JPS4874480A - - Google Patents
Info
- Publication number
- JPS4874480A JPS4874480A JP48004905A JP490573A JPS4874480A JP S4874480 A JPS4874480 A JP S4874480A JP 48004905 A JP48004905 A JP 48004905A JP 490573 A JP490573 A JP 490573A JP S4874480 A JPS4874480 A JP S4874480A
- Authority
- JP
- Japan
- 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
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
- 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
- B01D67/0016—Coagulation
- B01D67/00165—Composition of the coagulation baths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
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- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00215811A US3824299A (en) | 1972-01-06 | 1972-01-06 | Simplified process for manufacturing cellulose acetate reverse osmosis membranes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4874480A true JPS4874480A (ja) | 1973-10-06 |
JPS5615929B2 JPS5615929B2 (ja) | 1981-04-13 |
Family
ID=22804499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP490573A Expired JPS5615929B2 (ja) | 1972-01-06 | 1973-01-06 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3824299A (ja) |
JP (1) | JPS5615929B2 (ja) |
CA (1) | CA994973A (ja) |
DE (1) | DE2300498C3 (ja) |
FR (1) | FR2166352B1 (ja) |
GB (1) | GB1420123A (ja) |
IL (1) | IL41165A (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4920969A (en) * | 1985-10-08 | 1990-05-01 | Capintec, Inc. | Ambulatory physiological evaluation system including cardiac monitoring |
US4990248A (en) * | 1987-06-03 | 1991-02-05 | Eastman Kodak Company | Reverse osmosis apparatus |
WO2001005692A1 (en) * | 1999-07-16 | 2001-01-25 | Taylors Engineering (Blenheim) Limited | Apparatus for emptying receptacle |
EP2385962B1 (en) * | 2009-01-06 | 2015-09-02 | Dow Global Technologies LLC | Metal stabilizers for epoxy resins and advancement process |
CN116617865A (zh) * | 2023-07-04 | 2023-08-22 | 江苏科闻环保科技有限公司 | 一种大通量抗氧化反渗透膜制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE357267A (ja) * | ||||
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 |
-
1972
- 1972-01-06 US US00215811A patent/US3824299A/en not_active Expired - Lifetime
- 1972-10-20 FR FR7237189A patent/FR2166352B1/fr not_active Expired
- 1972-12-04 CA CA157,931A patent/CA994973A/en not_active Expired
- 1972-12-25 IL IL41165A patent/IL41165A/xx unknown
-
1973
- 1973-01-05 GB GB69673A patent/GB1420123A/en not_active Expired
- 1973-01-05 DE DE2300498A patent/DE2300498C3/de not_active Expired
- 1973-01-06 JP JP490573A patent/JPS5615929B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5615929B2 (ja) | 1981-04-13 |
CA994973A (en) | 1976-08-17 |
IL41165A0 (en) | 1973-02-28 |
DE2300498A1 (de) | 1973-07-12 |
FR2166352A1 (ja) | 1973-08-17 |
GB1420123A (en) | 1976-01-07 |
DE2300498C3 (de) | 1982-04-01 |
US3824299A (en) | 1974-07-16 |
DE2300498B2 (de) | 1981-04-23 |
FR2166352B1 (ja) | 1976-08-20 |
IL41165A (en) | 1975-08-31 |