IL41210A - Polymeric membranes for reverse osmosis and their preparation - Google Patents
Polymeric membranes for reverse osmosis and their preparationInfo
- Publication number
- IL41210A IL41210A IL41210A IL4121072A IL41210A IL 41210 A IL41210 A IL 41210A IL 41210 A IL41210 A IL 41210A IL 4121072 A IL4121072 A IL 4121072A IL 41210 A IL41210 A IL 41210A
- Authority
- IL
- Israel
- Prior art keywords
- membrane
- process according
- water
- polypiperazinamide
- solvent
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract 21
- 238000001223 reverse osmosis Methods 0.000 title claims abstract 7
- 238000002360 preparation method Methods 0.000 title claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract 6
- 230000001112 coagulating effect Effects 0.000 claims abstract 6
- 239000002904 solvent Substances 0.000 claims abstract 6
- 230000008020 evaporation Effects 0.000 claims abstract 5
- 238000001704 evaporation Methods 0.000 claims abstract 5
- 239000007788 liquid Substances 0.000 claims abstract 5
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims abstract 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical class [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract 3
- 238000007654 immersion Methods 0.000 claims abstract 3
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Inorganic materials [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract 3
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Inorganic materials [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims abstract 3
- 150000003839 salts Chemical class 0.000 claims abstract 3
- ZUQCLGSBFNCEDH-UHFFFAOYSA-N 2-methylpiperazine 1,2,5-oxadiazole-3-carboxamide Chemical compound O1N=C(C=N1)C(=O)N.CC1NCCNC1 ZUQCLGSBFNCEDH-UHFFFAOYSA-N 0.000 claims abstract 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims abstract 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims abstract 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000001110 calcium chloride Substances 0.000 claims abstract 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract 2
- 229960001760 dimethyl sulfoxide Drugs 0.000 claims abstract 2
- 229940113088 dimethylacetamide Drugs 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract 2
- 239000003960 organic solvent Substances 0.000 claims abstract 2
- 229910052760 oxygen Inorganic materials 0.000 claims abstract 2
- 239000001301 oxygen Substances 0.000 claims abstract 2
- 125000004193 piperazinyl group Chemical group 0.000 claims abstract 2
- 239000002798 polar solvent Substances 0.000 claims abstract 2
- 125000001424 substituent group Chemical group 0.000 claims abstract 2
- 235000005074 zinc chloride Nutrition 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims 16
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims 2
- MPCRDALPQLDDFX-UHFFFAOYSA-L Magnesium perchlorate Chemical compound [Mg+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O MPCRDALPQLDDFX-UHFFFAOYSA-L 0.000 claims 1
- -1 alkyl radical Chemical class 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- QUPDWYMUPZLYJZ-UHFFFAOYSA-N ethyl Chemical group C[CH2] QUPDWYMUPZLYJZ-UHFFFAOYSA-N 0.000 claims 1
- 229910001629 magnesium chloride Inorganic materials 0.000 claims 1
- 239000011592 zinc chloride Substances 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 abstract 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 235000011148 calcium chloride Nutrition 0.000 abstract 2
- NSMWYRLQHIXVAP-OLQVQODUSA-N (2r,5s)-2,5-dimethylpiperazine Chemical compound C[C@H]1CN[C@H](C)CN1 NSMWYRLQHIXVAP-OLQVQODUSA-N 0.000 abstract 1
- ZJVBVAIRRGZYPH-UHFFFAOYSA-N 2-methylpiperazine 1,2,5-oxadiazole-3-carbothioamide Chemical compound O1N=C(C=N1)C(=S)N.CC1NCCNC1 ZJVBVAIRRGZYPH-UHFFFAOYSA-N 0.000 abstract 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 101100533558 Mus musculus Sipa1 gene Proteins 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- YHWOVGBSXSMSGF-KNCHESJLSA-N O1N=C(C=N1)C(=O)N.C[C@@H]1NC[C@H](NC1)C Chemical compound O1N=C(C=N1)C(=O)N.C[C@@H]1NC[C@H](NC1)C YHWOVGBSXSMSGF-KNCHESJLSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 1
- 235000011147 magnesium chloride Nutrition 0.000 abstract 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract 1
- 235000019341 magnesium sulphate Nutrition 0.000 abstract 1
- NNNSKJSUQWKSAM-UHFFFAOYSA-L magnesium;dichlorate Chemical compound [Mg+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O NNNSKJSUQWKSAM-UHFFFAOYSA-L 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 235000015424 sodium Nutrition 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Classifications
-
- 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
-
- 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
-
- 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
- C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT33137/71A IT944578B (it) | 1971-12-30 | 1971-12-30 | Membrane polimeriche per osmosi inversa ad alto flusso d acqua ed elevata reiezione salina e metodo di preparazione di tali membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL41210A0 IL41210A0 (en) | 1973-02-28 |
| IL41210A true IL41210A (en) | 1976-08-31 |
Family
ID=11236670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL41210A IL41210A (en) | 1971-12-30 | 1972-12-29 | Polymeric membranes for reverse osmosis and their preparation |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5611484B2 (fr) |
| BE (1) | BE793504A (fr) |
| BR (1) | BR7209266D0 (fr) |
| CA (1) | CA1018315A (fr) |
| DE (1) | DE2263774C2 (fr) |
| EG (1) | EG10806A (fr) |
| ES (1) | ES410178A1 (fr) |
| FR (1) | FR2166115B1 (fr) |
| GB (1) | GB1391559A (fr) |
| IL (1) | IL41210A (fr) |
| IT (1) | IT944578B (fr) |
| NL (1) | NL175884C (fr) |
| ZA (1) | ZA729171B (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA74296B (en) * | 1973-01-16 | 1974-11-27 | Montedison Spa | Reverse osmosis anisotropic membranes with great water flow and strong saline rejection,based on polypiperazine amides,and process for preparing such membranes |
| DE3220376A1 (de) * | 1982-05-29 | 1983-12-01 | Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach | Membranfilter fuer mikrofiltration und verfahren zu seiner herstellung |
| IT1153101B (it) * | 1982-07-01 | 1987-01-14 | Montedison Spa | Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi |
| IT1222627B (it) * | 1987-09-09 | 1990-09-05 | Separem Spa | Procedimento per la preparazione di membrane per osmosi inversa e membrane ottenute con tale procedimento |
| 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 |
| US4837054A (en) * | 1987-10-14 | 1989-06-06 | Exxon Research And Engineering Company | Thin film composite membrane prepared by deposition from a solution |
| US4921611A (en) * | 1987-10-14 | 1990-05-01 | Schucker Robert C | Thin film composite membrane prepared by deposition from a solution |
| 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 |
| US5045354A (en) * | 1989-12-19 | 1991-09-03 | Exxon Research & Engineering Company | Production of supported thin film membranes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3696031A (en) * | 1969-07-08 | 1972-10-03 | Consiglio Nazionale Ricerche | Osmosis process |
| NL7009957A (fr) * | 1969-07-08 | 1971-01-12 |
-
0
- BE BE793504D patent/BE793504A/fr unknown
-
1971
- 1971-12-30 IT IT33137/71A patent/IT944578B/it active
-
1972
- 1972-12-27 NL NLAANVRAGE7217668,A patent/NL175884C/xx not_active IP Right Cessation
- 1972-12-27 EG EG545/72A patent/EG10806A/xx active
- 1972-12-28 FR FR7246566A patent/FR2166115B1/fr not_active Expired
- 1972-12-28 ZA ZA729171A patent/ZA729171B/xx unknown
- 1972-12-28 DE DE2263774A patent/DE2263774C2/de not_active Expired
- 1972-12-29 BR BR9266/72A patent/BR7209266D0/pt unknown
- 1972-12-29 JP JP438573A patent/JPS5611484B2/ja not_active Expired
- 1972-12-29 ES ES410178A patent/ES410178A1/es not_active Expired
- 1972-12-29 IL IL41210A patent/IL41210A/en unknown
-
1973
- 1973-01-01 GB GB5966272A patent/GB1391559A/en not_active Expired
- 1973-01-02 CA CA160,396A patent/CA1018315A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2166115B1 (fr) | 1976-04-23 |
| BE793504A (fr) | 1973-06-29 |
| NL175884B (nl) | 1984-08-16 |
| NL7217668A (fr) | 1973-07-03 |
| IL41210A0 (en) | 1973-02-28 |
| JPS4880481A (fr) | 1973-10-27 |
| FR2166115A1 (fr) | 1973-08-10 |
| DE2263774C2 (de) | 1982-04-01 |
| IT944578B (it) | 1973-04-20 |
| JPS5611484B2 (fr) | 1981-03-14 |
| ES410178A1 (es) | 1975-12-01 |
| DE2263774A1 (de) | 1973-07-12 |
| GB1391559A (en) | 1975-04-23 |
| ZA729171B (en) | 1973-09-26 |
| EG10806A (en) | 1976-09-30 |
| BR7209266D0 (pt) | 1973-09-25 |
| CA1018315A (en) | 1977-10-04 |
| NL175884C (nl) | 1985-01-16 |
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