CN109012188B - 一种高通量聚四氟乙烯复合纳滤膜的制备方法 - Google Patents
一种高通量聚四氟乙烯复合纳滤膜的制备方法 Download PDFInfo
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- CN109012188B CN109012188B CN201811047533.XA CN201811047533A CN109012188B CN 109012188 B CN109012188 B CN 109012188B CN 201811047533 A CN201811047533 A CN 201811047533A CN 109012188 B CN109012188 B CN 109012188B
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- nanofiltration membrane
- composite nanofiltration
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- 239000012528 membrane Substances 0.000 title claims abstract description 162
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 98
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 98
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 98
- 238000001728 nano-filtration Methods 0.000 title claims abstract description 89
- 239000002131 composite material Substances 0.000 title claims abstract description 79
- 238000002360 preparation method Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 238000001471 micro-filtration Methods 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 49
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 43
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 43
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 43
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims abstract description 34
- 238000004132 cross linking Methods 0.000 claims abstract description 28
- 238000001723 curing Methods 0.000 claims abstract description 26
- 239000008367 deionised water Substances 0.000 claims abstract description 23
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 23
- 238000005406 washing Methods 0.000 claims abstract description 23
- 238000012695 Interfacial polymerization Methods 0.000 claims abstract description 22
- 238000004321 preservation Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 172
- 239000000243 solution Substances 0.000 claims description 148
- 239000000377 silicon dioxide Substances 0.000 claims description 86
- 235000012239 silicon dioxide Nutrition 0.000 claims description 79
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 68
- 229920002125 Sokalan® Polymers 0.000 claims description 48
- 239000004584 polyacrylic acid Substances 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 44
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 42
- 239000012071 phase Substances 0.000 claims description 36
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims description 34
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 33
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 23
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 claims description 23
- 239000004202 carbamide Substances 0.000 claims description 23
- 239000000178 monomer Substances 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 22
- 239000003054 catalyst Substances 0.000 claims description 21
- MTEZSDOQASFMDI-UHFFFAOYSA-N 1-trimethoxysilylpropan-1-ol Chemical compound CCC(O)[Si](OC)(OC)OC MTEZSDOQASFMDI-UHFFFAOYSA-N 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 14
- 239000008346 aqueous phase Substances 0.000 claims description 11
- 230000007062 hydrolysis Effects 0.000 claims description 11
- 238000006460 hydrolysis reaction Methods 0.000 claims description 11
- 230000003301 hydrolyzing effect Effects 0.000 claims description 11
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 11
- 238000005245 sintering Methods 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract description 36
- 230000004907 flux Effects 0.000 abstract description 11
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010612 desalination reaction Methods 0.000 abstract 1
- 239000013535 sea water Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- 239000004952 Polyamide Substances 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 3
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229920002593 Polyethylene Glycol 800 Polymers 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Images
Classifications
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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
- B01D61/027—Nanofiltration
-
- 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
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/36—Polytetrafluoroethene
-
- 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
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/48—Antimicrobial properties
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Water Supply & Treatment (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
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CN201811047533.XA CN109012188B (zh) | 2018-09-09 | 2018-09-09 | 一种高通量聚四氟乙烯复合纳滤膜的制备方法 |
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CN109610165B (zh) * | 2018-10-12 | 2021-04-20 | 杭州创屹机电科技有限公司 | 一种抗菌光催化麻纤维的制备方法 |
CN110479119B (zh) * | 2019-07-29 | 2022-03-25 | 武汉纺织大学 | 一种聚酰胺复合反渗透膜的制备方法 |
CN111632499B (zh) * | 2020-06-14 | 2021-02-12 | 上海远钦净化科技有限公司 | 一种基于涤纶无纺布的高通量水体过滤膜的制备方法 |
CN111841502B (zh) * | 2020-07-10 | 2022-10-28 | 天津市武清区疾病预防控制中心 | 一种纤维素复合吸附材料及其制备方法和应用 |
CN112921667A (zh) * | 2021-01-27 | 2021-06-08 | 江苏戈友特种装备科技有限公司 | 一种海上训练武器装备用防护遮盖布料及制备方法 |
CN115322433A (zh) * | 2022-08-01 | 2022-11-11 | 浙江东大环境工程有限公司 | 一种聚四氟乙烯微孔膜及其长效亲水涂层的制备方法 |
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DE19900493A1 (de) * | 1999-01-08 | 2000-07-13 | Creavis Tech & Innovation Gmbh | Verfahren zur hydrophilen Beschichtung von Membranen |
CN102188916A (zh) * | 2010-03-01 | 2011-09-21 | 武少禹 | 一种控制聚酰胺复合膜活性层厚度的方法 |
WO2012137635A1 (ja) * | 2011-04-01 | 2012-10-11 | 東レ株式会社 | 複合半透膜、複合半透膜エレメントおよび複合半透膜の製造方法 |
CN102228808B (zh) * | 2011-04-20 | 2013-06-19 | 上海应用技术学院 | 一种聚对苯二甲酸乙二醇酯复合介孔膜及其制备方法和应用 |
KR101273334B1 (ko) * | 2011-07-13 | 2013-06-11 | 한남대학교 산학협력단 | 내염소성 및 내오염성 폴리아미드 역삼투 복합막 및 이의 제조방법 |
CN102350226B (zh) * | 2011-08-30 | 2014-02-26 | 南京工业大学 | 一种有机无机中空纤维复合膜的制备方法 |
CN102491343B (zh) * | 2011-11-22 | 2014-07-30 | 南京林业大学 | 一种制备纳米中空棒状二氧化硅材料的方法 |
US9533262B2 (en) * | 2013-03-14 | 2017-01-03 | Dow Global Technologies Llc | Composite polyamide membrane including dissolvable polymer coating |
JP2015181989A (ja) * | 2014-03-20 | 2015-10-22 | 日東電工株式会社 | カルボキシメチルセルロース複合分離膜の製造方法 |
CN103990385B (zh) * | 2014-05-20 | 2016-04-06 | 中国科学院宁波材料技术与工程研究所 | 一种新型聚酰胺复合分离膜的制备方法 |
CN106621836B (zh) * | 2016-12-22 | 2019-08-23 | 北京碧水源膜科技有限公司 | 一种用于一体式智能净水龙头的纳滤膜及其制备方法 |
CN106975371A (zh) * | 2017-04-14 | 2017-07-25 | 浙江大学 | 一种基于亲水改性的聚烯烃微孔基底的复合纳滤膜及其制备方法 |
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