EA202092887A1 - Способ управления концентрацией примесей в байеровских растворах - Google Patents

Способ управления концентрацией примесей в байеровских растворах

Info

Publication number
EA202092887A1
EA202092887A1 EA202092887A EA202092887A EA202092887A1 EA 202092887 A1 EA202092887 A1 EA 202092887A1 EA 202092887 A EA202092887 A EA 202092887A EA 202092887 A EA202092887 A EA 202092887A EA 202092887 A1 EA202092887 A1 EA 202092887A1
Authority
EA
Eurasian Patent Office
Prior art keywords
control
impurity concentration
bayer
solutions
bayer solutions
Prior art date
Application number
EA202092887A
Other languages
English (en)
Inventor
Энтони Джон Маккиннон
Бронуин Ларнер
Шэннон Дай
Original Assignee
Алкоа Оф Острэйлиа Лимитед
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 AU2018901884A external-priority patent/AU2018901884A0/en
Application filed by Алкоа Оф Острэйлиа Лимитед filed Critical Алкоа Оф Острэйлиа Лимитед
Publication of EA202092887A1 publication Critical patent/EA202092887A1/ru

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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • 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
    • C01F7/16—Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/162—Magnesium 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
    • C01F7/16—Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/164—Calcium aluminates
    • 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
    • C22B21/00—Obtaining aluminium
    • C22B21/0015—Obtaining aluminium by wet 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/02—Crystallisation from solutions
    • 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
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/08—Intercalated structures, i.e. with atoms or molecules intercalated in their structure
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/20—Two-dimensional structures
    • C01P2002/22—Two-dimensional structures layered hydroxide-type, e.g. of the hydrotalcite-type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

Способ управления концентрацией примесей в байеровских растворах, содержащий стадии добавления оксида и/или гидроксида металла, отличающегося от алюминия, к байеровскому раствору с желаемой ТА для формирования слоистого двойного гидроксида; и включения по меньшей мере одной примеси в упомянутый слоистый двойной гидроксид, в котором примеси выбираются из группы, содержащей фосфор, ванадий и кремний.
EA202092887A 2018-05-28 2019-05-17 Способ управления концентрацией примесей в байеровских растворах EA202092887A1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2018901884A AU2018901884A0 (en) 2018-05-28 Method for Controlling the Concentration of Impurities in Bayer Liquors
PCT/AU2019/050477 WO2019227128A1 (en) 2018-05-28 2019-05-17 Method for controlling the concentration of impurities in bayer liquors

Publications (1)

Publication Number Publication Date
EA202092887A1 true EA202092887A1 (ru) 2021-02-20

Family

ID=68696547

Family Applications (1)

Application Number Title Priority Date Filing Date
EA202092887A EA202092887A1 (ru) 2018-05-28 2019-05-17 Способ управления концентрацией примесей в байеровских растворах

Country Status (8)

Country Link
US (1) US20210070624A1 (ru)
EP (1) EP3802428A4 (ru)
CN (1) CN112203982A (ru)
AU (1) AU2019275940A1 (ru)
BR (1) BR112020023601A2 (ru)
CA (1) CA3100733A1 (ru)
EA (1) EA202092887A1 (ru)
WO (1) WO2019227128A1 (ru)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518431C3 (de) * 1975-04-25 1982-02-04 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfarhen zur Entfernung der schädlichen organischen Verbindungen aus der bei der Tonerdegewinnung nach dem Bayer-Verfarhen anfallenden Aluminatlauge
EP0188268A3 (de) * 1985-01-17 1990-01-31 Alcoa Chemie GmbH Verfahren zur Herstellung von Aluminiumhydroxid mit niedrigem Gehalt an Verunreinigungen, insbesondere an Eisen, und hohem Weissgrad
US5068095A (en) * 1986-07-31 1991-11-26 Aluminum Company Of America Method for reducing the amount of colorants in a caustic liquor
US5624646A (en) * 1993-10-14 1997-04-29 Aluminum Company Of America Method for improving the brightness of aluminum hydroxide
GB9726117D0 (en) * 1997-12-11 1998-02-11 Isis Innovation Process for producing alumina
ES2317703T3 (es) * 1998-09-25 2009-04-16 Bhp Billiton Worsley Alumina Pty Ltd Proceso para la caustificacion de lejias bayer.
AUPP933499A0 (en) * 1999-03-19 1999-04-15 Worsley Alumina Pty Ltd Process for the removal of oxalate and/or sulphate from bayer liquors
AUPP998299A0 (en) * 1999-04-23 1999-05-20 Alcoa Of Australia Limited Method for causticisation of alkaline solutions
AUPR437001A0 (en) * 2001-04-11 2001-05-17 Worsley Alumina Pty Ltd Process for the removal of anionic impurities from caustic aluminate solutions
CA2597086A1 (en) * 2005-02-11 2006-08-17 Billiton Aluminium Australia Pty Ltd Alumina recovery
WO2013131118A1 (en) * 2012-03-07 2013-09-12 Bhp Billiton Worsley Alumina Pty Ltd High temperature processs for causticisation of a bayer liquor
AU2013202654B1 (en) * 2012-11-07 2014-04-03 Rio Tinto Alcan International Limited Treatment of alkaline bauxite residue

Also Published As

Publication number Publication date
WO2019227128A1 (en) 2019-12-05
US20210070624A1 (en) 2021-03-11
CN112203982A (zh) 2021-01-08
EP3802428A4 (en) 2022-03-23
AU2019275940A1 (en) 2020-12-10
EP3802428A1 (en) 2021-04-14
CA3100733A1 (en) 2019-12-05
BR112020023601A2 (pt) 2021-02-09

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