NL7608257A - Werkwijze voor het vervaardigen van onder- steunde anisotropische membranen, voor omge- keerde osmose, op basis van synthetische polyamiden. - Google Patents
Werkwijze voor het vervaardigen van onder- steunde anisotropische membranen, voor omge- keerde osmose, op basis van synthetische polyamiden.Info
- Publication number
- NL7608257A NL7608257A NL7608257A NL7608257A NL7608257A NL 7608257 A NL7608257 A NL 7608257A NL 7608257 A NL7608257 A NL 7608257A NL 7608257 A NL7608257 A NL 7608257A NL 7608257 A NL7608257 A NL 7608257A
- Authority
- NL
- Netherlands
- Prior art keywords
- reverse osmosis
- synthetic polyamides
- anisotropic membranes
- manufacturing supported
- supported anisotropic
- Prior art date
Links
- 239000004952 Polyamide Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000012528 membrane Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229920002647 polyamide Polymers 0.000 title 1
- 238000001223 reverse osmosis Methods 0.000 title 1
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)
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 (3)
Publication Number | Publication Date |
---|---|
NL7608257A true NL7608257A (nl) | 1977-02-01 |
NL185133B NL185133B (nl) | 1989-09-01 |
NL185133C NL185133C (nl) | 1990-02-01 |
Family
ID=11218105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7608257,A NL185133C (nl) | 1975-07-30 | 1976-07-26 | Werkwijze voor het vervaardigen van een anisotroop, asymmetrisch membraan voor omgekeerde osmose. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4230583A (nl) |
JP (1) | JPS6057361B2 (nl) |
BE (1) | BE844637A (nl) |
CA (1) | CA1076427A (nl) |
DE (1) | DE2633812A1 (nl) |
FR (1) | FR2322637A1 (nl) |
GB (1) | GB1532459A (nl) |
IL (1) | IL50135A (nl) |
IT (1) | IT1040274B (nl) |
NL (1) | NL185133C (nl) |
Families Citing this family (79)
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 |
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 |
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 |
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 |
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AU721064B2 (en) | 1996-12-20 | 2000-06-22 | Evoqua Water Technologies Llc | Scouring method |
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 |
CN103285737B (zh) * | 2003-08-29 | 2016-01-13 | 伊沃夸水处理技术有限责任公司 | 反洗 |
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 |
WO2005092799A1 (en) * | 2004-03-26 | 2005-10-06 | U.S. Filter Wastewater Group, Inc. | Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis |
JP2007535398A (ja) * | 2004-04-22 | 2007-12-06 | シーメンス ウォーター テクノロジース コーポレイション | 有機物質を消化するためのメンブレンバイオリアクタおよび処理槽を含む濾過装置ならびに廃液処理方法 |
EP1773476A4 (en) | 2004-07-02 | 2007-07-25 | Siemens Water Tech 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 |
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WO2006029465A1 (en) | 2004-09-15 | 2006-03-23 | Siemens Water Technologies Corp. | Continuously variable aeration |
US7591950B2 (en) | 2004-11-02 | 2009-09-22 | Siemens Water Technologies Corp. | Submerged cross-flow filtration |
WO2006058384A1 (en) | 2004-12-03 | 2006-06-08 | Siemens Water Technologies Corp. | Membrane post treatment |
JP4763718B2 (ja) * | 2004-12-24 | 2011-08-31 | 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 | 膜濾過システムの洗浄 |
US8758622B2 (en) * | 2004-12-24 | 2014-06-24 | Evoqua Water Technologies Llc | Simple gas scouring method and apparatus |
WO2006116797A1 (en) | 2005-04-29 | 2006-11-09 | Siemens Water Technologies Corp. | Chemical clean for membrane filter |
CA2614498A1 (en) | 2005-07-14 | 2007-01-18 | Siemens Water Technologies Corp. | Monopersulfate treatment of membranes |
SG164499A1 (en) | 2005-08-22 | 2010-09-29 | Siemens Water Tech Corp | An assembly for water filtration using a tube manifold to minimise backwash |
US20070138090A1 (en) | 2005-10-05 | 2007-06-21 | Jordan Edward J | Method and apparatus for treating wastewater |
WO2007044345A2 (en) | 2005-10-05 | 2007-04-19 | Siemens Water Technologies Corp. | Method and apparatus for treating wastewater |
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KR20080085906A (ko) * | 2006-01-12 | 2008-09-24 | 지멘스 워터 테크놀로지스 코포레이션 | 여과 공정에서의 개선된 가동 전략 |
US7455765B2 (en) | 2006-01-25 | 2008-11-25 | Siemens Water Technologies Corp. | Wastewater treatment system and method |
MY145939A (en) * | 2006-07-14 | 2012-05-31 | Siemens Industry Inc | Improved monopersulfate treatment of membranes |
KR20090046966A (ko) * | 2006-08-31 | 2009-05-11 | 지멘스 워터 테크놀로지스 코포레이션 | 저압 역세척 |
WO2008051546A2 (en) * | 2006-10-24 | 2008-05-02 | Siemens Water Technologies Corp. | Infiltration/inflow control for membrane bioreactor |
US20100012585A1 (en) * | 2007-02-16 | 2010-01-21 | Fufang Zha | Membrane filtration process and design |
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US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
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US20100170847A1 (en) * | 2007-05-29 | 2010-07-08 | Fufang Zha | Membrane cleaning using an airlift pump |
CN103055703B (zh) * | 2007-05-29 | 2016-08-10 | 伊沃夸水处理技术有限责任公司 | 使用脉冲气提泵的膜清洗 |
AU2008101317A4 (en) * | 2007-06-28 | 2013-05-09 | Evoqua Water Technologies Llc | Cleaning method for simple filtration systems |
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 |
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JP2012500117A (ja) * | 2008-08-20 | 2012-01-05 | シーメンス ウォーター テクノロジース コーポレイション | 膜濾過システムの逆洗エネルギ効率の改善 |
SG176298A1 (en) * | 2009-06-02 | 2012-01-30 | Siemens Industry Inc | Membrane cleaning with pulsed gas slugs and global aeration |
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 |
US20110147308A1 (en) * | 2009-12-21 | 2011-06-23 | Siemens Water Technologies Corp. | Charged Porous Polymeric Membranes and Their Preparation |
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AU2014329869B2 (en) | 2013-10-02 | 2018-06-14 | Evoqua Water Technologies Llc | A method and device for repairing a membrane filtration module |
EP3322511B1 (en) | 2015-07-14 | 2022-09-07 | Rohm & Haas Electronic Materials Singapore Pte. Ltd | Aeration device for filtration system |
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Family Cites Families (12)
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 (nl) * | 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 |
US3822202A (en) * | 1972-07-20 | 1974-07-02 | Du Pont | Heat treatment of membranes of selected polyimides,polyesters and polyamides |
FR2201911B1 (nl) * | 1972-07-20 | 1974-12-27 | Rhone Poulenc Sa | |
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 |
-
1975
- 1975-07-30 IT IT25908/75A patent/IT1040274B/it active
-
1976
- 1976-07-26 NL NLAANVRAGE7608257,A patent/NL185133C/nl not_active IP Right Cessation
- 1976-07-27 IL IL50135A patent/IL50135A/xx unknown
- 1976-07-27 FR FR7622826A patent/FR2322637A1/fr active Granted
- 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 CA CA258,225A patent/CA1076427A/en not_active Expired
- 1976-07-30 JP JP51090405A patent/JPS6057361B2/ja not_active Expired
-
1978
- 1978-10-16 US US05/951,365 patent/US4230583A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4230583A (en) | 1980-10-28 |
DE2633812A1 (de) | 1977-02-17 |
FR2322637B1 (nl) | 1982-02-05 |
BE844637A (fr) | 1977-01-31 |
NL185133C (nl) | 1990-02-01 |
JPS6057361B2 (ja) | 1985-12-14 |
IL50135A (en) | 1979-03-12 |
FR2322637A1 (fr) | 1977-04-01 |
JPS5216486A (en) | 1977-02-07 |
DE2633812C2 (nl) | 1987-07-30 |
CA1076427A (en) | 1980-04-29 |
GB1532459A (en) | 1978-11-15 |
IT1040274B (it) | 1979-12-20 |
NL185133B (nl) | 1989-09-01 |
IL50135A0 (en) | 1976-09-30 |
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Legal Events
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BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |