WO2003053552A1 - Verfahren zur membranfiltration in flüssigkeiten - Google Patents
Verfahren zur membranfiltration in flüssigkeiten Download PDFInfo
- Publication number
- WO2003053552A1 WO2003053552A1 PCT/EP2002/011629 EP0211629W WO03053552A1 WO 2003053552 A1 WO2003053552 A1 WO 2003053552A1 EP 0211629 W EP0211629 W EP 0211629W WO 03053552 A1 WO03053552 A1 WO 03053552A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- fiber bundle
- fluid
- filtered
- water
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005374 membrane filtration Methods 0.000 title claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 41
- 239000012466 permeate Substances 0.000 claims abstract description 22
- 210000001601 blood-air barrier Anatomy 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 description 10
- 238000001914 filtration Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- B01D65/08—Prevention of membrane fouling or of concentration polarisation
-
- 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
- B01D61/18—Apparatus therefor
-
- 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
- B01D63/04—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
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/06—Submerged-type; Immersion type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/30—Mechanical cleaning, e.g. with brushes or scrapers
Definitions
- the invention relates to a method for membrane filtration in liquids using a fiber bundle composed of capillary membranes which have an end cast into a head piece and open to a permeate collection space of the head piece.
- the fiber bundle is immersed in a liquid to be filtered or flows around the liquid to be filtered, a pressure difference being generated between the liquid to be filtered and the permeate collection space and a permeate flowing off at the open end of the capillary membranes being withdrawn from the permeate collection space.
- a fiber bundle made of capillary membranes is used, which are clamped on the end side between two head pieces.
- the fiber bundle is gassed with air, which is supplied through a mouthpiece arranged inside the fiber bundle.
- the cleaning effect of the gas bubbles rising within the fiber bundle is limited. Under difficult filtration conditions, e.g. in the case of fibrous residues or residues adhering firmly to the membrane surfaces, it cannot be prevented that deposits build up on the head pieces and grow into the fiber bundle.
- the invention is based on the object of specifying a method for membrane filtration with which deposits in the fiber bundle are effective even under difficult filtration conditions. removed or the formation of such deposits can be limited.
- the object of the invention and solution to this problem is a method for membrane filtration in liquids using a fiber bundle made of capillary membranes which have an end cast into a head piece and open to a permeate collection space of the head piece and a closed end which can move freely without clamping,
- the fiber bundle is immersed in a liquid to be filtered or flows around the liquid to be filtered
- a fluid is supplied at least at intervals through a mouthpiece protruding into the fiber bundle and exerts shear forces on the deposits associated with a cleaning action
- Water is preferably used as the liquid and a water / air mixture as the liquid / gas mixture.
- a the preferred application of the method according to the invention is water treatment.
- the invention begins with the consideration that the capillary membranes of the fiber bundle are cast into a head piece only at one end and that the fiber bundle ends at its other end freely movable in the liquid to be filtered without being clamped.
- the fluid introduced into the interior of the fiber bundle to remove deposits in the fiber bundle flows through the fiber bundle in a defined flow from the inside to the outside and flows out in the longitudinal direction of the capillary membranes.
- the capillary membranes move in the liquid, which supports the detachment of membrane covers. At the free end of the fiber bundle, an effective removal of dirt particles is ensured. It is also advantageous in this context that the fiber bundle expands radially due to the central entry of the fluid, thereby creating a free space between the capillary membranes, which ensures effective solids discharge.
- the cleaning effect is further improved according to the invention in that a liquid or a liquid / gas mixture is used as the fluid.
- the fluid which exits the mouthpiece preferably at a high flow rate, generates a considerable cleaning effect due to momentum and shear forces.
- a liquid or a liquid / gas mixture it is also possible to keep the fiber bundle area directly adjoining the head piece largely free of deposits or to remove residues from this area.
- the invention teaches that the fluid composition, in particular the gas content within the fluid, changes during operation and the cleaning effect is thereby influenced in a targeted manner.
- a further embodiment of the method according to the invention provides that water or a water / air mixture are used alternately with air as the fluid. Furthermore, cleaning chemicals can be added to the fluid at least temporarily.
- the fluid used and the mouthpiece must be coordinated.
- interchangeable mouthpieces of different lengths and / or with different nozzle outlet geometries are used.
- a mouthpiece with separate channels for liquid and gas can be used, the mouthpiece being designed such that the liquid and the gas are introduced into the fiber bundle at different sections and / or with different flow directions.
- the basic structure of the membrane filter shown in the figures includes a head piece 1, which has a permeate collecting space 2 with a permeate outlet 3, and at least one fiber bundle 4 composed of capillary membranes 5, which are closed at one end 6 and on the other side with an open one End of the permeate collection chamber 2 are poured into the head piece 1.
- the capillary membranes 5 are preferably ultrafiltration membranes or microfiltration membranes, the diameter of which is less than 5 mm. They preferably have diameters between 0.5 and 3 mm.
- the capillary membranes are surrounded by the liquid 7 to be filtered.
- the filtration takes place due to a transmembrane pressure difference, which can be generated by an overpressure in the liquid to be filtered and / or a permeate-side vacuum.
- the clarified liquid (permeate) flows out in the capillary membranes 5 to the permeate collection space 2 and is withdrawn from the permeate collection space.
- the fiber bundle is immersed in the liquid 7 to be filtered.
- the capillary membranes 5 cast at one end in the head piece 1 are freely movable at their other closed end 6 and perform more or less pronounced lateral movements under the effect of the turbulence prevailing in the liquid and the currents occurring.
- a basket 8 is placed on the head piece 1 to limit the lateral movements.
- the membrane filter has a filter space 9 through which the liquid 7 to be filtered flows. The flow to the filter chamber 9 takes place through bores 10 in the head piece 1 in a section outside the fiber bundle 4.
- the liquid 7 is essentially guided past the outside of the fiber bundle 4 and flows out in the longitudinal direction of the capillary membranes 5.
- a fluid 11 is supplied at least at intervals through a mouthpiece 12 projecting into the fiber bundle.
- the mouthpiece 12 extends within the fiber bundle 4 essentially parallel to the capillary membranes 5 and has a tubular section with circumferential bores 13. However, it can also be designed, for example, as an annular gap nozzle from which the fluid 11 emerges with a radial orientation.
- a liquid, in particular water, or a liquid / gas mixture, in particular a water / air mixture, is used as the fluid 11.
- the fluid 11 exerts a cleaning effect on deposits within the fiber bundle 4 due to the emerging impulse and shear forces. Cover layers that have formed on the membrane surface during membrane filtration are cleaned and discharged from the fiber bundle 4 with the fluid flow.
- the cleaning effect can be influenced by the fluid composition, in particular the gas content in the liquid. It is within the scope of the invention to control the mixing ratio of water and air and to change the fluid composition in operation in order to thereby influence the cleaning action. Furthermore, there is Possibility to use water or a water / air mixture alternating with air as a fluid. Finally, cleaning chemicals can be added to the fluid at least temporarily.
- the mouthpiece 12 of the membrane filter is interchangeable and can be replaced by another mouthpiece, which differs in length and / or the nozzle outlet geometry.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002346937A AU2002346937A1 (en) | 2001-12-12 | 2002-10-17 | Method for the membrane filtration of liquids |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10161095A DE10161095C1 (de) | 2001-12-12 | 2001-12-12 | Verfahren zur Membranfiltration in Flüssigkeiten |
DE10161095.5 | 2001-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003053552A1 true WO2003053552A1 (de) | 2003-07-03 |
Family
ID=7708975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/011629 WO2003053552A1 (de) | 2001-12-12 | 2002-10-17 | Verfahren zur membranfiltration in flüssigkeiten |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2002346937A1 (de) |
DE (1) | DE10161095C1 (de) |
WO (1) | WO2003053552A1 (de) |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007022576A1 (en) * | 2005-08-22 | 2007-03-01 | Siemens Water Technologies Corp. | An assembly for water filtration using a tube manifold to minimise backwash |
AU2006284524B2 (en) * | 2005-08-22 | 2011-04-21 | Evoqua Water Technologies Llc | An assembly for water filtration using a tube manifold to minimise backwash |
US8182687B2 (en) | 2002-06-18 | 2012-05-22 | Siemens Industry, Inc. | Methods of minimising the effect of integrity loss in hollow fibre membrane modules |
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 |
US8512568B2 (en) | 2001-08-09 | 2013-08-20 | Siemens Industry, Inc. | Method of cleaning membrane modules |
US8518256B2 (en) | 2001-04-04 | 2013-08-27 | Siemens Industry, Inc. | Membrane module |
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 |
US8758622B2 (en) | 2004-12-24 | 2014-06-24 | Evoqua Water Technologies Llc | Simple gas scouring method and apparatus |
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 |
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 |
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 |
US9764289B2 (en) | 2012-09-26 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane securement device |
US9815027B2 (en) | 2012-09-27 | 2017-11-14 | Evoqua Water Technologies Llc | Gas scouring apparatus for immersed 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 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10301860A1 (de) * | 2003-01-17 | 2004-07-29 | Puron Ag | Membrananlage und Verfahren zur permeatseitigen Reinigung dieser Anlage |
DE102009028357B4 (de) * | 2009-08-07 | 2014-12-18 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes Hausgerät mit einem Abpumpstrang |
DE102012000142B4 (de) * | 2012-01-05 | 2015-12-17 | Jochen Henkel | Filtrationsvorrichtung und Verfahren zum Filtrieren |
DE102021123363A1 (de) | 2021-09-09 | 2023-03-09 | membion Gmbh | Membranfilter und Verfahren zum Filtern |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05285349A (ja) * | 1992-04-03 | 1993-11-02 | Nitto Denko Corp | 膜分離装置 |
JPH07185268A (ja) * | 1993-12-28 | 1995-07-25 | Toray Ind Inc | 中空糸濾過膜エレメントおよびモジュール |
JPH09131518A (ja) * | 1995-11-09 | 1997-05-20 | Hitachi Ltd | 濾過装置 |
WO1998028066A1 (en) * | 1996-12-20 | 1998-07-02 | Usf Filtration And Separations Group, Inc. | Scouring method |
JPH1133367A (ja) * | 1997-07-24 | 1999-02-09 | Mitsubishi Rayon Co Ltd | 中空糸膜モジュール |
US6126819A (en) * | 1998-03-13 | 2000-10-03 | Rochem Ro-Wasserbehandlung Gmbh | Apparatus for the treatment of liquids contaminated by foreign substances |
JP2000317276A (ja) * | 1999-05-12 | 2000-11-21 | Zenken:Kk | 濾過装置 |
EP1180391A2 (de) * | 2000-08-18 | 2002-02-20 | SANYO ELECTRIC Co., Ltd. | Filtervorrichtung |
WO2002022244A1 (de) * | 2000-09-13 | 2002-03-21 | Puron Ag | Membranfilter für die wasseraufbereitung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19527295C1 (de) * | 1995-07-26 | 1996-06-05 | Hager & Elsaesser | Verfahren zur biologischen Reinigung von Abwässern sowie Vorrichtung zur Durchführung des Verfahrens |
DE19811945A1 (de) * | 1998-03-13 | 1999-09-16 | Rochem Ro Wasserbehandlung Gmbh | Vorrichtung zur Trennung von mit Fremdstoffen belasteten flüssigen Medien |
-
2001
- 2001-12-12 DE DE10161095A patent/DE10161095C1/de not_active Expired - Fee Related
-
2002
- 2002-10-17 AU AU2002346937A patent/AU2002346937A1/en not_active Abandoned
- 2002-10-17 WO PCT/EP2002/011629 patent/WO2003053552A1/de not_active Application Discontinuation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05285349A (ja) * | 1992-04-03 | 1993-11-02 | Nitto Denko Corp | 膜分離装置 |
JPH07185268A (ja) * | 1993-12-28 | 1995-07-25 | Toray Ind Inc | 中空糸濾過膜エレメントおよびモジュール |
JPH09131518A (ja) * | 1995-11-09 | 1997-05-20 | Hitachi Ltd | 濾過装置 |
WO1998028066A1 (en) * | 1996-12-20 | 1998-07-02 | Usf Filtration And Separations Group, Inc. | Scouring method |
JPH1133367A (ja) * | 1997-07-24 | 1999-02-09 | Mitsubishi Rayon Co Ltd | 中空糸膜モジュール |
US6126819A (en) * | 1998-03-13 | 2000-10-03 | Rochem Ro-Wasserbehandlung Gmbh | Apparatus for the treatment of liquids contaminated by foreign substances |
JP2000317276A (ja) * | 1999-05-12 | 2000-11-21 | Zenken:Kk | 濾過装置 |
EP1180391A2 (de) * | 2000-08-18 | 2002-02-20 | SANYO ELECTRIC Co., Ltd. | Filtervorrichtung |
WO2002022244A1 (de) * | 2000-09-13 | 2002-03-21 | Puron Ag | Membranfilter für die wasseraufbereitung |
Non-Patent Citations (6)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 075 (C - 1163) 8 February 1994 (1994-02-08) * |
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 10 30 November 1995 (1995-11-30) * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 09 30 September 1997 (1997-09-30) * |
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 05 31 May 1999 (1999-05-31) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 14 5 March 2001 (2001-03-05) * |
SERRA C ET AL: "Use of air sparging to improve backwash efficiency in hollow-fiber modules", JOURNAL OF MEMBRANE SCIENCE, ELSEVIER SCIENCE, AMSTERDAM, NL, vol. 161, no. 1-2, 1 August 1999 (1999-08-01), pages 95 - 113, XP004172635, ISSN: 0376-7388 * |
Cited By (45)
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---|---|---|---|---|
US8518256B2 (en) | 2001-04-04 | 2013-08-27 | Siemens Industry, Inc. | Membrane module |
US8512568B2 (en) | 2001-08-09 | 2013-08-20 | Siemens Industry, Inc. | Method of cleaning membrane modules |
US8182687B2 (en) | 2002-06-18 | 2012-05-22 | Siemens Industry, Inc. | Methods of minimising the effect of integrity loss in hollow fibre membrane modules |
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 |
US8858796B2 (en) * | 2005-08-22 | 2014-10-14 | Evoqua Water Technologies Llc | Assembly for water filtration using a tube manifold to minimise backwash |
AU2006284524B2 (en) * | 2005-08-22 | 2011-04-21 | Evoqua Water Technologies Llc | An assembly for water filtration using a tube manifold to minimise backwash |
WO2007022576A1 (en) * | 2005-08-22 | 2007-03-01 | Siemens Water Technologies Corp. | An assembly for water filtration using a tube manifold to minimise backwash |
US8293098B2 (en) | 2006-10-24 | 2012-10-23 | Siemens Industry, Inc. | Infiltration/inflow control for membrane bioreactor |
US8623202B2 (en) | 2007-04-02 | 2014-01-07 | Siemens Water Technologies Llc | Infiltration/inflow control for membrane bioreactor |
US8318028B2 (en) | 2007-04-02 | 2012-11-27 | Siemens Industry, Inc. | Infiltration/inflow control for membrane bioreactor |
US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
US9573824B2 (en) | 2007-05-29 | 2017-02-21 | Evoqua Water Technologies Llc | Membrane cleaning with pulsed airlift pump |
US8622222B2 (en) | 2007-05-29 | 2014-01-07 | Siemens Water Technologies Llc | Membrane cleaning with pulsed airlift pump |
US8287743B2 (en) | 2007-05-29 | 2012-10-16 | Siemens Industry, Inc. | Membrane cleaning with pulsed airlift pump |
US8840783B2 (en) | 2007-05-29 | 2014-09-23 | Evoqua Water Technologies Llc | Water treatment membrane cleaning with pulsed airlift pump |
US9206057B2 (en) | 2007-05-29 | 2015-12-08 | Evoqua Water Technologies Llc | Membrane cleaning with pulsed airlift pump |
US10507431B2 (en) | 2007-05-29 | 2019-12-17 | Evoqua Water Technologies Llc | Membrane cleaning with pulsed airlift pump |
US8372276B2 (en) | 2007-05-29 | 2013-02-12 | Siemens Industry, Inc. | Membrane cleaning with pulsed airlift pump |
US9023206B2 (en) | 2008-07-24 | 2015-05-05 | Evoqua Water Technologies Llc | Frame system for membrane filtration modules |
US8382981B2 (en) | 2008-07-24 | 2013-02-26 | Siemens Industry, Inc. | Frame system for membrane filtration modules |
US8956464B2 (en) | 2009-06-11 | 2015-02-17 | Evoqua Water Technologies Llc | Method of cleaning membranes |
US9914097B2 (en) | 2010-04-30 | 2018-03-13 | Evoqua Water Technologies Llc | Fluid flow distribution device |
US10441920B2 (en) | 2010-04-30 | 2019-10-15 | Evoqua Water Technologies Llc | Fluid flow distribution device |
US9022224B2 (en) | 2010-09-24 | 2015-05-05 | Evoqua Water Technologies Llc | Fluid control manifold for membrane filtration system |
US9630147B2 (en) | 2010-09-24 | 2017-04-25 | Evoqua Water Technologies Llc | Fluid control manifold for membrane filtration system |
US9604166B2 (en) | 2011-09-30 | 2017-03-28 | Evoqua Water Technologies Llc | Manifold arrangement |
US9925499B2 (en) | 2011-09-30 | 2018-03-27 | Evoqua Water Technologies Llc | Isolation valve with seal for end cap of a filtration system |
US10391432B2 (en) | 2011-09-30 | 2019-08-27 | Evoqua Water Technologies Llc | Manifold arrangement |
US11065569B2 (en) | 2011-09-30 | 2021-07-20 | Rohm And Haas Electronic Materials Singapore Pte. Ltd. | Manifold arrangement |
US9533261B2 (en) | 2012-06-28 | 2017-01-03 | Evoqua Water Technologies Llc | Potting method |
US9962865B2 (en) | 2012-09-26 | 2018-05-08 | Evoqua Water Technologies Llc | Membrane potting methods |
US9764289B2 (en) | 2012-09-26 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane securement device |
US9815027B2 (en) | 2012-09-27 | 2017-11-14 | Evoqua Water Technologies Llc | Gas scouring apparatus for immersed membranes |
US10427102B2 (en) | 2013-10-02 | 2019-10-01 | Evoqua Water Technologies Llc | Method and device for repairing a membrane filtration module |
US11173453B2 (en) | 2013-10-02 | 2021-11-16 | Rohm And Haas Electronic Materials Singapores | Method and device for repairing a membrane filtration module |
US10322375B2 (en) | 2015-07-14 | 2019-06-18 | Evoqua Water Technologies Llc | Aeration device for filtration system |
Also Published As
Publication number | Publication date |
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DE10161095C1 (de) | 2002-11-07 |
AU2002346937A1 (en) | 2003-07-09 |
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