JPH0642795Y2 - 活性汚泥濃度自動調整装置 - Google Patents
活性汚泥濃度自動調整装置Info
- Publication number
- JPH0642795Y2 JPH0642795Y2 JP1989098524U JP9852489U JPH0642795Y2 JP H0642795 Y2 JPH0642795 Y2 JP H0642795Y2 JP 1989098524 U JP1989098524 U JP 1989098524U JP 9852489 U JP9852489 U JP 9852489U JP H0642795 Y2 JPH0642795 Y2 JP H0642795Y2
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- activated sludge
- reaction tank
- excess
- activated
- 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.)
- Expired - Lifetime
Links
- 239000010802 sludge Substances 0.000 title claims description 222
- 238000006243 chemical reaction Methods 0.000 claims description 50
- 238000005273 aeration Methods 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 31
- 239000007788 liquid Substances 0.000 description 18
- 239000006228 supernatant Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 11
- 238000013019 agitation Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004062 sedimentation 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
- Activated Sludge Processes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989098524U JPH0642795Y2 (ja) | 1989-08-25 | 1989-08-25 | 活性汚泥濃度自動調整装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989098524U JPH0642795Y2 (ja) | 1989-08-25 | 1989-08-25 | 活性汚泥濃度自動調整装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0338200U JPH0338200U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-04-12 |
| JPH0642795Y2 true JPH0642795Y2 (ja) | 1994-11-09 |
Family
ID=31647619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989098524U Expired - Lifetime JPH0642795Y2 (ja) | 1989-08-25 | 1989-08-25 | 活性汚泥濃度自動調整装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642795Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1989
- 1989-08-25 JP JP1989098524U patent/JPH0642795Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0338200U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-04-12 |