DE2238621A1 - Verfahren zur klaerung von abwasser - Google Patents
Verfahren zur klaerung von abwasserInfo
- Publication number
- DE2238621A1 DE2238621A1 DE2238621A DE2238621A DE2238621A1 DE 2238621 A1 DE2238621 A1 DE 2238621A1 DE 2238621 A DE2238621 A DE 2238621A DE 2238621 A DE2238621 A DE 2238621A DE 2238621 A1 DE2238621 A1 DE 2238621A1
- Authority
- DE
- Germany
- Prior art keywords
- biological
- stage
- treatment
- wastewater
- raw water
- 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
- 239000002351 wastewater Substances 0.000 title claims description 44
- 238000000034 method Methods 0.000 title claims description 13
- 238000000746 purification Methods 0.000 title claims description 13
- 238000004140 cleaning Methods 0.000 claims description 18
- 238000005352 clarification Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000011282 treatment Methods 0.000 claims description 11
- 239000010865 sewage Substances 0.000 claims description 10
- 238000011221 initial treatment Methods 0.000 claims description 8
- 238000002203 pretreatment Methods 0.000 claims 2
- 238000001994 activation Methods 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 description 8
- 238000006731 degradation reaction Methods 0.000 description 8
- 238000007654 immersion Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 241000252073 Anguilliformes Species 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009996 mechanical pre-treatment Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000126 substance Substances 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
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/082—Rotating biological contactors
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Biological Treatment Of Waste Water (AREA)
- Activated Sludge Processes (AREA)
- Treatment Of Biological Wastes In General (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2238621A DE2238621A1 (de) | 1972-08-05 | 1972-08-05 | Verfahren zur klaerung von abwasser |
| FR7326552A FR2194654B1 (ja) | 1972-08-05 | 1973-07-19 | |
| BE133821A BE802734A (fr) | 1972-08-05 | 1973-07-24 | Procede et installation pour l'epuration d'eaux usees |
| IT5175073A IT990080B (it) | 1972-08-05 | 1973-07-31 | Procedimento per la chiarificazio ne di acque di rifiuto |
| NL7310800A NL7310800A (ja) | 1972-08-05 | 1973-08-03 | |
| JP8725773A JPS4952443A (ja) | 1972-08-05 | 1973-08-04 | |
| GB3715373A GB1430469A (en) | 1972-08-05 | 1973-08-06 | Process and plant for the purification of sewage |
| JP1980019781U JPS5845840Y2 (ja) | 1972-08-05 | 1980-02-20 | 廃水浄化装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2238621A DE2238621A1 (de) | 1972-08-05 | 1972-08-05 | Verfahren zur klaerung von abwasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2238621A1 true DE2238621A1 (de) | 1974-02-14 |
Family
ID=5852769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2238621A Pending DE2238621A1 (de) | 1972-08-05 | 1972-08-05 | Verfahren zur klaerung von abwasser |
Country Status (7)
| Country | Link |
|---|---|
| JP (2) | JPS4952443A (ja) |
| BE (1) | BE802734A (ja) |
| DE (1) | DE2238621A1 (ja) |
| FR (1) | FR2194654B1 (ja) |
| GB (1) | GB1430469A (ja) |
| IT (1) | IT990080B (ja) |
| NL (1) | NL7310800A (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982812A (en) * | 1973-10-01 | 1976-09-28 | General Electric Company | Power cable separable connector having gasket means for restricting the flow of arc-generated gases therefrom |
| JPS544469A (en) * | 1977-06-11 | 1979-01-13 | Kubota Ltd | Mathod of treating raw system organic waste water at high efficiency |
| JPS55134695A (en) * | 1979-04-10 | 1980-10-20 | Fuji Electric Co Ltd | Treatment in urine/feces sanitation tank sewage |
| JPS596983A (ja) * | 1982-07-05 | 1984-01-14 | Toray Eng Co Ltd | 廃水の生物膜処理方法 |
| JPH0763707B2 (ja) * | 1987-04-23 | 1995-07-12 | 三菱化学株式会社 | 廃液の連続的処理方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1185127B (de) * | 1955-10-18 | 1965-01-07 | Hartmann Hans | Vorrichtung zur biologischen Reinigung von Abwaessern mit Hilfe aerober Mikroorganismen |
| US3598726A (en) * | 1968-08-27 | 1971-08-10 | Autotrol Corp | Water treatment apparatus and method |
-
1972
- 1972-08-05 DE DE2238621A patent/DE2238621A1/de active Pending
-
1973
- 1973-07-19 FR FR7326552A patent/FR2194654B1/fr not_active Expired
- 1973-07-24 BE BE133821A patent/BE802734A/xx unknown
- 1973-07-31 IT IT5175073A patent/IT990080B/it active
- 1973-08-03 NL NL7310800A patent/NL7310800A/xx not_active Application Discontinuation
- 1973-08-04 JP JP8725773A patent/JPS4952443A/ja active Pending
- 1973-08-06 GB GB3715373A patent/GB1430469A/en not_active Expired
-
1980
- 1980-02-20 JP JP1980019781U patent/JPS5845840Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT990080B (it) | 1975-06-20 |
| NL7310800A (ja) | 1974-02-07 |
| JPS4952443A (ja) | 1974-05-21 |
| FR2194654B1 (ja) | 1978-07-21 |
| JPS55107300U (ja) | 1980-07-26 |
| GB1430469A (en) | 1976-03-31 |
| FR2194654A1 (ja) | 1974-03-01 |
| JPS5845840Y2 (ja) | 1983-10-18 |
| BE802734A (fr) | 1973-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |