FI751833A7 - - Google Patents
Info
- Publication number
- FI751833A7 FI751833A7 FI751833A FI751833A FI751833A7 FI 751833 A7 FI751833 A7 FI 751833A7 FI 751833 A FI751833 A FI 751833A FI 751833 A FI751833 A FI 751833A FI 751833 A7 FI751833 A7 FI 751833A7
- Authority
- FI
- Finland
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
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Removal Of Specific Substances (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48179374A | 1974-06-21 | 1974-06-21 | |
| US48179374 | 1974-06-21 | ||
| US58195175A | 1975-06-04 | 1975-06-04 | |
| US58195175 | 1975-06-04 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI751833A7 true FI751833A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-22 |
| FI62275B FI62275B (fi) | 1982-08-31 |
| FI62275C FI62275C (fi) | 1982-12-10 |
Family
ID=27047049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI751833A FI62275C (fi) | 1974-06-21 | 1975-06-19 | Foerfarande foer behandling av avfallsvatten vilket grundar si pao anvaendning av aktivslam |
Country Status (19)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729127A1 (de) * | 1987-09-01 | 1989-03-09 | Taetzner Wolfgang | Verfahren und vorrichtung zur biologischen reinigung von abwaessern von ihren phosphat-verunreinigungen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3236766A (en) * | 1964-03-31 | 1966-02-22 | Hazleton Lab Inc | Sewage treatment process |
| US3385785A (en) * | 1966-05-04 | 1968-05-28 | Fmc Corp | Method of controlling phosphate concentration in sewage treatment systems |
| US3681235A (en) * | 1971-03-11 | 1972-08-01 | Biospherics Inc | Internal precipitation of phosphate from activated sludge |
-
1974
- 1974-06-20 TR TR1884974A patent/TR18849A/xx unknown
-
1975
- 1975-01-01 AR AR25928175A patent/AR206820A1/es active
- 1975-06-17 CA CA229,489A patent/CA1063264A/en not_active Expired
- 1975-06-18 SE SE7507013A patent/SE410306B/xx unknown
- 1975-06-19 FI FI751833A patent/FI62275C/fi not_active IP Right Cessation
- 1975-06-20 NL NLAANVRAGE7507418,A patent/NL171568C/xx not_active IP Right Cessation
- 1975-06-20 CH CH806475A patent/CH609652A5/xx not_active IP Right Cessation
- 1975-06-20 IT IT5015775A patent/IT1040676B/it active
- 1975-06-20 FR FR7519419A patent/FR2275408A1/fr active Granted
- 1975-06-20 DK DK281875A patent/DK281875A/da not_active Application Discontinuation
- 1975-06-20 IL IL4753675A patent/IL47536A/xx unknown
- 1975-06-20 DE DE2527588A patent/DE2527588C2/de not_active Expired
- 1975-06-20 GB GB26229/75A patent/GB1512693A/en not_active Expired
- 1975-06-20 JP JP50074558A patent/JPS5929320B2/ja not_active Expired
- 1975-06-20 NO NO752207A patent/NO148260C/no unknown
- 1975-06-20 BR BR7504965D patent/BR7503861A/pt unknown
- 1975-06-21 EG EG35475A patent/EG11772A/xx active
- 1975-06-23 IN IN1237/CAL/1975A patent/IN144405B/en unknown
- 1975-06-23 IE IE1394/75A patent/IE41385B1/xx unknown
Also Published As
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: BIOSPHERICS INC. |