DE3912921A1 - Verfahren zum betrieb einer biologischen abwasserklaeranlage sowie klaeranlage zur durchfuehrung des verfahrens - Google Patents
Verfahren zum betrieb einer biologischen abwasserklaeranlage sowie klaeranlage zur durchfuehrung des verfahrensInfo
- Publication number
- DE3912921A1 DE3912921A1 DE19893912921 DE3912921A DE3912921A1 DE 3912921 A1 DE3912921 A1 DE 3912921A1 DE 19893912921 DE19893912921 DE 19893912921 DE 3912921 A DE3912921 A DE 3912921A DE 3912921 A1 DE3912921 A1 DE 3912921A1
- Authority
- DE
- Germany
- Prior art keywords
- sludge
- stage
- sedimentation
- return
- treatment plant
- 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
- 239000010802 sludge Substances 0.000 title claims abstract description 167
- 238000004062 sedimentation Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 7
- 230000008569 process Effects 0.000 title abstract description 6
- 238000000746 purification Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 39
- 238000005273 aeration Methods 0.000 claims description 17
- 238000010079 rubber tapping Methods 0.000 claims description 11
- 239000010865 sewage Substances 0.000 claims description 11
- 238000004065 wastewater treatment Methods 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000012805 post-processing Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000011109 contamination Methods 0.000 abstract 1
- 239000008213 purified water Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/121—Multistep treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/006—Regulation methods for biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Activated Sludge Processes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893912921 DE3912921A1 (de) | 1989-04-20 | 1989-04-20 | Verfahren zum betrieb einer biologischen abwasserklaeranlage sowie klaeranlage zur durchfuehrung des verfahrens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893912921 DE3912921A1 (de) | 1989-04-20 | 1989-04-20 | Verfahren zum betrieb einer biologischen abwasserklaeranlage sowie klaeranlage zur durchfuehrung des verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3912921A1 true DE3912921A1 (de) | 1990-10-25 |
| DE3912921C2 DE3912921C2 (enExample) | 1992-06-25 |
Family
ID=6379020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893912921 Granted DE3912921A1 (de) | 1989-04-20 | 1989-04-20 | Verfahren zum betrieb einer biologischen abwasserklaeranlage sowie klaeranlage zur durchfuehrung des verfahrens |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3912921A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5298705A (en) * | 1991-04-19 | 1994-03-29 | Marquardt Gmbh | Snap disk type switch |
| WO1996009253A1 (en) * | 1994-09-13 | 1996-03-28 | Valkanas George N | Method for cleaning contaminated water |
| FR2784093A1 (fr) * | 1998-10-06 | 2000-04-07 | Suez Lyonnaise Des Eaux | Perfectionnements apportes au traitement d'eaux usees selon les procedes par boues activees |
-
1989
- 1989-04-20 DE DE19893912921 patent/DE3912921A1/de active Granted
Non-Patent Citations (1)
| Title |
|---|
| Korrespondenz Abwasser 34, 1987, S. 720 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5298705A (en) * | 1991-04-19 | 1994-03-29 | Marquardt Gmbh | Snap disk type switch |
| WO1996009253A1 (en) * | 1994-09-13 | 1996-03-28 | Valkanas George N | Method for cleaning contaminated water |
| FR2784093A1 (fr) * | 1998-10-06 | 2000-04-07 | Suez Lyonnaise Des Eaux | Perfectionnements apportes au traitement d'eaux usees selon les procedes par boues activees |
| WO2000020344A1 (fr) * | 1998-10-06 | 2000-04-13 | Suez Lyonnaise Des Eaux | Perfectionnements apportes au traitement d'eaux usees selon les procedes par boues activees |
| AU746936B2 (en) * | 1998-10-06 | 2002-05-09 | Suez-Lyonnaise Des Eaux | Improvements to waste water treatment using activated sludge process |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3912921C2 (enExample) | 1992-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |