FR2322637B1 - - Google Patents

Info

Publication number
FR2322637B1
FR2322637B1 FR7622826A FR7622826A FR2322637B1 FR 2322637 B1 FR2322637 B1 FR 2322637B1 FR 7622826 A FR7622826 A FR 7622826A FR 7622826 A FR7622826 A FR 7622826A FR 2322637 B1 FR2322637 B1 FR 2322637B1
Authority
FR
France
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
Application number
FR7622826A
Other versions
FR2322637A1 (fr
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.)
Consiglio Nazionale delle Richerche CNR
Original Assignee
Consiglio Nazionale delle Richerche CNR
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 Consiglio Nazionale delle Richerche CNR filed Critical Consiglio Nazionale delle Richerche CNR
Publication of FR2322637A1 publication Critical patent/FR2322637A1/fr
Application granted granted Critical
Publication of FR2322637B1 publication Critical patent/FR2322637B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/108—Inorganic support material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/56—Polyamides, e.g. polyester-amides
FR7622826A 1975-07-30 1976-07-27 Procede de fabrication de membranes anisotropes a base de polyamides synthetiques sur support pour l'osmose inverse Granted FR2322637A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25908/75A IT1040274B (it) 1975-07-30 1975-07-30 Procedimento di preparazione di membrane anisotrope supportate per osmosi inversa a base di poliammidi sintetiche

Publications (2)

Publication Number Publication Date
FR2322637A1 FR2322637A1 (fr) 1977-04-01
FR2322637B1 true FR2322637B1 (fr) 1982-02-05

Family

ID=11218105

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7622826A Granted FR2322637A1 (fr) 1975-07-30 1976-07-27 Procede de fabrication de membranes anisotropes a base de polyamides synthetiques sur support pour l'osmose inverse

Country Status (10)

Country Link
US (1) US4230583A (fr)
JP (1) JPS6057361B2 (fr)
BE (1) BE844637A (fr)
CA (1) CA1076427A (fr)
DE (1) DE2633812A1 (fr)
FR (1) FR2322637A1 (fr)
GB (1) GB1532459A (fr)
IL (1) IL50135A (fr)
IT (1) IT1040274B (fr)
NL (1) NL185133C (fr)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808222C3 (de) * 1978-02-25 1981-09-03 Battelle-Institut E.V., 6000 Frankfurt Verfahren zur Herstellung von Composite-Membranen
AT375024B (de) * 1978-05-15 1984-06-25 Pall Corp Filterelement
JPS57174107A (en) * 1981-04-20 1982-10-26 Teijin Ltd Production of permselective membrane
US4385148A (en) * 1981-06-25 1983-05-24 E. I. Du Pont De Nemours And Company Reverse osmosis membrane preparation
ES516206A0 (es) * 1981-10-21 1983-10-01 Du Pont "mejoras introducidas en un procedimiento para la preparacion de una membrana de osmosis inversa".
US4454176A (en) * 1981-10-21 1984-06-12 E. I. Du Pont De Nemours And Company Supported reverse osmosis membranes
DE3149976A1 (de) * 1981-12-17 1983-06-30 Hoechst Ag, 6230 Frankfurt Makroporoese asymmetrische hydrophile membran aus synthetischem polymerisat
JPS59160506A (ja) * 1983-02-28 1984-09-11 Kuraray Co Ltd 複合中空糸分離膜およびその製造法
US4879044A (en) * 1987-10-14 1989-11-07 Exxon Research And Engineering Company Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non aromatics
US4828773A (en) * 1987-10-14 1989-05-09 Exxon Research And Engineering Company Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics
US4861628A (en) * 1987-10-14 1989-08-29 Exxon Research And Engineering Company Thin film composite membrane prepared by suspension deposition
US5028329A (en) * 1989-02-10 1991-07-02 Separem S.P.A. Process for preparing reverse-osmosis membrane, and membrane obtained with the process
US5053133A (en) * 1990-02-09 1991-10-01 Elias Klein Affinity separation with activated polyamide microporous membranes
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
CA2551202C (fr) 1996-12-20 2010-10-26 Usf Filtration And Separations Group, Inc. Procede de decapage
US6596112B1 (en) * 2000-10-20 2003-07-22 Pall Corporation Laminates of asymmetric membranes
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
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
EP1551535B1 (fr) 2002-10-10 2012-01-25 Siemens Industry, Inc. Filtre a membranes et procede de lavage a contre-courant
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
CN100421772C (zh) * 2003-11-14 2008-10-01 西门子水技术公司 改进的组件清洗方法
WO2005092799A1 (fr) * 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Processus et appareil de purification d'eau impure au moyen d'une microfiltration ou d'une ultrafiltration associee a une osmose inversee
EP2380854A3 (fr) * 2004-04-22 2012-07-04 Siemens Industry, Inc. Appareil de filtration comprenant un bioréacteur à membrane et une cuve de traitement pour digérer les matières organiques
WO2006002469A1 (fr) 2004-07-02 2006-01-12 U.S. Filter Wastewater Group, Inc Membrane de transfert de gaz
US8524794B2 (en) 2004-07-05 2013-09-03 Siemens Industry, Inc. Hydrophilic membranes
CA2577137C (fr) 2004-08-20 2014-04-22 Siemens Water Technologies Corp. Modules a membranes comprenant des conduits de gaz et de filtrat et supports ainsi formes
CA2579168C (fr) 2004-09-07 2015-06-23 Siemens Water Technologies Corp. Filtration membranaire avec etape de nettoyage a volume reduit
EP1799334B1 (fr) * 2004-09-14 2013-12-11 Siemens Water Technologies LLC Procedes et appareil permettant d'eliminer des solides d'un module membranaire
CN100548452C (zh) 2004-09-15 2009-10-14 西门子水技术公司 一种薄膜过滤系统以及控制薄膜过滤系统中积垢的方法
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
EP1827664B1 (fr) 2004-12-03 2011-06-08 Siemens Industry, Inc. Post-traitement de membranes
US8496828B2 (en) * 2004-12-24 2013-07-30 Siemens Industry, Inc. Cleaning in membrane filtration systems
WO2006066350A1 (fr) * 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Procede et appareil simples de lavage au gaz
JP2008539054A (ja) 2005-04-29 2008-11-13 シーメンス・ウォーター・テクノロジーズ・コーポレイション 膜フィルターのための化学洗浄
US7988891B2 (en) 2005-07-14 2011-08-02 Siemens Industry, Inc. Monopersulfate treatment of membranes
EP1945333B1 (fr) 2005-08-22 2011-06-08 Siemens Industry, Inc. Ensemble pour filtration d'eau pour réduire le volume de lavage à contre-courant
US7563363B2 (en) 2005-10-05 2009-07-21 Siemens Water Technologies Corp. System for treating wastewater
WO2007044415A2 (fr) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Procédé et appareil destinés à traiter les eaux usées
CA2629709A1 (fr) * 2005-12-09 2007-06-14 Siemens Water Technologies Corp. Processus a volume reduit de lavage a contre-courant
US20090001018A1 (en) * 2006-01-12 2009-01-01 Fufang Zha Operating Strategies in Filtration Processes
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
AU2007272318B2 (en) * 2006-07-14 2011-06-09 Evoqua Water Technologies Llc Improved monopersulfate treatment of membranes
CN101511455B (zh) * 2006-08-31 2013-07-03 西门子工业公司 低压回洗
US8293098B2 (en) * 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US20100012585A1 (en) * 2007-02-16 2010-01-21 Fufang Zha Membrane filtration process and design
US8318028B2 (en) * 2007-04-02 2012-11-27 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
CN101652169A (zh) * 2007-04-04 2010-02-17 西门子水处理技术公司 膜组件的保护
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US20100170847A1 (en) * 2007-05-29 2010-07-08 Fufang Zha Membrane cleaning using an airlift pump
DE202008018516U1 (de) 2007-05-29 2015-01-09 Evoqua Water Technologies Llc Membranreinigung mit einer gepulsten Luftheberpumpe
WO2009000035A1 (fr) * 2007-06-28 2008-12-31 Siemens Water Technologies Corp. Procédé de nettoyage pour des systèmes de filtration simples
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
EP2313172A4 (fr) * 2008-08-14 2013-03-13 Siemens Industry Inc Configuration de bloc pour distillation sur membrane à grande échelle
AU2009282912B2 (en) * 2008-08-20 2014-11-27 Evoqua Water Technologies Llc Improved membrane system backwash energy efficiency
EP2437870A1 (fr) * 2009-06-02 2012-04-11 Siemens Industry, Inc. Nettoyage des membranes par bouchons de gaz pulsés et aération globale
AU2010257526A1 (en) 2009-06-11 2012-01-12 Siemens Industry, Inc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
WO2011079062A1 (fr) * 2009-12-21 2011-06-30 Siemens Industry, Inc. Membranes polymères poreuses chargées et leur préparation
HUE045642T2 (hu) 2010-04-30 2020-01-28 Evoqua Water Tech Llc Folyadékáramlás elosztó készülék
WO2012040412A1 (fr) 2010-09-24 2012-03-29 Siemens Industry, Inc. Collecteur de commande de fluide pour système de filtration à membrane
DE102010052466A1 (de) * 2010-11-26 2012-05-31 Carl Freudenberg Kg Membranträger, dessen Verwendung und Verfahren zur Herstellung flüssig applizierter Polymermembranen mit einem derartigen Membranträger
CN102302901A (zh) * 2011-06-10 2012-01-04 南京帝膜净水材料开发有限公司 一种提高聚酰胺反渗透复合膜水通量的方法
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
EP3473320A1 (fr) 2011-09-30 2019-04-24 Evoqua Water Technologies LLC Vanne d'isolement
WO2014004645A1 (fr) 2012-06-28 2014-01-03 Siemens Industry, Inc. Procédé d'empotage
US9868834B2 (en) 2012-09-14 2018-01-16 Evoqua Water Technologies Llc Polymer blend for membranes
AU2013231145B2 (en) 2012-09-26 2017-08-17 Evoqua Water Technologies Llc Membrane potting methods
AU2013324056B2 (en) 2012-09-26 2017-11-16 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 (fr) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Dispositif de réparation de module de filtration sur membrane
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system
TWI694804B (zh) * 2019-03-22 2020-06-01 心王股份有限公司 單一火排可同時提供烤箱及無煙烤肉爐功能的複合式爐具
CN115445456B (zh) * 2022-09-30 2024-03-19 沃顿科技股份有限公司 一种高通量反渗透复合膜的制备方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526588A (en) * 1967-09-21 1970-09-01 Amicon Corp Macromolecular fractionation process
US3556305A (en) * 1968-03-28 1971-01-19 Amicon Corp Composite membrane and process for making same
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
JPS523343B2 (fr) * 1972-04-28 1977-01-27
US3884801A (en) * 1972-05-02 1975-05-20 Us Interior Preparation of reverse osmosis membranes by complete evaporation of the solvent system
FR2201911B1 (fr) * 1972-07-20 1974-12-27 Rhone Poulenc Sa
US3822202A (en) * 1972-07-20 1974-07-02 Du Pont Heat treatment of membranes of selected polyimides,polyesters and polyamides
DK143986C (da) * 1973-04-12 1982-04-26 Berghof Forschungsinst Fremgangsmaade til fremstilling af uoploeselige asymmetriske polyimidmembraner
IT987156B (it) * 1973-05-07 1975-02-20 Montedison Spa Polipiperazinammidi copolipiperazi nammidi e membrane per osmosi in versa a base di tali materiali polimerici
US3935172A (en) * 1974-05-20 1976-01-27 The United States Of America As Represented By The Secretary Of The Interior Regular copolyamides as desalination membranes
US3969452A (en) * 1974-08-08 1976-07-13 The United States Of America As Represented By The Secretary Of The Department Of The Interior Method for casting and handling ultra-thin reverse osmosis membranes

Also Published As

Publication number Publication date
GB1532459A (en) 1978-11-15
IL50135A0 (en) 1976-09-30
US4230583A (en) 1980-10-28
CA1076427A (fr) 1980-04-29
IL50135A (en) 1979-03-12
NL185133C (nl) 1990-02-01
DE2633812A1 (de) 1977-02-17
NL7608257A (nl) 1977-02-01
DE2633812C2 (fr) 1987-07-30
JPS5216486A (en) 1977-02-07
NL185133B (nl) 1989-09-01
FR2322637A1 (fr) 1977-04-01
BE844637A (fr) 1977-01-31
IT1040274B (it) 1979-12-20
JPS6057361B2 (ja) 1985-12-14

Similar Documents

Publication Publication Date Title
FR2322637B1 (fr)
NO761031L (fr)
FR2336007B1 (fr)
JPS5185321A (fr)
FR2311433B3 (fr)
JPS5535716Y2 (fr)
JPS5197189A (fr)
JPS5418723Y2 (fr)
FR2299583B1 (fr)
JPS5753251B2 (fr)
JPS51113843U (fr)
JPS5245131U (fr)
CS173047B1 (fr)
CH594550A5 (fr)
CH587721A5 (fr)
CH589979A5 (fr)
CH589800A5 (fr)
CH587977A5 (fr)
CH603151A5 (fr)
CH602904A5 (fr)
CH595082A5 (fr)
CH596568A5 (fr)
CH596797A5 (fr)
CH596869A5 (fr)
CH597333A5 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse