WO2005082496A1 - Modul für die mikro-bzw. ultrafiltration - Google Patents
Modul für die mikro-bzw. ultrafiltration Download PDFInfo
- Publication number
- WO2005082496A1 WO2005082496A1 PCT/EP2005/001610 EP2005001610W WO2005082496A1 WO 2005082496 A1 WO2005082496 A1 WO 2005082496A1 EP 2005001610 W EP2005001610 W EP 2005001610W WO 2005082496 A1 WO2005082496 A1 WO 2005082496A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter module
- tube
- pipe
- module
- coupling
- Prior art date
Links
- 238000001471 micro-filtration Methods 0.000 title description 4
- 238000000108 ultra-filtration Methods 0.000 title description 4
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 239000004743 Polypropylene Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- -1 polypropylene Polymers 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000012510 hollow fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/20—Accessories; Auxiliary operations
-
- 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
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
- B01D63/046—Hollow fibre modules comprising multiple hollow fibre assemblies in separate housings
-
- 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
-
- 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
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/20—Specific housing
-
- 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
- B01D2313/206—Specific housing characterised by the material
- B01D2313/2061—Organic, e.g. polymeric material
Definitions
- the invention relates to a module for micro or ultrafiltration, which is specially adapted for installation in a metal pipe system.
- Both the module housing and its interior (membranes) are preferably made of polypropylene. This guarantees high chemical resistance
- Micro and ultra filtration is a common process and has long been used in a wide variety of areas, such as in the food and pharmaceutical industries and in water / wastewater treatment, to name just a few.
- filtration modules are used. These are usually elongated hollow cylinders, which filtration membranes, e.g. in the form of porous plastic tubes.
- a filtration module is then integrated into a pipeline through which the medium to be filtered flows.
- several such modules are connected in parallel in a frame in order to increase the capacity.
- Filtration modules as used in the present invention are known.
- the product information for the KOCH Romicon ® hollow fiber modules (at http://www.abcor.de) describes such modules.
- Frames (racks) for accommodating filtration modules are also known as such and, for example, are also described in the product information of the KOCH Romicon ® hollow fiber modules.
- this document does not provide any information on solving the problem of different material expansion when using plastic modules in the temperature interval of 40 ° C and more.
- a device consisting of a tubular filter module consisting predominantly of plastic, at least one tube end of this filter module tube being provided with a tube coupling which can absorb axial forces in the longitudinal direction of the tube and is arranged above or in the filter module tube.
- Both pipe ends of the filter module are preferably equipped with this pipe coupling. Furthermore, the pipe coupling is preferably arranged above the filter module pipe.
- “Mainly made of plastic” means that at least the housing of the filter module (which does not include any fastening means) is made of plastic, such as PVC, PP polysulfone, etc., in particular polypropylene.
- the filter membranes arranged in the housing and their fastening devices are also preferably made of plastic, in particular Polypropylene or polyethylene, suitable Filter modules of this type are described, for example, in the product information for the KOCH Romicon ® hollow fiber modules.
- the pipe ends of the filter module housing are no longer installed in the metal pipe system using a flange or clamp connection or a screw connection, but rather using pipe couplings attached on one or both sides.
- These pipe couplings are commercially available (for example, type Combi Grip, from Straub, Wangs, Switzerland) and produce a tensile connection that is nevertheless suitable for absorbing axial forces between metal and plastic.
- the pipe couplings should expediently withstand an operating pressure of at least 6, preferably 16 bar.
- the operating temperature range should be between -20 ° C and + 80 ° C, preferably 0 ° C and 60 ° C.
- the pipe couplings should allow the filter module to extend in the longitudinal axis by several millimeters, preferably 3-8 mm, in particular 4-6 mm.
- the module housing is also provided with a fixed bearing, as a result of which only the ends of the module housing can expand.
- “Fixed bearing” in the sense according to the invention means a fastening device which is permanently and non-detachably connected to the module or its housing and with which the module can be firmly mounted at this point, for example on a frame or in a frame.
- This fixed bearing is expediently symmetrical to half the tube length of the The module housing is positioned and welded in. This fixed bearing in the middle of the module halves the length for the coupling selection, since the housing can only expand at the ends.
- FIG. 1 shows an arrangement of two filter modules (1) in a frame (4).
- the modules (1) are mounted vertically in the frame (4).
- the modules are firmly connected to a cross member of the frame (4) via two different fixed bearing brackets (3) attached in the middle of the module tube.
- This mounting arrangement has the advantage that the filter module can be calculated exactly according to its expansion. With a module length of 1550 mm and a temperature difference of 45 ° C, the module housing would expand by approx. 9 mm or 4.5 mm at the ends.
- Combi Grip (5) commercially available pipe couplings (from Straub, Wangs, Switzerland) can accommodate this longitudinal axial pipe expansion. The prerequisite for this is that the space required for the expansion is taken into account in the construction. It must also be taken into account for the corresponding gap in the coupling between the metal pipe end (6) and the filter module (1) so that the housing can expand within the coupling.
- the seats of the permeate drains (2) have to be considered constructively.
- the filter module (1) migrates axially along with it and can collide with the end of the coupling (5), which can lead to the permeate outlet connector (2) being torn off.
- the nozzles must be arranged further in the middle with respect to the transverse axis (7) of the filter module. This has the advantage that additional space is created inside the filter module at the head ends, which can be used for a more stable fastening of the membranes in the module - for example by potting.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004008814.4 | 2004-02-20 | ||
DE102004008814A DE102004008814A1 (de) | 2004-02-20 | 2004-02-20 | Modul für die Mikro- bzw. Ultrafiltration |
DE200420002835 DE202004002835U1 (de) | 2004-02-20 | 2004-02-20 | Modul für die Mikro- bzw. Ultrafiltration |
DE202004002835.2 | 2004-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005082496A1 true WO2005082496A1 (de) | 2005-09-09 |
Family
ID=34913331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/001610 WO2005082496A1 (de) | 2004-02-20 | 2005-02-17 | Modul für die mikro-bzw. ultrafiltration |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2005082496A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9821275B2 (en) | 2011-12-16 | 2017-11-21 | Meurer Reseach, Inc. | Method and system for cleaning membrane filters |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4131407A1 (de) * | 1991-09-20 | 1993-04-01 | Fraunhofer Ges Forschung | Modulkonstruktion mit anorganischen membranen |
EP1067320A2 (de) * | 1999-07-07 | 2001-01-10 | Air Products And Chemicals, Inc. | Nachgiebige, hochtemperaturbeständige Dichtungen für unterschiedliche Materialien |
US6247221B1 (en) * | 1992-09-17 | 2001-06-19 | Coors Tek, Inc. | Method for sealing and/or joining an end of a ceramic filter |
US20020000404A1 (en) * | 2000-03-17 | 2002-01-03 | Michael Mutsakis | Filtration element for severe service applications |
US6716275B1 (en) * | 2001-12-11 | 2004-04-06 | Sandia Corporation | Gas impermeable glaze for sealing a porous ceramic surface |
-
2005
- 2005-02-17 WO PCT/EP2005/001610 patent/WO2005082496A1/de active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4131407A1 (de) * | 1991-09-20 | 1993-04-01 | Fraunhofer Ges Forschung | Modulkonstruktion mit anorganischen membranen |
US6247221B1 (en) * | 1992-09-17 | 2001-06-19 | Coors Tek, Inc. | Method for sealing and/or joining an end of a ceramic filter |
EP1067320A2 (de) * | 1999-07-07 | 2001-01-10 | Air Products And Chemicals, Inc. | Nachgiebige, hochtemperaturbeständige Dichtungen für unterschiedliche Materialien |
US20020000404A1 (en) * | 2000-03-17 | 2002-01-03 | Michael Mutsakis | Filtration element for severe service applications |
US6716275B1 (en) * | 2001-12-11 | 2004-04-06 | Sandia Corporation | Gas impermeable glaze for sealing a porous ceramic surface |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9821275B2 (en) | 2011-12-16 | 2017-11-21 | Meurer Reseach, Inc. | Method and system for cleaning membrane filters |
US10080994B2 (en) | 2011-12-16 | 2018-09-25 | Meurer Research, Inc. | Method and system for cleaning membrane filters |
US10307714B2 (en) | 2011-12-16 | 2019-06-04 | Meurer Research, Inc. | Method and system for cleaning membrane filters |
US10722846B2 (en) | 2011-12-16 | 2020-07-28 | Meurer Research, Inc. | Method and system for cleaning membrane filters |
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