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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR69125A FR1494855A (fr) | 1966-07-12 | 1966-07-12 | Dispositif de recirculation pour installation d'épuration d'eaux usées |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE690467A true BE690467A (no) | 1967-05-30 |
Family
ID=8613076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE690467D BE690467A (no) | 1966-07-12 | 1966-11-30 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE690467A (no) |
| ES (1) | ES335299A1 (no) |
| FR (1) | FR1494855A (no) |
| LU (1) | LU52488A1 (no) |
-
1966
- 1966-07-12 FR FR69125A patent/FR1494855A/fr 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/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES335299A1 (es) | 1967-12-01 |
| FR1494855A (fr) | 1967-09-15 |
| LU52488A1 (no) | 1967-02-01 |