BR8107017A - Aparelho para testar e usar filtros de membrana cartucho de filtro e processo para testar um filtro - Google Patents

Aparelho para testar e usar filtros de membrana cartucho de filtro e processo para testar um filtro

Info

Publication number
BR8107017A
BR8107017A BR8107017A BR8107017A BR8107017A BR 8107017 A BR8107017 A BR 8107017A BR 8107017 A BR8107017 A BR 8107017A BR 8107017 A BR8107017 A BR 8107017A BR 8107017 A BR8107017 A BR 8107017A
Authority
BR
Brazil
Prior art keywords
testing
filter
membrane filters
filter cartridge
cartridge
Prior art date
Application number
BR8107017A
Other languages
English (en)
Inventor
Valentine Walter Kowalski
Original Assignee
Amf Inc
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
Application filed by Amf Inc filed Critical Amf Inc
Publication of BR8107017A publication Critical patent/BR8107017A/pt

Links

Classifications

    • 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
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • 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
    • B01D61/145—Ultrafiltration
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/44—Cartridge types

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
BR8107017A 1980-10-30 1981-10-29 Aparelho para testar e usar filtros de membrana cartucho de filtro e processo para testar um filtro BR8107017A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20285680A 1980-10-30 1980-10-30
US06/265,481 US4384474A (en) 1980-10-30 1981-05-20 Method and apparatus for testing and using membrane filters in an on site of use housing

Publications (1)

Publication Number Publication Date
BR8107017A true BR8107017A (pt) 1982-07-13

Family

ID=26898084

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8107017A BR8107017A (pt) 1980-10-30 1981-10-29 Aparelho para testar e usar filtros de membrana cartucho de filtro e processo para testar um filtro

Country Status (6)

Country Link
US (1) US4384474A (pt)
EP (1) EP0051373B1 (pt)
AU (1) AU7617081A (pt)
BR (1) BR8107017A (pt)
CA (1) CA1165250A (pt)
DE (1) DE3173014D1 (pt)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132366B (en) * 1982-12-27 1987-04-08 Brunswick Corp Method and device for testing the permeability of membrane filters
DE3477691D1 (en) * 1983-09-09 1989-05-18 Fujisawa Pharmaceutical Co Apparatus for testing membrane filters, and apparatus for sterilizing liquids with use of membrane filter
DE3626163A1 (de) * 1986-08-01 1988-02-04 Pall Gmbh Verfahren und vorrichtung zum testen von filtern in explosionsgefaehrdeter umgebung
GB2202164B (en) * 1987-02-20 1991-04-03 Sartorius Gmbh Testing fluid filter apparatus
DE3805299A1 (de) * 1987-02-20 1988-11-03 Sartorius Gmbh Integralfilter zur abscheidung von fluidinhaltsstoffen und gehaeuse dafuer
US5167814A (en) * 1989-06-15 1992-12-01 Cuno, Incorporated Filter apparatus snap lock cartridge retainer
US5133207A (en) * 1991-02-14 1992-07-28 Houston Industries Incorporated Apparatus and method for simultaneously testing the permeability of multiple core specimens
DE4209519C3 (de) * 1992-03-24 2000-06-15 Pall Corp Verfahren und Gerät zum schnellen Testen der Unversehrtheit von Filterelementen
DE4215585C2 (de) * 1992-05-12 1994-10-20 Seitz Filter Werke Verfahren zur gleichzeitigen Integritätsprüfung von in einem Membranfiltergerät eingebauten Membranfilterkerzen und Membranfiltergerät zur Durchführung des Verfahrens
WO1994009890A1 (en) * 1992-11-02 1994-05-11 Memtec Limited Fibre monitoring system
US5576480A (en) * 1992-11-06 1996-11-19 Pall Corporation System and method for testing the integrity of porous elements
US5711883A (en) * 1995-09-27 1998-01-27 Fresenius Usa, Inc. Method for testing dialyzer integrity prior to use
CA2551202C (en) * 1996-12-20 2010-10-26 Usf Filtration And Separations Group, Inc. Scouring method
JPH10192663A (ja) * 1996-12-20 1998-07-28 Pall Corp フィルターの予備湿潤処理装置
US20040232076A1 (en) * 1996-12-20 2004-11-25 Fufang Zha Scouring method
US5873995A (en) * 1997-05-06 1999-02-23 The Clorox Company End-of-life indicator for water treatment device
US6641733B2 (en) * 1998-09-25 2003-11-04 U. S. Filter Wastewater Group, Inc. Apparatus and method for cleaning membrane filtration modules
US5905197A (en) * 1998-01-22 1999-05-18 Hydranautics, Inc. Membrane sampling device
TWI222895B (en) 1998-09-25 2004-11-01 Usf Filtration & Separations Apparatus and method for cleaning membrane filtration modules
JP2002537105A (ja) 1999-02-26 2002-11-05 ユナイテッド・ステイツ・フィルター・コーポレイション 膜を評価する方法及び装置
AUPP985099A0 (en) * 1999-04-20 1999-05-13 Usf Filtration And Separations Group Inc. Membrane filtration manifold system
US6327893B1 (en) * 1999-12-07 2001-12-11 Aaf Mcquay Filter layer comparative testing method and apparatus
US6843106B2 (en) * 2000-03-08 2005-01-18 Rensselaer Polytechnic Institute Differential permeometer
AUPQ680100A0 (en) 2000-04-10 2000-05-11 Usf Filtration And Separations Group Inc. Hollow fibre restraining system
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
AUPR421501A0 (en) * 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR584301A0 (en) * 2001-06-20 2001-07-12 U.S. Filter Wastewater Group, Inc. Membrane polymer compositions
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
ATE333318T1 (de) * 2001-11-16 2006-08-15 Us Filter Wastewater Group Inc Methode zur reinigung von membranen
US7247238B2 (en) 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
DK174764B1 (da) * 2002-04-16 2003-10-27 Pbi Dansensor As Prøveholderplade samt anvendelse af én eller to sådanne prøveholderplader
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
ATE542593T1 (de) 2002-10-10 2012-02-15 Siemens Industry Inc Membranfilter und rückspülverfahren dafür
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
KR101115173B1 (ko) * 2003-08-29 2012-02-24 지멘스 워터 테크놀로지스 코포레이션 역류
EP1687078B1 (en) * 2003-11-14 2012-03-14 Siemens Industry, Inc. Improved module cleaning method
WO2005092799A1 (en) * 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
JP2007535398A (ja) 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 有機物質を消化するためのメンブレンバイオリアクタおよび処理槽を含む濾過装置ならびに廃液処理方法
US7819956B2 (en) * 2004-07-02 2010-10-26 Siemens Water Technologies Corp. Gas transfer membrane
EP1773477B1 (en) 2004-07-05 2011-09-07 Siemens Water Technologies Corp. Hydrophilic membranes
WO2006017911A1 (en) 2004-08-20 2006-02-23 Siemens Water Technologies Corp. Square mbr manifolding system
AU2005282211B2 (en) 2004-09-07 2011-04-21 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
NZ553771A (en) 2004-09-15 2010-11-26 Siemens Water Tech Corp Continuously variable aeration of membrane filtration system and flow control device when used in such application
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
ATE511915T1 (de) * 2004-12-03 2011-06-15 Siemens Industry Inc Membrannachbehandlung
EP1838422A4 (en) * 2004-12-24 2009-09-02 Siemens Water Tech Corp EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE
NZ583228A (en) 2004-12-24 2012-05-25 Siemens Industry Inc Cleaning in membrane filtration systems
EP1885475B1 (en) 2005-04-29 2015-03-25 Evoqua Water Technologies LLC Chemical clean for membrane filter
JP2008543546A (ja) * 2005-06-20 2008-12-04 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 ポリマー膜の架橋処理
WO2007006104A1 (en) 2005-07-14 2007-01-18 Siemens Water Technologies Corp. Monopersulfate treatment of membranes
CN101287538B (zh) 2005-08-22 2013-03-06 西门子工业公司 使用歧管以减少回洗的水过滤装置
WO2007044345A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US20070084795A1 (en) * 2005-10-05 2007-04-19 Jordan Edward J Method and system for treating wastewater
US20070138090A1 (en) 2005-10-05 2007-06-21 Jordan Edward J Method and apparatus for treating wastewater
CN101321578B (zh) * 2005-12-09 2010-12-08 西门子水技术公司 减少反冲洗量的过程
CA2634150A1 (en) * 2006-01-12 2007-07-19 Siemens Water Technologies Corp. Improved operating strategies in filtration processes
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
US7575616B2 (en) * 2006-02-10 2009-08-18 Entegris, Inc. Low-profile surface mount filter
MY145939A (en) * 2006-07-14 2012-05-31 Siemens Industry Inc Improved monopersulfate treatment of membranes
NZ574640A (en) * 2006-08-31 2011-12-22 Siemens Water Tech Corp Method of backwashing membrane filtration system with gas from source used to scour or aerate membrane
WO2008051546A2 (en) * 2006-10-24 2008-05-02 Siemens Water Technologies Corp. Infiltration/inflow control for membrane bioreactor
WO2008098309A1 (en) * 2007-02-16 2008-08-21 Siemens Water Technologies Corp. Membrane filtration process and design
WO2008123972A1 (en) * 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
NZ579779A (en) * 2007-04-04 2012-10-26 Siemens Industry Inc Filtration system including fine apertured screen
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US7581430B2 (en) * 2007-05-23 2009-09-01 K&N Engineering, Inc. Air velocity apparatus and system
JP2010527773A (ja) * 2007-05-29 2010-08-19 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 エアリフトポンプを用いた膜洗浄
CA2822316A1 (en) 2007-05-29 2008-12-18 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
KR20100028116A (ko) * 2007-06-28 2010-03-11 지멘스 워터 테크놀로지스 코포레이션 간단한 여과 시스템을 위한 세정 방법
DE102007062100A1 (de) * 2007-12-21 2009-06-25 Mahle International Gmbh Flüssigkeitsfilter, insbesondere Ölfilter
DE102007062101A1 (de) * 2007-12-21 2009-06-25 Mahle International Gmbh Filteranlage
DE102007062102A1 (de) * 2007-12-21 2009-06-25 Mahle International Gmbh Filtereinrichtung
CN106064021B (zh) 2008-07-24 2019-06-04 懿华水处理技术有限责任公司 用于膜过滤模块的框架系统
US20110132826A1 (en) * 2008-08-14 2011-06-09 Siemens Water Technologies Corp. Block Configuration for Large Scale Membrane Distillation
CN102123784A (zh) * 2008-08-20 2011-07-13 西门子水处理技术公司 改进的膜系统反洗能效
JP2012528717A (ja) * 2009-06-02 2012-11-15 シーメンス インダストリー インコーポレイテッド パルス状の気体スラグおよび大域的曝気による膜洗浄
AU2010101488B4 (en) 2009-06-11 2013-05-02 Evoqua Water Technologies Llc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
CN102049199B (zh) * 2009-10-30 2013-03-27 中国石油化工股份有限公司 一种膜性能测试装置及其应用
US20110147308A1 (en) * 2009-12-21 2011-06-23 Siemens Water Technologies Corp. Charged Porous Polymeric Membranes and Their Preparation
EP2563501B1 (en) 2010-04-30 2019-05-15 Evoqua Water Technologies LLC Fluid flow distribution device
AU2011305377B2 (en) 2010-09-24 2014-11-20 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
DE102011006545A1 (de) * 2011-03-31 2012-10-04 Krones Ag Verfahren zum Überprüfen eines Membranfiltrationsmoduls einer Filtrationsanlage
US9199202B2 (en) 2011-09-15 2015-12-01 Sartorius Stedim Biotech Gmbh Filter element attachment, filter cartridge, and filter system
KR20140097140A (ko) 2011-09-30 2014-08-06 에보쿠아 워터 테크놀로지스 엘엘씨 아이솔레이션 밸브
EP2763776B1 (en) 2011-09-30 2021-07-28 Rohm & Haas Electronic Materials Singapore Pte. Ltd Improved filtration module assembly
EP2866922B1 (en) 2012-06-28 2018-03-07 Evoqua Water Technologies LLC A potting method
CN104684632A (zh) 2012-09-14 2015-06-03 伊沃夸水处理技术有限责任公司 用于膜的聚合物共混物
DE112013004713T5 (de) 2012-09-26 2015-07-23 Evoqua Water Technologies Llc Membransicherungsvorrichtung
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
AU2013101765A4 (en) 2012-09-27 2016-10-13 Evoqua Water Technologies Llc Gas Scouring Apparatus for Immersed Membranes
US20140202235A1 (en) * 2013-01-24 2014-07-24 Bha Altair, Llc Cartridge filter robustness testing
AU2014329869B2 (en) 2013-10-02 2018-06-14 Evoqua Water Technologies Llc A method and device for repairing a membrane filtration module
EP3322511B1 (en) 2015-07-14 2022-09-07 Rohm & Haas Electronic Materials Singapore Pte. Ltd Aeration device for filtration system
CN106890576B (zh) * 2015-12-18 2023-05-26 广东奥斯博膜材料技术有限公司 一种反渗透膜滤芯质检装置
DE102017111133A1 (de) * 2017-05-22 2018-11-22 Sartorius Stedim Biotech Gmbh Vorkonfigurierte Einweg-Filtrationsvorrichtung
IT202200016296A1 (it) * 2022-08-01 2024-02-01 Rattiinox S R L Base e contenitore di microfiltrazione

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432814A (en) * 1945-01-15 1947-12-16 Continental Can Co Apparatus for locating leaks in cans
US3039293A (en) * 1959-06-11 1962-06-19 Anderson Clayton & Co Method of and apparatus for measuring fiber permeability
US3293431A (en) * 1963-12-26 1966-12-20 Novo Ind Corp Fluorescent tracer technique for detecting defects in air permeable bodies
US3336793A (en) * 1965-03-03 1967-08-22 Commercial Filters Corp Filter test method and apparatus
US3505876A (en) * 1968-02-08 1970-04-14 Tenneco Inc Filter evaluation equipment
US3478601A (en) * 1968-07-26 1969-11-18 Walker Mfg Co Filter test apparatus
US3757947A (en) * 1969-06-25 1973-09-11 Univ Washington Research test dialyzer system
US3843408A (en) * 1970-01-26 1974-10-22 B Tobin Method of cleaning air filters
US3696932A (en) * 1970-09-30 1972-10-10 Pall Corp Disposable filter assembly
FR2158213A1 (pt) * 1971-10-29 1973-06-15 Sartorius Membranfilter Gmbh
US3824823A (en) * 1973-02-01 1974-07-23 Us Navy Fuel filter testing apparatus
US3908693A (en) * 1973-05-01 1975-09-30 Pall Corp Coaxial bidirectional flow control and relief valves and hydrostat system containing the same
US3876738A (en) * 1973-07-18 1975-04-08 Amf Inc Process for producing microporous films and products
US3977253A (en) * 1975-09-08 1976-08-31 Kenneth Lewis Pool filter pressure gauge
US4120794A (en) * 1977-03-31 1978-10-17 Amf Incorporated Filter cartridge assembly
US4218313A (en) * 1977-05-23 1980-08-19 Extracorporeal Medical Specialties, Inc. Dialysis apparatus and technique
US4184966A (en) * 1977-09-29 1980-01-22 Pall David B Tubular filter elements with improved side seam seal
DE2844073A1 (de) * 1978-10-10 1980-04-24 Sartorius Gmbh Einrichtung zur vermeidung einer sekundaer-kontamination bei der pruefung von sterilfiltern und partikelfiltern
US4225440A (en) * 1979-02-23 1980-09-30 Isadore Pitesky Filter holding assembly

Also Published As

Publication number Publication date
EP0051373A3 (en) 1982-06-23
CA1165250A (en) 1984-04-10
DE3173014D1 (en) 1986-01-02
US4384474A (en) 1983-05-24
EP0051373A2 (en) 1982-05-12
EP0051373B1 (en) 1985-11-21
AU7617081A (en) 1982-05-06

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: B01D 61/18 (2006.01), B01D 35/00 (2006.0