AT241425B - 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
AT241425B
AT241425B AT829662A AT829662A AT241425B AT 241425 B AT241425 B AT 241425B AT 829662 A AT829662 A AT 829662A AT 829662 A AT829662 A AT 829662A AT 241425 B AT241425 B AT 241425B
Authority
AT
Austria
Prior art keywords
residue
treatment
processing according
red mud
mud obtained
Prior art date
Application number
AT829662A
Other languages
English (en)
Inventor
Umberto Colombo
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 AT241425B publication Critical patent/AT241425B/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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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
    • 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
    • C01F7/08—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals with sodium carbonate, e.g. sinter processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/08—Ferroso-ferric oxide [Fe3O4]
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Iron (AREA)
AT829662A 1961-10-24 1962-10-22 Verfahren zur Behandlung des als Rückstand der Bauxitverarbeitung gemäß dem Bayer-Verfahren erhaltenen Rotschlamms AT241425B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1925361 1961-10-24

Publications (1)

Publication Number Publication Date
AT241425B true AT241425B (de) 1965-07-26

Family

ID=11156143

Family Applications (1)

Application Number Title Priority Date Filing Date
AT829662A AT241425B (de) 1961-10-24 1962-10-22 Verfahren zur Behandlung des als Rückstand der Bauxitverarbeitung gemäß dem Bayer-Verfahren erhaltenen Rotschlamms

Country Status (5)

Country Link
US (1) US3295924A (de)
AT (1) AT241425B (de)
CH (1) CH431582A (de)
ES (1) ES282047A1 (de)
GB (1) GB990403A (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440005A (en) * 1965-06-21 1969-04-22 Reynolds Metals Co Process for removing chromium and silicon values from aluminate solutions
US3860514A (en) * 1970-09-21 1975-01-14 Ethyl Corp Method of beneficiating alumina-silica ores
HU162284B (de) * 1971-04-17 1973-01-29
US3982929A (en) * 1973-02-09 1976-09-28 Esm, Inc. Composition for a fluidizing flux in the production of iron and steel
US3985567A (en) * 1974-09-18 1976-10-12 University Of Guyana Method of treating bauxite waste red mud with acid and making construction bricks from the treated material
US4119698A (en) * 1976-11-26 1978-10-10 Kernforschungsanlage Julich, Gesellschaft Mit Beschrankter Haftung Reclamation treatment of red mud
BR7800585A (pt) * 1978-01-31 1979-08-21 Vale Do Rio Doce Co Processo de obtencao de concentrados mecanicos de anatasio
HU193413B (en) * 1983-08-04 1987-10-28 Magyar Asvanyolaj Es Foeldgaz Process for separating iron from bauxite and for producing iron-penta-carbonyl
US4810368A (en) * 1985-04-10 1989-03-07 Electro Minerals (Canada) Inc. Automatic method for separating and cleaning silicon carbide furnace materials
US4686032A (en) * 1985-04-10 1987-08-11 Electro Minerals (Canada), Inc. Automatic method for separating and cleaning silicon carbide furnace materials
HU209326B (en) * 1987-07-31 1994-04-28 Aquatech Trade Kft Method for multistage wasteless processing of red sludge and extracting chemical base materials from it
US5931772A (en) * 1995-10-31 1999-08-03 Kaiser Aluminum & Chemical Corp. Use of spent bauxite as an absorbent or solidification agent
BR0304443B1 (pt) * 2003-10-28 2012-08-21 processo para obtenção de concentrados de titánio com elevado teor de tio2 e baixo teor de radionuclìdeos a partir de concentrados mecánicos de anatásio.
DE102006020840B4 (de) * 2006-05-04 2010-08-12 Krause-Röhm-Systeme Ag Verfahren zur Gewinnung von Magnetit
DE102006020841A1 (de) * 2006-05-04 2007-11-08 Krause-Röhm-Systeme Ag Verfahren zur Wertstoffgewinnung
GR20090100008A (el) * 2009-01-12 2010-09-09 Νικολαος Παπαδοπουλος Μεθοδος αποκτησης εκμεταλλευσιμων προϊοντων απο το στερεο αποβλητο της ερυθρας ιλυος
US20150203362A1 (en) * 2011-01-18 2015-07-23 Mohsen Amiran Methods for Recovering Magnetite from Bauxite Residue
CN102628097B (zh) * 2012-04-28 2014-06-18 北京科技大学 一种流化床还原磁化处理赤泥制备铁精粉的方法
WO2013192422A1 (en) * 2012-06-20 2013-12-27 Magnetation, Inc. Process for wet high intensity magnetic separation with flux amplifying matrix
US10273561B2 (en) * 2013-10-21 2019-04-30 Peloton Resources Pty Ltd Deriving high value products from waste red mud
CN103614547B (zh) * 2013-11-28 2014-12-17 中南大学 一种从一水硬铝石型铝土矿中分离铁铝硅的方法
AU2015353691A1 (en) * 2014-11-24 2017-07-06 Gmr, Llc Particle separation in method for recovering magnetite from bauxite residue
CN104593601A (zh) * 2014-12-26 2015-05-06 济源市金诚科技有限公司 半铁砂废料中铁的回收利用工艺
CN105331837B (zh) * 2015-12-01 2017-05-03 中南大学 一种从赤泥中富集钪的方法
CN105907948B (zh) * 2016-06-27 2017-12-01 东北大学 低品位含铬型钒钛磁铁矿金属化球团磁选分离的方法
CN106623356B (zh) * 2016-11-23 2019-05-03 贵州省过程工业技术研究中心 一种赤泥的回收方法
CN107130103A (zh) * 2017-06-30 2017-09-05 江苏省冶金设计院有限公司 赤铁矿型难选矿和废渣的处理系统以及处理方法
CN108251635A (zh) * 2018-01-16 2018-07-06 东北大学 一种含钛钒的赤铁矿中钛钒矿物分离选矿方法
US10851007B1 (en) * 2019-08-06 2020-12-01 Red Mud Enterprises Llc System for processing Red Mud and method of processing Red Mud
US12365954B2 (en) * 2019-08-06 2025-07-22 Red Mud Enterprises Llc System for processing red mud and method of processing red mud
CN111233016B (zh) * 2020-02-24 2025-07-15 河北科技大学 一种从中低品位含铝原料中提取氧化铝的方法
CN112191374A (zh) * 2020-09-07 2021-01-08 中铝矿业有限公司 一种提高成品矿浆细度的方法以及单锥角旋流器
CN112390275A (zh) * 2020-12-01 2021-02-23 邱映春 一种低硅三水铝石矿处理工艺
BR102020026102B8 (pt) * 2020-12-18 2023-02-14 Lorintech Tecnologia S A Processo de recuperação de materiais de resíduo de bauxita
CN114438310A (zh) * 2022-01-20 2022-05-06 酒泉钢铁(集团)有限责任公司 一种赤泥悬浮磁化焙烧-磨选生产铁精矿工艺
WO2025107076A1 (en) * 2023-11-21 2025-05-30 Grön Holding Corp. Wastewater treatment systems and methods using activated bauxite residue (abr)
CN119197106B (zh) * 2024-11-19 2025-04-08 中国科学院过程工程研究所 一种钛铁矿高温快速流态化磁化焙烧系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3194757A (en) * 1965-07-13 Process for clarifying red muds
US3198622A (en) * 1962-03-05 1965-08-03 Pompey Acieries Chemical-physical treatment of ores, and/or ore residues
US1865869A (en) * 1926-08-10 1932-07-05 Kaiser Wilhelm Inst Fur Eisenf Process for the magnetic treatment of iron ores
US2375342A (en) * 1942-05-18 1945-05-08 Aluminum Co Of America Extraction of alumina from ores
BE463399A (de) * 1945-03-02
US2964383A (en) * 1958-09-05 1960-12-13 Reynolds Metals Co Processing of ferruginous aluminum ores

Also Published As

Publication number Publication date
GB990403A (en) 1965-04-28
ES282047A1 (es) 1963-05-01
CH431582A (de) 1967-03-15
US3295924A (en) 1967-01-03

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