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FR2372238A1 - Procede de traitement des boues rouges - Google Patents

Procede de traitement des boues rouges

Info

Publication number
FR2372238A1
FR2372238A1 FR7734886A FR7734886A FR2372238A1 FR 2372238 A1 FR2372238 A1 FR 2372238A1 FR 7734886 A FR7734886 A FR 7734886A FR 7734886 A FR7734886 A FR 7734886A FR 2372238 A1 FR2372238 A1 FR 2372238A1
Authority
FR
France
Prior art keywords
treatment process
sludge treatment
red sludge
separated
red mud
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
FR7734886A
Other languages
English (en)
Other versions
FR2372238B1 (fr
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.)
Forschungszentrum Juelich GmbH
Original Assignee
Kernforschungsanlage Juelich GmbH
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 Kernforschungsanlage Juelich GmbH filed Critical Kernforschungsanlage Juelich GmbH
Publication of FR2372238A1 publication Critical patent/FR2372238A1/fr
Application granted granted Critical
Publication of FR2372238B1 publication Critical patent/FR2372238B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/32—Thermal decomposition of sulfates including complex sulfates, e.g. alums
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/066—Treatment of the separated residue
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
    • C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
    • C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Treatment Of Sludge (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

a. Procédé de traitement des boues rouges. b. On attaque la boue rouge par de l'acide sulfurique, on sépare les sul ates ainsi formés, on précipite l'hydroxyde de titane, on le sépare et l'on sépare ensuite les uns des autres les précipités de sulfates formés. c. Industrie de l'aluminium.
FR7734886A 1976-11-26 1977-11-21 Procede de traitement des boues rouges Granted FR2372238A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2653762A DE2653762C3 (de) 1976-11-26 1976-11-26 Verfahren zur Aufarbeitung von Rotschlamm

Publications (2)

Publication Number Publication Date
FR2372238A1 true FR2372238A1 (fr) 1978-06-23
FR2372238B1 FR2372238B1 (fr) 1984-02-03

Family

ID=5994054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7734886A Granted FR2372238A1 (fr) 1976-11-26 1977-11-21 Procede de traitement des boues rouges

Country Status (4)

Country Link
DE (1) DE2653762C3 (fr)
FR (1) FR2372238A1 (fr)
GB (1) GB1538628A (fr)
HU (1) HU176986B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490011A1 (fr) * 1990-12-14 1992-06-17 Foret, S.A. Procédé de fabrication de zeolite 4A à partir de bauxite
EP1532077A1 (fr) * 2002-07-04 2005-05-25 Nauveau Technology Investments Ltd Procedes de traitement de dechets possedant un ph et/ou une alcalinite eleve(s)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6468483B2 (en) 2000-02-04 2002-10-22 Goldendale Aluminum Company Process for treating alumina-bearing ores to recover metal values therefrom
US6248302B1 (en) 2000-02-04 2001-06-19 Goldendale Aluminum Company Process for treating red mud to recover metal values therefrom
WO2002090605A1 (fr) * 2001-05-03 2002-11-14 Goldendale Aluminum Company Procede de digestion par l'acide permettant de traiter des minerais a teneur en alumine afin d'en retirer les metaux precieux

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402668A (en) * 1942-04-24 1946-06-25 Paul S Roller Purification of aluminum sulphate
US2551944A (en) * 1947-04-19 1951-05-08 Robert C Haff Method of recovering alumina from alumina-bearing ores
GB843607A (en) * 1955-12-16 1960-08-04 Strategic Udy Metallurgical & Chemical Processes Ltd Process for the separation of iron, aluminium and titanium values from materials containing them
DE1592104B2 (de) * 1965-02-06 1972-05-10 Gebrüder Giulini GmbH, 6700 Ludwigshafen Verfahren zur aufbereitung von rotschlamm
FR2108114A3 (fr) * 1970-09-30 1972-05-12 Norske Zinkkompani As
FR2242473A1 (fr) * 1973-08-31 1975-03-28 Lowenstein Hyman

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402668A (en) * 1942-04-24 1946-06-25 Paul S Roller Purification of aluminum sulphate
US2551944A (en) * 1947-04-19 1951-05-08 Robert C Haff Method of recovering alumina from alumina-bearing ores
GB843607A (en) * 1955-12-16 1960-08-04 Strategic Udy Metallurgical & Chemical Processes Ltd Process for the separation of iron, aluminium and titanium values from materials containing them
DE1592104B2 (de) * 1965-02-06 1972-05-10 Gebrüder Giulini GmbH, 6700 Ludwigshafen Verfahren zur aufbereitung von rotschlamm
FR2108114A3 (fr) * 1970-09-30 1972-05-12 Norske Zinkkompani As
FR2242473A1 (fr) * 1973-08-31 1975-03-28 Lowenstein Hyman

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1970 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490011A1 (fr) * 1990-12-14 1992-06-17 Foret, S.A. Procédé de fabrication de zeolite 4A à partir de bauxite
EP1532077A1 (fr) * 2002-07-04 2005-05-25 Nauveau Technology Investments Ltd Procedes de traitement de dechets possedant un ph et/ou une alcalinite eleve(s)
EP1532077A4 (fr) * 2002-07-04 2010-07-28 Nauveau Technology Invest Ltd Procedes de traitement de dechets possedant un ph et/ou une alcalinite eleve(s)

Also Published As

Publication number Publication date
DE2653762B2 (de) 1978-09-14
GB1538628A (en) 1979-01-24
DE2653762C3 (de) 1979-06-28
FR2372238B1 (fr) 1984-02-03
DE2653762A1 (de) 1978-06-08
HU176986B (hu) 1981-06-28

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Legal Events

Date Code Title Description
ST Notification of lapse