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 languages
French (fr)
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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
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 (US07223432-20070529-C00017.png) 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 (US07223432-20070529-C00017.png)
JP (1) JPS6057361B2 (US07223432-20070529-C00017.png)
BE (1) BE844637A (US07223432-20070529-C00017.png)
CA (1) CA1076427A (US07223432-20070529-C00017.png)
DE (1) DE2633812A1 (US07223432-20070529-C00017.png)
FR (1) FR2322637A1 (US07223432-20070529-C00017.png)
GB (1) GB1532459A (US07223432-20070529-C00017.png)
IL (1) IL50135A (US07223432-20070529-C00017.png)
IT (1) IT1040274B (US07223432-20070529-C00017.png)
NL (1) NL185133C (US07223432-20070529-C00017.png)

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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
US4454176A (en) * 1981-10-21 1984-06-12 E. I. Du Pont De Nemours And Company Supported reverse osmosis membranes
ES8308901A1 (es) * 1981-10-21 1983-10-01 Du Pont "mejoras introducidas en un procedimiento para la preparacion de una membrana de osmosis inversa".
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
KR20000069628A (ko) 1996-12-20 2000-11-25 브라이언 디어 세척 방법
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
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
EP1677898B1 (en) * 2003-08-29 2016-03-09 Evoqua Water Technologies LLC Backwash
EP1687078B1 (en) * 2003-11-14 2012-03-14 Siemens Industry, Inc. Improved 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
EP2380854A3 (en) 2004-04-22 2012-07-04 Siemens Industry, Inc. Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
CA2571498A1 (en) 2004-07-02 2006-01-12 U.S. Filter Wastewater Group, Inc. Gas transfer membrane
EP1773477B1 (en) 2004-07-05 2011-09-07 Siemens Water Technologies Corp. Hydrophilic membranes
CA2577137C (en) 2004-08-20 2014-04-22 Siemens Water Technologies Corp. Membrane modules with gas and filtrate conduits and racks formed therefrom
CA2579168C (en) 2004-09-07 2015-06-23 Siemens Water Technologies Corp. Membrane filtration with reduced volume cleaning step
NZ553742A (en) * 2004-09-14 2010-09-30 Siemens Water Tech Corp 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
US7867417B2 (en) 2004-12-03 2011-01-11 Siemens Water Technologies Corp. Membrane post treatment
CA2591408C (en) * 2004-12-24 2015-07-21 Siemens Water Technologies Corp. Cleaning in membrane filtration systems
CN100546701C (zh) * 2004-12-24 2009-10-07 西门子水技术公司 简单的气体冲洗方法和装置
NZ562786A (en) 2005-04-29 2010-10-29 Siemens Water Tech Corp Chemical clean for membrane filter
KR20080031956A (ko) 2005-07-14 2008-04-11 지멘스 워터 테크놀로지스 코포레이션 막의 모노퍼술페이트 처리 방법
EP1945333B1 (en) 2005-08-22 2011-06-08 Siemens Industry, Inc. An assembly for water filtration to minimise backwash volume
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
US20080257822A1 (en) * 2005-12-09 2008-10-23 Warren Thomas Johnson Reduced Backwash Volume Process
CN101370568A (zh) * 2006-01-12 2009-02-18 西门子水技术公司 过滤工艺中改进的运行方法
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
JP2009543675A (ja) * 2006-07-14 2009-12-10 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 向上した、膜のモノ過硫酸塩処理
AU2007291946B2 (en) * 2006-08-31 2012-04-12 Evoqua Water Technologies Llc Low pressure backwash
WO2008051546A2 (en) * 2006-10-24 2008-05-02 Siemens Water Technologies Corp. Infiltration/inflow control for membrane bioreactor
AU2008215180A1 (en) * 2007-02-16 2008-08-21 Siemens Industry, Inc. Membrane filtration process and design
EP2129629A1 (en) * 2007-04-02 2009-12-09 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
EP2134454B1 (en) * 2007-04-04 2013-08-28 Siemens Industry, Inc. Hollow fibre membrane module with protection screen
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
CN101678283B (zh) * 2007-05-29 2012-09-19 西门子工业公司 使用气升泵的膜清洗
US20100300968A1 (en) * 2009-06-02 2010-12-02 Siemens Water Technologies Corp. Membrane cleaning with pulsed gas slugs
NZ581008A (en) 2007-05-29 2012-11-30 Siemens Industry Inc Membrane cleaning with pulsed airlift pump
AU2008267767A1 (en) * 2007-06-28 2008-12-31 Siemens Industry, Inc. Cleaning method for simple filtration systems
JP2013500144A (ja) * 2008-07-24 2013-01-07 シーメンス インダストリー インコーポレイテッド 濾過システムにおける濾過膜モジュールアレイに対して構造的支持を施すための方法および濾過システム
AU2009281935A1 (en) * 2008-08-14 2010-02-18 Siemens Industry, Inc. 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
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
WO2011079062A1 (en) * 2009-12-21 2011-06-30 Siemens Industry, Inc. Charged porous polymeric membranes and their preparation
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
AU2011305377B2 (en) 2010-09-24 2014-11-20 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
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
WO2013048801A1 (en) 2011-09-30 2013-04-04 Siemens Industry, Inc. Improved manifold arrangement
JP2014528354A (ja) 2011-09-30 2014-10-27 エヴォクア ウォーター テクノロジーズ エルエルシーＥｖｏｑｕａ Ｗａｔｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓｌｌｃ 隔離バルブ
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
WO2014043315A1 (en) 2012-09-14 2014-03-20 Evoqua Water Technologies Llc A polymer blend for membranes
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
AU2013324056B2 (en) 2012-09-26 2017-11-16 Evoqua Water Technologies Llc Membrane securement device
AU2013323934A1 (en) 2012-09-27 2015-02-26 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
AU2016294153B2 (en) 2015-07-14 2022-01-20 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

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US3556305A (en) * 1968-03-28 1971-01-19 Amicon Corp Composite membrane and process for making same
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US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
JPS523343B2 (US07223432-20070529-C00017.png) * 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 (US07223432-20070529-C00017.png) * 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
NL7608257A (nl) 1977-02-01
JPS6057361B2 (ja) 1985-12-14
DE2633812A1 (de) 1977-02-17
IL50135A0 (en) 1976-09-30
IT1040274B (it) 1979-12-20
DE2633812C2 (US07223432-20070529-C00017.png) 1987-07-30
US4230583A (en) 1980-10-28
JPS5216486A (en) 1977-02-07
FR2322637A1 (fr) 1977-04-01
NL185133C (nl) 1990-02-01
GB1532459A (en) 1978-11-15
NL185133B (nl) 1989-09-01
BE844637A (fr) 1977-01-31
IL50135A (en) 1979-03-12
CA1076427A (en) 1980-04-29

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