FR2377830A1 - Procede de traitement d'eaux huileuses - Google Patents

Procede de traitement d'eaux huileuses

Info

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
Application number
FR7701962A
Other languages
English (en)
French (fr)
Other versions
FR2377830B1 (en, 2012
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suez International SAS
Original Assignee
Degremont SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Degremont SA filed Critical Degremont SA
Priority to FR7701962A priority Critical patent/FR2377830A1/fr
Publication of FR2377830A1 publication Critical patent/FR2377830A1/fr
Application granted granted Critical
Publication of FR2377830B1 publication Critical patent/FR2377830B1/fr
Granted legal-status Critical Current

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)
FR7701962A 1977-01-25 1977-01-25 Procede de traitement d'eaux huileuses Granted FR2377830A1 (fr)

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 (en, 2012) 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 (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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 (en, 2012) 1981-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse