DK2916922T3 - Behandling af alkalisk bauxitrest - Google Patents

Behandling af alkalisk bauxitrest Download PDF

Info

Publication number
DK2916922T3
DK2916922T3 DK13853685T DK13853685T DK2916922T3 DK 2916922 T3 DK2916922 T3 DK 2916922T3 DK 13853685 T DK13853685 T DK 13853685T DK 13853685 T DK13853685 T DK 13853685T DK 2916922 T3 DK2916922 T3 DK 2916922T3
Authority
DK
Denmark
Prior art keywords
bauxitrest
alkalic
treatment
alkalic bauxitrest
Prior art date
Application number
DK13853685T
Other languages
English (en)
Inventor
John Victor Anderson
Jean-Marc Rousseaux
Guy Peloquin
Ben O'brien
Original Assignee
Rio Tinto Alcan Int Ltd
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
Priority claimed from AU2012904908A external-priority patent/AU2012904908A0/en
Application filed by Rio Tinto Alcan Int Ltd filed Critical Rio Tinto Alcan Int Ltd
Application granted granted Critical
Publication of DK2916922T3 publication Critical patent/DK2916922T3/da

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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/33—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
    • 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
    • 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
    • C01F7/78—Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen
    • C01F7/784—Layered double hydroxide, e.g. comprising nitrate, sulfate or carbonate ions as intercalating anions
    • C01F7/785—Hydrotalcite
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • 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
    • C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20—Organic substances
    • A62D2101/24—Organic substances containing heavy metals
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
    • 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
    • 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
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DK13853685T 2012-11-07 2013-10-21 Behandling af alkalisk bauxitrest DK2916922T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2012904908A AU2012904908A0 (en) 2012-11-07 Treatment of alkaline bauxite residue
PCT/CA2013/050792 WO2014071513A1 (en) 2012-11-07 2013-10-21 Treatment of alkaline bauxite residue

Publications (1)

Publication Number Publication Date
DK2916922T3 true DK2916922T3 (da) 2019-10-28

Family

ID=50389612

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13853685T DK2916922T3 (da) 2012-11-07 2013-10-21 Behandling af alkalisk bauxitrest

Country Status (9)

Country Link
US (1) US10494280B2 (da)
EP (1) EP2916922B1 (da)
CN (1) CN104780982B (da)
AU (1) AU2013202654B1 (da)
BR (1) BR112015010093B1 (da)
DK (1) DK2916922T3 (da)
ES (1) ES2753230T3 (da)
UA (1) UA117358C2 (da)
WO (1) WO2014071513A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106663830B (zh) * 2014-04-13 2019-07-05 奥科宁克有限公司 用于碱水溶液再生的系统和方法
WO2019227128A1 (en) * 2018-05-28 2019-12-05 Alcoa Of Australia Limited Method for controlling the concentration of impurities in bayer liquors
WO2019227130A1 (en) * 2018-05-28 2019-12-05 Alcoa Of Australia Limited Method for impurity control
US10913685B1 (en) * 2020-03-06 2021-02-09 Dimtov Corp. Comprehensive mineral supplement

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228017A (en) * 1936-02-03 1941-01-07 American Centrifugal Corp Sewage disposal
US3954606A (en) * 1973-11-12 1976-05-04 Air Products And Chemicals, Inc. Wastewater treatment system with controlled mixing
US4525280A (en) * 1983-08-29 1985-06-25 Texaco Inc. Process for separating a water dispersion of ash, slag and char particulate matter
GB9118560D0 (en) * 1991-08-30 1991-10-16 Pirtferm Ltd Process for degrading organic matter
JP2658771B2 (ja) * 1991-12-27 1997-09-30 日本軽金属株式会社 赤泥の沈降分離における赤泥沈降助剤の添加方法
US5672280A (en) * 1995-05-26 1997-09-30 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Natural Resources Multiple stage precipitation of heavy metals from acidic aqueous solution
AUPR105400A0 (en) * 2000-10-27 2000-11-23 Nauveau Technology Investments Ltd Processes and compositions for water treatment
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
WO2005087664A1 (ja) * 2004-03-16 2005-09-22 Waseda University ハイドロタルサイト様物質およびその製造方法、ならびに有害物質の固定化方法
CN100453189C (zh) * 2006-10-24 2009-01-21 沈阳铝镁设计研究院 一种赤泥的堆存方法
CN100579648C (zh) * 2006-12-20 2010-01-13 中国科学院生态环境研究中心 海水改性赤泥陶粒除砷吸附剂的制备及应用方法
AU2008242419B2 (en) * 2007-04-20 2013-03-28 Cytec Technology Corp. Use of silicon-containing polymers to improve red mud flocculation in the Bayer process
US11919792B2 (en) * 2011-09-21 2024-03-05 Ostara Nutrient Recovery Technologies Inc. Treatment of phosphate-containing wastewater with fluorosilicate and phosphate recovery

Also Published As

Publication number Publication date
EP2916922A4 (en) 2016-06-08
CN104780982A (zh) 2015-07-15
AU2013202654B1 (en) 2014-04-03
EP2916922B1 (en) 2019-07-31
CN104780982B (zh) 2021-05-11
US20150284278A1 (en) 2015-10-08
UA117358C2 (uk) 2018-07-25
US10494280B2 (en) 2019-12-03
BR112015010093A2 (pt) 2017-08-15
WO2014071513A1 (en) 2014-05-15
EP2916922A1 (en) 2015-09-16
BR112015010093B1 (pt) 2021-08-17
ES2753230T3 (es) 2020-04-07

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