NL137786C - - Google Patents
Info
- Publication number
- NL137786C NL137786C NL6900075A NL6900075A NL137786C NL 137786 C NL137786 C NL 137786C NL 6900075 A NL6900075 A NL 6900075A NL 6900075 A NL6900075 A NL 6900075A NL 137786 C NL137786 C NL 137786C
- 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
- C02F3/14—Activated sludge processes using surface aeration
- C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/234—Surface aerating
- B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
- B01F23/23421—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force the stirrers rotating about a vertical axis
- B01F23/234211—Stirrers thereof
-
- 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
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1632423A DE1632423B2 (de) | 1968-01-04 | 1968-01-04 | Vorrichtung zum Begasen von Flüssigkelten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6900075A NL6900075A (es) | 1969-07-08 |
| NL137786C true NL137786C (es) | 1973-01-15 |
Family
ID=5683485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6900075A NL137786C (es) | 1968-01-04 | 1969-01-03 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3559964A (es) |
| DE (1) | DE1632423B2 (es) |
| FR (1) | FR1602010A (es) |
| GB (1) | GB1253251A (es) |
| NL (1) | NL137786C (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060603A1 (en) * | 1981-03-17 | 1982-09-22 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Stirrer, having substantially triangular, radial blades, rising towards the circumference |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954606A (en) * | 1973-11-12 | 1976-05-04 | Air Products And Chemicals, Inc. | Wastewater treatment system with controlled mixing |
| NL7316997A (nl) * | 1973-12-12 | 1975-06-16 | Sneek Landustrie | Oppervlaksbeluchter. |
| US3940461A (en) * | 1974-02-15 | 1976-02-24 | Ernest J. Martin | Liquid aeration method and pump apparatus with stationary vanes and downward flow |
| US3981628A (en) * | 1974-04-08 | 1976-09-21 | Carter James C | Pump |
| FR2293235A1 (fr) * | 1974-12-05 | 1976-07-02 | Roland Jean Louis | Dispositif pour introduire un gaz dans un liquide |
| FR2372774A2 (fr) * | 1976-12-06 | 1978-06-30 | Cersoaf | Perfectionnements aux turbines d'aeration de liquides |
| SE412011B (sv) * | 1978-03-31 | 1980-02-18 | Sala International Ab | Anordning vid apparater for inblandning och losning av gaser i vetskemassor, vilka av ett axialpumpshjul uppfordras genom en vertikal stigledning |
| DK211281A (da) * | 1981-05-13 | 1982-11-14 | A S Frandsen | Iltningsanlaeg til vandomraader,isaer fiskedamme |
| FR2517564B1 (fr) * | 1981-12-07 | 1987-02-27 | Etude Tech Realisa Equip | Turbine rapide flottante d'aeration, notamment pour l'epuration des eaux |
| FR2609459A1 (fr) * | 1987-01-12 | 1988-07-15 | Tech Melange Indl | Appareil agitateur et aerateur d'une masse liquide, notamment pour station d'epuration biologique |
| DE10050030B4 (de) * | 2000-10-06 | 2005-12-01 | Schulz Verfahrenstechnik Gmbh | Verfahren und Vorrichtung zum Eintragen von Gasen in flüssige Medien |
| ITVE20040015A1 (it) * | 2004-04-22 | 2004-07-22 | Hydor Srl | Aeratore rotante per acquari |
| EP2821129A1 (en) * | 2013-07-05 | 2015-01-07 | Happihyrrä Oy | Apparatus for treatment of liquid |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1210781A (en) * | 1915-03-01 | 1917-01-02 | Alpheus Fay | Apparatus for operating upon composite substances. |
| US2072944A (en) * | 1934-12-21 | 1937-03-09 | Chicago Pump Co | Aerator |
| US2054395A (en) * | 1935-03-08 | 1936-09-15 | Underpinning & Foundation Comp | Apparatus for aerating sewage and the like |
| US2698745A (en) * | 1950-12-26 | 1955-01-04 | Howard Earl | Air cleaner |
| US3125614A (en) * | 1959-03-05 | 1964-03-17 | Figure | |
| DE1557138B2 (de) * | 1966-02-10 | 1973-08-23 | Metallgesellschaft AG, 6000 Frank fürt | Vorrichtung zum begasen von fluessigkeiten |
| US3416729A (en) * | 1966-08-12 | 1968-12-17 | Richards Of Rockford Inc | Liquid aerator |
-
1968
- 1968-01-04 DE DE1632423A patent/DE1632423B2/de active Pending
- 1968-12-31 FR FR1602010D patent/FR1602010A/fr not_active Expired
-
1969
- 1969-01-02 US US3559964D patent/US3559964A/en not_active Expired - Lifetime
- 1969-01-03 NL NL6900075A patent/NL137786C/xx active
- 1969-01-06 GB GB1253251D patent/GB1253251A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060603A1 (en) * | 1981-03-17 | 1982-09-22 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Stirrer, having substantially triangular, radial blades, rising towards the circumference |
| US4444510A (en) * | 1981-03-17 | 1984-04-24 | Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek | Stirrer, having substantially triangular, radial blades, rising toward the circumference |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1632423A1 (de) | 1969-10-23 |
| GB1253251A (es) | 1971-11-10 |
| FR1602010A (es) | 1970-09-28 |
| DE1632423B2 (de) | 1975-01-23 |
| NL6900075A (es) | 1969-07-08 |
| US3559964A (en) | 1971-02-02 |