed only to the extent that the cut hollow fiber membranes have at least one end portion which is free of entangling threads.
  • Hollow fiber membranes or partial bundles of the hollow fiber membranes are then arranged in the bundle.
  • the hollow fiber membrane bundle according to the invention can be prepared in a preferred embodiment be, by a different shrinkage behavior of
  • the threads have a higher shrinkage than the hollow-fiber membranes.
  • the shrinkage of the threads is triggered by annealing. Preference is given to combinations of hollow-fiber membranes and threads in which to be set at the
  • Extension direction is 2% -50% smaller than the shrinkage of the threads.
  • the temperature to be set for tempering depends on the
  • the shrinkage can be achieved by optical,
  • Physico-chemical processes may e.g. Moistening or treatment with water or solvents or swelling agents, which lead to different length expansion or different shrinkage of hollow fiber membranes and threads.
  • Physico-chemical processes may e.g. Moistening or treatment with water or solvents or swelling agents, which lead to different length expansion or different shrinkage of hollow fiber membranes and threads.
  • the use of similar effects as they are known from metallic shape memory alloys and now also from shape memory polymers is possible. The methods described above can
  • Module housing done or only within a module housing after introduction of the bundle in the module housing.
  • the hollow fiber membrane bundle according to the invention having a reduced density of threads on one or both bundle ends, as described above, can first be produced and then introduced into a suitable housing in order to produce a module according to the invention.
  • Bundle ends extending threads of the same length as the hollow fiber membranes inserted into a suitable housing and the increased shrinkage of the threads in the bundle are triggered only within the housing. This will be
  • the threads within the hollow fiber membrane bundle do not all end at the same position along the hollow fiber membrane bundle.
  • the shrinkage of the threads z.T. be different, so that ultimately within the bundle different lengths of threads are present, the ends of which end at different positions along the bundle extension.
  • Hollow fiber membrane bundle be shifted against each other. For example, in the case that a different shrinkage behavior of
  • the proportion of the threads in the first and / or second end region compared to the portion of the threads in the bundle region with maximum portion of threads is preferably reduced by at least 50% and particularly preferably by at least 80%.
  • the first and / or second end region is free of threads.
  • Embodiments of the membrane module according to the invention or of the hollow-fiber membrane bundle according to the invention which, however, are not to be understood as limiting.
  • Figure 1 a cross-flow membrane module according to the invention with a
  • Hollow-fiber membrane bundle which is embedded on both sides in potting compounds and is free of threads at both ends.
  • Figure 2 a cross-flow membrane module according to the invention with a
  • Hollow-fiber membrane bundle which is embedded on both sides in potting compounds and is free of threads at its first end.
  • FIG. 3 a Dead -End membrane module according to the invention with a
  • Hollow-fiber membrane bundle which is embedded on both sides in potting compounds, has hollow-fiber membranes open at its first end and is free of threads at its two ends.
  • Figure 4 a cross-flow membrane module according to the invention with a
  • Hollow-fiber membrane bundle which is embedded on both sides in potting compounds at its two ends free of threads and which has openings in the second potting compound which are in fluid communication with the outer space around the hollow-fiber membranes.
  • Figure 5 a cross-flow membrane module according to the invention with a
  • FIG. 1 shows a membrane module 1 with a housing 2 and an im
  • Housing 2 arranged bundles of hollow fiber membranes 3, which are embedded with their first end 4 in a first potting compound 5 and with its second end 6 in a second potting compound 7 so that they through the respective
  • Potting compound 5, 7 pass and the front side before the casting compounds 5, 7 are open.
  • the lumens of the hollow-fiber membranes 3 can be flowed through by a fluid in cross-flow mode.
  • an outer space 8 bounded by the housing 2 is formed around the hollow-fiber membranes 3.
  • a middle bundle region along the hollow fiber membranes 3 between the casting compounds 5, 7 are in
  • the threads 9, 10 are present in a maximum proportion, whereas in a first outer space section 11 adjacent to the first sealing compound 5 and in one to the second
  • Hollow-fiber membrane bundle in the present case is free of threads 9, 10.
  • a first end cap 13 is arranged so that between the first potting compound 5 and the first end cap 13, a first chamber 14 is formed, which at the first end 4 of
  • the first end cap 13 has a first connection opening 15, via which a fluid can be introduced into the first chamber 14, for example.
  • a second end cap 16 is arranged.
  • a second chamber 17 is formed, which is in fluid communication with the lumens of the hollow-fiber membranes 3 at the second end 6 of the hollow-fiber membranes 3.
  • the second end cap 16 has a second connection opening 18, via which, for example, a fluid the second chamber is divertable. In this way, the
  • Hollow fiber membranes are flowed through in their lumens in cross-flow mode by a fluid.
  • the housing 2 has, at its end facing the first potting compound 5 in the region of the first outer space portion 1 1, a first connecting piece 19 and at its second potting compound 7 facing end in the region of the second outer space portion 12 a second connecting piece 20, by means of which the outer space 8 of a fluid can flow through the hollow-fiber membranes 3.
  • Connecting piece 19 in the region of the first outer space portion 1 1 in the housing 2 and the outer space 8 are introduced. Because of the lack of threads 9, 10 lower degree of filling in the region of the first
  • Outside space section 1 1 results in this area good flow through the hollow fiber membrane bundle over the bundle cross-section and thus a good distribution of a flowing into this area fluid over the
  • This second outer space portion 12 is also a lesser degree of filling, resulting in this area also good flowability of the hollow fiber membrane bundle over the
  • Bundle cross-section results and thus a uniform discharge of the inflowing into this area fluid over the bundle cross-section. From the second outer space section 12, the fluid leaves the module 1 via the second connecting piece 20.
  • FIG. 2 shows a further preferred embodiment 21 of a membrane module according to the invention containing an inventive
  • Membrane module 21 but also those shown in the following figures Embodiments of the membrane module with those of the membrane module 1 shown in Figure 1, they are provided with the same reference numerals and a further description of these elements is omitted.
  • the membrane module 21 also contains in the housing 2 arranged a bundle of hollow fiber membranes 3, which with its first end 4 in a first
  • the hollow-fiber membranes 3 are open at the front in front of the casting compounds 5, 7, so that the lumens of the hollow-fiber membranes 3 can be flowed through by a fluid in cross-flow mode.
  • the membrane module 21 shown in FIG. 2 has only one of the first potting compound 5
  • first outer space portion 1 1 a region in which the hollow fiber membrane bundle is free of threads 9,10.
  • Hollow fiber membranes 3 are embedded in the second potting compound 7.
  • the membrane module 21 shown in FIG. 2 thus has no second outer space section 12 adjacent to the second potting compound 7 in which the
  • Hollow fiber membrane bundle has a reduced proportion of threads 9 or even free of threads 9.
  • the membrane module 21 only at the end of the first potting compound 5 facing end in the region of the first
  • End cap 13 are introduced into the first chamber 14, from there flow into the open lumens of the hollow-fiber membranes 3 and flow through the hollow-fiber membranes 3 lumen side.
  • part of the liquid as filtrate can pass through the walls of the hollow-fiber membranes 3 into the outer space 8 and flow along the hollow-fiber membranes 3 into the first outer space section 11, from which it leaves the membrane module 21 via the first connecting stub 19.
  • the retentate remaining in the lumens of the hollow-fiber membranes 3 leaves the hollow-fiber membranes 3 at the second end 6 of the hollow-fiber membranes 3 and flows into the second chamber 17 arranged on the end side of the housing 2.
  • the retentate leaves the membrane module 21 via the second connection opening 18 in the second end cap 16.
  • FIG. 3 like FIG. 1, shows a membrane module 23 with a
  • Hollow-fiber membrane bundle which is embedded on both sides in casting compounds 5, 7 and is free of threads 9 at its two ends.
  • the arranged in the housing 2 into a bundle hollow-fiber membranes 3 are with their first end 4 in a first potting compound 5 and with its second end 6 in a second
  • Potting compound 7 embedded The embedding at the first end 4 is designed so that the hollow fiber membranes pass through the potting compound 5, the front side of the potting compound 5 are open and in between the first
  • Potting compound 5 and first end cap 13 formed first chamber 14 open. At its second end 6, the hollow fiber membranes 3 are in the second
  • Hollow-fiber membranes 3 can be applied in dead-end mode.
  • Potting compound 7 simultaneously forms the closure of the housing 2 at its second end.
  • Hollow fiber membranes 3 introduced fluid then occurs - except one, for example about a filtration in the hollow fiber nominal 3 retained fraction about in the form of particles of a certain size - completely through the walls of the hollow fiber membranes 3 in the outer space 8 to the hollow fiber membranes 3 via.
  • the membrane module 23 only has its first potting compound 5
  • a first connecting piece 19 by means of which a fluid introduced into the outer space 8 or by means of which a fluid can be derived from the outer space 8.
  • the membrane module 23 may also, as shown in Fig. 3, also at its second end adjacent to the second potting compound 7 have a second outer space portion 12. However, it is not in others, not here
  • the threads at this end have substantially the same length as the hollow fiber membranes and are embedded together with the hollow fiber membranes in the second potting compound.
  • the membrane module has an outer space portion only at its first end.
  • the membrane module 24 shown in Figure 4 has a similar structure as the membrane module 23 shown in Figure 3.
  • Membrane module 24 also has a hollow fiber membrane bundle, in which the hollow fiber membranes 3 are embedded on both sides in potting compounds 5, 7 and in a first
  • outside space portion 1 1 and in a second outer space portion 12 is free of threads 9. Between the first outer space portion 1 1 and the second outer space portion 12 3 threads 9 are arranged between the hollow fiber membranes.
  • the embedding at the first end 4 is designed so that the
  • Hollow fiber membranes pass through the potting compound 5, the front side of the potting compound 5 are open and open into the formed between the first potting compound 5 and the first end cap 13 first chamber 14.
  • the Hohlfasermennbranen 3 so embedded in the second potting compound 7 that they end within the potting compound 7 and through the second
  • Potting compound 7 are closed.
  • the second potting compound 7, which closes the outer space at the second end of the housing, has through openings 25 via which there is a fluid connection between the outer space 8 and a second chamber 27 formed on the end face on the second housing end between the potting compound 7 and a second end cap 26.
  • the openings 25 in the potting compound 7 may be in the form of bores in the second potting compound, but they may also be tubes which pass through the second potting compound 7 and which are embedded together with the hollow-fiber membranes 3 in the second potting compound 7.
  • a fluid can flow over the first
  • Housing 2 is introduced and distributed in the region of the first outer space portion 1 1 because of the lack of there portion of threads 9 between the hollow fiber membranes 3 evenly over the cross section of the bundle of hollow fiber membranes 3. Then it can along the hollow fiber membranes 3 in the direction of the second potting compound 7 and in the front of the second
  • Potting 7 located second outer space portion 12 flow. From the second outer space portion 12, the fluid can then be discharged via the openings 25 in the second potting compound 7 from the outer space 8 and the
  • the membrane module 24 via the second chamber 27 and the second connection piece 28 in the second end cap 26.
  • the membrane module according to FIG. 4 has the second casting compound 7 and second end cap 26 formed second Kannnner 27 via the openings 25 in the potting compound 7 with the outer space 8 in fluid communication. Accordingly, it is in the second end cap of the membrane module of FIG. 4 existing opening for fluid discharge or supply to a connection piece, which with the
  • outside space 8 is in fluid communication.
  • the embedding 7 can also be embodied as in FIG. 3 and the fluid can leave the outer space section 12 through a further connecting stub opening into the outer space 8.
  • a membrane module 29 is shown, which is a bundle of
  • Hollow fiber membranes 3 which is arranged around a core tube 30 around.
  • the core tube 30 is in the first together with the hollow fiber membranes 3
  • Potting compound 5 arranged first chamber 14 therethrough, wherein the core tube 30 is separated from the first chamber 14 fluid-tight.
  • the core tube 30 extends out of the first chamber 14 in the first end cap 13 and is in fluid communication at its first end with a first port 31 connected to the core tube.
  • the core tube 30 passes through the second potting compound 7, passes through the second chamber 17 formed frontally before the second potting compound 7, wherein the core tube 30 is fluid-tightly separated from the second chamber 14, passes through the second end cap 16 and is at one with the second end cap 16
  • the core tube 30 in the region of the first outer space section 11, in which the bundle of hollow-fiber membranes 3 arranged around the core tube 30 is free of threads 9, the core tube 30 has perforations 33 in its wall, via which a fluid in the region of the first outer space section 11 is formed the core tube 30 in the outer space 8 and the first outer space portion 1 1 flow or can flow from this into the core tube 30.
  • the core tube in its region between the perforations 33, 34 also consist of a solid material.
  • the hollow fiber membranes 3 are embedded with their ends 4, 6 in the potting masses 5, 7 so that they pass through them and are open at their ends opposite the first chamber 14 and the second chamber 17 and a fluid can flow through them.
  • First and second end cap 13, 16 have lateral connection openings 15, 18, via which a fluid in the first chamber 14 and the second chamber 17 can flow in or out.
  • the housing 3 may further comprise a lateral connecting piece 37, for example around the
  • Outside portion 1 1 in its wall perforations 33 has, but not in the region of the second outer space portion 12, the first fluid via such a lateral connecting piece 37 and the second
  • a first fluid via the first port 31 flow into the core tube 30 and in the region of the first outer space portion 1 1, in which the flow around the hollow fiber membranes 3 due to the absence of the threads. 9 is improved, flow through the perforations 33 in the wall of the core tube 30 in the first outer space portion 1 1 and evenly over the
  • Bundle cross section are distributed. Subsequently, the first fluid along the hollow-fiber membranes 3 can flow through the outer space 8 between the first potting compound 5 and the second potting compound 7.
  • the remaining part of the first fluid flows in the region of the second outer space portion 12, in which also no threads 9, via the perforations 34 in the wall of the core tube 30 from the second outer space portion 12 in the core tube 30 and flows out of this via the with the Core tube connected second port 32 from the membrane module 29.
  • a second fluid can then be introduced into the second chamber 17 formed between the second end cap 16 and second potting compound 7. From there, the second fluid can flow into the open lumens of the hollow-fiber membranes 3 and flow through the hollow-fiber membranes 3 on the lumen side, wherein it can take up components of the first fluid or deliver components to it.
  • the enriched or depleted second fluid leaves the hollow-fiber membranes 3 at their first ends 4 and flows into the front chamber 14 arranged in front of the first potting compound 5. From this, the enriched second fluid flows out of the membrane module 29 via the first connection opening 15 in the first end cap 13.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un faisceau de membrane à fibres creuses ayant une extension longitudinale, une section transversale de faisceau de membrane, et des première et seconde extrémités de faisceau, comprenant une pluralité de membranes à fibres creuses s'étendant entre lesdites première et seconde extrémités de faisceau, et, par rapport à ladite section transversale de faisceau de membrane, une partie de filaments disposés entre lesdites membranes à fibres creuses qui maintiennent lesdites membranes à fibres creuses écartées. Les filaments sont disposés entre les membranes à fibres creuses de telle sorte qu'à la première extrémité du faisceau et/ou à la deuxième extrémité du faisceau, les membranes à fibres creuses dépassent d'au moins une partie des filaments, de sorte que le faisceau de membranes à fibres creuses présente une proportion inférieure de filaments dans une première et/ou une deuxième région terminale commençant à la première et/ou à la deuxième extrémité du faisceau que dans une région située entre la première et la deuxième extrémité du faisceau, la longueur de la première et/ou la deuxième région terminale étant de 1 % à 45 % de la longueur du faisceau. L'invention concerne en outre un module à membrane comportant un boîtier cylindrique ayant une extension longitudinale et une première et une deuxième extrémité de boîtier, une enveloppe de boîtier s'étendant entre la première et la deuxième extrémité de boîtier et une paroi intérieure du boîtier, un faisceau de membrane à fibres creuses de ce type étant disposé dans le boîtier orienté dans la direction de l'extension longitudinale du boîtier.
EP18796472.1A 2017-11-09 2018-11-08 Conditionnement de faisceau de membranes présentant des éléments d'écartement Pending EP3706887A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17200834.4A EP3482817A1 (fr) 2017-11-09 2017-11-09 Habillage de faisceaux de membranes pourvu d'éléments d'écartement
EP17208806 2017-12-20
PCT/EP2018/080615 WO2019092105A1 (fr) 2017-11-09 2018-11-08 Conditionnement de faisceau de membranes présentant des éléments d'écartement

Publications (1)

Publication Number Publication Date
EP3706887A1 true EP3706887A1 (fr) 2020-09-16

Family

ID=64083116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18796472.1A Pending EP3706887A1 (fr) 2017-11-09 2018-11-08 Conditionnement de faisceau de membranes présentant des éléments d'écartement

Country Status (7)

Country Link
US (1) US11547970B2 (fr)
EP (1) EP3706887A1 (fr)
JP (1) JP7203838B2 (fr)
KR (1) KR102510133B1 (fr)
RU (1) RU2020118276A (fr)
SG (1) SG11202004065PA (fr)
WO (1) WO2019092105A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022114227A1 (fr) * 2020-11-30 2022-06-02 旭化成株式会社 Module de membrane à fibres creuses
US20230191332A1 (en) * 2021-12-20 2023-06-22 Saudi Arabian Oil Company Hollow fiber membrane module and method of making and using same

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120412A (en) 1974-08-12 1976-02-18 Nippon Telegraph & Telephone Purehabukisokoho oyobi sorenimochiiru purekyasutokonkuriitobuhin
FR2287934A1 (fr) 1974-10-15 1976-05-14 Rhone Poulenc Ind Appareil a membranes tubulaires sur supports pour le traitement des fluides
JPS5918084B2 (ja) * 1976-09-16 1984-04-25 東レ株式会社 流体分離装置
DE2825065A1 (de) * 1978-06-08 1979-12-13 Fresenius Chem Pharm Ind Gespreizte hohlfaserbewicklung eines dialysators oder haemofilters
US4293418A (en) 1979-03-28 1981-10-06 Toray Industries, Inc. Fluid separation apparatus
US4578190A (en) * 1984-10-26 1986-03-25 Monsanto Company Fluid distribution system for separation modules
DE3803693A1 (de) 1987-03-10 1988-09-22 Akzo Gmbh Mehrlagiger hohlfadenwickelkoerper
DE3805414C1 (fr) * 1988-02-22 1989-09-07 Secon Gesellschaft Fuer Separations- Und Concentrationstechnik Mbh, 3402 Dransfeld, De
JPH0260658A (ja) * 1988-08-29 1990-03-01 Terumo Corp 中空糸膜型物質移動装置
DE4004797A1 (de) 1990-02-16 1991-08-22 Akzo Gmbh Gewebtes hohlfadenband
US5198110A (en) 1990-07-02 1993-03-30 Asahi Medical Co., Ltd. Bundle of permselective hollow fibers and a fluid separator containing the same
DE4308850A1 (de) 1993-03-19 1994-09-22 Akzo Nv Hohlfadenmatte
JPH06327905A (ja) * 1993-05-21 1994-11-29 Toray Ind Inc 脱気膜モジュールおよびその運転方法
CA2191438A1 (fr) 1994-06-10 1995-12-21 Frederick J. Reinhart Ecartement par monofilaments de membranes fibreuses et creuses et dispositifs d'oxygenation du sang comprenant ces membranes
EP0732141B1 (fr) 1995-03-11 2000-03-22 Akzo Nobel N.V. Faisceaux de filaments creux ainsi que échangeur de masse et/ou de chaleur
US5779897A (en) 1996-11-08 1998-07-14 Permea, Inc. Hollow fiber membrane device with inert filaments randomly distributed in the inter-fiber voids
DE19652695C1 (de) 1996-12-18 1997-10-30 Saxonia Medical Gmbh Hohlfasermodul mit profilierten Abstandsfäden
NL1013465C2 (nl) * 1999-11-02 2001-05-03 Stork Friesland Bv Membraanfiltratie-element met hulselement en moforganen.
JP2003290340A (ja) * 2002-02-01 2003-10-14 Nikkiso Co Ltd 血液浄化器
CN100421771C (zh) * 2003-04-23 2008-10-01 旭化成可乐丽医疗株式会社 空心纤维膜型流体处理装置
DE102008036853A1 (de) 2008-08-07 2010-03-04 Schott Solar Ag Verfahren zur Herstellung eines photovoltaischen Moduls
ES2400747T3 (es) 2008-10-03 2013-04-12 Vlaamse Instelling Voor Technologisch Onderzoek (Vito) Módulo de filtración de membranas capilares
RU89416U1 (ru) 2009-07-08 2009-12-10 Государственное образовательное учреждение высшего профессионального образования Казанский государственный технический университет им. А.Н. Туполева Мембранный половолоконный аппарат
AU2014258258B2 (en) * 2013-04-25 2018-07-05 Toray Industries, Inc. Cartridge type hollow fiber membrane module
US10456750B2 (en) 2013-06-12 2019-10-29 Evonik Fibres Gmbh Membrane cartridge system
US9821251B2 (en) * 2013-07-24 2017-11-21 Mitsubishi Chemical Corporation External-perfusion hollow-fiber membrade module and inkjet printer having said module
DE102013017375A1 (de) * 2013-10-21 2015-04-23 Mann + Hummel Gmbh Hohlfasermodul einer Einrichtung zum Trennen von Fluiden und Verfahren zur Herstellung eines solchen
WO2016035798A1 (fr) 2014-09-01 2016-03-10 東レ株式会社 Module de membranes à fibres creuses et procédé de fabrication de module de membranes à fibres creuses
MY184267A (en) 2015-06-09 2021-03-30 Evonik Fibres Gmbh Hollow fibre membrane cartridge and module for the separation of fluids
DE102016003611A1 (de) * 2016-03-29 2017-10-05 Enmodes Gmbh Vorrichtung für den Stoffaustausch und Verfahren zur Herstellung
CN205867846U (zh) 2016-08-18 2017-01-11 金王勇 空气净化用中空纤维膜元件

Also Published As

Publication number Publication date
JP2021502887A (ja) 2021-02-04
KR102510133B1 (ko) 2023-03-15
US11547970B2 (en) 2023-01-10
JP7203838B2 (ja) 2023-01-13
WO2019092105A1 (fr) 2019-05-16
KR20200077581A (ko) 2020-06-30
RU2020118276A3 (fr) 2021-12-09
RU2020118276A (ru) 2021-12-09
SG11202004065PA (en) 2020-06-29
US20200384417A1 (en) 2020-12-10

Similar Documents

Publication Publication Date Title
EP0442147B1 (fr) Ruban tissé à filaments creux
DE2151511C3 (de) Hohlfaden-Dialysator
EP0371189B1 (fr) Module à fibres creuses, procédé de fabrication dudit module et appareil pour la mise en oeuvre dudit procédé de fabrication
EP0285812B1 (fr) Ensemble à couches multiples à fibres creuses
DE3805414C1 (fr)
WO2001060477A2 (fr) Dispositif de filtration, de preference dialyseur a fibres creuses bouclees
EP3436183B1 (fr) Dispositif d'échange de substance et procédé de fabrication
DE2634451A1 (de) Stuetzsieb fuer stoffaustauschvorrichtungen
EP1218040A1 (fr) Module a membranes pour hemodiafiltration avec predilution ou postdilution integree du sang
EP3706887A1 (fr) Conditionnement de faisceau de membranes présentant des éléments d'écartement
DE8506819U1 (de) Vorrichtung zur Wärme- und/oder Stoffübertragung mit Hilfe von Hohlfäden
DE2733280A1 (de) Dialysegeraet und -verfahren
DE4308850A1 (de) Hohlfadenmatte
DE3839567A1 (de) Hohlfadenmodul zum abtrennen von gas
DE2814326A1 (de) Poroese abstuetzung zur verwendung in einer trenneinrichtung mit hohlfasern
DE19532365C2 (de) Hohlfaseroxygenator
DE2839937A1 (de) Hohlfaserdialysator mit dialysatfuehrung
DE2829893A1 (de) Fluessigkeitstrenngeraet
EP3482817A1 (fr) Habillage de faisceaux de membranes pourvu d'éléments d'écartement
DE102009038673A1 (de) Flechten der Hohlfaser bei Stoff-(Energie) Transportvorgängen in Austauscher-(Hohlfaser-)Modulen
DE19652695C1 (de) Hohlfasermodul mit profilierten Abstandsfäden
DE102011018925A1 (de) Hohlfaser-Anordnung für Filtervorrichtungen, insbesondere Dialysatoren, und Verfahren zu ihrer Herstellung
EP2055368A1 (fr) Module de fibre creuse sans boîtier
DE8030201U1 (de) Vorrichtung zur massenuebertragung zwischen fluiden
DE1959394B (de) Vorrichtung und Verfahren zur osmotischen Zerlegung von Fluidgemischen oder Lösungen

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200429

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20211027

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: EVONIK OPERATIONS GMBH