BE844637A - Procede de fabrication de membranes anisotropes a base de polyamides synthetiques sur support pour l'osmose inverse - Google Patents

Procede de fabrication de membranes anisotropes a base de polyamides synthetiques sur support pour l'osmose inverse

Info

Publication number
BE844637A
BE844637A BE169336A BE169336A BE844637A BE 844637 A BE844637 A BE 844637A BE 169336 A BE169336 A BE 169336A BE 169336 A BE169336 A BE 169336A BE 844637 A BE844637 A BE 844637A
Authority
BE
Belgium
Prior art keywords
support
reverse osmosis
synthetic polyamides
membranes based
anisotropic membranes
Prior art date
Application number
BE169336A
Other languages
English (en)
French (fr)
Inventor
A Chiolle
G Gianotti
G Parrini
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 filed Critical
Publication of BE844637A publication Critical patent/BE844637A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/107Organic support material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/108Inorganic support material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/56Polyamides, e.g. polyester-amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
BE169336A 1975-07-30 1976-07-29 Procede de fabrication de membranes anisotropes a base de polyamides synthetiques sur support pour l'osmose inverse BE844637A (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 (1)

Publication Number Publication Date
BE844637A true BE844637A (fr) 1977-01-31

Family

ID=11218105

Family Applications (1)

Application Number Title Priority Date Filing Date
BE169336A BE844637A (fr) 1975-07-30 1976-07-29 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 (US20100268047A1-20101021-C00003.png)
JP (1) JPS6057361B2 (US20100268047A1-20101021-C00003.png)
BE (1) BE844637A (US20100268047A1-20101021-C00003.png)
CA (1) CA1076427A (US20100268047A1-20101021-C00003.png)
DE (1) DE2633812A1 (US20100268047A1-20101021-C00003.png)
FR (1) FR2322637A1 (US20100268047A1-20101021-C00003.png)
GB (1) GB1532459A (US20100268047A1-20101021-C00003.png)
IL (1) IL50135A (US20100268047A1-20101021-C00003.png)
IT (1) IT1040274B (US20100268047A1-20101021-C00003.png)
NL (1) NL185133C (US20100268047A1-20101021-C00003.png)

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
ES8308901A1 (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
US4861628A (en) * 1987-10-14 1989-08-29 Exxon Research And Engineering Company Thin film composite membrane prepared by suspension deposition
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
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
DE69740003D1 (de) 1996-12-20 2010-11-04 Siemens Water Tech Corp Reinigungsmethode
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
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
WO2005021140A1 (en) * 2003-08-29 2005-03-10 U.S. Filter Wastewater Group, Inc. Backwash
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
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
AU2005240524C1 (en) * 2004-04-22 2009-12-24 Evoqua Water Technologies Llc Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
US7819956B2 (en) 2004-07-02 2010-10-26 Siemens Water Technologies 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
EP1789164B1 (en) 2004-08-20 2013-07-03 Siemens Industry, Inc. Square mbr manifolding system
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
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
CN101084057B (zh) 2004-12-03 2013-10-23 西门子工业公司 膜的后处理方法
WO2006066319A1 (en) * 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Cleaning in membrane filtration systems
EP1838422A4 (en) * 2004-12-24 2009-09-02 Siemens Water Tech Corp EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE
NZ562786A (en) 2005-04-29 2010-10-29 Siemens Water Tech Corp Chemical clean for membrane filter
WO2007006104A1 (en) 2005-07-14 2007-01-18 Siemens Water Technologies Corp. Monopersulfate treatment of membranes
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
CN101321578B (zh) * 2005-12-09 2010-12-08 西门子水技术公司 减少反冲洗量的过程
SG168522A1 (en) * 2006-01-12 2011-02-28 Siemens Water Tech Corp Improved operating strategies in filtration processes
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
EP2046489B1 (en) * 2006-07-14 2012-08-29 Siemens Industry, Inc. Improved monopersulfate treatment of membranes
CA2660206A1 (en) * 2006-08-31 2008-03-06 Siemens Water Technologies Corp. Low pressure backwash for membrane filtration system
WO2008051546A2 (en) * 2006-10-24 2008-05-02 Siemens Water Technologies Corp. Infiltration/inflow control for membrane bioreactor
WO2008098309A1 (en) * 2007-02-16 2008-08-21 Siemens Water Technologies Corp. Membrane filtration process and design
WO2008123972A1 (en) * 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
KR20090128531A (ko) * 2007-04-04 2009-12-15 지멘스 워터 테크놀로지스 코포레이션 멤브레인 모듈 보호
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
WO2008144826A1 (en) * 2007-05-29 2008-12-04 Siemens Water Technologies Corp. Membrane cleaning using an airlift pump
CN101790411B (zh) 2007-05-29 2013-07-10 西门子工业公司 使用脉冲气提泵的膜清洗
CN101687148A (zh) * 2007-06-28 2010-03-31 西门子水处理技术公司 简单过滤系统的清洁方法
AU2009273775B2 (en) * 2008-07-24 2014-11-20 Evoqua Water Technologies Llc Frame system for membrane filtration modules
AU2009281935A1 (en) * 2008-08-14 2010-02-18 Siemens Industry, Inc. Block configuration for large scale membrane distillation
EP2315625B1 (en) * 2008-08-20 2018-05-16 Evoqua Water Technologies LLC Improved membrane system backwash energy efficiency
JP2012528717A (ja) * 2009-06-02 2012-11-15 シーメンス インダストリー インコーポレイテッド パルス状の気体スラグおよび大域的曝気による膜洗浄
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
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
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
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
SG11201401089PA (en) 2011-09-30 2014-04-28 Evoqua Water Technologies Llc Improved manifold arrangement
SG11201401091SA (en) 2011-09-30 2014-04-28 Evoqua Water Technologies Llc Isolation valve
EP2866922B1 (en) 2012-06-28 2018-03-07 Evoqua Water Technologies LLC A potting method
WO2014043315A1 (en) 2012-09-14 2014-03-20 Evoqua Water Technologies Llc A polymer blend for membranes
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
AU2013323934A1 (en) 2012-09-27 2015-02-26 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
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 (US20100268047A1-20101021-C00003.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 (US20100268047A1-20101021-C00003.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
CA1076427A (en) 1980-04-29
NL185133B (nl) 1989-09-01
IL50135A (en) 1979-03-12
FR2322637B1 (US20100268047A1-20101021-C00003.png) 1982-02-05
DE2633812A1 (de) 1977-02-17
NL7608257A (nl) 1977-02-01
FR2322637A1 (fr) 1977-04-01
JPS5216486A (en) 1977-02-07
IL50135A0 (en) 1976-09-30
DE2633812C2 (US20100268047A1-20101021-C00003.png) 1987-07-30
US4230583A (en) 1980-10-28
JPS6057361B2 (ja) 1985-12-14
GB1532459A (en) 1978-11-15
NL185133C (nl) 1990-02-01
IT1040274B (it) 1979-12-20

Similar Documents

Publication Publication Date Title
FR2322637A1 (fr) Procede de fabrication de membranes anisotropes a base de polyamides synthetiques sur support pour l'osmose inverse
BE815725A (fr) Procede de fabrication d'un film microporeux
DE68905235D1 (de) Vorrichtung mit hohlfaser-membranen zum stoffaustausch.
FR2322638A1 (fr) Procede de fabrication de membranes semi-permeables
FR2339424A1 (fr) Procede pour la fabrication de membranes semipermeables de polysulfone et membranes obtenues
FR2344514A1 (fr) Procede pour le recueil de xylitol
BE795073A (fr) Procede pour la fabrication d'aubes creuses
FR2351147A1 (fr) Procede de fabrication de membranes pour la separation osmotique
BE858937A (fr) Membranes semi-permeables en polyamides
FR2333548A1 (fr) Nouvelles membranes semi-permeables en copolyamides, et leur utilisation pour l'osmose inverse
BE851777A (fr) Procede de preparation d'aminoglycosides a substituant 2- hydroxy-w-amino-alkyle sur le groupe 1-amino
FR2332043A1 (fr) Module a membrane pour des procedes d'osmose inverse ou d'ultrafiltration
BE858893A (fr) Procede de production d'albumine de serum
GB2033830B (en) Process for producing polyacrylonitrile reverse osmotic membranes
FR2303873A1 (fr) Procede de fabrication de filaments en polyamide-6 dans la modification g
YU39179B (en) Device for diffusing a material between two liquids through semipermeable membranes
BE779192A (fr) Procede de fabrication de pieces moulees a base de polyamides ou de copolyamides
BE759589A (fr) Procede pour la fabrication de membranes propres a l'osmose inversee
GB1555983A (en) Device for diffusing matter between two fluids via semi-permeable membranes
ZA771126B (en) Process for reverse osmosis with hollow fibre membranes
RO63558A2 (ro) Procedeu pentru prepararea n-fenil-n'-1,2,3,-tiadiazol-5-il-tioureei
BE786002A (fr) Copolymeres d'alcenylsulfonates, membranes permeables selectivement auxcations a base de ces copolymeres et procede de preparation de membranes a permeabilite selective a partir de ces copolymeres
IL51289A0 (en) High strength cast modules for supporting reverse osmosis membranes
BE808833A (fr) Composition a base d'amines pour blocs de lithergols
FR2323726A1 (fr) Membrane pour osmose inverse, et son procede de fabrication

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CONSIGLIO NAZIONALE DELLE RICERCHE

Effective date: 19940731

Owner name: MONTEDISON S.P.A.

Effective date: 19940731