FR2125419B1 - - Google Patents
Info
- Publication number
- FR2125419B1 FR2125419B1 FR7204734A FR7204734A FR2125419B1 FR 2125419 B1 FR2125419 B1 FR 2125419B1 FR 7204734 A FR7204734 A FR 7204734A FR 7204734 A FR7204734 A FR 7204734A FR 2125419 B1 FR2125419 B1 FR 2125419B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
- B01D21/32—Density control of clear liquid or sediment, e.g. optical control ; Control of physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- 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
- C02F2209/005—Processes using a programmable logic controller [PLC]
- C02F2209/006—Processes using a programmable logic controller [PLC] comprising a software program or a logic diagram
-
- 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
- C02F2209/11—Turbidity
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH211071A CH516329A (de) | 1971-02-12 | 1971-02-12 | Verfahren zum Abscheiden der Schwebeteilchen aus einer Trübe, bei welchem der Trübe ein Flockungsmittel zugesetzt wird |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2125419A1 FR2125419A1 (en) | 1972-09-29 |
| FR2125419B1 true FR2125419B1 (enExample) | 1975-03-21 |
Family
ID=4226099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7204734A Granted FR2125419A1 (en) | 1971-02-12 | 1972-02-11 | Flocculating agent dose regulation - using clarity of samples as parameter for varying dosing rate |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH516329A (enExample) |
| DE (1) | DE2162391A1 (enExample) |
| FR (1) | FR2125419A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20105813A0 (fi) * | 2010-07-20 | 2010-07-20 | Kemira Oyj | Menetelmä ja järjestelmä vesipitoisen virran ominaisuuksien monitoroimiseksi |
| FI20105814A0 (fi) * | 2010-07-20 | 2010-07-20 | Kemira Oyj | Menetelmä ja järjestelmä vesipitoisten virtojen käsittelemiseksi |
| US9562861B2 (en) * | 2011-04-05 | 2017-02-07 | Nalco Company | Method of monitoring macrostickies in a recycling and paper or tissue making process involving recycled pulp |
| GB2552989B (en) * | 2016-08-18 | 2019-07-10 | Cdenviro Ltd | Test apparatus for a waste water treatment system |
| GB2577925B (en) * | 2018-10-11 | 2023-02-15 | Cde Global Ltd | Method of controlling the dosage of a flocculating agent |
| CN110054273A (zh) * | 2019-05-06 | 2019-07-26 | 象山泛海环保科技有限责任公司 | 一种发电厂含煤废水自动处理设备 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2294697A (en) * | 1938-05-13 | 1942-09-01 | John J Seip | Clarification and decoloration of liquids |
| US3441956A (en) * | 1967-01-23 | 1969-04-29 | Willard Farnham | Liquid treatment method and apparatus |
| FR1548562A (enExample) * | 1967-10-24 | 1968-12-06 | ||
| DE1817105A1 (de) * | 1968-12-27 | 1970-07-16 | Forsch Die Gaerungsindustrie E | Dosiervorrichtung fuer Suspensionen,insbesondere fuer Filterhilfsmittel,in Abhaengigkeit vom Truebungsgrad der zu behandelnden Medien |
| FR2056080A5 (enExample) * | 1969-08-29 | 1971-05-14 | Degremont Epuration |
-
1971
- 1971-02-12 CH CH211071A patent/CH516329A/de not_active IP Right Cessation
- 1971-12-16 DE DE19712162391 patent/DE2162391A1/de active Pending
-
1972
- 1972-02-11 FR FR7204734A patent/FR2125419A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2162391A1 (de) | 1972-08-24 |
| CH516329A (de) | 1971-12-15 |
| FR2125419A1 (en) | 1972-09-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |