WO1996041676A1 - Filter - Google Patents
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- Publication number
- WO1996041676A1 WO1996041676A1 PCT/GB1996/001395 GB9601395W WO9641676A1 WO 1996041676 A1 WO1996041676 A1 WO 1996041676A1 GB 9601395 W GB9601395 W GB 9601395W WO 9641676 A1 WO9641676 A1 WO 9641676A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- support tube
- tubes
- filter
- tube
- Prior art date
Links
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 238000011179 visual inspection Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 63
- 239000012530 fluid Substances 0.000 claims description 25
- 239000012466 permeate Substances 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000011001 backwashing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000009434 installation Methods 0.000 description 17
- 239000012465 retentate Substances 0.000 description 10
- 238000003491 array Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000012206 bottled water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 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
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
- B01D65/102—Detection of leaks in membranes
-
- 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
- B01D63/04—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
- 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
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/23—Specific membrane protectors, e.g. sleeves or screens
Definitions
- the present invention relates to filters, and in particular to filters
- tubes may be for example hollow fibres of the type used in microfiltration and
- fluid to be filtered is pumped into the space around the filter
- the seals being formed from for example plugs of epoxy resin through which the
- open-ended filter tubes extend. Liquid to be filtered is pumped into the support
- a filter comprising
- tubular housing which receives the support tube, at least two conduits
- the support tube communicating with the open ends of the filter tubes, at least
- a bundle of filter tubes can be removed from an installation without it being
- the housing comprises two axially aligned sealing tubes each of
- each sealing tube being connected to at least one conduit.
- a single sealing tube may be
- tube may be open ended.
- the housing is connected to first and second conduits which
- conduits for backwashing the filter tubes by directing a flow of backwash
- the annular seals may be retained in circumferential grooves defined in
- At least one annular seal may comprise a
- the housing has a transparent wall to enable visual detection of
- transparent wall may be defined in the or one of the removable covers.
- leak detection and location is a simple
- the housing may support a plug slidable within one end of the support
- the isolated unit can be replaced subsequently.
- the or each removable cover comprises a disc supporting a circumferential seal
- each removable cover comprises a plate supporting a seal
- the conduits may extend radially from the tubular housing, the or each
- conduit communicating with the space within the support tube around the filter tubes being connected to a passageway extending around the housing and communicating with radial holes in the housing wall.
- the conduits are defined by chambers across which the housing extends, the interior of the
- conduits may be defined by assemblies of interconnected
- Each housing component may receive one support tube, or
- each housing component may receive a
- components may be integrally moulded to define tubular sections which sealingly
- the housing components may be clamped together or secured together by alternative means, for example adhesives.
- Each housing component may form a part of one conduit and communicate with one
- a plurality of housings may be provided each of which extends
- housings may be arranged in a series of vertically spaced sections each of which includes a
- the invention also provides a filter comprising a bundle of filter tubes
- a tubular housing for receiving at least one end of the support tube, and seals arranged between the
- the invention further provides a filter comprising a bundle of filter tubes
- a housing for receiving
- the flow path includes at least one opening adjacent an end of the
- Figure 1 is a schematic representation of the structure of a water
- Figure 2 is a schematic representation of the flow of water to be filtered
- Figure 3 is a side view of a filter tube bundle incorporated in the
- Figure 4 shows an axial section through a sealing tube incorporated in the
- Figure 5 is a section on line 5-5 of Figure 4;
- Figure 6 is an axial section through one end of a support tube as
- Figure 7 is a view on line 7-7 of Figure 6;
- Figures 8 and 9 are schematic sectional views of a modified sealing tube
- Figure 10 schematically represents a tool which may be used to actuate
- Figures 11 and 12 are respectively side and end views of a further
- Figure 13 is a schematic representation of the flow of water to be filtered
- Figure 14 is a side view of one end of a filter tube bundle incorporated in
- Figure 15 is a sectional view in a horizontal plane through a sealing tube
- Figure 16 illustrates the structure which results from the insertion of the
- Figure 17 is an end view of a removable cover incorporated in the
- Figure 20 is a schematic illustration of an alternative conduit
- the illustrated assembly comprises pipes 1 and 2
- the pipe 1 is connected to vertically-extending box-section
- passageways 7 and 9 are interconnected by tubular filter bundles 11.
- the installation will be operated in accordance with a predetermined cycle such that the direction of flow of water through the system is periodically reversed to wash out particles that have accumulated on the filter tubes.
- each filter bundle is represented as an outer support tube within
- each filter is positioned adjacent the ends of the support tube. It will be appreciated that each filter
- the structure illustrated in Figure 1 comprises four vertical arrays of six
- each array could be provided as is required with each array including
- Figure 3 illustrates one of the Alter tube bundles 11 of Figure 1.
- seals are supported on the tube 16, the seals of each pair being axially spaced
- Each seal comprises a plastic O-
- ring mount 17 which is bonded to the tube 16 and supports an O-ring 18.
- each aperture 20 communicates with the interior of the tube 16 through which
- FIGS. 4 and 5 illustrate a sealing tube one of which receives each end of
- Each sealing tube comprises
- a tubular body 21 in which two arrays of apertures 22 and 23 are formed.
- Bearing surfaces 24 are machined on the inner surface of the sealing tube 21, the
- bearing surfaces 24 being intended to contact respective O-rings 18 on the end of
- box-section chambers one of which defines a passageway which communicates
- the sealing tube 21 projects through the
- sealing tube 21 positioned uppermost in a vertical array of filter tube bundles.
- Water to be filtered is introduced through a three inch flange 31 in the direction
- That conduit is in communication with a two inch
- the assembly may be tested for leakage however relatively easily
- the housings which are formed by the walls 25 to 28, the sealing tubes 21
- the walls 25, 26 and 27 may be formed
- sealing tubes 21 are punched and into which the sealing tubes 21 are inserted.
- the sealing tubes 21 are punched and into which the sealing tubes 21 are inserted.
- heads which are often referred to as "headers” in that they receive the heads of
- the headers may be mounted on
- adjustable bolts to allow for the precise alignment of the different components.
- the headers are mounted on the frame at an appropriate separation to receive
- the filter tube bundles To insert each filter tube bundle, the O-rings 18 are removed, the transparent plate 15 is removed from one header, and the support
- assemblies may be pushed home using a simple tool (not shown) incorporating a
- a spring clip (not
- the illustrated system has the advantage of simplicity. The only
- O-rings 18 seal on machined surfaces which will not distort and therefore should
- the support tubes 16 define a continuous
- Figures 8 and 9 show views of a modified arrangement similar to the
- the piston 36 incorporates a transparent end panel 39 to which a screw 40 is
- the piston 36 may be positioned as shown in Figure 8 such that the
- openings 23 are not obstructed and the operation of the device is exactly as
- piston 36 may
- Figure 10 schematically represents an insertion and extraction tool for
- the screw 40 is attached to a simple drive handle 41 which in turn is connected to
- the blocking piston 36 may be secured in position by any means
- each tube bundle acts as a
- fiows shown in Figure 2 represents the flow through a vertical array of six tube
- Figure 13 represents the flow through a horizontal array of flve tube
- Ave vertical arrays of tube bundles 41 each vertical array incorporating six tube bundles such that the installation supports a total of thirty
- backwashed fluid is delivered to a conduit 45.
- the conduit 45 communicates
- conduit 42 communicates with
- Figure 13 shows the flow to the uppermost layer of flve Alter bundles 41.
- raw water is pumped in through conduit 42, enters the support tubes
- conduits 44 and 45 pumping backwash water into conduit 44.
- Figure 11 shows a flow control valve 50 provided on the conduit 43.
- conduits 42 and 45 are controlled as appropriate to achieve the
- Each of the sealing rings is of C-shaped section and in its free state
- Apertures 56 which may be arranged for example in two rows as shown extend
- the axial end of the tube bundle is in operation isolated from the apertures 56.
- each end of each tube bundle is received in a sealing tube of the type
- the sealing tube defines a smooth inner surface 57 and
- the flange 59 communicates with an
- annular passageway 60 extending around the sealing tube, that annular
- circumferential O-ring 67 forms a secure seal between the end cap 64 and the
- the end cap also supports projecting abutments 68 which extend axially into the interior of the sealing tube.
- Figure 16 shows the end of the tube bundle of Figure 14 inserted into the
- end of the tube bundle is maintained at a predetermined distance from the end
- the air escape holes 62 are aligned with the flange 58 and as a result any air which may enter that portion of the system can escape vertically. Similarly, the
- air escape holes 62 are aligned with the flange 59 to ensure that air can escape
- the outermost bleed hole 63 is axially aligned
- Appropriate detectors can be positioned to detect any fluid leaking through the bleed holes 63 to provide an
- FIG. 1 for vertically interconnecting adjacent support tubes is illustrated.
- support tubes 68 extend through a Arst housing component 69 into a
- the support tubes 68 are aligned with removable
- the end cap 71 may be transparent to enable the inspection of the
- housing components 69 and 70 are identical
- integral mouldings each defining an upper opening 72, a lower opening 73, and
- tubular portions 74 which are either closed by an end cap 71 or through which
- housing components 69 defines a conduit communicating with the interior of the
- Figures 18 and 19 enables the use of a limited range of different components to form Alter structures of very different size. Thus Alters can be manufactured to meet a wide range of applications.
- each support tube is connected to a branch conduit 78 which extends
- That conduit 79 is in turn connected to a vertical conduit 80. Similarly each end
- each support tube is connected by a branch conduit 81 which extends
- conduit 82 downwards to a conduit 82. That conduit is in turn connected to a conduit 83.
- support tubes can be very small.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Centrifugal Separators (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9502790A JPH11507592A (en) | 1995-06-10 | 1996-06-10 | filter |
AU60113/96A AU6011396A (en) | 1995-06-10 | 1996-06-10 | Filter |
EP96917589A EP0831962A1 (en) | 1995-06-10 | 1996-06-10 | Filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9511842.8A GB9511842D0 (en) | 1995-06-10 | 1995-06-10 | Filter |
GB9511842.8 | 1995-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996041676A1 true WO1996041676A1 (en) | 1996-12-27 |
Family
ID=10775882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1996/001395 WO1996041676A1 (en) | 1995-06-10 | 1996-06-10 | Filter |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0831962A1 (en) |
JP (1) | JPH11507592A (en) |
AU (1) | AU6011396A (en) |
CA (1) | CA2224215A1 (en) |
GB (1) | GB9511842D0 (en) |
WO (1) | WO1996041676A1 (en) |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998013130A1 (en) * | 1996-09-26 | 1998-04-02 | Bucher-Guyer Ag | System for membrane filtration in a cross stream process |
WO1998024538A1 (en) * | 1996-12-05 | 1998-06-11 | Bucher-Guyer Ag | Membrane filtration system for a cross-flow method |
EP1189682A1 (en) * | 1999-04-20 | 2002-03-27 | USF Filter Wastewater Group Inc. | Membrane filtration manifold system |
WO2004078326A2 (en) * | 2003-03-05 | 2004-09-16 | Hydranautics | Submergible membrane modular filtration device having replaceable membrane elements |
WO2008076611A1 (en) | 2006-12-20 | 2008-06-26 | Uop Llc | Multi-tube pressure vessel |
US8057574B2 (en) | 2003-07-08 | 2011-11-15 | Siemens Industry, Inc. | Membrane post treatment |
WO2011157835A1 (en) * | 2010-06-18 | 2011-12-22 | Polymem | Water filtration module and method for the manufacture and use thereof |
US8268176B2 (en) | 2003-08-29 | 2012-09-18 | Siemens Industry, Inc. | Backwash |
US8287743B2 (en) | 2007-05-29 | 2012-10-16 | Siemens Industry, Inc. | Membrane cleaning with pulsed airlift pump |
US8293098B2 (en) | 2006-10-24 | 2012-10-23 | Siemens Industry, Inc. | Infiltration/inflow control for membrane bioreactor |
US8318028B2 (en) | 2007-04-02 | 2012-11-27 | Siemens Industry, Inc. | Infiltration/inflow control for membrane bioreactor |
US8377305B2 (en) | 2004-09-15 | 2013-02-19 | Siemens Industry, Inc. | Continuously variable aeration |
US8382981B2 (en) | 2008-07-24 | 2013-02-26 | Siemens Industry, Inc. | Frame system for membrane filtration modules |
US8496828B2 (en) | 2004-12-24 | 2013-07-30 | Siemens Industry, Inc. | Cleaning in membrane filtration systems |
US8506806B2 (en) | 2004-09-14 | 2013-08-13 | Siemens Industry, Inc. | Methods and apparatus for removing solids from a membrane module |
US8518256B2 (en) | 2001-04-04 | 2013-08-27 | Siemens Industry, Inc. | Membrane module |
US8758622B2 (en) | 2004-12-24 | 2014-06-24 | Evoqua Water Technologies Llc | Simple gas scouring method and apparatus |
US8758621B2 (en) | 2004-03-26 | 2014-06-24 | Evoqua Water Technologies Llc | Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis |
US8790515B2 (en) | 2004-09-07 | 2014-07-29 | Evoqua Water Technologies Llc | Reduction of backwash liquid waste |
US8808540B2 (en) | 2003-11-14 | 2014-08-19 | Evoqua Water Technologies Llc | Module cleaning method |
US8858796B2 (en) | 2005-08-22 | 2014-10-14 | Evoqua Water Technologies Llc | Assembly for water filtration using a tube manifold to minimise backwash |
US8956464B2 (en) | 2009-06-11 | 2015-02-17 | Evoqua Water Technologies Llc | Method of cleaning membranes |
US9022224B2 (en) | 2010-09-24 | 2015-05-05 | Evoqua Water Technologies Llc | Fluid control manifold for membrane filtration system |
US9533261B2 (en) | 2012-06-28 | 2017-01-03 | Evoqua Water Technologies Llc | Potting method |
DE102006020662B4 (en) * | 2006-05-04 | 2017-03-16 | 3M Innovative Properties Company | Method of repairing leaks in a hollow fiber membrane module |
US9604166B2 (en) | 2011-09-30 | 2017-03-28 | Evoqua Water Technologies Llc | Manifold arrangement |
US9675938B2 (en) | 2005-04-29 | 2017-06-13 | Evoqua Water Technologies Llc | Chemical clean for membrane filter |
US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
US9815027B2 (en) | 2012-09-27 | 2017-11-14 | Evoqua Water Technologies Llc | Gas scouring apparatus for immersed membranes |
US9868834B2 (en) | 2012-09-14 | 2018-01-16 | Evoqua Water Technologies Llc | Polymer blend for membranes |
US9914097B2 (en) | 2010-04-30 | 2018-03-13 | Evoqua Water Technologies Llc | Fluid flow distribution device |
US9925499B2 (en) | 2011-09-30 | 2018-03-27 | Evoqua Water Technologies Llc | Isolation valve with seal for end cap of a filtration system |
US9962865B2 (en) | 2012-09-26 | 2018-05-08 | Evoqua Water Technologies Llc | Membrane potting methods |
US10322375B2 (en) | 2015-07-14 | 2019-06-18 | Evoqua Water Technologies Llc | Aeration device for filtration system |
US10427102B2 (en) | 2013-10-02 | 2019-10-01 | Evoqua Water Technologies Llc | Method and device for repairing a membrane filtration module |
WO2021254755A1 (en) * | 2020-06-18 | 2021-12-23 | Fresenius Medical Care Deutschland Gmbh | Pipework arrangement for a filtration system |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101413157B1 (en) * | 2009-10-02 | 2014-07-01 | 가부시키가이샤 유아사 맴브렌 시스템 | Ballast water treatment method using ballast water treatment membrane cartridges |
JP7470691B2 (en) * | 2018-12-12 | 2024-04-18 | アクアポリン エーエス | Hollow Fiber Module |
CN110585927A (en) * | 2019-09-20 | 2019-12-20 | 杭州凯洁膜分离技术有限公司 | High-speed cross-flow anti-fouling tubular structure elastic ultrafiltration membrane and manufacturing process thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3722694A (en) * | 1970-06-10 | 1973-03-27 | Romicon Inc | Filtration device |
US4016078A (en) * | 1975-03-06 | 1977-04-05 | The Dow Chemical Company | Header block for tubular membrane permeator modules |
EP0046889A1 (en) * | 1980-08-28 | 1982-03-10 | Akzo GmbH | Device for the transfer of heat and material by hollow fibres |
EP0203378A2 (en) * | 1985-04-27 | 1986-12-03 | Akzo Patente GmbH | Mass and/or heat-exchange apparatus |
DE3916511A1 (en) * | 1989-05-20 | 1990-12-13 | Seitz Filter Werke | MEMBRANE FILTER DEVICE FOR MICRO AND ULTRAFILTRATION OF FLUIDS IN THE CROSSFLOW PROCESS |
WO1991016124A1 (en) * | 1990-04-20 | 1991-10-31 | Memtec Limited | Modular microporous filter assemblies |
FR2674448A1 (en) * | 1991-03-26 | 1992-10-02 | Dumez Lyonnaise Eaux | Process for cleaning mesoporous tubular ultrafiltration membranes |
-
1995
- 1995-06-10 GB GBGB9511842.8A patent/GB9511842D0/en active Pending
-
1996
- 1996-06-10 WO PCT/GB1996/001395 patent/WO1996041676A1/en not_active Application Discontinuation
- 1996-06-10 JP JP9502790A patent/JPH11507592A/en active Pending
- 1996-06-10 AU AU60113/96A patent/AU6011396A/en not_active Abandoned
- 1996-06-10 CA CA002224215A patent/CA2224215A1/en not_active Abandoned
- 1996-06-10 EP EP96917589A patent/EP0831962A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3722694A (en) * | 1970-06-10 | 1973-03-27 | Romicon Inc | Filtration device |
US4016078A (en) * | 1975-03-06 | 1977-04-05 | The Dow Chemical Company | Header block for tubular membrane permeator modules |
EP0046889A1 (en) * | 1980-08-28 | 1982-03-10 | Akzo GmbH | Device for the transfer of heat and material by hollow fibres |
EP0203378A2 (en) * | 1985-04-27 | 1986-12-03 | Akzo Patente GmbH | Mass and/or heat-exchange apparatus |
DE3916511A1 (en) * | 1989-05-20 | 1990-12-13 | Seitz Filter Werke | MEMBRANE FILTER DEVICE FOR MICRO AND ULTRAFILTRATION OF FLUIDS IN THE CROSSFLOW PROCESS |
WO1991016124A1 (en) * | 1990-04-20 | 1991-10-31 | Memtec Limited | Modular microporous filter assemblies |
FR2674448A1 (en) * | 1991-03-26 | 1992-10-02 | Dumez Lyonnaise Eaux | Process for cleaning mesoporous tubular ultrafiltration membranes |
Cited By (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998013130A1 (en) * | 1996-09-26 | 1998-04-02 | Bucher-Guyer Ag | System for membrane filtration in a cross stream process |
AU713484B2 (en) * | 1996-09-26 | 1999-12-02 | Bucher-Guyer Ag | System for membrane filtration in a cross stream process |
US6083390A (en) * | 1996-09-26 | 2000-07-04 | Bucher-Guyer Ag | System for membrane filtration in a cross stream process |
WO1998024538A1 (en) * | 1996-12-05 | 1998-06-11 | Bucher-Guyer Ag | Membrane filtration system for a cross-flow method |
US6210576B1 (en) | 1996-12-05 | 2001-04-03 | Bucher-Guyer Ag | System for cross-flow membrane filtration |
EP1189682A4 (en) * | 1999-04-20 | 2003-01-02 | Usf Filter Wastewater Group In | Membrane filtration manifold system |
EP1189682A1 (en) * | 1999-04-20 | 2002-03-27 | USF Filter Wastewater Group Inc. | Membrane filtration manifold system |
US8518256B2 (en) | 2001-04-04 | 2013-08-27 | Siemens Industry, Inc. | Membrane module |
WO2004078326A2 (en) * | 2003-03-05 | 2004-09-16 | Hydranautics | Submergible membrane modular filtration device having replaceable membrane elements |
WO2004078326A3 (en) * | 2003-03-05 | 2005-02-17 | Hydranautics | Submergible membrane modular filtration device having replaceable membrane elements |
US8057574B2 (en) | 2003-07-08 | 2011-11-15 | Siemens Industry, Inc. | Membrane post treatment |
US8262778B2 (en) | 2003-07-08 | 2012-09-11 | Siemens Industry, Inc. | Membrane post treatment |
US8268176B2 (en) | 2003-08-29 | 2012-09-18 | Siemens Industry, Inc. | Backwash |
US8808540B2 (en) | 2003-11-14 | 2014-08-19 | Evoqua Water Technologies Llc | Module cleaning method |
US8758621B2 (en) | 2004-03-26 | 2014-06-24 | Evoqua Water Technologies Llc | Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis |
US8790515B2 (en) | 2004-09-07 | 2014-07-29 | Evoqua Water Technologies Llc | Reduction of backwash liquid waste |
US8506806B2 (en) | 2004-09-14 | 2013-08-13 | Siemens Industry, Inc. | Methods and apparatus for removing solids from a membrane module |
US8377305B2 (en) | 2004-09-15 | 2013-02-19 | Siemens Industry, Inc. | Continuously variable aeration |
US8758622B2 (en) | 2004-12-24 | 2014-06-24 | Evoqua Water Technologies Llc | Simple gas scouring method and apparatus |
US8496828B2 (en) | 2004-12-24 | 2013-07-30 | Siemens Industry, Inc. | Cleaning in membrane filtration systems |
US9675938B2 (en) | 2005-04-29 | 2017-06-13 | Evoqua Water Technologies Llc | Chemical clean for membrane filter |
US8894858B1 (en) | 2005-08-22 | 2014-11-25 | Evoqua Water Technologies Llc | Method and assembly for water filtration using a tube manifold to minimize backwash |
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Also Published As
Publication number | Publication date |
---|---|
AU6011396A (en) | 1997-01-09 |
GB9511842D0 (en) | 1995-08-09 |
EP0831962A1 (en) | 1998-04-01 |
CA2224215A1 (en) | 1996-12-27 |
JPH11507592A (en) | 1999-07-06 |
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