FR2683217B3 - Procede de traitement des effluents acides issus de la fabrication de pigments d'oxyde de titane selon un procede sulfurique. - Google Patents

Procede de traitement des effluents acides issus de la fabrication de pigments d'oxyde de titane selon un procede sulfurique.

Info

Publication number
FR2683217B3
FR2683217B3 FR9113669A FR9113669A FR2683217B3 FR 2683217 B3 FR2683217 B3 FR 2683217B3 FR 9113669 A FR9113669 A FR 9113669A FR 9113669 A FR9113669 A FR 9113669A FR 2683217 B3 FR2683217 B3 FR 2683217B3
Authority
FR
France
Prior art keywords
manufacture
treatment
titanium oxide
sulfuric
oxide pigments
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
FR9113669A
Other languages
English (en)
Other versions
FR2683217A1 (fr
Inventor
Papailhau Jean-Louis
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.)
PAPAILHAU JEAN LOUIS
Original Assignee
PAPAILHAU JEAN LOUIS
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 PAPAILHAU JEAN LOUIS filed Critical PAPAILHAU JEAN LOUIS
Priority to FR9113669A priority Critical patent/FR2683217B3/fr
Publication of FR2683217A1 publication Critical patent/FR2683217A1/fr
Application granted granted Critical
Publication of FR2683217B3 publication Critical patent/FR2683217B3/fr
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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G31/00—Compounds of vanadium
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/206—Manganese or manganese compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/14—Paint wastes
    • 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
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
FR9113669A 1991-11-06 1991-11-06 Procede de traitement des effluents acides issus de la fabrication de pigments d'oxyde de titane selon un procede sulfurique. Expired - Fee Related FR2683217B3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9113669A FR2683217B3 (fr) 1991-11-06 1991-11-06 Procede de traitement des effluents acides issus de la fabrication de pigments d'oxyde de titane selon un procede sulfurique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9113669A FR2683217B3 (fr) 1991-11-06 1991-11-06 Procede de traitement des effluents acides issus de la fabrication de pigments d'oxyde de titane selon un procede sulfurique.

Publications (2)

Publication Number Publication Date
FR2683217A1 FR2683217A1 (fr) 1993-05-07
FR2683217B3 true FR2683217B3 (fr) 1994-02-11

Family

ID=9418654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9113669A Expired - Fee Related FR2683217B3 (fr) 1991-11-06 1991-11-06 Procede de traitement des effluents acides issus de la fabrication de pigments d'oxyde de titane selon un procede sulfurique.

Country Status (1)

Country Link
FR (1) FR2683217B3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638515B1 (fr) * 1993-08-12 2000-04-05 Kerr-McGee Pigments GmbH & Co. KG Procédé pour valorisation d'acide dilué

Also Published As

Publication number Publication date
FR2683217A1 (fr) 1993-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse