JPS5597298A - Waste water treatment apparatus - Google Patents
Waste water treatment apparatusInfo
- Publication number
- JPS5597298A JPS5597298A JP413179A JP413179A JPS5597298A JP S5597298 A JPS5597298 A JP S5597298A JP 413179 A JP413179 A JP 413179A JP 413179 A JP413179 A JP 413179A JP S5597298 A JPS5597298 A JP S5597298A
- Authority
- JP
- Japan
- Prior art keywords
- organics
- tank
- sludge
- waste water
- treated
- 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 treat all organics present in waste water by the procedure in which residual undecomposed organics treated biologically are decomposed into easily decomposable organics by a solubilizer and then returned to a circulating tank.
CONSTITUTION: The waste water 18 containing organics which are hard to decompose biologically is passed through the circulating tank 1 and treated biologically in the aeration tank 3, and then the treated water 4 is separated into the sludge 5 and the discharge water 6 by the sedimentation tank 7. The sludge 5 is concentrated by the concentrating tank 10 and then the concentrated sludge 8 is fermented in the methane fermentation tank 13 and then separated into the sludge lump 11 and the supernatatant 12. The sludge lump 11 is supplied to the dehydrator 16 to separate it into the dehydrated sludge 14 and the supernatant 15, and then supernatant 9, the dehydrated liquid 12, and the separated liquid 15 are supplied to the ozone-supplied tank 17 where the organics which are hard to decompose biologically are decomposed into easily decomposable organics. The organics so treated are sent with the liquids 9, 12, and 15 back to the circulating tank and further sent with the fresh waste water 18 to the aeration tank 3. These processes are repeated.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP413179A JPS5597298A (en) | 1979-01-18 | 1979-01-18 | Waste water treatment apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP413179A JPS5597298A (en) | 1979-01-18 | 1979-01-18 | Waste water treatment apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5597298A true JPS5597298A (en) | 1980-07-24 |
Family
ID=11576218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP413179A Pending JPS5597298A (en) | 1979-01-18 | 1979-01-18 | Waste water treatment apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5597298A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002267099A (en) * | 2001-03-06 | 2002-09-18 | Taisei Corp | Low-temperature tank and storage method for low- temperature liquid |
-
1979
- 1979-01-18 JP JP413179A patent/JPS5597298A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002267099A (en) * | 2001-03-06 | 2002-09-18 | Taisei Corp | Low-temperature tank and storage method for low- temperature liquid |
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