FR1602378A - Reverse osmosis polyamide membranes - Google Patents
Reverse osmosis polyamide membranesInfo
- Publication number
- FR1602378A FR1602378A FR1602378DA FR1602378A FR 1602378 A FR1602378 A FR 1602378A FR 1602378D A FR1602378D A FR 1602378DA FR 1602378 A FR1602378 A FR 1602378A
- Authority
- FR
- France
- Prior art keywords
- membrane
- treating agent
- pref
- treating
- solvent
- 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.)
- Expired
Links
- 239000012528 membrane Substances 0.000 title abstract 9
- 239000004952 Polyamide Substances 0.000 title abstract 3
- 229920002647 polyamide Polymers 0.000 title abstract 3
- 238000001223 reverse osmosis Methods 0.000 title abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 abstract 2
- ILAHWRKJUDSMFH-UHFFFAOYSA-N boron tribromide Chemical compound BrB(Br)Br ILAHWRKJUDSMFH-UHFFFAOYSA-N 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- 229910015845 BBr3 Inorganic materials 0.000 abstract 1
- 229910015844 BCl3 Inorganic materials 0.000 abstract 1
- 229910015900 BF3 Inorganic materials 0.000 abstract 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 1
- 239000002841 Lewis acid Substances 0.000 abstract 1
- 229920002302 Nylon 6,6 Polymers 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- PQLAYKMGZDUDLQ-UHFFFAOYSA-K aluminium bromide Chemical compound Br[Al](Br)Br PQLAYKMGZDUDLQ-UHFFFAOYSA-K 0.000 abstract 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- 235000011148 calcium chloride Nutrition 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 235000019253 formic acid Nutrition 0.000 abstract 1
- 239000012442 inert solvent Substances 0.000 abstract 1
- 150000007517 lewis acids Chemical class 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 230000002535 lyotropic effect Effects 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 abstract 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67442567A | 1967-10-11 | 1967-10-11 | |
| DE19681801651 DE1801651B2 (de) | 1967-10-11 | 1968-10-07 | Hyperfiltrationsmembran, verfahren zu ihrer herstellung und ihre verwendung zum zerlegen von fluessigen gemischen |
| NL6816328A NL6816328A (xx) | 1967-10-11 | 1968-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1602378A true FR1602378A (en) | 1970-11-16 |
Family
ID=27181523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1602378D Expired FR1602378A (en) | 1967-10-11 | 1968-10-11 | Reverse osmosis polyamide membranes |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1801651B2 (xx) |
| FR (1) | FR1602378A (xx) |
| GB (1) | GB1177748A (xx) |
| NL (1) | NL6816328A (xx) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2166113A1 (xx) * | 1971-12-30 | 1973-08-10 | Du Pont | |
| JPS5035032B1 (xx) * | 1970-12-26 | 1975-11-13 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4263053A (en) * | 1979-04-23 | 1981-04-21 | Mckinnon Jr Charles N | Method for cleaning and drying hollow fibers |
| CN111603947B (zh) * | 2020-05-21 | 2023-08-01 | 杭州科百特科技有限公司 | 一种带支撑的尼龙膜及其制备方法和应用 |
| CN111603949B (zh) * | 2020-05-21 | 2023-06-30 | 杭州科百特科技有限公司 | 一种尼龙膜及其制备方法和应用 |
| CN112981413B (zh) * | 2021-02-22 | 2022-06-17 | 沧州进展化工有限公司 | 一种氯化钙专用缓蚀剂 |
| CN113019142A (zh) * | 2021-04-02 | 2021-06-25 | 河北工业大学 | 一种聚酰胺复合纳滤膜的后处理改性方法 |
-
1968
- 1968-10-07 DE DE19681801651 patent/DE1801651B2/de active Pending
- 1968-10-09 GB GB47776/68A patent/GB1177748A/en not_active Expired
- 1968-10-11 FR FR1602378D patent/FR1602378A/fr not_active Expired
- 1968-11-15 NL NL6816328A patent/NL6816328A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5035032B1 (xx) * | 1970-12-26 | 1975-11-13 | ||
| FR2166113A1 (xx) * | 1971-12-30 | 1973-08-10 | Du Pont |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1177748A (en) | 1970-01-14 |
| DE1801651A1 (de) | 1970-10-01 |
| NL6816328A (xx) | 1970-05-20 |
| DE1801651B2 (de) | 1972-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |