FR2148624A1 - Semipermeable membrane - consisting of two layers of polymer material with different retention rates for dissolved solids - Google Patents
Semipermeable membrane - consisting of two layers of polymer material with different retention rates for dissolved solidsInfo
- Publication number
- FR2148624A1 FR2148624A1 FR7229092A FR7229092A FR2148624A1 FR 2148624 A1 FR2148624 A1 FR 2148624A1 FR 7229092 A FR7229092 A FR 7229092A FR 7229092 A FR7229092 A FR 7229092A FR 2148624 A1 FR2148624 A1 FR 2148624A1
- Authority
- FR
- France
- Prior art keywords
- membrane
- layers
- flow rate
- semipermeable membrane
- polymer material
- 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.)
- Withdrawn
Links
- 239000012528 membrane Substances 0.000 title abstract 6
- 230000014759 maintenance of location Effects 0.000 title abstract 3
- 239000002861 polymer material Substances 0.000 title 1
- 239000007787 solid Substances 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 238000001223 reverse osmosis Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000013535 sea water Substances 0.000 abstract 1
- 239000000126 substance 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
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
- B01D69/1411—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing dispersed material in a continuous matrix
-
- 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)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT27424/71A IT1012016B (it) | 1971-08-11 | 1971-08-11 | Metodo per la preparazione di mem brane iperfiltranti in particolare per la dissalazione delle acque salmastre e marine e membrane pro dotte secondo tale metodo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2148624A1 true FR2148624A1 (en) | 1973-03-23 |
Family
ID=11221612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7229092A Withdrawn FR2148624A1 (en) | 1971-08-11 | 1972-08-11 | Semipermeable membrane - consisting of two layers of polymer material with different retention rates for dissolved solids |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4831183A (fr) |
| BE (1) | BE787345A (fr) |
| DE (1) | DE2239604A1 (fr) |
| ES (1) | ES405734A1 (fr) |
| FR (1) | FR2148624A1 (fr) |
| IT (1) | IT1012016B (fr) |
| NL (1) | NL7210933A (fr) |
-
0
- BE BE787345D patent/BE787345A/fr unknown
-
1971
- 1971-08-11 IT IT27424/71A patent/IT1012016B/it active
-
1972
- 1972-08-10 NL NL7210933A patent/NL7210933A/xx unknown
- 1972-08-10 ES ES405734A patent/ES405734A1/es not_active Expired
- 1972-08-11 JP JP47080068A patent/JPS4831183A/ja active Pending
- 1972-08-11 DE DE2239604A patent/DE2239604A1/de active Pending
- 1972-08-11 FR FR7229092A patent/FR2148624A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BE787345A (fr) | 1973-02-09 |
| ES405734A1 (es) | 1975-09-16 |
| JPS4831183A (fr) | 1973-04-24 |
| DE2239604A1 (de) | 1973-02-22 |
| IT1012016B (it) | 1977-03-10 |
| NL7210933A (fr) | 1973-02-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |