FR2432998A1 - Nouvel agent floculant a base de fer pour le traitement des eaux residuaires et des boues et procede de traitement desdites eaux residuaires et desdites boues - Google Patents

Nouvel agent floculant a base de fer pour le traitement des eaux residuaires et des boues et procede de traitement desdites eaux residuaires et desdites boues

Info

Publication number
FR2432998A1
FR2432998A1 FR7823215A FR7823215A FR2432998A1 FR 2432998 A1 FR2432998 A1 FR 2432998A1 FR 7823215 A FR7823215 A FR 7823215A FR 7823215 A FR7823215 A FR 7823215A FR 2432998 A1 FR2432998 A1 FR 2432998A1
Authority
FR
France
Prior art keywords
salt
sludges
additive
waste waters
contains soluble
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
FR7823215A
Other languages
English (en)
Other versions
FR2432998B1 (fr
Inventor
Francois Meiller
De Yannick Le Du
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries 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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Priority to FR7823215A priority Critical patent/FR2432998A1/fr
Publication of FR2432998A1 publication Critical patent/FR2432998A1/fr
Application granted granted Critical
Publication of FR2432998B1 publication Critical patent/FR2432998B1/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
    • 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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)

Abstract

L'Invention concerne un floculant à base de fer pour la purification des eaux résiduaires ou des boues et un procédé pour leur traitement Le floculant comprend du fer notamment sous forme d'au moins un composé du groupe FeCl3 , Fe(SO4 )Cl, FeSO4 et Fe2 (SO4 )3 et au moins un additif constitué par un sel soluble dans le milieu, essentiellement d'un métal du groupe IIa de la classification périodique, de l'aluminium, du zinc, du cuivre et du manganèse. Application à un procédé perfectionné de purification des eaux ou des boues résiduaires, ménagères ou industrielles.
FR7823215A 1978-08-07 1978-08-07 Nouvel agent floculant a base de fer pour le traitement des eaux residuaires et des boues et procede de traitement desdites eaux residuaires et desdites boues Granted FR2432998A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7823215A FR2432998A1 (fr) 1978-08-07 1978-08-07 Nouvel agent floculant a base de fer pour le traitement des eaux residuaires et des boues et procede de traitement desdites eaux residuaires et desdites boues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7823215A FR2432998A1 (fr) 1978-08-07 1978-08-07 Nouvel agent floculant a base de fer pour le traitement des eaux residuaires et des boues et procede de traitement desdites eaux residuaires et desdites boues

Publications (2)

Publication Number Publication Date
FR2432998A1 true FR2432998A1 (fr) 1980-03-07
FR2432998B1 FR2432998B1 (fr) 1981-07-03

Family

ID=9211649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7823215A Granted FR2432998A1 (fr) 1978-08-07 1978-08-07 Nouvel agent floculant a base de fer pour le traitement des eaux residuaires et des boues et procede de traitement desdites eaux residuaires et desdites boues

Country Status (1)

Country Link
FR (1) FR2432998A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009055387A1 (de) * 2009-12-29 2011-06-30 Yara International Asa Abwasserbehandlungsmittel mit oxidativer Wirkung und Verfahren zur Behandlung von Abwasser

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2223402A1 (de) * 1971-05-17 1972-11-30 Mitsubishi Heavy Ind Ltd Verfahren zum Behandeln von Abwasser
GB1512022A (en) * 1976-08-05 1978-05-24 Hemlab Ag Flocculating agents for water treatment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2223402A1 (de) * 1971-05-17 1972-11-30 Mitsubishi Heavy Ind Ltd Verfahren zum Behandeln von Abwasser
GB1512022A (en) * 1976-08-05 1978-05-24 Hemlab Ag Flocculating agents for water treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009055387A1 (de) * 2009-12-29 2011-06-30 Yara International Asa Abwasserbehandlungsmittel mit oxidativer Wirkung und Verfahren zur Behandlung von Abwasser

Also Published As

Publication number Publication date
FR2432998B1 (fr) 1981-07-03

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Legal Events

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ST Notification of lapse