CN1096286C - 薄膜过滤系统对数降低值预测及多孔薄膜完整性试验方法 - Google Patents
薄膜过滤系统对数降低值预测及多孔薄膜完整性试验方法 Download PDFInfo
- Publication number
- CN1096286C CN1096286C CN98803016A CN98803016A CN1096286C CN 1096286 C CN1096286 C CN 1096286C CN 98803016 A CN98803016 A CN 98803016A CN 98803016 A CN98803016 A CN 98803016A CN 1096286 C CN1096286 C CN 1096286C
- Authority
- CN
- China
- Prior art keywords
- film
- flow
- air
- pressure
- defective
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000005374 membrane filtration Methods 0.000 claims abstract description 4
- 230000002950 deficient Effects 0.000 claims description 38
- 239000012530 fluid Substances 0.000 claims description 16
- 230000005587 bubbling Effects 0.000 claims description 4
- 238000009736 wetting Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 54
- 239000000706 filtrate Substances 0.000 abstract 2
- 239000010408 film Substances 0.000 description 47
- 230000007547 defect Effects 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 238000001914 filtration Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- 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
- 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
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
-
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/10—Allowing a continuous bypass of at least part of the flow, e.g. of secondary air, vents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/18—Testing of filters, filter elements, sealings
-
- 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
- B01D2321/18—Use of gases
- B01D2321/185—Aeration
-
- 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
- G01N2015/086—Investigating permeability, pore-volume, or surface area of porous materials of films, membranes or pellicules
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPO7097A AUPO709797A0 (en) | 1997-05-30 | 1997-05-30 | Predicting logarithmic reduction values |
AUPO7097 | 1997-05-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1249698A CN1249698A (zh) | 2000-04-05 |
CN1096286C true CN1096286C (zh) | 2002-12-18 |
Family
ID=3801388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98803016A Expired - Fee Related CN1096286C (zh) | 1997-05-30 | 1998-05-26 | 薄膜过滤系统对数降低值预测及多孔薄膜完整性试验方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6202475B1 (zh) |
JP (1) | JP2002500554A (zh) |
KR (1) | KR100491071B1 (zh) |
CN (1) | CN1096286C (zh) |
AU (2) | AUPO709797A0 (zh) |
DE (1) | DE19882069B4 (zh) |
GB (1) | GB2336684B (zh) |
WO (1) | WO1998053902A1 (zh) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040232076A1 (en) * | 1996-12-20 | 2004-11-25 | Fufang Zha | Scouring method |
AU721064B2 (en) * | 1996-12-20 | 2000-06-22 | Evoqua Water Technologies Llc | Scouring method |
US6641733B2 (en) * | 1998-09-25 | 2003-11-04 | U. S. Filter Wastewater Group, Inc. | Apparatus and method for cleaning membrane filtration modules |
EP1159058B1 (en) * | 1999-02-26 | 2003-07-23 | United States Filter Corporation | Method and apparatus for evaluating a membrane |
AUPP985099A0 (en) * | 1999-04-20 | 1999-05-13 | Usf Filtration And Separations Group Inc. | Membrane filtration manifold system |
AUPQ680100A0 (en) * | 2000-04-10 | 2000-05-11 | Usf Filtration And Separations Group Inc. | Hollow fibre restraining system |
KR100338346B1 (ko) * | 2000-05-24 | 2002-05-30 | 박호군 | 막여과 시간에 따른 막오염 진행 추이를 동시에연속적으로 모니터링하기 위한 막여과 장치 및 방법 |
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 |
DE60213184T2 (de) * | 2001-11-16 | 2007-06-28 | U.S. 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 |
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 |
WO2004033078A1 (en) | 2002-10-10 | 2004-04-22 | U.S. Filter Wastewater Group, Inc. | Backwash method |
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 (zh) | 2003-08-29 | 2016-01-13 | 伊沃夸水处理技术有限责任公司 | 反洗 |
CA2544626C (en) | 2003-11-14 | 2016-01-26 | U.S. Filter Wastewater Group, Inc. | Closed aeration and backwash device for use with membrane filtration module |
WO2005077499A1 (en) * | 2004-02-18 | 2005-08-25 | U.S. Filter Wastewater Group, Inc. | Continuous pressure decay test |
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 |
EP1773476A4 (en) * | 2004-07-02 | 2007-07-25 | Siemens Water Tech Corp | GAS TRANSFER MEMBRANE |
JP2008505197A (ja) | 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 | 親水性膜 |
CA2577137C (en) * | 2004-08-20 | 2014-04-22 | Siemens Water Technologies Corp. | Membrane modules with gas and filtrate conduits and racks formed therefrom |
US7698928B2 (en) * | 2004-08-31 | 2010-04-20 | Dow Global Technologies, Inc. | Method for testing separation modules |
CN101043933B (zh) | 2004-09-07 | 2012-09-05 | 西门子工业公司 | 反洗废液的减少 |
EP1799334B1 (en) | 2004-09-14 | 2013-12-11 | Siemens Water Technologies LLC | 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 |
US20090026139A1 (en) * | 2004-11-02 | 2009-01-29 | Fufang Zha | Submerged cross-flow filtration |
US7591950B2 (en) * | 2004-11-02 | 2009-09-22 | Siemens Water Technologies Corp. | Submerged cross-flow filtration |
WO2006058384A1 (en) * | 2004-12-03 | 2006-06-08 | Siemens Water Technologies Corp. | Membrane post treatment |
JP4763718B2 (ja) | 2004-12-24 | 2011-08-31 | 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 | 膜濾過システムの洗浄 |
US8758622B2 (en) | 2004-12-24 | 2014-06-24 | Evoqua Water Technologies Llc | Simple gas scouring method and apparatus |
US20080093297A1 (en) * | 2005-01-14 | 2008-04-24 | Gock Kenneth W | Filtration System |
WO2006116797A1 (en) | 2005-04-29 | 2006-11-09 | Siemens Water Technologies Corp. | 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 |
CA2614498A1 (en) | 2005-07-14 | 2007-01-18 | Siemens Water Technologies Corp. | Monopersulfate treatment of membranes |
SG164499A1 (en) | 2005-08-22 | 2010-09-29 | Siemens Water Tech Corp | An assembly for water filtration using a tube manifold to minimise backwash |
WO2007044345A2 (en) * | 2005-10-05 | 2007-04-19 | Siemens Water Technologies Corp. | Method and apparatus for treating wastewater |
WO2007044442A2 (en) * | 2005-10-05 | 2007-04-19 | Siemens Water Technologies Corp. | Method and system for treating wastewater |
US20070138090A1 (en) | 2005-10-05 | 2007-06-21 | Jordan Edward J | Method and apparatus for treating wastewater |
US20070144949A1 (en) * | 2005-12-02 | 2007-06-28 | Hidayat Husain | Method and apparatus for testing membrane integrity |
WO2008051546A2 (en) | 2006-10-24 | 2008-05-02 | Siemens Water Technologies Corp. | Infiltration/inflow control for membrane bioreactor |
CA2682707C (en) | 2007-04-02 | 2014-07-15 | 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 |
CN103055703B (zh) | 2007-05-29 | 2016-08-10 | 伊沃夸水处理技术有限责任公司 | 使用脉冲气提泵的膜清洗 |
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 |
JP2012500117A (ja) | 2008-08-20 | 2012-01-05 | 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 | 膜濾過システムの逆洗エネルギ効率の改善 |
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 |
KR101590191B1 (ko) * | 2009-09-08 | 2016-02-01 | 코오롱인더스트리 주식회사 | 막 완결성 테스트 방법 |
CN102869432B (zh) | 2010-04-30 | 2016-02-03 | 伊沃夸水处理技术有限责任公司 | 流体流分配装置 |
CN103118766B (zh) | 2010-09-24 | 2016-04-13 | 伊沃夸水处理技术有限责任公司 | 膜过滤系统的流体控制歧管 |
EP3473320A1 (en) | 2011-09-30 | 2019-04-24 | Evoqua Water Technologies LLC | Isolation valve |
US9604166B2 (en) | 2011-09-30 | 2017-03-28 | Evoqua Water Technologies Llc | Manifold arrangement |
CN104394965B (zh) | 2012-06-28 | 2016-11-23 | 伊沃夸水处理技术有限责任公司 | 灌封方法 |
US9962865B2 (en) | 2012-09-26 | 2018-05-08 | Evoqua Water Technologies Llc | Membrane potting methods |
GB2520871B (en) | 2012-09-26 | 2020-08-19 | Evoqua Water Tech Llc | Membrane securement device |
AU2013323934A1 (en) | 2012-09-27 | 2015-02-26 | Evoqua Water Technologies Llc | Gas scouring apparatus for immersed membranes |
AU2014329869B2 (en) | 2013-10-02 | 2018-06-14 | Evoqua Water Technologies Llc | A method and device for repairing a membrane filtration module |
DE102014012784A1 (de) * | 2014-08-29 | 2016-03-03 | Sartorius Stedim Biotech Gmbh | Verfahren und Vorrichtung zur Durchführung einer Integritätsprüfung eines Filterelements |
EP3322511B1 (en) | 2015-07-14 | 2022-09-07 | Rohm & Haas Electronic Materials Singapore Pte. Ltd | Aeration device for filtration system |
US11549879B2 (en) * | 2017-05-19 | 2023-01-10 | Hach Company | Membrane integrity monitoring in water treatment |
US11712666B2 (en) | 2021-07-26 | 2023-08-01 | Cytiva Us Llc | Method and system for filter device integrity testing |
Family Cites Families (21)
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 |
GB8313635D0 (en) * | 1983-05-17 | 1983-06-22 | Whatman Reeve Angel Plc | Porosimeter |
DE3428307A1 (de) * | 1984-08-01 | 1986-02-13 | Filterwerk Mann & Hummel Gmbh, 7140 Ludwigsburg | Anzeigevorrichtung fuer den verschmutzungsgrad von ansaugluftfiltern |
US4660411A (en) * | 1985-05-31 | 1987-04-28 | Reid Philip L | Apparatus for measuring transmission of volatile substances through films |
US4656865A (en) * | 1985-09-09 | 1987-04-14 | The Dow Chemical Company | System for analyzing permeation of a gas or vapor through a film or membrane |
DE3546091A1 (de) * | 1985-12-24 | 1987-07-02 | Kernforschungsz Karlsruhe | Querstrom-mikrofilter |
DE3617724A1 (de) * | 1986-05-27 | 1987-12-03 | Akzo Gmbh | Verfahren zur bestimmung des blaspunktes bzw. der groessten pore von membranen oder filterwerkstoffen |
US4846970A (en) * | 1987-06-22 | 1989-07-11 | Osmonics, Inc. | Cross-flow filtration membrane test unit |
US5138870A (en) * | 1989-07-10 | 1992-08-18 | Lyssy Georges H | Apparatus for measuring water vapor permeability through sheet materials |
US5104546A (en) * | 1990-07-03 | 1992-04-14 | Aluminum Company Of America | Pyrogens separations by ceramic ultrafiltration |
US5069065A (en) * | 1991-01-16 | 1991-12-03 | Mobil Oil Corporation | Method for measuring wettability of porous rock |
GB2253572B (en) | 1991-02-11 | 1994-12-14 | Aljac Engineering Limited | Flow device in fluid circuits |
DE4119040C2 (de) * | 1991-06-10 | 1997-01-02 | Pall Corp | Verfahren und Gerät zum Testen des Betriebszustands von Filterelementen |
DE69313574T2 (de) * | 1992-05-01 | 1998-01-08 | Memtec Japan Ltd | Vorrichtung zur Integritätsprüfung von Membranfiltern |
US5282380A (en) * | 1992-06-30 | 1994-02-01 | Millipore Corporation | Integrity test for membranes |
JPH0671120A (ja) | 1992-08-27 | 1994-03-15 | Akai Electric Co Ltd | 濾過器の目詰まり検出方法 |
US5361625A (en) * | 1993-04-29 | 1994-11-08 | Ylvisaker Jon A | Method and device for the measurement of barrier properties of films against gases |
US5297420A (en) * | 1993-05-19 | 1994-03-29 | Mobil Oil Corporation | Apparatus and method for measuring relative permeability and capillary pressure of porous rock |
FR2705734B1 (fr) | 1993-05-25 | 1995-06-30 | Snecma | Procédé et dispositif pour améliorer la sécurité des filtres à fluide. |
EP0640822B1 (en) * | 1993-08-30 | 1998-04-22 | Millipore Investment Holdings Limited | Integrity test for porous structures using acoustic emission |
WO1996028236A1 (en) * | 1995-03-15 | 1996-09-19 | Memtec America Corporation | Filtration monitoring and control system |
-
1997
- 1997-05-30 AU AUPO7097A patent/AUPO709797A0/en not_active Abandoned
-
1998
- 1998-05-26 CN CN98803016A patent/CN1096286C/zh not_active Expired - Fee Related
- 1998-05-26 AU AU75136/98A patent/AU732511B2/en not_active Ceased
- 1998-05-26 GB GB9917873A patent/GB2336684B/en not_active Expired - Fee Related
- 1998-05-26 DE DE19882069T patent/DE19882069B4/de not_active Expired - Fee Related
- 1998-05-26 KR KR10-1999-7011098A patent/KR100491071B1/ko not_active IP Right Cessation
- 1998-05-26 JP JP50000999A patent/JP2002500554A/ja active Pending
- 1998-05-26 WO PCT/AU1998/000387 patent/WO1998053902A1/en active IP Right Grant
-
1999
- 1999-08-31 US US09/386,899 patent/US6202475B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2336684B (en) | 2001-09-12 |
KR100491071B1 (ko) | 2005-05-24 |
DE19882069B4 (de) | 2013-11-07 |
GB2336684A8 (en) | 2000-01-11 |
CN1249698A (zh) | 2000-04-05 |
AU7513698A (en) | 1998-12-30 |
GB9917873D0 (en) | 1999-09-29 |
WO1998053902A1 (en) | 1998-12-03 |
US6202475B1 (en) | 2001-03-20 |
GB2336684A (en) | 1999-10-27 |
AUPO709797A0 (en) | 1997-06-26 |
AU732511B2 (en) | 2001-04-26 |
KR20010013118A (ko) | 2001-02-26 |
DE19882069T1 (de) | 2000-04-27 |
JP2002500554A (ja) | 2002-01-08 |
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