BE690467A - - Google Patents
Info
- Publication number
- BE690467A BE690467A BE690467DA BE690467A BE 690467 A BE690467 A BE 690467A BE 690467D A BE690467D A BE 690467DA BE 690467 A BE690467 A BE 690467A
- Authority
- BE
- Belgium
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
- C02F3/006—Regulation methods for biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0166—Control of flow without auxiliary power the sensing element being a float or a ball placed outside the flow path to be controlled
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Domestic Plumbing Installations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR69125A FR1494855A (en) | 1966-07-12 | 1966-07-12 | Recirculation device for wastewater treatment plant |
Publications (1)
Publication Number | Publication Date |
---|---|
BE690467A true BE690467A (en) | 1967-05-30 |
Family
ID=8613076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE690467D BE690467A (en) | 1966-07-12 | 1966-11-30 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE690467A (en) |
ES (1) | ES335299A1 (en) |
FR (1) | FR1494855A (en) |
LU (1) | LU52488A1 (en) |
-
1966
- 1966-07-12 FR FR69125A patent/FR1494855A/en not_active Expired
- 1966-11-30 BE BE690467D patent/BE690467A/xx unknown
- 1966-12-01 LU LU52488D patent/LU52488A1/xx unknown
-
1967
- 1967-01-05 ES ES0335299A patent/ES335299A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
LU52488A1 (en) | 1967-02-01 |
FR1494855A (en) | 1967-09-15 |
ES335299A1 (en) | 1967-12-01 |