JP2000500392A - 浸漬膜型濾過装置の洗浄方法 - Google Patents
浸漬膜型濾過装置の洗浄方法Info
- Publication number
- JP2000500392A JP2000500392A JP9519442A JP51944297A JP2000500392A JP 2000500392 A JP2000500392 A JP 2000500392A JP 9519442 A JP9519442 A JP 9519442A JP 51944297 A JP51944297 A JP 51944297A JP 2000500392 A JP2000500392 A JP 2000500392A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- cleaning
- tank
- water
- washing
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 144
- 239000012528 membrane Substances 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title claims abstract description 71
- 238000001914 filtration Methods 0.000 title claims abstract description 25
- 238000007654 immersion Methods 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000012466 permeate Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 63
- 238000005406 washing Methods 0.000 claims description 40
- 238000004891 communication Methods 0.000 claims description 9
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000011148 porous material Substances 0.000 description 11
- 239000008399 tap water Substances 0.000 description 8
- 235000020679 tap water Nutrition 0.000 description 8
- 239000000376 reactant Substances 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000005708 Sodium hypochlorite Substances 0.000 description 5
- 238000005374 membrane filtration Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 5
- 239000012510 hollow fiber Substances 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 241001123248 Arma Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011066 ex-situ storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
- B01D65/06—Membrane cleaning or sterilisation ; Membrane regeneration with special washing compositions
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/164—Use of bases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Filtration Of Liquid (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.濾過されるべき流水を含む少なくとも1基のタンク内に複数の浸漬膜を有 する型の濾過装置を洗浄する方法であって、前記方法が 前記膜を空気に曝させる方法で前記タンク内に含まれている流水を少なくとも 部分的に排水すること、 前記膜の透過水側から前記洗浄液を供給することによって少なくとも1種の洗 浄液が前記膜を通過して流水の濾過水流の反対側の流路に沿って流れることを引 き起こすこと、 からなる工程を含んでいることを特徴とする方法。 2.前記方法が、さらに前記膜を通って前記タンクの足部へ通過した前記洗浄 液を回収又は中和することからなる工程を含んでいることを特徴とする請求項1 に記載の方法。 3.前記膜が、前記タンクの内側で垂直位置にあることを特徴とする請求項1 又は2に記載の方法。 4.少なくとも1種の洗浄液が前記膜を通って流水の濾過水流の反対側の流路 に沿って通過することを引き起させることからなる前記工程が、前記洗浄液を前 記膜の上部及び底部を交互に又は同時に通って供給することによって実施される ことを特徴とする請求項3に記載の方法。 5.前記方法が、少なくとも1種の塩基性洗浄液が前記膜を通過することを引 き起こすことからなる少なくとも1つの工程と、少なくとも1種の酸性洗浄液が 前記膜を通過することを引き起こすことからなる少なくとも1つの工程と、を含 んでいる洗浄順序を実施することからなることを特徴とする請求項1〜4のうち の1つに記載の方法。 6.前記洗浄順序が、少なくとも1種の酸化剤を含有する少なくとも1種の洗 浄液が前記膜を通過することを引き起こすことからなる少なくとも1種の工程を 含んでいることを特徴とする請求項5に記載の方法。 7.前記洗浄順序が、塩基及び酸化剤を含有する少なくとも1種の洗浄液が前 記膜を通過することを引き起こすことからなる少なくとも1つの工程と、少なく とも1種の酸性洗浄液が前記膜を通過することを引き起こすことからなる少なく とも1つの工程と、を含んでいることを特徴とする請求項5及び6に記載の方法 。 8.前記洗浄順序の前記工程に、水が前記膜を通過することを引き起こすこと からなる1又は2つ以上のすすぎ洗い工程が差し入れられる、随伴される、又は 先行されることを特徴とする請求項5〜7のうちのいずれか1つに記載の方法。 9.前記洗浄順序の前記工程に、1又は2つ以上の浸漬工程が差し入れられる 、随伴される、又は先行されることを特徴とする請求項5〜7のうちのいずれか 1つに記載の方法。 10.前記洗浄液が、膜1平方メートル当たり2〜20リットルの間の総量の 割合で使用されることを特徴とする請求項1〜9のうちの1つに記載の方法。 11.前記洗浄順序の総所要時間が30分間〜4時間の間であることを特徴と する請求項5〜10のうちのいずれか1つに記載の方法。 12.その内側に複数の濾過膜(3)が垂直に据え付けられている少なくとも 1基の処理タンク(1)と一緒に、前記タンク(1)内へ濾過されるべき流水を 給水する手段(2)、前記タンクを排水する手段(5)、前記膜から流入する透 過水を排出する手段(7、8、9、10)、前記膜を洗浄するための溶液のため の少なくとも1個の貯蔵用リザーバ(11、12、13)及び前記膜の透過水側 から前記洗浄液を供給する手段を含んでおり、さらに前記洗浄液を供給する前記 手段が前記膜の上部及び底部を通して前記洗浄液が交互に又は同時に供給される ことを可能にする手段を含んでいることを特徴とする請求項3〜11のうちのい ずれか1つに記載の本方法を実行するための装置。 13.各々が内側に垂直に据え付けられている複数の濾過膜(3a、3b、3 c、3d)を持っている、平行に取り付けられた少なくとも2基の処理タンク( 1a、1b、1c、1d)を含んでいることを特徴とし、さらに第1タンクの膜 の洗浄を許容する手段と洗浄作業中に第2タンクにこの第1タンクの中味を貯蔵 することを可能にする手段とを含んでいることを特徴とする請求項12に記載の 装置。 14.前記排水手段(5)を前記給水手段(2)と連絡させるための手段(2 1、K)を含んでいることを特徴とする請求項13に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9514188A FR2741280B1 (fr) | 1995-11-22 | 1995-11-22 | Procede de nettoyage d'une installation de filtration du type a membranes immergees |
FR95/14188 | 1995-11-22 | ||
PCT/FR1996/001827 WO1997018887A1 (fr) | 1995-11-22 | 1996-11-19 | Procede de nettoyage d'une installation de filtration du type a membranes immergees |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000500392A true JP2000500392A (ja) | 2000-01-18 |
JP4040090B2 JP4040090B2 (ja) | 2008-01-30 |
Family
ID=9485034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51944297A Expired - Fee Related JP4040090B2 (ja) | 1995-11-22 | 1996-11-19 | 浸漬膜型濾過装置の洗浄方法 |
Country Status (15)
Country | Link |
---|---|
US (1) | US6045698A (ja) |
EP (1) | EP0863793B1 (ja) |
JP (1) | JP4040090B2 (ja) |
KR (1) | KR100453845B1 (ja) |
AT (1) | ATE185702T1 (ja) |
AU (1) | AU710229B2 (ja) |
BR (1) | BR9611625A (ja) |
CA (2) | CA2484573C (ja) |
DE (1) | DE69604818T2 (ja) |
DK (1) | DK0863793T3 (ja) |
ES (1) | ES2140914T3 (ja) |
FR (1) | FR2741280B1 (ja) |
HU (1) | HUP0000070A3 (ja) |
PL (1) | PL182907B1 (ja) |
WO (1) | WO1997018887A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006255567A (ja) * | 2005-03-16 | 2006-09-28 | Kurita Water Ind Ltd | 浸漬型膜分離装置及びその薬品洗浄方法 |
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1995
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- 1996-11-19 WO PCT/FR1996/001827 patent/WO1997018887A1/fr active IP Right Grant
- 1996-11-19 KR KR10-1998-0703844A patent/KR100453845B1/ko not_active IP Right Cessation
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JP2006255567A (ja) * | 2005-03-16 | 2006-09-28 | Kurita Water Ind Ltd | 浸漬型膜分離装置及びその薬品洗浄方法 |
Also Published As
Publication number | Publication date |
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MX9804058A (es) | 1998-12-31 |
CA2236840C (en) | 2005-09-13 |
EP0863793B1 (fr) | 1999-10-20 |
CA2484573C (en) | 2008-05-13 |
PL182907B1 (pl) | 2002-04-30 |
DK0863793T3 (da) | 2000-04-25 |
ES2140914T3 (es) | 2000-03-01 |
CA2484573A1 (en) | 1997-05-29 |
PL326935A1 (en) | 1998-11-09 |
HUP0000070A2 (hu) | 2000-06-28 |
ATE185702T1 (de) | 1999-11-15 |
US6045698A (en) | 2000-04-04 |
EP0863793A1 (fr) | 1998-09-16 |
HUP0000070A3 (en) | 2002-01-28 |
CA2236840A1 (en) | 1997-05-29 |
KR19990071569A (ko) | 1999-09-27 |
AU7630096A (en) | 1997-06-11 |
AU710229B2 (en) | 1999-09-16 |
JP4040090B2 (ja) | 2008-01-30 |
KR100453845B1 (ko) | 2005-01-15 |
FR2741280A1 (fr) | 1997-05-23 |
WO1997018887A1 (fr) | 1997-05-29 |
DE69604818T2 (de) | 2000-06-21 |
DE69604818D1 (de) | 1999-11-25 |
BR9611625A (pt) | 1999-12-28 |
FR2741280B1 (fr) | 1997-12-19 |
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