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 membranesInfo
- Publication number
- IL94091A IL94091A IL9409190A IL9409190A IL94091A IL 94091 A IL94091 A IL 94091A IL 9409190 A IL9409190 A IL 9409190A IL 9409190 A IL9409190 A IL 9409190A IL 94091 A IL94091 A IL 94091A
- Authority
- IL
- Israel
- Prior art keywords
- membrane
- alkali metal
- solution
- permanganate
- reverse osmosis
- Prior art date
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)
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)
| 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)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| KB | Patent renewed | ||
| RH | Patent void |