ES2140914T3 - Procedimiento de limpieza de una instalacion de filtracion del tipo de membranas sumergidas. - Google Patents

Procedimiento de limpieza de una instalacion de filtracion del tipo de membranas sumergidas.

Info

Publication number
ES2140914T3
ES2140914T3 ES96939147T ES96939147T ES2140914T3 ES 2140914 T3 ES2140914 T3 ES 2140914T3 ES 96939147 T ES96939147 T ES 96939147T ES 96939147 T ES96939147 T ES 96939147T ES 2140914 T3 ES2140914 T3 ES 2140914T3
Authority
ES
Spain
Prior art keywords
membranes
cleaning procedure
filter system
membrane type
submerged membrane
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 - Lifetime
Application number
ES96939147T
Other languages
English (en)
Inventor
Pierre Cote
Annie Tazi-Pain
Patricia Grelier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Zenon ULC
OTV Omnium de Traitements et de Valorisation SA
Original Assignee
Zenon Environmental Inc
OTV Omnium de Traitements et de Valorisation SA
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 Zenon Environmental Inc, OTV Omnium de Traitements et de Valorisation SA filed Critical Zenon Environmental Inc
Application granted granted Critical
Publication of ES2140914T3 publication Critical patent/ES2140914T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B01D65/06—Membrane cleaning or sterilisation ; Membrane regeneration with special washing compositions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • B01D2321/04—Backflushing
    • 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
    • B01D2321/164—Use of bases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Filtration Of Liquid (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE LIMPIEZA DE LAS INSTALACIONES DE FILTRADO QUE VAN PROVISTAS DE VARIAS MEMBRANAS SUMERGIDAS EN AL MENOS UNA CUBA QUE CONTIENE EL EFLUENTE QUE VA A FILTRARSE. EL PROCEDIMIENTO COMPRENDE LAS SIGUIENTES ETAPAS: DESAGUAR AL MENOS EN PARTE EL EFLUENTE DE LA CUBA, DE FORMA QUE LAS MEMBRANAS QUEDEN EXPUESTAS AL AIRE; PASAR AL MENOS UNA SOLUCION DE LIMPIEZA A TRAVES DE DICHAS MEMBRANAS MEDIANTE UN FLUJO INVERSO AL FLUJO DE FILTRADO DEL EFLUENTE DIRIGIENDO LA SOLUCION DE LIMPIEZA POR EL LADO PERMEADO DE LAS MEMBRANAS.
ES96939147T 1995-11-22 1996-11-19 Procedimiento de limpieza de una instalacion de filtracion del tipo de membranas sumergidas. Expired - Lifetime ES2140914T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9514188A FR2741280B1 (fr) 1995-11-22 1995-11-22 Procede de nettoyage d'une installation de filtration du type a membranes immergees

Publications (1)

Publication Number Publication Date
ES2140914T3 true ES2140914T3 (es) 2000-03-01

Family

ID=9485034

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96939147T Expired - Lifetime ES2140914T3 (es) 1995-11-22 1996-11-19 Procedimiento de limpieza de una instalacion de filtracion del tipo de membranas sumergidas.

Country Status (15)

Country Link
US (1) US6045698A (es)
EP (1) EP0863793B1 (es)
JP (1) JP4040090B2 (es)
KR (1) KR100453845B1 (es)
AT (1) ATE185702T1 (es)
AU (1) AU710229B2 (es)
BR (1) BR9611625A (es)
CA (2) CA2236840C (es)
DE (1) DE69604818T2 (es)
DK (1) DK0863793T3 (es)
ES (1) ES2140914T3 (es)
FR (1) FR2741280B1 (es)
HU (1) HUP0000070A3 (es)
PL (1) PL182907B1 (es)
WO (1) WO1997018887A1 (es)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5639373A (en) 1995-08-11 1997-06-17 Zenon Environmental Inc. Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate
US7087173B2 (en) 1995-08-11 2006-08-08 Zenon Environmental Inc. Inverted cavity aerator for membrane module
DE69624492T2 (de) 1995-08-11 2003-06-26 Zenon Environmental Inc., Oakville Vertikaler strang von hohlfasermembranen und verfahren zur aufrechterhaltung sauberer faseroberflächen
US8852438B2 (en) * 1995-08-11 2014-10-07 Zenon Technology Partnership Membrane filtration module with adjustable header spacing
US20040238432A1 (en) * 1995-08-11 2004-12-02 Mailvaganam Mahendran Membrane filtration module with adjustable header spacing
EP0952885B1 (en) * 1996-12-20 2010-09-22 Siemens Water Technologies Corp. Scouring method
JP3429148B2 (ja) 1996-12-27 2003-07-22 株式会社荏原製作所 浸漬型中空糸分離膜モジュール及びその製造方法
US6641733B2 (en) * 1998-09-25 2003-11-04 U. S. Filter Wastewater Group, Inc. Apparatus and method for cleaning membrane filtration modules
KR100278476B1 (ko) * 1997-12-29 2001-01-15 윤종용 밸브의 세정방법
JP3606735B2 (ja) 1998-04-21 2005-01-05 株式会社クボタ 活性汚泥用膜カートリッジの再生方法及びその装置
CA2290053C (en) * 1999-11-18 2009-10-20 Zenon Environmental Inc. Immersed membrane module and process
EP1559472A1 (en) * 1998-11-23 2005-08-03 Zenon Environmental Inc. Water filtration using immersed membranes
WO2000030742A1 (en) * 1998-11-23 2000-06-02 Zenon Environmental Inc. Water filtration using immersed membranes
US20040007527A1 (en) * 1998-11-23 2004-01-15 Zenon Environmental Inc. Membrane filtration device and process
US6627082B2 (en) 1999-06-10 2003-09-30 Envirogen, Inc. System and method for withdrawing permeate through a filter and for cleaning the filter in situ
US6331251B1 (en) * 1999-06-10 2001-12-18 Envirogen, Inc. System and method for withdrawing permeate through a filter and for cleaning the filter in situ
US6303035B1 (en) 1999-07-30 2001-10-16 Zenon Environmental Inc. Immersed membrane filtration process
AU6419000A (en) * 1999-07-29 2001-02-19 Zenon Environmental Inc. Maintenance cleaning for membranes
US6547968B1 (en) 1999-07-30 2003-04-15 Zenon Environmental Inc. Pulsed backwash for immersed membranes
US20040007525A1 (en) * 1999-07-30 2004-01-15 Rabie Hamid R. Maintenance cleaning for membranes
US20010052494A1 (en) * 1999-10-25 2001-12-20 Pierre Cote Chemical cleaning backwash for normally immersed membranes
US6214231B1 (en) * 1999-08-27 2001-04-10 Zenon Environmental Inc. System for operation of multiple membrane filtration assemblies
US6589426B1 (en) * 1999-09-29 2003-07-08 Zenon Environmental Inc. Ultrafiltration and microfiltration module and system
JP4713801B2 (ja) * 1999-11-18 2011-06-29 ジーイー・ゼノン・ユーエルシー 浸漬型薄膜エレメントおよびモジュール
AUPQ680100A0 (en) * 2000-04-10 2000-05-11 Usf Filtration And Separations Group Inc. Hollow fibre restraining system
DE10045227C1 (de) * 2000-09-13 2002-02-07 Vosenkaul Klaus Membranfilter für die Wasseraufbereitung
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
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
DE10216170A1 (de) * 2002-04-12 2003-10-30 Maritime Contractors Deutschla Verfahren zur Stabilisierung und zur Steigerung von Membranleistungen
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
DE60326452D1 (de) * 2002-06-28 2009-04-16 Tno Verfahren zur reinigung von filtern
AU2002950934A0 (en) * 2002-08-21 2002-09-12 U. S. Filter Wastewater Group, Inc. Aeration method
CA2501628C (en) * 2002-10-10 2012-12-04 U.S. Filter Wastewater Group, Inc. A filtration and backwashing arrangement for membrane modules
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
US8268176B2 (en) * 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
US7879229B2 (en) * 2003-10-29 2011-02-01 Zenon Technology Partnership Water treatment plant with immersed membranes
US8114293B2 (en) * 2003-10-29 2012-02-14 Zenon Technology Partnership Method of operating a water treatment plant with immersed membranes
AU2004289373B2 (en) 2003-11-14 2010-07-29 Evoqua Water Technologies Llc Improved module cleaning method
US20050194315A1 (en) * 2004-02-27 2005-09-08 Adams Nicholas W.H. Membrane batch filtration process
WO2005082498A1 (en) * 2004-02-27 2005-09-09 Zenon Environmental Inc. Water filtration using immersed membranes
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
WO2005107929A2 (en) 2004-04-22 2005-11-17 Siemens Water Technologies Corp. Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
JP2008504122A (ja) * 2004-07-02 2008-02-14 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 気体輸送膜
EP1773477B1 (en) 2004-07-05 2011-09-07 Siemens Water Technologies Corp. Hydrophilic membranes
NZ588094A (en) 2004-08-20 2012-04-27 Siemens Water Tech Corp Potting head for hollow fibre filter module
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
EP1807181A4 (en) 2004-09-15 2009-04-22 Siemens Water Tech Corp CONTINUOUS ADJUSTABLE VENTILATION
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
MY141919A (en) * 2004-12-03 2010-07-30 Siemens Water Tech Corp Membrane post treatment
US20060118487A1 (en) * 2004-12-07 2006-06-08 Adams Nicholas W H Membrane filtration process
ATE549076T1 (de) * 2004-12-24 2012-03-15 Siemens Industry Inc Reinigung in membranfiltrationssystemen
CA2591580A1 (en) 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Simple gas scouring method and apparatus
AU2006206046B2 (en) * 2005-01-14 2010-10-28 Evoqua Water Technologies Llc Filtration system
NL1028484C2 (nl) * 2005-03-08 2006-09-11 Kiwa Water Res Werkwijze en inrichting voor het in een membraan-filtratie-eenheid behandelen van een waterige afvalstroom afkomstig van een bioreactor.
JP4867180B2 (ja) * 2005-03-16 2012-02-01 栗田工業株式会社 浸漬型膜分離装置及びその薬品洗浄方法
CN101184548B (zh) * 2005-04-29 2011-10-05 西门子水技术公司 用于膜滤器的化学清洗剂
EP1726353A1 (en) * 2005-05-25 2006-11-29 Johnson Diversey, Inc. Membrane filtration of a product
NZ563980A (en) * 2005-06-20 2011-07-29 Siemens Water Tech Corp Cross linking treatment of polymer membranes
DE102005031232B4 (de) * 2005-07-01 2007-08-02 Aquacarat Gmbh Vorrichtung und Verfahren zur Reinigung und/oder Desinfektion von Filtern
WO2007006104A1 (en) 2005-07-14 2007-01-18 Siemens Water Technologies Corp. Monopersulfate treatment of membranes
DE102005035044A1 (de) * 2005-07-27 2007-02-01 Koch Membrane Systems Gmbh Verfahren zum Rückspülen von Kapillarmembranen einer Membrananlage
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
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US7563363B2 (en) 2005-10-05 2009-07-21 Siemens Water Technologies Corp. System for treating wastewater
US20070084795A1 (en) * 2005-10-05 2007-04-19 Jordan Edward J Method and system for treating wastewater
CA2623893A1 (en) * 2005-10-24 2007-05-03 Kubota Corporation Large scale membrane separating installation
US7147778B1 (en) 2006-01-05 2006-12-12 I. Kruger Inc. Method and system for nitrifying and denitrifying wastewater
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
DE102008006501B4 (de) 2007-03-19 2013-05-16 Sonja Lauterborn Kombiniertes Ultraschall-Luft-Rückspülverfahren zur chemikalienfreien In- situ-Reinigung getauchter Membranen bei Rückspülung während des Betriebes
EP2129629A1 (en) 2007-04-02 2009-12-09 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
EP2331242B1 (en) 2008-07-24 2018-09-05 Evoqua Water Technologies LLC Frame system for membrane filtration modules
AU2009282912B2 (en) 2008-08-20 2014-11-27 Evoqua Water Technologies Llc Improved membrane system backwash energy efficiency
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
EP2563501B1 (en) 2010-04-30 2019-05-15 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
US8910799B2 (en) 2011-08-01 2014-12-16 Enveera, Inc. Integrated membrane system for distributed water treatment
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
CN103958024B (zh) 2011-09-30 2016-07-06 伊沃夸水处理技术有限责任公司 改进的歧管排列
AU2013280452B2 (en) 2012-06-28 2017-07-20 Evoqua Water Technologies Llc A potting method
KR20150054918A (ko) 2012-09-14 2015-05-20 에보쿠아 워터 테크놀로지스 엘엘씨 막을 위한 중합체 블렌드
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
WO2014052071A1 (en) 2012-09-26 2014-04-03 Evoqua Water Technologies Llc Membrane securement device
KR20150059788A (ko) 2012-09-27 2015-06-02 에보쿠아 워터 테크놀로지스 엘엘씨 침지된 막을 위한 가스 스코어링 장치
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
DE102015107455B3 (de) 2015-05-12 2016-06-09 Vovo-Tec Gmbh Verfahren zur chemischen Reinigung eines getauchten Membranfilters und Vorrichtung zur Anwendung des Verfahrens
CN107847869B (zh) 2015-07-14 2021-09-10 罗门哈斯电子材料新加坡私人有限公司 用于过滤系统的通气装置
PL249004B1 (pl) * 2023-09-14 2026-02-16 Politechnika Koszalinska Sposób higienizacji elementów instalacji rurociągowych, zwłaszcza instalacji spożywczych i układ higienizacji elementów instalacji rurociągowych, zwłaszcza instalacji spożywczych

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6393310A (ja) * 1986-10-08 1988-04-23 Nippon Atom Ind Group Co Ltd 再生機能を備えた油水分離装置
US5248424A (en) * 1990-08-17 1993-09-28 Zenon Environmental Inc. Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate
FI86380C (fi) * 1990-09-10 1992-08-25 Kemira Oy Foerfarande foer rening av filter.
JPH0665371B2 (ja) * 1990-09-20 1994-08-24 荏原インフイルコ株式会社 有機性汚水の生物処理装置
DK0510328T3 (da) * 1991-03-07 1996-02-05 Kubota Kk Apparat til behandling af aktiveret slam
JP2755507B2 (ja) * 1991-06-06 1998-05-20 株式会社クボタ 汚水処理装置
JPH05177185A (ja) * 1991-12-27 1993-07-20 Mitsui Constr Co Ltd 上水処理装置
JP3401874B2 (ja) * 1993-10-28 2003-04-28 栗田工業株式会社 浸漬型膜分離装置
FR2713220B1 (fr) * 1993-11-30 1996-03-08 Omnium Traitement Valorisa Installation de potabilisation de l'eau à membranes filtrantes immergées.
US5403479A (en) * 1993-12-20 1995-04-04 Zenon Environmental Inc. In situ cleaning system for fouled membranes
JPH07313850A (ja) * 1994-05-30 1995-12-05 Kubota Corp 浸漬型セラミック膜分離装置の逆洗方法

Also Published As

Publication number Publication date
HUP0000070A2 (hu) 2000-06-28
PL326935A1 (en) 1998-11-09
WO1997018887A1 (fr) 1997-05-29
AU7630096A (en) 1997-06-11
DE69604818D1 (de) 1999-11-25
MX9804058A (es) 1998-12-31
CA2236840C (en) 2005-09-13
FR2741280B1 (fr) 1997-12-19
EP0863793A1 (fr) 1998-09-16
KR19990071569A (ko) 1999-09-27
CA2484573C (en) 2008-05-13
EP0863793B1 (fr) 1999-10-20
KR100453845B1 (ko) 2005-01-15
AU710229B2 (en) 1999-09-16
BR9611625A (pt) 1999-12-28
ATE185702T1 (de) 1999-11-15
DK0863793T3 (da) 2000-04-25
FR2741280A1 (fr) 1997-05-23
CA2484573A1 (en) 1997-05-29
JP2000500392A (ja) 2000-01-18
HUP0000070A3 (en) 2002-01-28
DE69604818T2 (de) 2000-06-21
PL182907B1 (pl) 2002-04-30
JP4040090B2 (ja) 2008-01-30
CA2236840A1 (en) 1997-05-29
US6045698A (en) 2000-04-04

Similar Documents

Publication Publication Date Title
CN102665874B (zh) 水净化系统
HUP0000639A2 (hu) Hordozható,fordított ozmózissal működő berendezés ivóvíz előállítására
DE68901411D1 (de) Integrierte vorrichtung zur biospezifischen reinigung einer zellen enthaltenden fluessigkeit.
ATE268738T1 (de) Unter der theke befindliche wasserbehandlungsvorrichtung
AR001574A1 (es) Un filtro para dializado y un aparato de dialisis que lo comprende
ES2103916T3 (es) Cadena de tratamiento de aguas de superficie con barrera de seguridad, dicha barrera de seguridad, y aplicaciones correspondientes.
ATE185702T1 (de) Reinigungsverfahren für eine unterwassermembranfitteranlage
KR830006118A (ko) 물의 연화(軟化) 및 정화를 위한 장치
BR0012993A (pt) Método de filtragem de fluxo cruzado e uma instalação de filtragem de fluxo cruzado
NO20005195L (no) Filter for fjerning av faststoffer fra væsker
RU97109261A (ru) Способ очистки воды и мембранная установка для его осуществления
BR9812721A (pt) Aparelho e método para a purificação de água
FR2781782B1 (fr) Procede et dispositif de filtration d'eau par membrane immergee
PT1071635E (pt) Metodo de purificacao de solucoes de silicatos de metais alcalinos
RU2017130640A (ru) Система фильтрации воды
RU2017130637A (ru) Система фильтрации воды
FR2180436A1 (en) Reverse osmosis - automatic membrane washing
CN209583710U (zh) 工业用组合式反渗透装置
KR100372806B1 (ko) 항균 은세라믹 필터가 장착된 다단계 필터 일체식 구조의정수기
CN204897567U (zh) 一种新型一体式反渗透净水机
CN213202568U (zh) 一种单级净水机及其单级净水系统
CN209974454U (zh) 一种洗手间空气除臭系统
ITMI20080835A1 (it) '' dispositivo di filtrazione acqua per uso domestico ''
JPH10128308A (ja) 手押しポンプ式で携帯型の逆浸透膜フィルターセット
ES2194734T3 (es) Procedimiento y dispositivo para la purificacion de aguas residuales mediante filtracion por membrana modificada.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 863793

Country of ref document: ES