JPH0356699U - - Google Patents
Info
- Publication number
- JPH0356699U JPH0356699U JP1989117179U JP11717989U JPH0356699U JP H0356699 U JPH0356699 U JP H0356699U JP 1989117179 U JP1989117179 U JP 1989117179U JP 11717989 U JP11717989 U JP 11717989U JP H0356699 U JPH0356699 U JP H0356699U
- Authority
- JP
- Japan
- Prior art keywords
- waterway
- aeration
- water channel
- bored
- string
- 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
- 238000005273 aeration Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 1
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989117179U JPH0721279Y2 (ja) | 1989-10-03 | 1989-10-03 | 汚水処理用曝気装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989117179U JPH0721279Y2 (ja) | 1989-10-03 | 1989-10-03 | 汚水処理用曝気装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0356699U true JPH0356699U (hu) | 1991-05-30 |
| JPH0721279Y2 JPH0721279Y2 (ja) | 1995-05-17 |
Family
ID=31665413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989117179U Expired - Lifetime JPH0721279Y2 (ja) | 1989-10-03 | 1989-10-03 | 汚水処理用曝気装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721279Y2 (hu) |
-
1989
- 1989-10-03 JP JP1989117179U patent/JPH0721279Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721279Y2 (ja) | 1995-05-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |