WO2005005028A1 - Cleaning of filtration membranes with peroxides - Google Patents
Cleaning of filtration membranes with peroxides Download PDFInfo
- Publication number
- WO2005005028A1 WO2005005028A1 PCT/EP2004/007300 EP2004007300W WO2005005028A1 WO 2005005028 A1 WO2005005028 A1 WO 2005005028A1 EP 2004007300 W EP2004007300 W EP 2004007300W WO 2005005028 A1 WO2005005028 A1 WO 2005005028A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- influx
- cleaning
- acid
- peroxide
- filtration membrane
- Prior art date
Links
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
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- 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
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- 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
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/027—Nanofiltration
-
- 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
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/04—Feed pretreatment
-
- 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
- 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
- B01D61/147—Microfiltration
-
- 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
- B01D61/16—Feed pretreatment
-
- 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
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
-
- 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
- B01D2321/168—Use of other chemical agents
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04740638A EP1638673A1 (en) | 2003-07-04 | 2004-06-29 | Cleaning of filtration membranes with peroxides |
BRPI0412321-2A BRPI0412321A (en) | 2003-07-04 | 2004-06-29 | cleaning peroxide filtration membranes |
US10/561,510 US20070056904A1 (en) | 2003-07-04 | 2004-06-29 | Cleaning of filtration membranes with peroxides |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03077118 | 2003-07-04 | ||
EP03077118.2 | 2003-07-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005005028A1 true WO2005005028A1 (en) | 2005-01-20 |
Family
ID=34042903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/007300 WO2005005028A1 (en) | 2003-07-04 | 2004-06-29 | Cleaning of filtration membranes with peroxides |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070056904A1 (en) |
EP (1) | EP1638673A1 (en) |
CN (1) | CN1816384A (en) |
BR (1) | BRPI0412321A (en) |
RU (1) | RU2006103262A (en) |
TW (1) | TW200515944A (en) |
WO (1) | WO2005005028A1 (en) |
Cited By (44)
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---|---|---|---|---|
WO2006012691A1 (en) * | 2004-08-04 | 2006-02-09 | U.S. Filter Wastewater Group, Inc. | Chemical and process for cleaning membranes |
WO2007035987A1 (en) * | 2005-09-27 | 2007-04-05 | Siemens Water Technologies Corp. | Chemical cleaning agent and process for cleaning filtration membranes |
EP1901835A1 (en) * | 2005-07-14 | 2008-03-26 | Siemens Water Technologies Corp. | Monopersulfate treatment of membranes |
EP2140928A1 (en) * | 2007-04-03 | 2010-01-06 | Asahi Kasei Chemicals Corporation | Washing agent for separation membrane, process for producing the same and method of washing |
US20100000942A1 (en) * | 2006-07-14 | 2010-01-07 | Heinz Joachim Muller | Monopersulfate treatment of membranes |
US7867417B2 (en) | 2004-12-03 | 2011-01-11 | Siemens Water Technologies Corp. | Membrane post treatment |
US7938966B2 (en) | 2002-10-10 | 2011-05-10 | Siemens Water Technologies Corp. | Backwash method |
AU2006269753B2 (en) * | 2005-07-14 | 2011-09-01 | Evoqua Water Technologies Llc | Monopersulfate treatment of membranes |
US8057574B2 (en) | 2003-07-08 | 2011-11-15 | Siemens Industry, Inc. | Membrane post treatment |
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 |
EP2609990A1 (en) * | 2011-12-30 | 2013-07-03 | Kemira Oyj | Method for preventing microbial growth on filtration membrane |
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 |
US8524794B2 (en) | 2004-07-05 | 2013-09-03 | Siemens Industry, Inc. | Hydrophilic membranes |
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 |
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 |
WO2017106623A1 (en) * | 2015-12-16 | 2017-06-22 | Ecolab Usa Inc. | Peroxyformic acid compositions for membrane filtration cleaning |
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 |
WO2018111341A1 (en) * | 2016-12-15 | 2018-06-21 | Ecolab Usa Inc. | Peroxyformic acid compositions for membrane filtration cleaning in energy services |
US10260025B2 (en) | 2008-02-11 | 2019-04-16 | Ecolab Usa Inc. | Use of activator complexes to enhance lower temperature cleaning in alkaline peroxide cleaning systems |
US10278392B2 (en) | 2016-04-15 | 2019-05-07 | Ecolab Usa Inc. | Performic acid biofilm prevention for industrial CO2 scrubbers |
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 |
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US6641733B2 (en) * | 1998-09-25 | 2003-11-04 | U. S. Filter Wastewater Group, Inc. | Apparatus and method for cleaning membrane filtration modules |
EP1914014A1 (en) * | 2005-07-28 | 2008-04-23 | Idemitsu Kosan Co., Ltd. | Method of detoxification treatment for filter with persistent substance adhering thereto |
CN100450595C (en) * | 2007-06-08 | 2009-01-14 | 江南大学 | Regenerating preprocessing agent for inorganic membrane or ultrafilter membrane and preparation method thereof |
PL2176006T3 (en) | 2007-07-31 | 2018-03-30 | X-Flow B.V. | Method for cleaning equipment for processing liquids containing organic matter |
US8801867B2 (en) * | 2007-07-31 | 2014-08-12 | X-Flow B.V. | Method for cleaning filter membranes |
NZ591259A (en) | 2008-08-20 | 2013-02-22 | Siemens Industry Inc | A hollow membrane filter backwash system using gas pressurised at at least two pressures feed from the down stream side to push water through the filter to clean it |
KR101608109B1 (en) * | 2008-11-20 | 2016-03-31 | 시에이치디 바이오사이언스 인코포레이티드 | Alpha-keto peracids and methods for producing and using the same |
US8445717B2 (en) * | 2008-11-20 | 2013-05-21 | Chd Bioscience, Inc. | α-Keto alkylperacids and methods for producing and using the same |
CN102405093B (en) * | 2009-04-20 | 2015-01-28 | 可隆工业株式会社 | Method for cleaning filtering membrane |
CN101773787B (en) * | 2009-12-31 | 2012-05-30 | 南京工业大学 | Membrane fouling and cleaning method of brine refining process by membrane method |
US11284621B2 (en) | 2010-04-15 | 2022-03-29 | Armis Biopharma, Inc. | Compositions comprising peroxyacid and methods for producing and using the same |
US8933263B2 (en) | 2010-12-29 | 2015-01-13 | Ecolab Usa Inc. | Water temperature as a means of controlling kinetics of onsite generated peracids |
US9044527B2 (en) | 2011-02-17 | 2015-06-02 | Chd Bioscience, Inc. | Wound care products with peracid compositions |
KR20150087234A (en) | 2012-10-18 | 2015-07-29 | 시에이치디 바이오사이언스 인코포레이티드 | Compositions comprising peroxy acid |
EP2970832A4 (en) * | 2013-03-14 | 2016-12-07 | Blue Earth Labs Llc | Compositions and methods for cleaning water filtration media |
CN104209012A (en) * | 2013-05-29 | 2014-12-17 | 成都慧成科技有限责任公司 | Preparation method of reverse osmosis membrane with high throughput and high salt retention rate |
CN103521081A (en) * | 2013-10-31 | 2014-01-22 | 哈尔滨工业大学 | Method for cleaning membrane pollution with high-activity singlet oxygen |
CN110064308A (en) | 2013-11-12 | 2019-07-30 | 艺康美国股份有限公司 | The biological slime inhibitor and suppressing method of membrane separation device |
US9578879B1 (en) | 2014-02-07 | 2017-02-28 | Gojo Industries, Inc. | Compositions and methods having improved efficacy against spores and other organisms |
US10118844B2 (en) | 2014-12-31 | 2018-11-06 | Ecolab Usa Inc. | Multifunctional method for membrane protection and biofouling control |
CN105347457B (en) * | 2015-11-16 | 2017-11-10 | 哈尔滨理工大学 | A kind of method that percolate is handled using singlet oxygen |
CN105600910B (en) * | 2015-11-16 | 2018-01-05 | 哈尔滨理工大学 | A kind of method for treating water for being catalyzed peroxide and producing singlet oxygen depollution |
CN105289311B (en) * | 2015-11-16 | 2017-09-26 | 哈尔滨理工大学 | A kind of method that utilization singlet oxygen cleans fouling membrane |
CN105417673B (en) * | 2015-11-16 | 2017-11-03 | 哈尔滨工业大学 | A kind of method that utilization singlet oxygen removes algae |
CN106861444A (en) * | 2017-03-27 | 2017-06-20 | 嘉兴可珑清洁科技有限公司 | A kind of micro-filtration, milipore filter regenerative agent and preparation method thereof |
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CN115845625A (en) * | 2022-11-24 | 2023-03-28 | 哈尔滨工业大学 | Solid hydrogen peroxide effervescent tablet, preparation method thereof and method for cleaning ultrafiltration membrane in situ by using solid hydrogen peroxide effervescent tablet |
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2004
- 2004-06-29 CN CN200480019085.2A patent/CN1816384A/en active Pending
- 2004-06-29 RU RU2006103262/15A patent/RU2006103262A/en not_active Application Discontinuation
- 2004-06-29 US US10/561,510 patent/US20070056904A1/en not_active Abandoned
- 2004-06-29 EP EP04740638A patent/EP1638673A1/en not_active Withdrawn
- 2004-06-29 WO PCT/EP2004/007300 patent/WO2005005028A1/en not_active Application Discontinuation
- 2004-06-29 BR BRPI0412321-2A patent/BRPI0412321A/en not_active Application Discontinuation
- 2004-07-02 TW TW93120060A patent/TW200515944A/en unknown
Patent Citations (2)
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US6325938B1 (en) * | 1998-08-12 | 2001-12-04 | Mitsubishi Rayon Co., Ltd. | Method of cleaning membrane assembly with detergent |
EP1172335A1 (en) * | 2000-07-11 | 2002-01-16 | E.On Engineering GmbH | Process for cleaning candle filters and membrane systems |
Cited By (81)
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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 |
US7938966B2 (en) | 2002-10-10 | 2011-05-10 | Siemens Water Technologies Corp. | Backwash method |
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 |
US8524794B2 (en) | 2004-07-05 | 2013-09-03 | Siemens Industry, Inc. | Hydrophilic membranes |
WO2006012691A1 (en) * | 2004-08-04 | 2006-02-09 | U.S. Filter Wastewater Group, Inc. | Chemical and process for cleaning membranes |
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 |
US7867417B2 (en) | 2004-12-03 | 2011-01-11 | Siemens Water Technologies Corp. | Membrane post treatment |
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 |
US7988891B2 (en) | 2005-07-14 | 2011-08-02 | Siemens Industry, Inc. | Monopersulfate treatment of membranes |
EP1901835A1 (en) * | 2005-07-14 | 2008-03-26 | Siemens Water Technologies Corp. | Monopersulfate treatment of membranes |
AU2006269753B2 (en) * | 2005-07-14 | 2011-09-01 | Evoqua Water Technologies Llc | Monopersulfate treatment of membranes |
EP1901835A4 (en) * | 2005-07-14 | 2010-01-06 | Siemens Water Tech Corp | Monopersulfate treatment of membranes |
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 |
WO2007035987A1 (en) * | 2005-09-27 | 2007-04-05 | Siemens Water Technologies Corp. | Chemical cleaning agent and process for cleaning filtration membranes |
EP1928586A1 (en) * | 2005-09-27 | 2008-06-11 | Siemens Water Technologies Corp. | Chemical cleaning agent and process for cleaning filtration membranes |
EP1928586A4 (en) * | 2005-09-27 | 2010-01-06 | Siemens Water Tech Corp | Chemical cleaning agent and process for cleaning filtration membranes |
US20100000942A1 (en) * | 2006-07-14 | 2010-01-07 | Heinz Joachim Muller | Monopersulfate treatment of membranes |
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 |
EP2140928A1 (en) * | 2007-04-03 | 2010-01-06 | Asahi Kasei Chemicals Corporation | Washing agent for separation membrane, process for producing the same and method of washing |
EP2140928A4 (en) * | 2007-04-03 | 2011-04-13 | Asahi Kasei Chemicals Corp | Washing agent for separation membrane, process for producing the same and method of washing |
US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
US8840783B2 (en) | 2007-05-29 | 2014-09-23 | Evoqua Water Technologies Llc | Water treatment membrane cleaning with pulsed airlift pump |
US8287743B2 (en) | 2007-05-29 | 2012-10-16 | Siemens Industry, Inc. | Membrane cleaning with pulsed airlift pump |
US8622222B2 (en) | 2007-05-29 | 2014-01-07 | Siemens Water Technologies Llc | Membrane cleaning with pulsed airlift pump |
US9573824B2 (en) | 2007-05-29 | 2017-02-21 | 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 |
US9206057B2 (en) | 2007-05-29 | 2015-12-08 | Evoqua Water Technologies Llc | Membrane cleaning with pulsed airlift pump |
US10260025B2 (en) | 2008-02-11 | 2019-04-16 | Ecolab Usa Inc. | Use of activator complexes to enhance lower temperature cleaning in alkaline peroxide cleaning systems |
US8382981B2 (en) | 2008-07-24 | 2013-02-26 | Siemens Industry, Inc. | Frame system for membrane filtration modules |
US9023206B2 (en) | 2008-07-24 | 2015-05-05 | Evoqua Water Technologies Llc | 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 |
US9630147B2 (en) | 2010-09-24 | 2017-04-25 | Evoqua Water Technologies Llc | Fluid control manifold for membrane filtration system |
US9022224B2 (en) | 2010-09-24 | 2015-05-05 | 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 |
US11065569B2 (en) | 2011-09-30 | 2021-07-20 | Rohm And Haas Electronic Materials Singapore Pte. Ltd. | Manifold arrangement |
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TW200515944A (en) | 2005-05-16 |
EP1638673A1 (en) | 2006-03-29 |
BRPI0412321A (en) | 2006-08-22 |
RU2006103262A (en) | 2006-06-10 |
US20070056904A1 (en) | 2007-03-15 |
CN1816384A (en) | 2006-08-09 |
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