JPS6463003A - Filtration method for hollow yarn membrane filter - Google Patents
Filtration method for hollow yarn membrane filterInfo
- Publication number
- JPS6463003A JPS6463003A JP22020087A JP22020087A JPS6463003A JP S6463003 A JPS6463003 A JP S6463003A JP 22020087 A JP22020087 A JP 22020087A JP 22020087 A JP22020087 A JP 22020087A JP S6463003 A JPS6463003 A JP S6463003A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- precoat material
- condensate
- hollow yarn
- filter
- 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.)
- Pending
Links
Abstract
PURPOSE:To prevent access of a membrane clogging substance to the membrane surface by forming a layer of highly releasable powder on the hollow yarn membrane on the raw water side, and catching the membrane clogging substance by the layer. CONSTITUTION:When the condensate of an atomic power plant is purified by a hollow yarn membrane filter 9, precoat material 13 such as crystalline iron oxide powder is injected into the condensate from a precoat material tank 12 connected to the upstream side of the filter 9 during the purification operation before the starting of the plant or during the starting operation to form the layer of the precoat material on the membrane surface of the filter 9. By this method, the membrane clogging substance formed in the condensate in the course of time from the shutdown for periodical inspection to the resumption of operation is collected by the precoat material, access of the membrane clogging substance to the membrane surface is prevented to the utmost, and the clogging of the membrane can be reduced. Since the precoating is carried out only when the precoat is needed, an increase in the amt. of waste due to the precoat material can be suppressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22020087A JPS6463003A (en) | 1987-09-04 | 1987-09-04 | Filtration method for hollow yarn membrane filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22020087A JPS6463003A (en) | 1987-09-04 | 1987-09-04 | Filtration method for hollow yarn membrane filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6463003A true JPS6463003A (en) | 1989-03-09 |
Family
ID=16747453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22020087A Pending JPS6463003A (en) | 1987-09-04 | 1987-09-04 | Filtration method for hollow yarn membrane filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6463003A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01180205A (en) * | 1988-01-07 | 1989-07-18 | Nippon Atom Ind Group Co Ltd | Operation of hollow yarn membrane filter device |
| JP2002011310A (en) * | 2000-06-29 | 2002-01-15 | Japan Organo Co Ltd | Method of operating high temperature filtration apparatus |
| JP2007160162A (en) * | 2005-12-12 | 2007-06-28 | Japan Organo Co Ltd | Method for operating power plant |
-
1987
- 1987-09-04 JP JP22020087A patent/JPS6463003A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01180205A (en) * | 1988-01-07 | 1989-07-18 | Nippon Atom Ind Group Co Ltd | Operation of hollow yarn membrane filter device |
| JP2002011310A (en) * | 2000-06-29 | 2002-01-15 | Japan Organo Co Ltd | Method of operating high temperature filtration apparatus |
| JP2007160162A (en) * | 2005-12-12 | 2007-06-28 | Japan Organo Co Ltd | Method for operating power plant |
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