JP5704507B2 - 濾過膜、膜濾過方法及び膜濾過装置 - Google Patents
濾過膜、膜濾過方法及び膜濾過装置 Download PDFInfo
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- JP5704507B2 JP5704507B2 JP2011061925A JP2011061925A JP5704507B2 JP 5704507 B2 JP5704507 B2 JP 5704507B2 JP 2011061925 A JP2011061925 A JP 2011061925A JP 2011061925 A JP2011061925 A JP 2011061925A JP 5704507 B2 JP5704507 B2 JP 5704507B2
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- filtration
- filtration membrane
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- 239000012528 membrane Substances 0.000 title claims description 202
- 238000001914 filtration Methods 0.000 title claims description 154
- 238000005374 membrane filtration Methods 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 21
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 82
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 82
- 239000011148 porous material Substances 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000002033 PVDF binder Substances 0.000 claims description 15
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 229920006302 stretch film Polymers 0.000 claims 1
- 239000004576 sand Substances 0.000 description 20
- 239000010410 layer Substances 0.000 description 9
- 239000013535 sea water Substances 0.000 description 8
- 239000012510 hollow fiber Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000000835 fiber Substances 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 229920006240 drawn fiber Polymers 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229920001600 hydrophobic polymer Polymers 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229920006361 Polyflon Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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- Separation Using Semi-Permeable Membranes (AREA)
Description
2.PTFE延伸膜
Claims (4)
- 表面濾過効果を有する表面濾過膜及びポリテトラフルオロエチレンの延伸膜が一体化されてなり、前記表面濾過膜は、前記ポリテトラフルオロエチレンの延伸膜より薄く、前記ポリテトラフルオロエチレンの延伸膜の厚さが400〜600μmであり、前記表面濾過膜の孔径が、前記ポリテトラフルオロエチレンの延伸膜の孔径の0.01〜0.9倍であり、かつ前記ポリテトラフルオロエチレンの延伸膜の孔径が1〜2μmであり、濾過水の流れの方向に、表面濾過膜、ポリテトラフルオロエチレンの延伸膜の順で設けられること特徴とする濾過膜。
- 表面濾過膜が、ポリフッ化ビニリデンを材料とする濾過膜であることを特徴とする請求項1に記載の濾過膜。
- 請求項1又は請求項2に記載の濾過膜に、被処理水を、前記表面濾過膜側から通水することを特徴とする膜濾過方法。
- 請求項1又は請求項2に記載の濾過膜、及び、被処理水を前記表面濾過膜側から通水する手段を有することを特徴とする膜濾過装置。
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JP2011061925A JP5704507B2 (ja) | 2011-03-22 | 2011-03-22 | 濾過膜、膜濾過方法及び膜濾過装置 |
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JP2011061925A JP5704507B2 (ja) | 2011-03-22 | 2011-03-22 | 濾過膜、膜濾過方法及び膜濾過装置 |
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JP2012196618A JP2012196618A (ja) | 2012-10-18 |
JP5704507B2 true JP5704507B2 (ja) | 2015-04-22 |
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JP2011061925A Active JP5704507B2 (ja) | 2011-03-22 | 2011-03-22 | 濾過膜、膜濾過方法及び膜濾過装置 |
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JP (1) | JP5704507B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203676743U (zh) * | 2012-12-28 | 2014-07-02 | 肖英 | 净化水杯 |
JP2015062870A (ja) | 2013-09-25 | 2015-04-09 | 住友電気工業株式会社 | 濾過膜、濾過ユニット並びに濾過システム及び濾過方法 |
CN104324622B (zh) * | 2014-10-29 | 2016-03-09 | 浙江理工大学 | 一种聚四氟乙烯复合纳滤膜的制备方法 |
CN105854640B (zh) * | 2016-06-12 | 2018-08-14 | 浙江理工大学 | 一种荷正电中空聚四氟乙烯复合纳滤膜的制备方法 |
CN106582323B (zh) * | 2016-11-29 | 2019-05-24 | 康命源(贵州)科技发展有限公司 | 高强度、高通量聚偏氟乙烯中空纤维膜的制备方法及产品 |
JP2020015005A (ja) * | 2018-07-26 | 2020-01-30 | 住友電気工業株式会社 | 中空糸膜及び中空糸膜の製造方法 |
CN113385053A (zh) * | 2021-05-07 | 2021-09-14 | 苏州科技大学 | Ptfe乳液共混改性pvdf膜及其制备方法 |
Family Cites Families (3)
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JP4200157B2 (ja) * | 2005-09-26 | 2008-12-24 | 住友電工ファインポリマー株式会社 | 多孔質複層中空糸および該多孔質複層中空糸を備えた濾過モジュール |
SG182176A1 (en) * | 2007-07-03 | 2012-07-30 | Sumitomo Elec Fine Polymer Inc | Flat sheet membrane element for filtration and flat sheet membrane filtration module |
JP5220369B2 (ja) * | 2007-09-04 | 2013-06-26 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
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