FR2194654B1 - - Google Patents
Info
- Publication number
- FR2194654B1 FR2194654B1 FR7326552A FR7326552A FR2194654B1 FR 2194654 B1 FR2194654 B1 FR 2194654B1 FR 7326552 A FR7326552 A FR 7326552A FR 7326552 A FR7326552 A FR 7326552A FR 2194654 B1 FR2194654 B1 FR 2194654B1
- Authority
- FR
- France
- 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
Links
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)
- Water Supply & Treatment (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Activated Sludge Processes (AREA)
- Treatment Of Biological Wastes In General (AREA)
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 (2)
Publication Number | Publication Date |
---|---|
FR2194654A1 FR2194654A1 (de) | 1974-03-01 |
FR2194654B1 true FR2194654B1 (de) | 1978-07-21 |
Family
ID=5852769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7326552A Expired FR2194654B1 (de) | 1972-08-05 | 1973-07-19 |
Country Status (7)
Country | Link |
---|---|
JP (2) | JPS4952443A (de) |
BE (1) | BE802734A (de) |
DE (1) | DE2238621A1 (de) |
FR (1) | FR2194654B1 (de) |
GB (1) | GB1430469A (de) |
IT (1) | IT990080B (de) |
NL (1) | NL7310800A (de) |
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 |
---|---|
NL7310800A (de) | 1974-02-07 |
BE802734A (fr) | 1973-11-16 |
FR2194654A1 (de) | 1974-03-01 |
JPS4952443A (de) | 1974-05-21 |
DE2238621A1 (de) | 1974-02-14 |
JPS55107300U (de) | 1980-07-26 |
IT990080B (it) | 1975-06-20 |
JPS5845840Y2 (ja) | 1983-10-18 |
GB1430469A (en) | 1976-03-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |