AT260876B - Verfahren zur Behandlung des als Rückstand der Bauxitverarbeitung gemäß dem Bayer-Verfahren erhaltenen Rotschlamms - Google Patents

Verfahren zur Behandlung des als Rückstand der Bauxitverarbeitung gemäß dem Bayer-Verfahren erhaltenen Rotschlamms

Info

Publication number
AT260876B
AT260876B AT825263A AT825263A AT260876B AT 260876 B AT260876 B AT 260876B AT 825263 A AT825263 A AT 825263A AT 825263 A AT825263 A AT 825263A AT 260876 B AT260876 B AT 260876B
Authority
AT
Austria
Prior art keywords
residue
treatment
processing according
red mud
mud obtained
Prior art date
Application number
AT825263A
Other languages
English (en)
Inventor
Umberto Colombo
Giuseppe Sironi
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Application granted granted Critical
Publication of AT260876B publication Critical patent/AT260876B/de

Links

Classifications

    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04—Working-up slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/006—Starting from ores containing non ferrous metallic oxides
    • 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
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • 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)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
AT825263A 1962-10-16 1963-10-15 Verfahren zur Behandlung des als Rückstand der Bauxitverarbeitung gemäß dem Bayer-Verfahren erhaltenen Rotschlamms AT260876B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2037362 1962-10-16

Publications (1)

Publication Number Publication Date
AT260876B true AT260876B (de) 1968-03-25

Family

ID=11166155

Family Applications (1)

Application Number Title Priority Date Filing Date
AT825263A AT260876B (de) 1962-10-16 1963-10-15 Verfahren zur Behandlung des als Rückstand der Bauxitverarbeitung gemäß dem Bayer-Verfahren erhaltenen Rotschlamms

Country Status (4)

Country Link
US (1) US3295961A (de)
AT (1) AT260876B (de)
DE (1) DE1433341A1 (de)
ES (1) ES292484A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983210A (en) * 1970-09-30 1976-09-28 Det Norske Zinkkompani A/S Process for separation of iron from metal sulphate solutions in hydrometallurgic processes
US3989513A (en) * 1972-06-06 1976-11-02 Magyar Aluminiumipari Troszt Method for the treatment of red mud
SE388875B (sv) * 1975-03-03 1976-10-18 Stora Kopparbergs Bergslags Ab Sett vid reduktion av finkornigt jernoxidhaltigt material i flyttbedd
US4678477A (en) * 1986-01-06 1987-07-07 Aluminum Company Of America Process for lowering level of contaminants in Bayer liquor by membrane filtration
US4786482A (en) * 1986-02-03 1988-11-22 Aluminum Company Of America Bayer process for producing aluminum hydroxide having improved whiteness
US6248302B1 (en) * 2000-02-04 2001-06-19 Goldendale Aluminum Company Process for treating red mud to recover metal values therefrom
US6468483B2 (en) 2000-02-04 2002-10-22 Goldendale Aluminum Company Process for treating alumina-bearing ores to recover metal values therefrom
RU2245371C2 (ru) * 2003-02-03 2005-01-27 Общество с ограниченной ответственностью Фирма "Дата-Центр" Способ переработки красного шлама глиноземного производства
WO2014014380A1 (ru) * 2012-07-20 2014-01-23 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ кислотной переработки красных шламов
CN117070691B (zh) * 2023-09-01 2025-08-05 中铝环保节能集团有限公司 一种赤泥负碳制备海绵铁的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954288A (en) * 1960-09-27 Ore beneficiahon
US2767073A (en) * 1953-06-08 1956-10-16 Charlton A Taylor Method and apparatus for reducing iron ores by counter-flowing reduction gases
US2932563A (en) * 1954-10-13 1960-04-12 Johannes Bernhard Hahn Process for reducing iron ores at low temperatures
US2921848A (en) * 1957-11-21 1960-01-19 United States Steel Corp Fluidized-bed reduction of ore
US2991172A (en) * 1959-10-26 1961-07-04 Hahn George Reduction of iron ores containing ferruginous clays
US3094378A (en) * 1961-09-13 1963-06-18 Neil H Wolf Process for leaching of alumina from aluminous material
US3190744A (en) * 1963-01-09 1965-06-22 Northern Natural Gas Co Process for magnetic reduction of iron ore
US3211524A (en) * 1964-01-29 1965-10-12 Little Inc A Process for treating ferruginous aluminum-bearing ores

Also Published As

Publication number Publication date
ES292484A1 (es) 1964-03-16
DE1433341A1 (de) 1969-02-27
US3295961A (en) 1967-01-03

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