IT1033802B - Dispositivo per far circolare e o aerare una massa liquida in particolare per il trattamento di acqua di rifiuto - Google Patents
Dispositivo per far circolare e o aerare una massa liquida in particolare per il trattamento di acqua di rifiutoInfo
- Publication number
- IT1033802B IT1033802B IT945275A IT945275A IT1033802B IT 1033802 B IT1033802 B IT 1033802B IT 945275 A IT945275 A IT 945275A IT 945275 A IT945275 A IT 945275A IT 1033802 B IT1033802 B IT 1033802B
- Authority
- IT
- Italy
- Prior art keywords
- aerating
- circulating
- treatment
- waste water
- liquid mass
- Prior art date
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
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
-
- 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
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
- B01F23/23342—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer the stirrer being of the centrifugal type, e.g. with a surrounding stator
-
- 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
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
- B01F23/23362—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced under the stirrer
-
- 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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH794174A CH572759A5 (it) | 1974-06-11 | 1974-06-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1033802B true IT1033802B (it) | 1979-08-10 |
Family
ID=4332723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT945275A IT1033802B (it) | 1974-06-11 | 1975-06-10 | Dispositivo per far circolare e o aerare una massa liquida in particolare per il trattamento di acqua di rifiuto |
Country Status (6)
Country | Link |
---|---|
US (1) | US4021349A (it) |
JP (1) | JPS5113156A (it) |
AT (1) | AT333675B (it) |
CH (1) | CH572759A5 (it) |
FR (1) | FR2274567A1 (it) |
IT (1) | IT1033802B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4290885A (en) * | 1977-12-22 | 1981-09-22 | Dochan Kwak | Aeration device |
CH639866A5 (de) * | 1978-07-24 | 1983-12-15 | Dagma Gmbh & Co | Vorrichtung zum impraegnieren von wasser mit kohlendioxyd. |
US4308137A (en) * | 1979-02-09 | 1981-12-29 | Freeman Peter A | Water aeration and circulation apparatus |
JPS56166993A (en) * | 1980-05-28 | 1981-12-22 | Kurita Water Ind Ltd | Aerator |
CH655533B (it) * | 1981-08-14 | 1986-04-30 | ||
CH666627A5 (de) * | 1983-06-10 | 1988-08-15 | Kaelin J R | Begasungsanlage sowie eine mit einer solchen versehene abwasserreinigungsanlage. |
CH666020A5 (de) * | 1983-12-07 | 1988-06-30 | Kaelin J R | Oberflaechenbelueftungskreisel sowie ein einen solchen enthaltendes abwasserbelueftungsbecken. |
DE3827659A1 (de) * | 1988-08-16 | 1990-03-15 | Gabor Klaus Dieter Dipl Ing | Verfahren zur physikalischen aufbereitung von medien - fluessiger bis duennbreiiger konsistenz - zur veraenderung physikalischer grundeigenschaften und aufbereitungsgeraet zur durchfuehrung des verfahrens |
US4943165A (en) * | 1989-06-16 | 1990-07-24 | United States Pollution Control Company, Inc. | Sludge stabilizing method and apparatus |
US5040900A (en) * | 1989-06-16 | 1991-08-20 | United States Pollution Control Company, Inc. | Sludge stabilizing method and apparatus |
US5248419A (en) * | 1989-09-01 | 1993-09-28 | Long Enterprises | Sewage sludge treatment with gas injection |
US4936983A (en) * | 1989-09-01 | 1990-06-26 | Long Enterprises, Inc. | Sewage sludge treatment with gas injection |
US5308159A (en) * | 1993-09-10 | 1994-05-03 | Excell Design & Construction Services, Inc. | Continuous flow mixer |
AUPQ503900A0 (en) * | 2000-01-11 | 2000-02-03 | Commonwealth Scientific And Industrial Research Organisation | Apparatus for mixing |
US6857774B2 (en) * | 2002-08-02 | 2005-02-22 | Five Star Technologies, Inc. | Devices for cavitational mixing and pumping and methods of using same |
US20040145068A1 (en) * | 2003-01-27 | 2004-07-29 | Bullock Donald C. | Method of transferring gas to a liquid by cavitation |
JP4987811B2 (ja) * | 2008-07-10 | 2012-07-25 | 株式会社日立プラントテクノロジー | 曝気攪拌機 |
DE102011017739A1 (de) * | 2011-04-28 | 2012-10-31 | Uwe Würdig | Verfahren und Vorrichtung zur Anreicherung einer Flüssigkeit mit Gas |
US10022688B2 (en) * | 2012-05-02 | 2018-07-17 | Keeton Industries | Combination submersible and floating aerator |
CN113998791B (zh) * | 2021-10-25 | 2023-04-18 | 吉林大学 | 一种潜水式曝气机 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3814395A (en) * | 1964-02-27 | 1974-06-04 | Kaelin J R | Aeration plant for clarifying sewage and waste effluents |
CH507164A (de) * | 1970-06-16 | 1971-05-15 | Kaelin J R | Einrichtung zum Begasen von Flüssigkeiten, insbesondere zum Belüften von zu klärenden Abwasser |
CH525704A (de) * | 1971-03-01 | 1972-07-31 | Kaelin J R | Belüftungseinrichtung für Flüssigkeiten und Verfahren zu deren Betrieb |
CH527773A (de) * | 1971-08-13 | 1972-09-15 | Kaelin J R | Verfahren zur Eintragung von Sauerstoff in eine zu klärende Flüssigkeit und Einrichtung zur Durchführung des Verfahrens |
CH529073A (de) * | 1971-09-02 | 1972-10-15 | Kaelin J R | Verfahren zur Eintragung und Umwälzung von Sauerstoff oder sauerstoffhaltigem Gas in eine zu klärende Flüssigkeit und Einrichtung zur Durchführung des Verfahrens |
US3852384A (en) * | 1972-07-21 | 1974-12-03 | Environmental Technology | Liquid treatment apparatus |
US3846516A (en) * | 1972-09-25 | 1974-11-05 | Rockwell International Corp | Aerator device and method |
-
1974
- 1974-06-11 CH CH794174A patent/CH572759A5/xx not_active IP Right Cessation
- 1974-11-14 AT AT911174A patent/AT333675B/de active
-
1975
- 1975-06-06 US US05/584,396 patent/US4021349A/en not_active Expired - Lifetime
- 1975-06-10 FR FR7518075A patent/FR2274567A1/fr active Granted
- 1975-06-10 IT IT945275A patent/IT1033802B/it active
- 1975-06-11 JP JP7068375A patent/JPS5113156A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2274567A1 (fr) | 1976-01-09 |
CH572759A5 (it) | 1976-02-27 |
JPS5113156A (it) | 1976-02-02 |
FR2274567B3 (it) | 1978-02-03 |
US4021349A (en) | 1977-05-03 |
DE2449623B2 (de) | 1977-03-17 |
AT333675B (de) | 1976-12-10 |
ATA911174A (de) | 1976-03-15 |
DE2449623A1 (de) | 1976-01-02 |
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