JPS6244018B2 - - Google Patents
Info
- Publication number
- JPS6244018B2 JPS6244018B2 JP56187798A JP18779881A JPS6244018B2 JP S6244018 B2 JPS6244018 B2 JP S6244018B2 JP 56187798 A JP56187798 A JP 56187798A JP 18779881 A JP18779881 A JP 18779881A JP S6244018 B2 JPS6244018 B2 JP S6244018B2
- Authority
- JP
- Japan
- Prior art keywords
- porous membrane
- cellulose
- plane
- membrane
- porosity
- 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 claims description 102
- 239000011148 porous material Substances 0.000 claims description 66
- 229920002678 cellulose Polymers 0.000 claims description 30
- 239000001913 cellulose Substances 0.000 claims description 30
- 239000013078 crystal Substances 0.000 claims description 26
- 239000004627 regenerated cellulose Substances 0.000 claims description 18
- 239000013081 microcrystal Substances 0.000 claims description 6
- -1 cellulose-2 Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 238000000034 method Methods 0.000 description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- 239000012510 hollow fiber Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 239000004115 Sodium Silicate Substances 0.000 description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
- 229910052911 sodium silicate Inorganic materials 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000011001 backwashing Methods 0.000 description 4
- 238000005315 distribution function Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000000635 electron micrograph Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 108010067035 Pancrelipase Proteins 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 description 1
- 238000003977 dairy farming Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18779881A JPS5889628A (ja) | 1981-11-25 | 1981-11-25 | åçã»ã«ãâã¹å€åè |
US06/443,074 US4581140A (en) | 1981-11-25 | 1982-11-19 | Porous regenerated cellulose membrane and process for the preparation thereof |
EP82110793A EP0080206B1 (en) | 1981-11-25 | 1982-11-23 | Porous regenerated cellulose membrane and process for the preparation thereof |
DE8282110793T DE3267317D1 (en) | 1981-11-25 | 1982-11-23 | Porous regenerated cellulose membrane and process for the preparation thereof |
CA000416225A CA1216110A (en) | 1981-11-25 | 1982-11-24 | Porous regenerated cellulose membrane and process for the preparation thereof |
DK523282A DK158707C (da) | 1981-11-25 | 1982-11-24 | Poroes membran af regenereret cellulose og fremgangsmaade til fremstilling deraf |
KR8205319A KR880000511B1 (ko) | 1981-11-25 | 1982-11-25 | ë€ê³µì± ì¬ì ì 룰ë¡ì€ì€ ë§ ë° ê·ž ì ì¡° ë°©ë² |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18779881A JPS5889628A (ja) | 1981-11-25 | 1981-11-25 | åçã»ã«ãâã¹å€åè |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5889628A JPS5889628A (ja) | 1983-05-28 |
JPS6244018B2 true JPS6244018B2 (ja) | 1987-09-17 |
Family
ID=16212412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18779881A Granted JPS5889628A (ja) | 1981-11-25 | 1981-11-25 | åçã»ã«ãâã¹å€åè |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5889628A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009095701A (ja) * | 2007-10-15 | 2009-05-07 | Seiichi Manabe | å€æ®µç©å€å±€å¹³è |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61274707A (ja) * | 1985-05-31 | 1986-12-04 | Asahi Chem Ind Co Ltd | 埮çç©åé¢çšåçã»ã«ãâã¹å€åè |
JPWO2009060836A1 (ja) * | 2007-11-05 | 2011-03-24 | æåæãããæ ªåŒäŒç€Ÿ | ã»ã«ããŒã¹ç³»å€åè |
JP2012071250A (ja) * | 2010-09-28 | 2012-04-12 | Sepa Sigma Inc | åçã»ã«ããŒã¹å€å±€æ§é å¹³èã®è£œæ³ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49134920A (ja) * | 1973-05-09 | 1974-12-25 | ||
JPS5040168A (ja) * | 1973-08-01 | 1975-04-12 | ||
JPS551363A (en) * | 1978-06-20 | 1980-01-08 | Murata Mach Ltd | Feed roll device of double twister |
-
1981
- 1981-11-25 JP JP18779881A patent/JPS5889628A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49134920A (ja) * | 1973-05-09 | 1974-12-25 | ||
JPS5040168A (ja) * | 1973-08-01 | 1975-04-12 | ||
JPS551363A (en) * | 1978-06-20 | 1980-01-08 | Murata Mach Ltd | Feed roll device of double twister |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009095701A (ja) * | 2007-10-15 | 2009-05-07 | Seiichi Manabe | å€æ®µç©å€å±€å¹³è |
Also Published As
Publication number | Publication date |
---|---|
JPS5889628A (ja) | 1983-05-28 |
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