GB1305385A - - Google Patents
Info
- Publication number
- GB1305385A GB1305385A GB1654669A GB1305385DA GB1305385A GB 1305385 A GB1305385 A GB 1305385A GB 1654669 A GB1654669 A GB 1654669A GB 1305385D A GB1305385D A GB 1305385DA GB 1305385 A GB1305385 A GB 1305385A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose acetate
- membrane
- membranes
- cast
- tetrahydrofuran
- 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 abstract 8
- 229920002301 cellulose acetate Polymers 0.000 abstract 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract 4
- 238000001223 reverse osmosis Methods 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract 2
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 238000000151 deposition Methods 0.000 abstract 1
- 238000010612 desalination reaction Methods 0.000 abstract 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01D71/08—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
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/027—Nonporous membranes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1654669 | 1969-03-28 | ||
| FR7045051A FR2118225A5 (enExample) | 1969-03-28 | 1970-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1305385A true GB1305385A (enExample) | 1973-01-31 |
Family
ID=26216103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1654669A Expired GB1305385A (enExample) | 1969-03-28 | 1969-03-28 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2118225A5 (enExample) |
| GB (1) | GB1305385A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432892A (zh) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | 一种渗透汽化膜的制备方法 |
-
1969
- 1969-03-28 GB GB1654669A patent/GB1305385A/en not_active Expired
-
1970
- 1970-12-14 FR FR7045051A patent/FR2118225A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432892A (zh) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | 一种渗透汽化膜的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2118225A5 (enExample) | 1972-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |