FI44787B - - Google Patents
Info
- Publication number
- FI44787B FI44787B FI292068A FI292068A FI44787B FI 44787 B FI44787 B FI 44787B FI 292068 A FI292068 A FI 292068A FI 292068 A FI292068 A FI 292068A FI 44787 B FI44787 B FI 44787B
- 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
- C02F3/14—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)
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1434567A SE331066B (fi) | 1967-10-19 | 1967-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI44787B true FI44787B (fi) | 1971-08-31 |
FI44787C FI44787C (fi) | 1971-12-10 |
Family
ID=20298945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI292068A FI44787C (fi) | 1967-10-19 | 1968-10-15 | Pintaturpiini-ilmastuslaite vedenpuhdistusta varten. |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH472341A (fi) |
DE (1) | DE1803940A1 (fi) |
DK (1) | DK131182B (fi) |
FI (1) | FI44787C (fi) |
FR (1) | FR1592584A (fi) |
GB (1) | GB1210135A (fi) |
SE (1) | SE331066B (fi) |
-
1967
- 1967-10-19 SE SE1434567A patent/SE331066B/xx unknown
-
1968
- 1968-10-14 FR FR1592584D patent/FR1592584A/fr not_active Expired
- 1968-10-15 FI FI292068A patent/FI44787C/fi active
- 1968-10-16 CH CH1547068A patent/CH472341A/de not_active IP Right Cessation
- 1968-10-17 GB GB4926768A patent/GB1210135A/en not_active Expired
- 1968-10-18 DE DE19681803940 patent/DE1803940A1/de active Pending
- 1968-10-18 DK DK505268A patent/DK131182B/da unknown
Also Published As
Publication number | Publication date |
---|---|
FR1592584A (fi) | 1970-05-19 |
DK131182B (da) | 1975-06-09 |
CH472341A (de) | 1969-05-15 |
SE331066B (fi) | 1970-12-07 |
DK131182C (fi) | 1975-11-10 |
FI44787C (fi) | 1971-12-10 |
DE1803940A1 (de) | 1969-05-14 |
GB1210135A (en) | 1970-10-28 |