CN111992042A - 一种提高聚电解质纳滤膜水通量的方法 - Google Patents
一种提高聚电解质纳滤膜水通量的方法 Download PDFInfo
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- CN111992042A CN111992042A CN202010946318.4A CN202010946318A CN111992042A CN 111992042 A CN111992042 A CN 111992042A CN 202010946318 A CN202010946318 A CN 202010946318A CN 111992042 A CN111992042 A CN 111992042A
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- nanofiltration membrane
- polyelectrolyte
- water flux
- polyelectrolyte nanofiltration
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- 239000012528 membrane Substances 0.000 title claims abstract description 152
- 238000001728 nano-filtration Methods 0.000 title claims abstract description 121
- 229920000867 polyelectrolyte Polymers 0.000 title claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 230000004907 flux Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000001590 oxidative effect Effects 0.000 claims abstract description 37
- 238000002791 soaking Methods 0.000 claims abstract description 27
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 23
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 23
- QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical group ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 125000001841 imino group Chemical group [H]N=* 0.000 claims abstract description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims abstract description 9
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 claims abstract description 8
- 229960002218 sodium chlorite Drugs 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims description 11
- 238000001338 self-assembly Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 abstract description 18
- 238000007254 oxidation reaction Methods 0.000 abstract description 18
- -1 anion salt Chemical class 0.000 abstract description 6
- 239000000243 solution Substances 0.000 description 55
- 230000000694 effects Effects 0.000 description 20
- 238000010612 desalination reaction Methods 0.000 description 17
- 150000003839 salts Chemical class 0.000 description 16
- 238000000926 separation method Methods 0.000 description 15
- 238000003860 storage Methods 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229920002873 Polyethylenimine Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000012085 test solution Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 229960002796 polystyrene sulfonate Drugs 0.000 description 3
- 239000011970 polystyrene sulfonate Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229960002635 potassium citrate Drugs 0.000 description 2
- 239000001508 potassium citrate Substances 0.000 description 2
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 2
- 235000011082 potassium citrates Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 1
- 229920002518 Polyallylamine hydrochloride Polymers 0.000 description 1
- 150000004753 Schiff bases Chemical group 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
- 229920002125 Sokalan® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000447 polyanionic polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229940006186 sodium polystyrene sulfonate Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
实施例 | 基团种类 | 处理后的水通量/L/m<sup>2</sup>h | 处理后的脱盐率/% |
1 | 氨基和亚氨基基团 | 113 | 97 |
2 | 氨基盐酸盐基团 | 124 | 95 |
实施例 | 氧化性溶液 | 处理后的水通量/L/m<sup>2</sup>h | 处理后的脱盐率/% |
1 | 次氯酸钠溶液 | 113 | 97 |
3 | 亚氯酸钠溶液 | 98 | 95 |
4 | 双氧水溶液 | 89 | 96 |
实施例 | 氧化性溶液浓度/ppm | 处理后的水通量/L/m<sup>2</sup>h | 处理后的脱盐率/% |
1 | 600 | 113 | 97 |
5 | 200 | 33 | 95 |
6 | 300 | 106 | 97 |
7 | 1000 | 110 | 96 |
8 | 1200 | 115 | 89 |
实施例 | 避光保存 | 处理后的水通量/L/m<sup>2</sup>h | 处理后的脱盐率/% |
1 | 是 | 113 | 97 |
9 | 否 | 37 | 94 |
实施例 | 浸泡温度/℃ | 处理后的水通量/L/m<sup>2</sup>h | 处理后的脱盐率/% |
1 | 25 | 113 | 97 |
10 | 15 | 41 | 96 |
11 | 20 | 121 | 97 |
12 | 35 | 128 | 97 |
13 | 40 | 130 | 57 |
实施例 | 溶液pH值 | 处理后的水通量/L/m<sup>2</sup>h | 处理后的脱盐率/% |
1 | 4.5 | 116 | 97 |
14 | 1 | 123 | 76 |
15 | 3 | 118 | 95 |
16 | 6 | 105 | 96 |
17 | 7 | 39 | 95 |
实施例 | 避光保存时间/h | 处理后的水通量/L/m<sup>2</sup>h | 处理后的脱盐率/% |
1 | 4 | 113 | 97 |
18 | 0.5 | 32 | 95 |
19 | 1 | 97 | 97 |
20 | 7 | 117 | 96 |
21 | 9 | 121 | 87 |
Claims (6)
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CN202010946318.4A CN111992042B (zh) | 2020-09-10 | 2020-09-10 | 一种提高聚电解质纳滤膜水通量的方法 |
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CN202010946318.4A CN111992042B (zh) | 2020-09-10 | 2020-09-10 | 一种提高聚电解质纳滤膜水通量的方法 |
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Publication Number | Publication Date |
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CN111992042A true CN111992042A (zh) | 2020-11-27 |
CN111992042B CN111992042B (zh) | 2022-05-17 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113457466A (zh) * | 2021-07-14 | 2021-10-01 | 中国科学院宁波材料技术与工程研究所 | 一种氧化超支化聚乙烯亚胺纳滤膜、制备方法及应用 |
CN114259891A (zh) * | 2022-01-14 | 2022-04-01 | 广东溢达纺织有限公司 | 一种氧化石墨烯纳滤膜及其制备方法与应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103285741A (zh) * | 2013-05-20 | 2013-09-11 | 哈尔滨工业大学 | 一种耐溶剂复合纳滤膜的制备方法 |
CN108043236A (zh) * | 2017-12-20 | 2018-05-18 | 哈尔滨工业大学 | 一种新型陶瓷-聚酰胺复合纳滤膜及其制备方法 |
JP2020032358A (ja) * | 2018-08-29 | 2020-03-05 | 学校法人 中央大学 | ろ過膜、ろ過膜の製造方法及び表面処理剤 |
-
2020
- 2020-09-10 CN CN202010946318.4A patent/CN111992042B/zh active Active
Patent Citations (3)
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CN103285741A (zh) * | 2013-05-20 | 2013-09-11 | 哈尔滨工业大学 | 一种耐溶剂复合纳滤膜的制备方法 |
CN108043236A (zh) * | 2017-12-20 | 2018-05-18 | 哈尔滨工业大学 | 一种新型陶瓷-聚酰胺复合纳滤膜及其制备方法 |
JP2020032358A (ja) * | 2018-08-29 | 2020-03-05 | 学校法人 中央大学 | ろ過膜、ろ過膜の製造方法及び表面処理剤 |
Non-Patent Citations (3)
Title |
---|
TIMO LAAKSO等: "Effect of polycation structure on the fabrication of polyelectrolyte multilayer", 《SEPARATION AND PURIFICATION TECHNOLOGY》 * |
YONG-JIAN TANG等: "Novel high-flux thin film composite nanofiltration membranes fabricated by the NaClO pre-oxidation of the mixed diamine monomers of PIP and BHTTM in the aqueous phase solution", 《JOURNAL OF MEMBRANE SCIENCE》 * |
戎静等: "PVDF/PVC/PMMA共混中空纤维膜后处理及化学稳定性和膜污染的研究", 《水处理技术》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113457466A (zh) * | 2021-07-14 | 2021-10-01 | 中国科学院宁波材料技术与工程研究所 | 一种氧化超支化聚乙烯亚胺纳滤膜、制备方法及应用 |
CN113457466B (zh) * | 2021-07-14 | 2023-03-07 | 中国科学院宁波材料技术与工程研究所 | 一种氧化超支化聚乙烯亚胺纳滤膜、制备方法及应用 |
CN114259891A (zh) * | 2022-01-14 | 2022-04-01 | 广东溢达纺织有限公司 | 一种氧化石墨烯纳滤膜及其制备方法与应用 |
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Effective date of registration: 20240511 Address after: Building 8 and Building 9, 1001, Tiancheng Commercial Plaza, No. 979, Section 1, Furong South Road, Tianxin District, Changsha City, Hunan Province, 410000 Patentee after: Changsha Puxi Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 230000 Woye Garden Commercial Building B-1017, 81 Ganquan Road, Shushan District, Hefei City, Anhui Province Patentee before: HEFEI JINGLONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |