JP2004209478A5 - - Google Patents
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- Publication number
- JP2004209478A5 JP2004209478A5 JP2004105637A JP2004105637A JP2004209478A5 JP 2004209478 A5 JP2004209478 A5 JP 2004209478A5 JP 2004105637 A JP2004105637 A JP 2004105637A JP 2004105637 A JP2004105637 A JP 2004105637A JP 2004209478 A5 JP2004209478 A5 JP 2004209478A5
- Authority
- JP
- Japan
- Prior art keywords
- backwashing
- water
- membrane module
- acid
- filtration
- 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.)
- Withdrawn
Links
- 238000011001 backwashing Methods 0.000 claims description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 239000012528 membrane Substances 0.000 claims description 50
- 238000001914 filtration Methods 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 21
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 239000003899 bactericide agent Substances 0.000 claims description 8
- 239000012510 hollow fiber Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 230000002070 germicidal effect Effects 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 5
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000000844 anti-bacterial effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 2
- BWKOZPVPARTQIV-UHFFFAOYSA-N azanium;hydron;2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [NH4+].OC(=O)CC(O)(C(O)=O)CC([O-])=O BWKOZPVPARTQIV-UHFFFAOYSA-N 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 150000007522 mineralic acids Chemical class 0.000 claims description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical group [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 2
- 239000003206 sterilizing agent Substances 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims 2
- 238000004659 sterilization and disinfection Methods 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005352 clarification Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004105637A JP2004209478A (ja) | 2004-03-31 | 2004-03-31 | 除濁用膜モジュールのろ過逆洗方法と装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004105637A JP2004209478A (ja) | 2004-03-31 | 2004-03-31 | 除濁用膜モジュールのろ過逆洗方法と装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9184654A Division JPH119973A (ja) | 1997-06-26 | 1997-06-26 | 除濁用膜モジュールのろ過逆洗方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004209478A JP2004209478A (ja) | 2004-07-29 |
| JP2004209478A5 true JP2004209478A5 (fr) | 2005-06-02 |
Family
ID=32822347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004105637A Withdrawn JP2004209478A (ja) | 2004-03-31 | 2004-03-31 | 除濁用膜モジュールのろ過逆洗方法と装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2004209478A (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2727645A4 (fr) * | 2011-06-29 | 2015-04-08 | Toray Industries | Procédé de lavage pour un module de membrane de séparation |
| JP5698630B2 (ja) * | 2011-09-16 | 2015-04-08 | 株式会社タカギ | セントラル浄水装置 |
| US20140124461A1 (en) * | 2012-11-07 | 2014-05-08 | Veolia Water Solutions & Technologies Support | Process for Inhibiting Biological Growth On a Gravity Fed Disc Filter |
| US20170182465A1 (en) * | 2014-04-10 | 2017-06-29 | Mitsubishi Electric Corporation | Water treatment method and water treatment apparatus each using membrane |
| MY181737A (en) * | 2014-08-29 | 2021-01-06 | Mitsubishi Electric Corp | Method and apparatus for cleaning filter membrane, and water treatment system |
| US20180015417A1 (en) * | 2015-02-25 | 2018-01-18 | Mitsubishi Heavy Industries, Ltd. | Cleaning method for water treatment membrane |
| CN108698860A (zh) * | 2016-03-14 | 2018-10-23 | 住友电气工业株式会社 | 高硬度排水的处理方法 |
| JP6567008B2 (ja) * | 2016-12-22 | 2019-08-28 | 株式会社クボタ | 膜モジュールの運転方法 |
| CN108686519B (zh) * | 2018-08-16 | 2020-11-27 | 南京化学工业园热电有限公司 | 一种超滤装置的反洗方法 |
-
2004
- 2004-03-31 JP JP2004105637A patent/JP2004209478A/ja not_active Withdrawn
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