DE2633812A1 - Verfahren zur herstellung von abgestuetzten anisotropen membranen aus synthetischen polyamiden fuer die umgekehrte osmose - Google Patents
Verfahren zur herstellung von abgestuetzten anisotropen membranen aus synthetischen polyamiden fuer die umgekehrte osmoseInfo
- Publication number
- DE2633812A1 DE2633812A1 DE19762633812 DE2633812A DE2633812A1 DE 2633812 A1 DE2633812 A1 DE 2633812A1 DE 19762633812 DE19762633812 DE 19762633812 DE 2633812 A DE2633812 A DE 2633812A DE 2633812 A1 DE2633812 A1 DE 2633812A1
- Authority
- DE
- Germany
- Prior art keywords
- water
- carrier
- membranes
- acid
- soluble
- 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.)
- Granted
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
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)
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 |
---|---|
DE2633812A1 true DE2633812A1 (de) | 1977-02-17 |
DE2633812C2 DE2633812C2 (US20100268047A1-20101021-C00003.png) | 1987-07-30 |
Family
ID=11218105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19762633812 Granted DE2633812A1 (de) | 1975-07-30 | 1976-07-28 | Verfahren zur herstellung von abgestuetzten anisotropen membranen aus synthetischen polyamiden fuer die umgekehrte osmose |
Country Status (10)
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0068459A1 (en) * | 1981-06-25 | 1983-01-05 | E.I. Du Pont De Nemours And Company | Reverse osmosis membrane preparation |
EP0077691A1 (en) * | 1981-10-21 | 1983-04-27 | E.I. Du Pont De Nemours And Company | Supported reverse osmosis membranes |
EP0082433A2 (de) * | 1981-12-17 | 1983-06-29 | Hoechst Aktiengesellschaft | Makroporöse asymmetrische hydrophile Membran aus synthetischem Polymerisat |
AT375024B (de) * | 1978-05-15 | 1984-06-25 | Pall Corp | Filterelement |
WO2012069099A1 (de) * | 2010-11-26 | 2012-05-31 | Carl Freudenberg Kg | Membranträger, dessen verwendung und verfahren zur herstellung flüssig applizierter polymermembranen mit einem derartigen membranträger |
Families Citing this family (74)
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 |
JPS57174107A (en) * | 1981-04-20 | 1982-10-26 | Teijin Ltd | Production of permselective membrane |
US4454176A (en) * | 1981-10-21 | 1984-06-12 | E. I. Du Pont De Nemours And Company | Supported reverse osmosis membranes |
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 |
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2421353A1 (de) * | 1973-05-07 | 1974-11-21 | Montedison Spa | Polypiperazinamide und ihre verwendung |
Family Cites Families (11)
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 |
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 |
-
1975
- 1975-07-30 IT IT25908/75A patent/IT1040274B/it active
-
1976
- 1976-07-26 NL NLAANVRAGE7608257,A patent/NL185133C/xx not_active IP Right Cessation
- 1976-07-27 FR FR7622826A patent/FR2322637A1/fr active Granted
- 1976-07-27 IL IL50135A patent/IL50135A/xx unknown
- 1976-07-28 DE DE19762633812 patent/DE2633812A1/de active Granted
- 1976-07-28 GB GB31350/76A patent/GB1532459A/en not_active Expired
- 1976-07-29 BE BE169336A patent/BE844637A/xx not_active IP Right Cessation
- 1976-07-30 JP JP51090405A patent/JPS6057361B2/ja not_active Expired
- 1976-07-30 CA CA258,225A patent/CA1076427A/en not_active Expired
-
1978
- 1978-10-16 US US05/951,365 patent/US4230583A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2421353A1 (de) * | 1973-05-07 | 1974-11-21 | Montedison Spa | Polypiperazinamide und ihre verwendung |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT375024B (de) * | 1978-05-15 | 1984-06-25 | Pall Corp | Filterelement |
EP0068459A1 (en) * | 1981-06-25 | 1983-01-05 | E.I. Du Pont De Nemours And Company | Reverse osmosis membrane preparation |
EP0077691A1 (en) * | 1981-10-21 | 1983-04-27 | E.I. Du Pont De Nemours And Company | Supported reverse osmosis membranes |
EP0082433A2 (de) * | 1981-12-17 | 1983-06-29 | Hoechst Aktiengesellschaft | Makroporöse asymmetrische hydrophile Membran aus synthetischem Polymerisat |
EP0082433A3 (en) * | 1981-12-17 | 1983-08-31 | Hoechst Aktiengesellschaft | Hydrophilic asymmetrical macroporous membrane of a synthetic polymerizate |
WO2012069099A1 (de) * | 2010-11-26 | 2012-05-31 | Carl Freudenberg Kg | Membranträger, dessen verwendung und verfahren zur herstellung flüssig applizierter polymermembranen mit einem derartigen membranträger |
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 |
NL7608257A (nl) | 1977-02-01 |
BE844637A (fr) | 1977-01-31 |
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |