NL7301539A - - Google Patents
Info
- Publication number
- NL7301539A NL7301539A NL7301539A NL7301539A NL7301539A NL 7301539 A NL7301539 A NL 7301539A NL 7301539 A NL7301539 A NL 7301539A NL 7301539 A NL7301539 A NL 7301539A NL 7301539 A NL7301539 A NL 7301539A
- Authority
- NL
- Netherlands
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
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1257—Oxidation ditches
-
- 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
-
- 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
- C02F3/20—Activated sludge processes using diffusers
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- 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)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2204814A DE2204814C3 (de) | 1972-02-02 | 1972-02-02 | Belebungsbecken für Kläranlagen mit biologischer Abwasserreinigung |
DE2302146A DE2302146C3 (de) | 1973-01-17 | 1973-01-17 | Belebungsbecken für Kläranlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7301539A true NL7301539A (de) | 1973-08-06 |
Family
ID=25762655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7301539A NL7301539A (de) | 1972-02-02 | 1973-02-02 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE794769A (de) |
FR (1) | FR2170058A1 (de) |
NL (1) | NL7301539A (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3547815A (en) * | 1969-07-02 | 1970-12-15 | Union Carbide Corp | Staged oxygenation of bod-containing water |
CH502275A (fr) * | 1970-01-27 | 1971-01-31 | Pista Sa | Installation d'épuration pour liquides |
US3703462A (en) * | 1971-01-06 | 1972-11-21 | George W Smith | Sewage treatment apparatus and method |
-
0
- BE BE794769D patent/BE794769A/xx unknown
-
1973
- 1973-01-31 FR FR7303348A patent/FR2170058A1/fr active Granted
- 1973-02-02 NL NL7301539A patent/NL7301539A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
BE794769A (fr) | 1973-05-16 |
FR2170058A1 (en) | 1973-09-14 |
FR2170058B1 (de) | 1976-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |