DE2207656A1 - Verfahren zur Herstellung halbdurchlässiger Membranen - Google Patents
Verfahren zur Herstellung halbdurchlässiger MembranenInfo
- Publication number
- DE2207656A1 DE2207656A1 DE19722207656 DE2207656A DE2207656A1 DE 2207656 A1 DE2207656 A1 DE 2207656A1 DE 19722207656 DE19722207656 DE 19722207656 DE 2207656 A DE2207656 A DE 2207656A DE 2207656 A1 DE2207656 A1 DE 2207656A1
- Authority
- DE
- Germany
- Prior art keywords
- film
- water
- minutes
- temperature
- membrane
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 title claims description 80
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 238000005266 casting Methods 0.000 claims description 41
- 229920001577 copolymer Polymers 0.000 claims description 31
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 28
- 239000002904 solvent Substances 0.000 claims description 23
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 22
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 18
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 14
- 229920002301 cellulose acetate Polymers 0.000 claims description 12
- 229920006163 vinyl copolymer Polymers 0.000 claims description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 11
- 230000008020 evaporation Effects 0.000 claims description 9
- 239000000178 monomer Substances 0.000 claims description 8
- 239000002798 polar solvent Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- -1 dimethyl azetamide Chemical compound 0.000 claims 1
- VYMDGNCVAMGZFE-UHFFFAOYSA-N phenylbutazonum Chemical compound O=C1C(CCCC)C(=O)N(C=2C=CC=CC=2)N1C1=CC=CC=C1 VYMDGNCVAMGZFE-UHFFFAOYSA-N 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 26
- 230000029142 excretion Effects 0.000 description 21
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- 239000002253 acid Substances 0.000 description 18
- 150000001875 compounds Chemical class 0.000 description 17
- 150000003839 salts Chemical class 0.000 description 12
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 239000005862 Whey Substances 0.000 description 9
- 102000007544 Whey Proteins Human genes 0.000 description 9
- 108010046377 Whey Proteins Proteins 0.000 description 9
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 9
- 229910052753 mercury Inorganic materials 0.000 description 9
- 102000004169 proteins and genes Human genes 0.000 description 9
- 108090000623 proteins and genes Proteins 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 7
- 239000008101 lactose Substances 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- UPYXKEAOXBAIFT-UHFFFAOYSA-N 3,4-dimethylazete-2-carboxamide Chemical compound CC1=C(C)C(C(N)=O)=N1 UPYXKEAOXBAIFT-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- JQXYBDVZAUEPDL-UHFFFAOYSA-N 2-methylidene-5-phenylpent-4-enoic acid Chemical compound OC(=O)C(=C)CC=CC1=CC=CC=C1 JQXYBDVZAUEPDL-UHFFFAOYSA-N 0.000 description 1
- RWHRFHQRVDUPIK-UHFFFAOYSA-N 50867-57-7 Chemical compound CC(=C)C(O)=O.CC(=C)C(O)=O RWHRFHQRVDUPIK-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- OKBPCTLSPGDQBO-UHFFFAOYSA-L disodium;dichloride Chemical compound [Na+].[Na+].[Cl-].[Cl-] OKBPCTLSPGDQBO-UHFFFAOYSA-L 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 229940117841 methacrylic acid copolymer Drugs 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 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
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/00091—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching by evaporation
-
- 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
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/02—Hydrophilization
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB489771A GB1396091A (en) | 1971-02-18 | 1971-02-18 | Semi-permeable membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2207656A1 true DE2207656A1 (de) | 1972-09-07 |
Family
ID=9785936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722207656 Pending DE2207656A1 (de) | 1971-02-18 | 1972-02-18 | Verfahren zur Herstellung halbdurchlässiger Membranen |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH577837A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2207656A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2125586B1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1396091A (cg-RX-API-DMAC7.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1047997B (it) * | 1975-09-11 | 1980-10-20 | Fiat Spa | Membrana per osmosi inversa e procedimento per la sua fabbricazione |
| JPS5938805B2 (ja) * | 1979-04-06 | 1984-09-19 | ダイセル化学工業株式会社 | 選択透過性を有する半透膜の製法 |
| GB2130069A (en) * | 1982-08-06 | 1984-05-31 | Foremost Mckesson | Whey treatment process and product |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1060357B (de) * | 1958-10-15 | 1959-07-02 | Dr Alexander Goetz | Verfahren und Vorrichtung zur Herstellung von mikroporoesen Filterfilmen |
| CH407949A (de) * | 1960-03-16 | 1966-02-28 | Membranfiltergesellschaft Gmbh | Verfahren und Vorrichtung zur Herstellung von Membranfiltern |
| US3344214A (en) * | 1964-03-25 | 1967-09-26 | Univ California | Methods of preparing a semipermeable membrane |
| GB1238180A (cg-RX-API-DMAC7.html) * | 1967-09-21 | 1971-07-07 | ||
| US3666508A (en) * | 1968-05-22 | 1972-05-30 | Univ California | High flux semipermeable cellulosic derivative membranes with dry handling capabilities and their method of preparation |
| NL171534C (nl) * | 1970-06-16 | 1983-04-18 | Monsanto Co | Werkwijze voor het afscheiden van water uit mengsels die water en formaldehyd bevatten. |
| NL170374C (nl) * | 1970-06-16 | 1982-11-01 | Monsanto Co | Werkwijze voor het afscheiden van water uit mengsels van water en formaldehyd. |
| FR2105502A5 (cg-RX-API-DMAC7.html) * | 1970-09-09 | 1972-04-28 | Rhone Poulenc Sa |
-
1971
- 1971-02-18 GB GB489771A patent/GB1396091A/en not_active Expired
-
1972
- 1972-02-18 FR FR7205500A patent/FR2125586B1/fr not_active Expired
- 1972-02-18 DE DE19722207656 patent/DE2207656A1/de active Pending
- 1972-02-18 CH CH233672A patent/CH577837A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2125586B1 (cg-RX-API-DMAC7.html) | 1977-09-02 |
| GB1396091A (en) | 1975-05-29 |
| CH577837A5 (cg-RX-API-DMAC7.html) | 1976-07-30 |
| FR2125586A1 (cg-RX-API-DMAC7.html) | 1972-09-29 |
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