NL7215871A - - Google Patents
Info
- Publication number
- NL7215871A NL7215871A NL7215871A NL7215871A NL7215871A NL 7215871 A NL7215871 A NL 7215871A NL 7215871 A NL7215871 A NL 7215871A NL 7215871 A NL7215871 A NL 7215871A NL 7215871 A NL7215871 A NL 7215871A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1704571A CH531468A (en) | 1971-11-23 | 1971-11-23 | Surface ventilation gyroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7215871A true NL7215871A (en) | 1973-05-25 |
Family
ID=4422326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7215871A NL7215871A (en) | 1971-11-23 | 1972-11-23 |
Country Status (23)
| Country | Link |
|---|---|
| JP (1) | JPS5548879B2 (en) |
| AT (1) | AT308655B (en) |
| AU (1) | AU472406B2 (en) |
| BE (1) | BE791671A (en) |
| BG (1) | BG19119A3 (en) |
| CA (1) | CA979124A (en) |
| CH (1) | CH531468A (en) |
| CS (1) | CS168011B2 (en) |
| DD (1) | DD100230A5 (en) |
| DE (1) | DE2163100B2 (en) |
| ES (1) | ES408881A1 (en) |
| FR (1) | FR2160922B1 (en) |
| GB (1) | GB1403766A (en) |
| HU (1) | HU166247B (en) |
| IE (1) | IE37190B1 (en) |
| IL (1) | IL40885A (en) |
| IT (1) | IT969208B (en) |
| LU (1) | LU66515A1 (en) |
| NL (1) | NL7215871A (en) |
| NO (1) | NO133324C (en) |
| PL (1) | PL78763B1 (en) |
| RO (1) | RO60379A (en) |
| ZA (1) | ZA728240B (en) |
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 (en) * | 1976-07-06 | 1978-01-21 | ||
| DE4221845C2 (en) * | 1992-07-03 | 1996-02-22 | Sondia Holding Ag | Process for aerating liquid, surface aeration gyro to carry out the method and use of the surface aeration gyro |
| CH685761A5 (en) * | 1992-07-03 | 1995-09-29 | Sondia Holding Ag | A method for aerating liquid surface aeration gyro for performing the method and use of the surface aeration gyro. |
| 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/en unknown
-
1971
- 1971-11-23 CH CH1704571A patent/CH531468A/en not_active IP Right Cessation
- 1971-12-18 DE DE2163100A patent/DE2163100B2/en active Granted
- 1971-12-20 AT AT1089271A patent/AT308655B/en 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 FR FR7241343A patent/FR2160922B1/fr not_active Expired
- 1972-11-21 PL PL1972159012A patent/PL78763B1/pl unknown
- 1972-11-21 CA CA157,360A patent/CA979124A/en not_active Expired
- 1972-11-21 NO NO425672A patent/NO133324C/no unknown
- 1972-11-21 GB GB5367972A patent/GB1403766A/en not_active Expired
- 1972-11-21 ZA ZA728240A patent/ZA728240B/en unknown
- 1972-11-21 IL IL4088572A patent/IL40885A/en unknown
- 1972-11-22 JP JP11763072A patent/JPS5548879B2/ja not_active Expired
- 1972-11-22 LU LU66515D patent/LU66515A1/xx unknown
- 1972-11-22 ES ES408881A patent/ES408881A1/en not_active Expired
- 1972-11-22 IT IT976672A patent/IT969208B/en active
- 1972-11-22 RO RO7289172A patent/RO60379A/ro unknown
- 1972-11-22 IE IE1625/72A patent/IE37190B1/en unknown
- 1972-11-22 AU AU49115/72A patent/AU472406B2/en not_active Expired
- 1972-11-22 BG BG2193272A patent/BG19119A3/xx unknown
- 1972-11-22 DD DD16702072A patent/DD100230A5/xx unknown
- 1972-11-23 NL NL7215871A patent/NL7215871A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL40885A0 (en) | 1973-01-30 |
| IE37190B1 (en) | 1977-05-25 |
| CS168011B2 (en) | 1976-05-28 |
| BG19119A3 (en) | 1975-04-30 |
| CH531468A (en) | 1972-12-15 |
| ZA728240B (en) | 1973-07-25 |
| FR2160922B1 (en) | 1978-03-03 |
| PL78763B1 (en) | 1975-06-30 |
| DD100230A5 (en) | 1973-09-12 |
| BE791671A (en) | 1973-03-16 |
| AU472406B2 (en) | 1976-05-27 |
| JPS4863554A (en) | 1973-09-04 |
| IT969208B (en) | 1974-03-30 |
| IE37190L (en) | 1973-05-23 |
| AU4911572A (en) | 1974-05-23 |
| IL40885A (en) | 1975-07-28 |
| NO133324B (en) | 1976-01-05 |
| FR2160922A1 (en) | 1973-07-06 |
| DE2163100B2 (en) | 1975-09-11 |
| ES408881A1 (en) | 1975-10-01 |
| DE2163100A1 (en) | 1973-05-24 |
| RO60379A (en) | 1976-05-15 |
| GB1403766A (en) | 1975-08-28 |
| HU166247B (en) | 1975-02-28 |
| LU66515A1 (en) | 1973-02-01 |
| JPS5548879B2 (en) | 1980-12-09 |
| NO133324C (en) | 1976-04-12 |
| AT308655B (en) | 1973-07-10 |
| CA979124A (en) | 1975-12-02 |