CH487806A - Process for cleaning wastewater using activated sludge - Google Patents
Process for cleaning wastewater using activated sludgeInfo
- Publication number
- CH487806A CH487806A CH16069A CH16069A CH487806A CH 487806 A CH487806 A CH 487806A CH 16069 A CH16069 A CH 16069A CH 16069 A CH16069 A CH 16069A CH 487806 A CH487806 A CH 487806A
- Authority
- CH
- Switzerland
- Prior art keywords
- activated sludge
- cleaning wastewater
- wastewater
- cleaning
- sludge
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Activated Sludge Processes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE33668A SE317632C (en) | 1968-01-11 | 1968-01-11 | Ways to purify water by means of activated sludge |
Publications (1)
Publication Number | Publication Date |
---|---|
CH487806A true CH487806A (en) | 1970-03-31 |
Family
ID=20256385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH16069A CH487806A (en) | 1968-01-11 | 1969-01-08 | Process for cleaning wastewater using activated sludge |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE726430A (en) |
CH (1) | CH487806A (en) |
FR (1) | FR2000136A1 (en) |
IL (1) | IL31329A (en) |
NL (1) | NL6900325A (en) |
SE (1) | SE317632C (en) |
-
1968
- 1968-01-11 SE SE33668A patent/SE317632C/en unknown
- 1968-12-26 IL IL31329A patent/IL31329A/en unknown
-
1969
- 1969-01-03 BE BE726430D patent/BE726430A/xx unknown
- 1969-01-08 FR FR6900141A patent/FR2000136A1/fr not_active Withdrawn
- 1969-01-08 CH CH16069A patent/CH487806A/en not_active IP Right Cessation
- 1969-01-09 NL NL6900325A patent/NL6900325A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6900325A (en) | 1969-07-15 |
SE317632C (en) | 1973-08-20 |
FR2000136A1 (en) | 1969-08-29 |
IL31329A0 (en) | 1969-02-27 |
SE317632B (en) | 1969-11-17 |
BE726430A (en) | 1969-06-16 |
IL31329A (en) | 1972-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |