FR2698348B1 - Process for the purification of a polluted aqueous effluent. - Google Patents

Process for the purification of a polluted aqueous effluent.

Info

Publication number
FR2698348B1
FR2698348B1 FR9214002A FR9214002A FR2698348B1 FR 2698348 B1 FR2698348 B1 FR 2698348B1 FR 9214002 A FR9214002 A FR 9214002A FR 9214002 A FR9214002 A FR 9214002A FR 2698348 B1 FR2698348 B1 FR 2698348B1
Authority
FR
France
Prior art keywords
purification
aqueous effluent
polluted aqueous
polluted
effluent
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.)
Expired - Fee Related
Application number
FR9214002A
Other languages
French (fr)
Other versions
FR2698348A1 (en
Inventor
Jean-Pierre Letourneux
Jean-Paul Laurent
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.)
Imerys Aluminates SA
Original Assignee
Lafarge Fondu International 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 Lafarge Fondu International SA filed Critical Lafarge Fondu International SA
Priority to FR9214002A priority Critical patent/FR2698348B1/en
Priority to US08/087,096 priority patent/US5443730A/en
Publication of FR2698348A1 publication Critical patent/FR2698348A1/en
Application granted granted Critical
Publication of FR2698348B1 publication Critical patent/FR2698348B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FR9214002A 1991-01-08 1992-11-20 Process for the purification of a polluted aqueous effluent. Expired - Fee Related FR2698348B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9214002A FR2698348B1 (en) 1992-11-20 1992-11-20 Process for the purification of a polluted aqueous effluent.
US08/087,096 US5443730A (en) 1991-01-08 1993-07-07 Process for the purification of a polluted aqueous effluent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9214002A FR2698348B1 (en) 1992-11-20 1992-11-20 Process for the purification of a polluted aqueous effluent.

Publications (2)

Publication Number Publication Date
FR2698348A1 FR2698348A1 (en) 1994-05-27
FR2698348B1 true FR2698348B1 (en) 1995-02-17

Family

ID=9435764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9214002A Expired - Fee Related FR2698348B1 (en) 1991-01-08 1992-11-20 Process for the purification of a polluted aqueous effluent.

Country Status (1)

Country Link
FR (1) FR2698348B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517665A1 (en) * 1975-04-22 1976-11-11 Heidelberg Portland Zement Purifying waste waters contg. lignin - by adding hydraulically setting calcium aluminate and or calcium aluminate ferrite
JPS5835112B2 (en) * 1978-03-08 1983-07-30 工業技術院長 Method for treating wastewater containing polyvinyl alcohol and/or starch
DE3709950C2 (en) * 1987-03-26 1996-06-05 Walhalla Kalk Entwicklungs Und Process for the treatment of waste water containing sulfate
DE4005469A1 (en) * 1990-02-21 1991-08-22 Linde Ag Removing sulphate from waste water - by pptn. with aluminium salt and lime, esp. for treating water from gas desulphurisation units
EP0518379A3 (en) * 1991-06-13 1993-06-30 Kalkwerke H. Oetelshofen Gmbh & Co. Process for the removal of organic and inorganic toxic products from gaseous liquid and/or solid materials

Also Published As

Publication number Publication date
FR2698348A1 (en) 1994-05-27

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Legal Events

Date Code Title Description
ST Notification of lapse
CA Change of address
CD Change of name or company name