JPS57180487A - Purification tank - Google Patents
Purification tankInfo
- Publication number
- JPS57180487A JPS57180487A JP56066416A JP6641681A JPS57180487A JP S57180487 A JPS57180487 A JP S57180487A JP 56066416 A JP56066416 A JP 56066416A JP 6641681 A JP6641681 A JP 6641681A JP S57180487 A JPS57180487 A JP S57180487A
- Authority
- JP
- Japan
- Prior art keywords
- sewage
- flows
- tank
- aeration tank
- pipes
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
PURPOSE: To prevent short-circuiting of inflow sewage and to improve purification efficiency in a purification tank by providing flow transfer pipes on the tank wall sides opposite from the tank walls on the side provided with air diffusion pipes.
CONSTITUTION: Flow transfer pipes 7, 7', 7" are provided near the walls on the sides opposite from the sides provided with air diffusion pipes 4, 4', 4". Sewage enters the 1st aeration tank directly through the pipe 7, and treated water 5 flows cyclically in the arrow direction. Therefore, the sewage flows down, then flows upward through filter media 6, by which it is purified. On flowing-in of the sewage, the treated water 5 in the 1st aeration tank flows through the pipe 7' into the 2nd aeration tank 2, where it is treated in the same way. When the sewage flows into the tanks continuously in this way, the sewage flows into the next aeration tank through the shortest flow passages and since it passes through the inside of the filter media 6, 6', 6", short-circuiting of the flowing sewage is prevented.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56066416A JPS57180487A (en) | 1981-04-30 | 1981-04-30 | Purification tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56066416A JPS57180487A (en) | 1981-04-30 | 1981-04-30 | Purification tank |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57180487A true JPS57180487A (en) | 1982-11-06 |
Family
ID=13315162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56066416A Pending JPS57180487A (en) | 1981-04-30 | 1981-04-30 | Purification tank |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57180487A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6139839A (en) * | 1984-07-27 | 1986-02-26 | Hitachi Ltd | Torque motor |
WO2002030826A3 (en) * | 2000-10-12 | 2002-09-06 | Biochem Technology Inc | Processes and systems for treating wastewater |
-
1981
- 1981-04-30 JP JP56066416A patent/JPS57180487A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6139839A (en) * | 1984-07-27 | 1986-02-26 | Hitachi Ltd | Torque motor |
WO2002030826A3 (en) * | 2000-10-12 | 2002-09-06 | Biochem Technology Inc | Processes and systems for treating wastewater |
US6706171B2 (en) | 2000-10-12 | 2004-03-16 | Biochem Technology, Inc. | Systems for treating wastewater in a series of filter-containing tanks |
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