ZA728240B - Surface ventilation rotor - Google Patents
Surface ventilation rotorInfo
- Publication number
- ZA728240B ZA728240B ZA728240A ZA728240A ZA728240B ZA 728240 B ZA728240 B ZA 728240B ZA 728240 A ZA728240 A ZA 728240A ZA 728240 A ZA728240 A ZA 728240A ZA 728240 B ZA728240 B ZA 728240B
- Authority
- ZA
- South Africa
- Prior art keywords
- surface ventilation
- ventilation rotor
- rotor
- ventilation
- 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
- C02F3/14—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
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Knives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1704571A CH531468A (de) | 1971-11-23 | 1971-11-23 | Oberflächenbelüftungskreisel |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA728240B true ZA728240B (en) | 1973-07-25 |
Family
ID=4422326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA728240A ZA728240B (en) | 1971-11-23 | 1972-11-21 | Surface ventilation rotor |
Country Status (23)
Country | Link |
---|---|
JP (1) | JPS5548879B2 (fr) |
AT (1) | AT308655B (fr) |
AU (1) | AU472406B2 (fr) |
BE (1) | BE791671A (fr) |
BG (1) | BG19119A3 (fr) |
CA (1) | CA979124A (fr) |
CH (1) | CH531468A (fr) |
CS (1) | CS168011B2 (fr) |
DD (1) | DD100230A5 (fr) |
DE (1) | DE2163100B2 (fr) |
ES (1) | ES408881A1 (fr) |
FR (1) | FR2160922B1 (fr) |
GB (1) | GB1403766A (fr) |
HU (1) | HU166247B (fr) |
IE (1) | IE37190B1 (fr) |
IL (1) | IL40885A (fr) |
IT (1) | IT969208B (fr) |
LU (1) | LU66515A1 (fr) |
NL (1) | NL7215871A (fr) |
NO (1) | NO133324C (fr) |
PL (1) | PL78763B1 (fr) |
RO (1) | RO60379A (fr) |
ZA (1) | ZA728240B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1502742A (en) * | 1976-01-10 | 1978-03-01 | Hartley Simon Ltd | Rotary surface aerators |
JPS536899U (fr) * | 1976-07-06 | 1978-01-21 | ||
DE4221845C2 (de) * | 1992-07-03 | 1996-02-22 | Sondia Holding Ag | Verfahren zum Belüften von Flüssigkeit, Oberflächenbelüftungskreisel zur Durchführung des Verfahrens und Verwendung des Oberflächenbelüftungskreisels |
CH685761A5 (de) * | 1992-07-03 | 1995-09-29 | Sondia Holding Ag | Verfahren zum Belüften von Flüssigkeit, Oberflächenbelüftungskreisel zur Durchführung des Verfahrens und Verwendung des Oberflächenbelüftungskreisels. |
US20090117672A1 (en) * | 2007-10-01 | 2009-05-07 | Intematix Corporation | Light emitting devices with phosphor wavelength conversion and methods of fabrication thereof |
-
0
- BE BE791671D patent/BE791671A/fr unknown
-
1971
- 1971-11-23 CH CH1704571A patent/CH531468A/de not_active IP Right Cessation
- 1971-12-18 DE DE2163100A patent/DE2163100B2/de active Granted
- 1971-12-20 AT AT1089271A patent/AT308655B/de not_active IP Right Cessation
-
1972
- 1972-11-17 HU HUKA001360 patent/HU166247B/hu unknown
- 1972-11-20 CS CS783772A patent/CS168011B2/cs unknown
- 1972-11-21 IL IL4088572A patent/IL40885A/xx unknown
- 1972-11-21 FR FR7241343A patent/FR2160922B1/fr not_active Expired
- 1972-11-21 NO NO425672A patent/NO133324C/no unknown
- 1972-11-21 CA CA157,360A patent/CA979124A/en not_active Expired
- 1972-11-21 ZA ZA728240A patent/ZA728240B/xx unknown
- 1972-11-21 PL PL1972159012A patent/PL78763B1/pl unknown
- 1972-11-21 GB GB5367972A patent/GB1403766A/en not_active Expired
- 1972-11-22 DD DD16702072A patent/DD100230A5/xx unknown
- 1972-11-22 RO RO7289172A patent/RO60379A/ro unknown
- 1972-11-22 IE IE1625/72A patent/IE37190B1/xx unknown
- 1972-11-22 JP JP11763072A patent/JPS5548879B2/ja not_active Expired
- 1972-11-22 BG BG021932A patent/BG19119A3/xx unknown
- 1972-11-22 IT IT976672A patent/IT969208B/it active
- 1972-11-22 ES ES408881A patent/ES408881A1/es not_active Expired
- 1972-11-22 AU AU49115/72A patent/AU472406B2/en not_active Expired
- 1972-11-22 LU LU66515D patent/LU66515A1/xx unknown
- 1972-11-23 NL NL7215871A patent/NL7215871A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PL78763B1 (fr) | 1975-06-30 |
FR2160922B1 (fr) | 1978-03-03 |
GB1403766A (en) | 1975-08-28 |
RO60379A (fr) | 1976-05-15 |
HU166247B (fr) | 1975-02-28 |
DE2163100A1 (de) | 1973-05-24 |
LU66515A1 (fr) | 1973-02-01 |
BG19119A3 (bg) | 1975-04-30 |
IL40885A0 (en) | 1973-01-30 |
CH531468A (de) | 1972-12-15 |
ES408881A1 (es) | 1975-10-01 |
NO133324B (fr) | 1976-01-05 |
DD100230A5 (fr) | 1973-09-12 |
AU4911572A (en) | 1974-05-23 |
AT308655B (de) | 1973-07-10 |
DE2163100B2 (de) | 1975-09-11 |
CA979124A (en) | 1975-12-02 |
IE37190L (en) | 1973-05-23 |
NL7215871A (fr) | 1973-05-25 |
JPS4863554A (fr) | 1973-09-04 |
NO133324C (fr) | 1976-04-12 |
IL40885A (en) | 1975-07-28 |
CS168011B2 (fr) | 1976-05-28 |
AU472406B2 (en) | 1976-05-27 |
IE37190B1 (en) | 1977-05-25 |
IT969208B (it) | 1974-03-30 |
BE791671A (fr) | 1973-03-16 |
JPS5548879B2 (fr) | 1980-12-09 |
FR2160922A1 (fr) | 1973-07-06 |
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