FR2377830A1 - Procede de traitement d'eaux huileuses - Google Patents
Procede de traitement d'eaux huileusesInfo
- Publication number
- FR2377830A1 FR2377830A1 FR7701962A FR7701962A FR2377830A1 FR 2377830 A1 FR2377830 A1 FR 2377830A1 FR 7701962 A FR7701962 A FR 7701962A FR 7701962 A FR7701962 A FR 7701962A FR 2377830 A1 FR2377830 A1 FR 2377830A1
- Authority
- FR
- France
- Prior art keywords
- filter system
- polyelectrolyte
- backwash water
- water
- flotation
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0205—Separation of non-miscible liquids by gas bubbles or moving solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/047—Breaking emulsions with separation aids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/08—Thickening liquid suspensions by filtration
-
- 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
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
Procédé de traitement d'eaux huileuses par passage de ces eaux, après prétraitement, successivement sur au moins un filtre à remplissage de matériau granulaire et au moins un filtre biologique, caractérisé en ce que les eaux de lavage du ou des filtres à matériau granulaire et du ou des filtres biologiques, additionnées en au moins un point d'au moins un polyélectrolyte sont traitées par flottation avant recyclage en tête du traitement
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7701962A FR2377830A1 (fr) | 1977-01-25 | 1977-01-25 | Procede de traitement d'eaux huileuses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7701962A FR2377830A1 (fr) | 1977-01-25 | 1977-01-25 | Procede de traitement d'eaux huileuses |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2377830A1 true FR2377830A1 (fr) | 1978-08-18 |
FR2377830B1 FR2377830B1 (fr) | 1981-04-30 |
Family
ID=9185851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7701962A Granted FR2377830A1 (fr) | 1977-01-25 | 1977-01-25 | Procede de traitement d'eaux huileuses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2377830A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0019552A1 (fr) * | 1979-05-15 | 1980-11-26 | COMPAGNIE FRANCAISE DE RAFFINAGE Société anonyme dite: | Procédé d'épuration d'eaux résiduaires et/ou industrielles contenant des hydrocarbures |
CN103588324A (zh) * | 2013-11-16 | 2014-02-19 | 康乃尔化学工业股份有限公司 | 全流过滤超滤反洗水回收工艺 |
-
1977
- 1977-01-25 FR FR7701962A patent/FR2377830A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0019552A1 (fr) * | 1979-05-15 | 1980-11-26 | COMPAGNIE FRANCAISE DE RAFFINAGE Société anonyme dite: | Procédé d'épuration d'eaux résiduaires et/ou industrielles contenant des hydrocarbures |
CN103588324A (zh) * | 2013-11-16 | 2014-02-19 | 康乃尔化学工业股份有限公司 | 全流过滤超滤反洗水回收工艺 |
Also Published As
Publication number | Publication date |
---|---|
FR2377830B1 (fr) | 1981-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |