JPS56124405A - Reverse osmosis device for waste water - Google Patents
Reverse osmosis device for waste waterInfo
- Publication number
- JPS56124405A JPS56124405A JP2696780A JP2696780A JPS56124405A JP S56124405 A JPS56124405 A JP S56124405A JP 2696780 A JP2696780 A JP 2696780A JP 2696780 A JP2696780 A JP 2696780A JP S56124405 A JPS56124405 A JP S56124405A
- Authority
- JP
- Japan
- Prior art keywords
- unit
- waste water
- reverse osmosis
- treated
- treatment unit
- 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 desalt even factory waste water containing large amounts of contaminants and to obtain clarified water by conducting additionally an ozonizing treatment as a pretreatment for the reverse osmosis.
CONSTITUTION: During the pretreatment step, an ozonizing treatment unit 22 provided additionally with an ozonizer 21 and an ozone exhaust treatment unit 23 is placed between a sand filtration unit 6 and a pH-adjusting tank 7. After a flocculant is added into the waste water 1 introduced into a flocculator 3 through a storing and homogenizing tank 2 and the pH of the waste water 1 is adjusted, the waste water 1 is fed into a flocculating and precipitating unit 4 and the supernatant is fed to the filtrating unit 6. Next, the liquid passed through the filtration unit 6 is treated in the ozonizing treatment unit 22 and is thereafter treated in a pH-adjusting hypochlorous acid treatment unit which consists of the pH-adjusting tank 7 and a sodium hypochlorite supply tank 8. Then, the thus pretreated liquid is treated in a reverse osmosis unit 10 to separate the liquid into the clarified water 11 and concentrated water 12.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2696780A JPS56124405A (en) | 1980-03-04 | 1980-03-04 | Reverse osmosis device for waste water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2696780A JPS56124405A (en) | 1980-03-04 | 1980-03-04 | Reverse osmosis device for waste water |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56124405A true JPS56124405A (en) | 1981-09-30 |
Family
ID=12207918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2696780A Pending JPS56124405A (en) | 1980-03-04 | 1980-03-04 | Reverse osmosis device for waste water |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56124405A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010079251A (en) * | 2001-06-27 | 2001-08-22 | 홍진의 | Reuse process for hydroflouric acid waste water |
-
1980
- 1980-03-04 JP JP2696780A patent/JPS56124405A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010079251A (en) * | 2001-06-27 | 2001-08-22 | 홍진의 | Reuse process for hydroflouric acid waste water |
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