AT144725T - Hollow fiber filter cartridge and process for their preparation - Google Patents

Hollow fiber filter cartridge and process for their preparation

Info

Publication number
AT144725T
AT144725T AT93912136T AT93912136T AT144725T AT 144725 T AT144725 T AT 144725T AT 93912136 T AT93912136 T AT 93912136T AT 93912136 T AT93912136 T AT 93912136T AT 144725 T AT144725 T AT 144725T
Authority
AT
Austria
Prior art keywords
preparation
process
hollow fiber
filter cartridge
fiber filter
Prior art date
Application number
AT93912136T
Other languages
German (de)
Inventor
Paul D Brinda
Louis C Cosentino
Original Assignee
Minntech Corp
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 to US88514992A priority Critical
Application filed by Minntech Corp filed Critical Minntech Corp
Publication of AT144725T publication Critical patent/AT144725T/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02Hollow fibre modules
    • B01D63/021Manufacturing thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02Hollow fibre modules
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02Hollow fibre modules
    • B01D63/04Hollow fibre modules comprising multiple hollow fibre assemblies
    • B01D63/046Hollow fibre modules comprising multiple hollow fibre assemblies in separate housings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2313/00Details relating to membrane modules or apparatus
    • B01D2313/20Specific housing
AT93912136T 1992-05-18 1993-04-05 Hollow fiber filter cartridge and process for their preparation AT144725T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US88514992A true 1992-05-18 1992-05-18

Publications (1)

Publication Number Publication Date
AT144725T true AT144725T (en) 1996-11-15

Family

ID=25386258

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93912136T AT144725T (en) 1992-05-18 1993-04-05 Hollow fiber filter cartridge and process for their preparation

Country Status (10)

Country Link
US (3) US5543002A (en)
EP (1) EP0641247B1 (en)
JP (2) JP2618820B2 (en)
AT (1) AT144725T (en)
AU (1) AU4279493A (en)
CA (1) CA2135672A1 (en)
DE (2) DE69305742T2 (en)
DK (1) DK0641247T3 (en)
GR (1) GR3022069T3 (en)
WO (1) WO1993023152A1 (en)

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5514335A (en) * 1993-10-25 1996-05-07 Minnesota Mining And Manufacturing Company Blood oxygenation system and reservoir and method of manufacture
US6685832B2 (en) * 1995-08-11 2004-02-03 Zenon Environmental Inc. Method of potting hollow fiber membranes
US8852438B2 (en) 1995-08-11 2014-10-07 Zenon Technology Partnership Membrane filtration module with adjustable header spacing
DE04025516T1 (en) 1995-08-11 2005-08-18 Zenon Environmental Inc., Oakville Permeatsammelsystem
KR970061318A (en) * 1996-02-28 1997-09-12 김광호 Auxiliary filter unit of the water purifier
US5858232A (en) * 1996-04-02 1999-01-12 Meissner; Christopher A. Filter cartridges with sealing means
US6299772B1 (en) * 1996-10-10 2001-10-09 The Dow Chemical Company Fluid filter assemblies with integral fluid seals
WO1998028066A1 (en) 1996-12-20 1998-07-02 Usf Filtration And Separations Group, Inc. Scouring method
US20040232076A1 (en) * 1996-12-20 2004-11-25 Fufang Zha Scouring method
US5851267A (en) * 1997-01-28 1998-12-22 Uop Llc Seal arrangement for rapid interconnection or axially arranged separation elements
DE19712679A1 (en) * 1997-03-26 1998-10-01 Mann & Hummel Filter air filter
EP1052011B1 (en) * 1997-04-30 2007-06-20 Mitsubishi Rayon Company Limited Ink deaerating apparatus, ink deaerating method, and ink cartridge manufacturing method
GB2365511B (en) * 1997-07-16 2002-03-27 Pall Corp Valves for filters
NL1007899C2 (en) 1997-12-24 1999-06-25 Dhv Water Bv A coupling member for membrane elements.
US5928450A (en) * 1998-02-05 1999-07-27 Russell; Daniel Nelson Process of making fractal tubes
IL123462D0 (en) * 1998-02-26 1998-09-24 Carbon Membranes Ltd A method for potting or casting inorganic hollow fiber membranes intotube sheets
US6207053B1 (en) * 1998-03-12 2001-03-27 Celgard Inc. Thermoplastic, unibody transfer device
US6179131B1 (en) 1998-06-25 2001-01-30 Pti Technologies, Inc. Fusion-welded thermoplastic filter assembly and a method of fabricating the same
US6113782A (en) * 1998-07-28 2000-09-05 Terumo Cardiovascular Systems Corporation Potting of tubular bundles in housing
US6641733B2 (en) * 1998-09-25 2003-11-04 U. S. Filter Wastewater Group, Inc. Apparatus and method for cleaning membrane filtration modules
TWI222895B (en) 1998-09-25 2004-11-01 Usf Filtration & Separations Apparatus and method for cleaning membrane filtration modules
US6139739A (en) * 1998-10-08 2000-10-31 Cuno Incorporated Composite filter element
US6156200A (en) * 1998-12-08 2000-12-05 Usf Filtration & Separations Group, Inc. Gas-scrubbed hollow fiber membrane module
JP3876561B2 (en) * 1999-03-15 2007-01-31 宇部興産株式会社 Gas separation membrane module and gas separation method
AUPP985099A0 (en) 1999-04-20 1999-05-13 Usf Filtration And Separations Group Inc. Membrane filtration manifold system
FR2802115B1 (en) * 1999-12-14 2002-03-01 Air Liquide Installation permeation
AUPQ680100A0 (en) * 2000-04-10 2000-05-11 Usf Filtration And Separations Group Inc. Hollow fibre restraining system
DE60109892T2 (en) 2000-05-05 2006-02-09 Zenon Environmental Inc., Oakville reduce Vergussmethode to fiber twist
BR0112163A (en) * 2000-07-06 2004-02-10 Bio Merieux the microbiological quality control processes from an environmental aqueous medium, microbiological detection kit of a microorganism present in a sample and production process and / or disinfecting liquid
AUPR064800A0 (en) * 2000-10-09 2000-11-02 Usf Filtration And Separations Group Inc. Improved membrane filtration system
AUPR094600A0 (en) * 2000-10-23 2000-11-16 Usf Filtration And Separations Group Inc. Fibre membrane arrangement
AUPR143400A0 (en) * 2000-11-13 2000-12-07 Usf Filtration And Separations Group Inc. Modified membranes
SE518058C2 (en) * 2000-12-22 2002-08-20 Alfa Laval Ab Component for supporting a filter means in a port channel to a plate heat exchanger device including a tubular filter member and said component and plate heat exchanger comprising a tubular filter member and said component
NL1017061C2 (en) * 2001-01-09 2002-07-11 Simon Roelof Vasse Membrane filter.
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
US6814780B2 (en) * 2001-05-02 2004-11-09 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Hollow fiber membrane gas separation cartridge and gas purification assembly
US6755894B2 (en) 2001-05-02 2004-06-29 Praxair Technology, Inc. Hollow fiber membrane gas separation cartridge and gas purification assembly
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
AUPR774201A0 (en) * 2001-09-18 2001-10-11 U.S. Filter Wastewater Group, Inc. High solids module
DE10147907B4 (en) * 2001-09-28 2008-07-31 Fresenius Medical Care Deutschland Gmbh Filter device as well as processes for their preparation
AT333318T (en) * 2001-11-16 2006-08-15 Us Filter Wastewater Group Inc Method for cleaning of membranes
US6886244B1 (en) 2002-02-25 2005-05-03 Seagate Technology Llc Segmented pallet for disk-shaped substrate electrical biassing and apparatus comprising same
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
US6764529B2 (en) * 2002-07-01 2004-07-20 Bendix Commercial Vehicle Systems Llc Membrane gas dehydrating apparatus for gas controlled and powered systems
KR101002466B1 (en) 2002-10-10 2010-12-17 지멘스 워터 테크놀로지스 코포레이션 Backwash method
US6923845B2 (en) * 2002-10-18 2005-08-02 Bendix Commercial Vehicle Systems Llc Membrane air dryer for vehicle air brake system
US6881245B2 (en) * 2002-10-18 2005-04-19 Bendix Commercial Vehicle Systems Llc Membrane air dryer and method of mounting a membrane dryer to a vehicle
AU2002953111A0 (en) 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
AU2003903507A0 (en) 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
CN103285737B (en) 2003-08-29 2016-01-13 伊沃夸水处理技术有限责任公司 Backwash
WO2005046849A1 (en) 2003-11-14 2005-05-26 U.S. Filter Wastewater Group, Inc. Improved module cleaning method
KR101257959B1 (en) * 2003-12-22 2013-04-24 엔테그리스, 아이엔씨. Exchange devices with potted hollow conduits
FR2865415B1 (en) * 2004-01-22 2007-03-16 Tech Avancees & Membranes Ind filtration module designed to minimize stagnation zones for liquid
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
JP2007535398A (en) 2004-04-22 2007-12-06 シーメンス ウォーター テクノロジース コーポレイション Filtration apparatus and wastewater treatment method comprising the membrane bioreactor and process vessel for digesting organic material
EP1771237B2 (en) 2004-06-14 2018-10-10 Donaldson Company, Inc. Air filter arrangement and methods
US7819956B2 (en) 2004-07-02 2010-10-26 Siemens Water Technologies Corp. Gas transfer membrane
JP2008505197A (en) 2004-07-05 2008-02-21 シーメンス・ウォーター・テクノロジーズ・コーポレーション Hydrophilic membrane
US7862719B2 (en) 2004-08-20 2011-01-04 Siemens Water Technologies Corp. Square membrane manifold system
NZ553596A (en) 2004-09-07 2010-10-29 Siemens Water Tech Corp Reduction of backwash liquid waste
NZ553742A (en) 2004-09-14 2010-09-30 Siemens Water Tech Corp Methods and apparatus for removing solids from a membrane module
WO2006029465A1 (en) 2004-09-15 2006-03-23 Siemens Water Technologies Corp. Continuously variable aeration
NZ555302A (en) 2004-12-03 2010-11-26 Siemens Water Tech Corp Post treatment of microfiltration membranes with hyfrogen peroxide and a transition metal catalyst
AU2005318930B2 (en) 2004-12-24 2010-06-03 Evoqua Water Technologies Llc Cleaning in membrane filtration systems
EP1838422A4 (en) 2004-12-24 2009-09-02 Siemens Water Tech Corp Simple gas scouring method and apparatus
MX2007008538A (en) 2005-01-13 2007-09-07 Donaldson Co Inc Air filter cartridge and air cleaner assembly.
AT548102T (en) 2005-01-13 2012-03-15 Donaldson Co Inc An air filter arrangement
NZ562786A (en) 2005-04-29 2010-10-29 Siemens Water Tech Corp Chemical clean for membrane filter
US7988891B2 (en) 2005-07-14 2011-08-02 Siemens Industry, Inc. Monopersulfate treatment of membranes
US20080296210A1 (en) * 2005-07-29 2008-12-04 Gene Bittner Fluid treatment devices
US7413649B2 (en) * 2005-07-29 2008-08-19 Gene Bittner Treatment apparatus with modular chemical containing units having one-way valve assemblies
SG164499A1 (en) 2005-08-22 2010-09-29 Siemens Water Tech Corp An assembly for water filtration using a tube manifold to minimise backwash
US20070138090A1 (en) 2005-10-05 2007-06-21 Jordan Edward J Method and apparatus for treating wastewater
WO2007044442A2 (en) * 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and system for treating wastewater
US7938386B2 (en) 2006-03-13 2011-05-10 GM Global Technology Operations LLC Fuel cell air humidifier
DE102006040214B4 (en) * 2006-08-28 2008-07-10 Fresenius Medical Care Deutschland Gmbh A method of combining the hollow fibers into a bundle and by this method produced hollow fiber bundle
EP1908509A1 (en) * 2006-10-03 2008-04-09 Sorin Group Italia S.r.l. A process for producing exchange devices for medical use and exchange device produced thereby
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US20080237142A1 (en) * 2007-04-02 2008-10-02 Battelle Energy Alliance, Llc Systems and methods for concentrating substances in fluid samples
WO2008123972A1 (en) 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
EP2152390B1 (en) 2007-05-29 2012-05-23 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US20090041618A1 (en) * 2007-08-06 2009-02-12 Case Medical Inc. Reusable porous metal filter
US8728193B2 (en) 2007-09-07 2014-05-20 Donaldson Company, Inc. Air filter assembly; components thereof and methods
DE102007043330A1 (en) * 2007-09-12 2009-03-19 Carl Freudenberg Kg humidifier
DE102007052088A1 (en) 2007-10-31 2009-05-07 M. Mannesmann Gmbh & Co. Kg Membrane filter for producing Legionella-free water, comprises tubular housing comprising water inlet, water outlet and bundle of membrane hollow fibers, and silver layer provided in a part of the inner surface of the housing
JP2013500144A (en) 2008-07-24 2013-01-07 シーメンス インダストリー インコーポレイテッドSiemens Industry, Inc. Method and filtration systems for performing a structural support to the filtration membrane module array in the filtration system
CA2734796A1 (en) 2008-08-20 2010-02-25 Siemens Water Technologies Corp. Improved membrane system backwash energy efficiency
EP2389237B1 (en) * 2008-11-13 2014-05-07 Whitefox Technologies Limited Method for sealing membrane modules
US8061530B2 (en) 2009-04-09 2011-11-22 Cummins Filtration Ip, Inc. Filtration sealing system
WO2010142673A1 (en) 2009-06-11 2010-12-16 Siemens Water Technologies Corp. Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
TWI531406B (en) * 2009-10-12 2016-05-01 Toray Industries Axial labyrinth seal for filtration systems
PT2327466E (en) 2009-11-12 2014-09-05 Novomatic Ag Air cleaner for removing air pollutants from an air stream
CN102791363A (en) * 2010-01-15 2012-11-21 海德拉罗迪克斯公司 Brine seal for a filtration device
AU2011245709B2 (en) 2010-04-30 2015-06-11 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
US8945387B2 (en) * 2011-08-18 2015-02-03 General Electric Company Hollow fiber membrane module for use in a tubular pressure vessel
EP3473320A1 (en) 2011-09-30 2019-04-24 Evoqua Water Technologies LLC Isolation valve
EP2763776A4 (en) 2011-09-30 2015-07-01 Evoqua Water Technologies Llc Improved manifold arrangement
WO2014004645A1 (en) 2012-06-28 2014-01-03 Siemens Industry, Inc. A potting method
AU2013231145B2 (en) 2012-09-26 2017-08-17 Evoqua Water Technologies Llc Membrane potting methods
US9815027B2 (en) 2012-09-27 2017-11-14 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
RU2672734C2 (en) 2013-06-28 2018-11-19 Дональдсон Компани, Инк. Filter cartridges, air cleaner assembly, structural features, components and methods
DE102014107583B4 (en) * 2014-05-28 2018-10-25 Sartorius Stedim Biotech Gmbh A process for producing a hollow fiber module and hollow fiber module
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625499A (en) * 1949-11-22 1953-01-13 Universal Moulded Products Cor Surfaced fabric and method of making same
US2690769A (en) * 1950-03-29 1954-10-05 Goodyear Tire & Rubber Laminated structure
US2782806A (en) * 1954-02-17 1957-02-26 Union Carbide & Carbon Corp Reinforced pipe joint
US2974684A (en) * 1955-11-25 1961-03-14 Bauer Bros Co Reinforced molded cone
FR2231421B1 (en) * 1973-05-30 1976-05-07 Rhone Poulenc Ind
DE2356353C2 (en) * 1973-11-12 1975-07-17 B. Braun Melsungen Ag, 3508 Melsungen
FR2374933B1 (en) * 1976-12-24 1981-04-17 Rhone Poulenc Ind
US4061574A (en) * 1977-02-14 1977-12-06 The Dow Chemical Company Assembly of permeable hollow fibers and a tubesheet supportable at its face and opened by bores parallel thereto
US4080296A (en) * 1977-03-28 1978-03-21 The Dow Chemical Company Hollow fiber permeator
US4210536A (en) * 1978-09-19 1980-07-01 Albany International Corp. Hollow filament separatory module
US4293418A (en) * 1979-03-28 1981-10-06 Toray Industries, Inc. Fluid separation apparatus
US4361481A (en) * 1979-05-21 1982-11-30 Baxter Travenol Laboratories, Inc. Capillary fiber bundles
JPS624994B2 (en) * 1980-09-25 1987-02-02 Terumo Corp
JPS6351722B2 (en) * 1980-12-18 1988-10-14 Toyo Boseki
US4396510A (en) * 1981-01-08 1983-08-02 Bio-Med Corporation Mass transfer device
JPS6229061B2 (en) * 1981-11-18 1987-06-24 Terumo Corp
US4380460A (en) * 1981-12-21 1983-04-19 Monsanto Company Gas separation apparatus
JPS6119403B2 (en) * 1982-08-11 1986-05-17 Fuji Sureeto Kk
US4707268A (en) * 1982-10-18 1987-11-17 Baxter Travenol Laboratories, Inc. Hollow fiber potted microfilter
IT8353037V0 (en) * 1983-03-10 1983-03-10 Sorin Biomedica Spa Apparatus hollow fiber dialyzer
US4605500A (en) * 1984-04-24 1986-08-12 Mitsubishi Rayon Co., Ltd. Hollow-fiber filter module
DE3560858D1 (en) * 1984-05-21 1987-12-10 Mitsubishi Rayon Co Hollow-fiber filter module
JPS6163240U (en) * 1984-09-29 1986-04-28
JPH0442058B2 (en) * 1984-10-12 1992-07-10 Daicel Chem
JPS61222510A (en) * 1985-03-28 1986-10-03 Nitto Electric Ind Co Ltd Hollow yarn membrane module and its preparation
JPS62124496A (en) * 1985-11-26 1987-06-05 Toshiba Corp Condensate filter
JPH0477605B2 (en) * 1987-07-28 1992-12-08 Mintetsuku Corp
JPS6420963U (en) * 1987-07-30 1989-02-01
SE454847B (en) * 1987-08-31 1988-06-06 Gambro Dialysatoren Device for diffusion and / or filtration and method of manufacturing this device
SE465095B (en) * 1988-07-07 1991-07-22 Gambro Dialysatoren Taetning comprising a ring of a flexible material to be pressed between the second up parallel foeretraedesvis slaeta taetningsytor
DE3916511C2 (en) * 1989-05-20 1992-10-01 Seitz-Filter-Werke Theo & Geo Seitz Gmbh Und Co, 6550 Bad Kreuznach, De
EP0452902A3 (en) * 1990-04-18 1992-02-26 Terumo Kabushiki Kaisha Hollow fiber type liquid processing apparatus
US5092914A (en) * 1990-06-07 1992-03-03 Multiform Desiccants, Inc. Floatable oxygen-absorbing cartridge
US5328541A (en) * 1991-12-11 1994-07-12 Kureha Kagaku Kogyo Kabushiki Kaisha Method of welding tubular products of polyarylene sulfide and welded tubular structure
US5342464A (en) * 1992-04-24 1994-08-30 United Technologies Corporation Bonding of thermoplastic composite structures to metal structures

Also Published As

Publication number Publication date
GR3022069T3 (en) 1997-03-31
DK0641247T3 (en) 1997-04-01
DE69305742T2 (en) 1997-04-10
DK641247T3 (en)
JPH09234351A (en) 1997-09-09
US5554283A (en) 1996-09-10
JP2618820B2 (en) 1997-06-11
EP0641247B1 (en) 1996-10-30
EP0641247A1 (en) 1995-03-08
US5531848A (en) 1996-07-02
WO1993023152A1 (en) 1993-11-25
JP3374262B2 (en) 2003-02-04
AU4279493A (en) 1993-12-13
CA2135672A1 (en) 1993-11-25
DE69305742D1 (en) 1996-12-05
US5543002A (en) 1996-08-06
JPH07503407A (en) 1995-04-13

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