FR2194551A1 - Hollow cellulose ester filaments prodn - for water purification by low pressu-re reverse osmosis - Google Patents
Hollow cellulose ester filaments prodn - for water purification by low pressu-re reverse osmosisInfo
- Publication number
- FR2194551A1 FR2194551A1 FR7328074A FR7328074A FR2194551A1 FR 2194551 A1 FR2194551 A1 FR 2194551A1 FR 7328074 A FR7328074 A FR 7328074A FR 7328074 A FR7328074 A FR 7328074A FR 2194551 A1 FR2194551 A1 FR 2194551A1
- Authority
- FR
- France
- Prior art keywords
- filaments
- reverse osmosis
- cellulose ester
- prodn
- water purification
- 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.)
- Granted
Links
- 229920002678 cellulose Polymers 0.000 title abstract 2
- 238000001223 reverse osmosis Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 abstract 1
- 239000002841 Lewis acid Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 230000001112 coagulating effect Effects 0.000 abstract 1
- 150000007517 lewis acids Chemical class 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- 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
- B01D69/08—Hollow fibre membranes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27698372A | 1972-08-01 | 1972-08-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2194551A1 true FR2194551A1 (en) | 1974-03-01 |
| FR2194551B3 FR2194551B3 (enrdf_load_stackoverflow) | 1976-07-16 |
Family
ID=23058956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7328074A Granted FR2194551A1 (en) | 1972-08-01 | 1973-07-31 | Hollow cellulose ester filaments prodn - for water purification by low pressu-re reverse osmosis |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4950289A (enrdf_load_stackoverflow) |
| DE (1) | DE2338786A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2194551A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2395060A1 (fr) * | 1977-06-20 | 1979-01-19 | Asahi Chemical Ind | Membranes en fibres creuses pour ultrafiltration et leur procede de preparation |
| EP0008536A1 (en) * | 1978-08-22 | 1980-03-05 | Mitsubishi Rayon Co., Ltd. | Process for manufacturing regenerated cellulose hollow fiber |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1141114A (en) | 1978-11-24 | 1983-02-15 | Masamichi Ishida | Regenerated cellulose hollow fiber and process for manufacturing same |
| US5181940A (en) * | 1991-08-01 | 1993-01-26 | Union Carbide Industrial Gases Technology Corporation | Hollow fiber membranes |
-
1973
- 1973-07-31 DE DE19732338786 patent/DE2338786A1/de active Pending
- 1973-07-31 FR FR7328074A patent/FR2194551A1/fr active Granted
- 1973-07-31 JP JP8552973A patent/JPS4950289A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2395060A1 (fr) * | 1977-06-20 | 1979-01-19 | Asahi Chemical Ind | Membranes en fibres creuses pour ultrafiltration et leur procede de preparation |
| EP0008536A1 (en) * | 1978-08-22 | 1980-03-05 | Mitsubishi Rayon Co., Ltd. | Process for manufacturing regenerated cellulose hollow fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2194551B3 (enrdf_load_stackoverflow) | 1976-07-16 |
| JPS4950289A (enrdf_load_stackoverflow) | 1974-05-15 |
| DE2338786A1 (de) | 1974-02-14 |
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