IL94091A - A process for increasing the passage of salts in polyamide ambiguous osmosis membranes - Google Patents

A process for increasing the passage of salts in polyamide ambiguous osmosis membranes

Info

Publication number: IL94091A
Authority: IL; Israel
Prior art keywords: membrane; alkali metal; solution; permanganate; reverse osmosis
Prior art date: 1989-06-07

Application number

IL9409190A

Other languages

English (en)

Hebrew (he)

Other versions

IL94091A0 (en

Original Assignee

Du Pont

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.)

1989-06-07

Filing date

1990-04-17

Publication date

1994-10-21

1990-04-17 Application filed by Du Pont filed Critical Du Pont

1991-01-31 Publication of IL94091A0 publication Critical patent/IL94091A0/xx

1994-10-21 Publication of IL94091A publication Critical patent/IL94091A/en

Links

239000012528 membrane Substances 0.000 title claims description 85
150000003839 salts Chemical class 0.000 title claims description 35
238000000034 method Methods 0.000 title claims description 22
238000001223 reverse osmosis Methods 0.000 title claims description 20
239000004952 Polyamide Substances 0.000 title claims description 13
229920002647 polyamide Polymers 0.000 title claims description 13
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
239000000243 solution Substances 0.000 claims description 23
229910052783 alkali metal Inorganic materials 0.000 claims description 22
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 16
239000012466 permeate Substances 0.000 claims description 16
239000007864 aqueous solution Substances 0.000 claims description 15
150000001340 alkali metals Chemical class 0.000 claims description 14
-1 alkali metal bisulfite Chemical class 0.000 claims description 9
239000012510 hollow fiber Substances 0.000 claims description 9
239000000047 product Substances 0.000 claims description 9
239000002131 composite material Substances 0.000 claims description 8
WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 7
239000000203 mixture Substances 0.000 claims description 5
FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 claims description 4
230000000379 polymerizing effect Effects 0.000 claims description 4
230000006641 stabilisation Effects 0.000 claims description 4
238000011105 stabilization Methods 0.000 claims description 4
LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 claims description 4
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
238000011010 flushing procedure Methods 0.000 claims description 3
125000003118 aryl group Chemical group 0.000 claims description 2
229940018564 m-phenylenediamine Drugs 0.000 claims description 2
238000006116 polymerization reaction Methods 0.000 claims 3
125000004122 cyclic group Chemical group 0.000 claims 2
RTWNYYOXLSILQN-UHFFFAOYSA-N methanediamine Chemical compound NCN RTWNYYOXLSILQN-UHFFFAOYSA-N 0.000 claims 1
229920000768 polyamine Polymers 0.000 claims 1
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 24
239000011780 sodium chloride Substances 0.000 description 12
239000010408 film Substances 0.000 description 9
238000012360 testing method Methods 0.000 description 8
239000012141 concentrate Substances 0.000 description 7
238000006243 chemical reaction Methods 0.000 description 6
235000011389 fruit/vegetable juice Nutrition 0.000 description 6
230000003204 osmotic effect Effects 0.000 description 6
235000015203 fruit juice Nutrition 0.000 description 5
235000000346 sugar Nutrition 0.000 description 5
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
239000012527 feed solution Substances 0.000 description 4
239000004033 plastic Substances 0.000 description 4
239000012465 retentate Substances 0.000 description 4
241000894006 Bacteria Species 0.000 description 3
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
239000002253 acid Substances 0.000 description 3
230000002378 acidificating effect Effects 0.000 description 3
239000012267 brine Substances 0.000 description 3
HIZMBMVNMBMUEE-UHFFFAOYSA-N cyclohexane-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1CC(C(Cl)=O)CC(C(Cl)=O)C1 HIZMBMVNMBMUEE-UHFFFAOYSA-N 0.000 description 3
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
239000002904 solvent Substances 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 2
238000005266 casting Methods 0.000 description 2
150000001805 chlorine compounds Chemical class 0.000 description 2
150000004985 diamines Chemical group 0.000 description 2
239000000835 fiber Substances 0.000 description 2
239000000796 flavoring agent Substances 0.000 description 2
235000019634 flavors Nutrition 0.000 description 2
235000013305 food Nutrition 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
229920002492 poly(sulfone) Polymers 0.000 description 2
229920000642 polymer Polymers 0.000 description 2
238000010791 quenching Methods 0.000 description 2
230000000171 quenching effect Effects 0.000 description 2
238000004064 recycling Methods 0.000 description 2
239000012266 salt solution Substances 0.000 description 2
238000002791 soaking Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
125000000542 sulfonic acid group Chemical group 0.000 description 2
238000000108 ultra-filtration Methods 0.000 description 2
JVMSQRAXNZPDHF-UHFFFAOYSA-N 2,4-diaminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C(N)=C1 JVMSQRAXNZPDHF-UHFFFAOYSA-N 0.000 description 1
238000012695 Interfacial polymerization Methods 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
150000001263 acyl chlorides Chemical class 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000010612 desalination reaction Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
238000005374 membrane filtration Methods 0.000 description 1
238000001471 micro-filtration Methods 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
235000015205 orange juice Nutrition 0.000 description 1
239000011148 porous material Substances 0.000 description 1
239000012286 potassium permanganate Substances 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000013102 re-test Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
150000008163 sugars Chemical class 0.000 description 1
239000010409 thin film Substances 0.000 description 1
230000036962 time dependent Effects 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Chemical Kinetics & Catalysis (AREA)
Separation Using Semi-Permeable Membranes (AREA)

IL9409190A 1989-06-07 1990-04-17 A process for increasing the passage of salts in polyamide ambiguous osmosis membranes IL94091A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/362,701 US4938872A (en)	1989-06-07	1989-06-07	Treatment for reverse osmosis membranes

Publications (2)

Publication Number	Publication Date
IL94091A0 IL94091A0 (en)	1991-01-31
IL94091A true IL94091A (en)	1994-10-21

Family

ID=23427178

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL9409190A IL94091A (en)	1989-06-07	1990-04-17	A process for increasing the passage of salts in polyamide ambiguous osmosis membranes

Country Status (11)

Country	Link
US (1)	US4938872A (de)
EP (1)	EP0401964B1 (de)
JP (1)	JPH0312227A (de)
CN (1)	CN1028610C (de)
AU (1)	AU620238B2 (de)
BR (1)	BR9001810A (de)
CA (1)	CA2014614A1 (de)
DE (1)	DE69007340T2 (de)
DK (1)	DK0401964T3 (de)
ES (1)	ES2062348T3 (de)
IL (1)	IL94091A (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5112491A (en) *	1991-03-01	1992-05-12	E. I. Du Pont De Nemours And Company	Management of waste solution containing photoresist materials
JP3412637B2 (ja) *	1992-11-19	2003-06-03	日本エクスラン工業株式会社	ロダン塩の回収方法
US5262054A (en) *	1992-12-30	1993-11-16	E. I. Du Pont De Nemours And Company	Process for opening reverse osmosis membranes
KR100460011B1 (ko) *	1998-02-17	2005-04-06	주식회사 새 한	폴리아미드계 역삼투 분리막의 후처리 공정
KR100460012B1 (ko) *	1998-09-12	2005-04-06	주식회사 새 한	역삼투 분리막 및 역삼투 분리막 모듈의 보존 처리방법
JP2003080042A (ja) *	2001-09-10	2003-03-18	Nitto Denko Corp	複合半透膜及びその製造方法
JP4656502B2 (ja) *	2004-10-01	2011-03-23	日東電工株式会社	複合半透膜及びその製造方法
JP4656503B2 (ja) *	2004-10-01	2011-03-23	日東電工株式会社	複合半透膜及びその製造方法
JP2006102594A (ja) *	2004-10-01	2006-04-20	Nitto Denko Corp	複合半透膜の製造方法
JP4656511B2 (ja) *	2004-10-04	2011-03-23	日東電工株式会社	複合逆浸透膜の製造方法
KR100716210B1 (ko) *	2005-09-20	2007-05-10	웅진코웨이주식회사	폴리아미드 역삼투 복합막 제조방법 및 이로부터 제조된폴리아미드 역삼투 복합막
CN100478056C (zh) *	2006-08-25	2009-04-15	贵阳时代汇通膜科技有限公司	耐氧化复合反渗透膜
JP2008093544A (ja) *	2006-10-10	2008-04-24	Nitto Denko Corp	複合半透膜及びその製造方法
JP4936438B2 (ja) *	2006-10-10	2012-05-23	日東電工株式会社	乾燥複合半透膜の製造方法
DE102006060204A1 (de) *	2006-12-18	2008-06-19	Krones Ag	Verfahren zur Reinigung einer Anlage
JP2008246419A (ja) *	2007-03-30	2008-10-16	Nitto Denko Corp	複合半透膜の製造方法
CN112892249A (zh) *	2019-12-04	2021-06-04	时代沃顿科技有限公司	聚酰胺反渗透膜及其制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3911080A (en) *	1971-09-10	1975-10-07	Wright H Dudley	Air pollution control
US4830885A (en) *	1987-06-08	1989-05-16	Allied-Signal Inc.	Chlorine-resistant semipermeable membranes

1989
- 1989-06-07 US US07/362,701 patent/US4938872A/en not_active Expired - Lifetime
1990
- 1990-04-12 DK DK90304048.3T patent/DK0401964T3/da active
- 1990-04-12 EP EP90304048A patent/EP0401964B1/de not_active Expired - Lifetime
- 1990-04-12 DE DE69007340T patent/DE69007340T2/de not_active Expired - Fee Related
- 1990-04-12 CA CA002014614A patent/CA2014614A1/en not_active Abandoned
- 1990-04-12 ES ES90304048T patent/ES2062348T3/es not_active Expired - Lifetime
- 1990-04-16 JP JP2100176A patent/JPH0312227A/ja active Pending
- 1990-04-17 IL IL9409190A patent/IL94091A/en not_active IP Right Cessation
- 1990-04-17 CN CN90103937.3A patent/CN1028610C/zh not_active Expired - Fee Related
- 1990-04-18 AU AU53600/90A patent/AU620238B2/en not_active Ceased
- 1990-04-18 BR BR909001810A patent/BR9001810A/pt not_active Application Discontinuation

Also Published As

Publication number	Publication date
CA2014614A1 (en)	1990-12-07
CN1047812A (zh)	1990-12-19
ES2062348T3 (es)	1994-12-16
EP0401964B1 (de)	1994-03-16
DK0401964T3 (da)	1994-04-05
EP0401964A2 (de)	1990-12-12
BR9001810A (pt)	1991-06-11
DE69007340D1 (de)	1994-04-21
US4938872A (en)	1990-07-03
IL94091A0 (en)	1991-01-31
JPH0312227A (ja)	1991-01-21
AU620238B2 (en)	1992-02-13
DE69007340T2 (de)	1994-09-29
AU5360090A (en)	1990-12-13
CN1028610C (zh)	1995-05-31
EP0401964A3 (de)	1991-10-16

Legal Events

Date	Code	Title	Description
1996-07-23	KB	Patent renewed
2001-06-14	RH	Patent void

Publication	Publication Date	Title
US4938872A (en)	1990-07-03	Treatment for reverse osmosis membranes
US5262054A (en)	1993-11-16	Process for opening reverse osmosis membranes
EP0117919B1 (de)	1989-08-23	Verfahren zur Behandlung semipermeabler Membranen
DE69111531T2 (de)	1996-02-15	Umkehrosmose-Membranen aus Polyamidurethan.
IL32884A (en)	1972-11-28	Permselective membranes of an aromatic nitrogen containing polymeric material,their preparation and process and apparatus using them
Jaafer et al.	2020	Poly (phenyl sulfone) hollow fiber forward osmosis membrane for saline water desalination
US3841492A (en)	1974-10-15	Production of semipermeable polybenzimidazole membranes
CA2022612A1 (en)	1991-06-14	Treated composite polyamide membranes to separate concentrated solute
KR20170090816A (ko)	2017-08-08	폴리아미드 계면중합용 조성물, 이를 이용한 수처리 분리막의 제조방법 및 수처리 분리막 및 수처리 모듈
Wang et al.	1998	Formation and characterization of chitosan formed‐in‐place ultrafiltration membranes
US20040007529A1 (en)	2004-01-15	Method for modifying membrane rejection characteristics
KR20180036295A (ko)	2018-04-09	수처리 분리막의 제조방법, 이를 이용하여 제조된 수처리 분리막, 및 수처리 분리막 제조용 조성물
CA2124561A1 (en)	1993-06-10	Purification of crude ioversol using reverse osmosis
KR20170047114A (ko)	2017-05-04	수처리 분리막의 제조방법 및 이에 의하여 제조된 수처리 분리막 및 수처리 분리막을 포함하는 수처리 모듈
Lonsdale	1986	Reverse osmosis
US20210146312A1 (en)	2021-05-20	Process for cleaning a membrane comprising drying the membrane
KR102157929B1 (ko)	2020-09-18	수처리 모듈의 제조방법 및 이에 의하여 제조된 수처리 모듈
Ahmed	2010	Preparation and Characterization of Hollow Fiber Nanofiltration Membranes
Wang et al.	1996	Preparations and properties of sodium alginate formed‐in‐place membranes
US20240091714A1 (en)	2024-03-21	Strong Hollow-Fiber Membranes for Saline Desalination and Water Treatment
JPH10235173A (ja)	1998-09-08	複合半透膜及びその製造方法
US20240293775A1 (en)	2024-09-05	Membranes with Controlled Porosity for Serial Filtration
Cai et al.	2022	Hollow Fibers for Reverse Osmosis and Nanofiltration
EP4631608A1 (de)	2025-10-15	Verfahren zur regenerierung einer semipermeablen membran
WO2025249563A1 (ja)	2025-12-04	複合半透膜及び原料液濃縮方法