FR2372238B1 - - Google Patents

Info

Publication number
FR2372238B1
FR2372238B1 FR7734886A FR7734886A FR2372238B1 FR 2372238 B1 FR2372238 B1 FR 2372238B1 FR 7734886 A FR7734886 A FR 7734886A FR 7734886 A FR7734886 A FR 7734886A FR 2372238 B1 FR2372238 B1 FR 2372238B1
Authority
FR
France
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
Application number
FR7734886A
Other versions
FR2372238A1 (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)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Sludge (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
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 FR2372238A1 (fr) 1978-06-23
FR2372238B1 true 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)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490011B1 (fr) * 1990-12-14 1994-09-07 Foret, S.A. Procédé de fabrication de zeolite 4A à partir de bauxite
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
AUPS338102A0 (en) * 2002-07-04 2002-07-25 Nauveau Technology Investments Ltd Processes for the treatment of a waste material having a high ph and/or alkalinity

Family Cites Families (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
NL98812C (fr) * 1955-12-16 1900-01-01
DE1592104B2 (de) * 1965-02-06 1972-05-10 Gebrüder Giulini GmbH, 6700 Ludwigshafen Verfahren zur aufbereitung von rotschlamm
NO126679B (fr) * 1970-09-30 1973-03-12 Norske Zinkkompani As
ZA735996B (en) * 1973-08-31 1975-01-29 A Lowenstein Improvements in alumina production

Also Published As

Publication number Publication date
HU176986B (hu) 1981-06-28
GB1538628A (en) 1979-01-24
DE2653762C3 (de) 1979-06-28
DE2653762B2 (de) 1978-09-14
FR2372238A1 (fr) 1978-06-23
DE2653762A1 (de) 1978-06-08

Similar Documents

Publication Publication Date Title
FR2344226B1 (fr)
FI771184A (fr)
FR2364161B1 (fr)
FR2372238B1 (fr)
JPS564125B2 (fr)
JPS52160241U (fr)
JPS5293856U (fr)
JPS5433614Y2 (fr)
JPS52134400U (fr)
JPS52118399U (fr)
JPS52119717U (fr)
JPS5393772U (fr)
JPS52152310U (fr)
JPS52109249U (fr)
JPS52150425U (fr)
JPS5387541U (fr)
CH597294A5 (fr)
DD126649A2 (fr)
DD125946A1 (fr)
CH587468A5 (fr)
DD125610A1 (fr)
DD126481A1 (fr)
DD126077A1 (fr)
DD126222A1 (fr)
BG23123A1 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse