BR112014021588B1 - processo de causticação de alta temperatura para a causticação de um licor de processo bayer - Google Patents

processo de causticação de alta temperatura para a causticação de um licor de processo bayer Download PDF

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Publication number
BR112014021588B1
BR112014021588B1 BR112014021588-0A BR112014021588A BR112014021588B1 BR 112014021588 B1 BR112014021588 B1 BR 112014021588B1 BR 112014021588 A BR112014021588 A BR 112014021588A BR 112014021588 B1 BR112014021588 B1 BR 112014021588B1
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BR
Brazil
Prior art keywords
fact
bayer
liquor
reaction
bayer process
Prior art date
Application number
BR112014021588-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Steven Philip Rosenberg
Darrel James Wilson
Daniel Mark Roworth
Original Assignee
South32 Worsley Alumina Pty 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
Application filed by South32 Worsley Alumina Pty Ltd filed Critical South32 Worsley Alumina Pty Ltd
Publication of BR112014021588B1 publication Critical patent/BR112014021588B1/pt

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    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
BR112014021588-0A 2012-03-07 2012-03-07 processo de causticação de alta temperatura para a causticação de um licor de processo bayer BR112014021588B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AU2012/000235 WO2013131118A1 (en) 2012-03-07 2012-03-07 High temperature processs for causticisation of a bayer liquor

Publications (1)

Publication Number Publication Date
BR112014021588B1 true BR112014021588B1 (pt) 2020-10-13

Family

ID=49115774

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014021588-0A BR112014021588B1 (pt) 2012-03-07 2012-03-07 processo de causticação de alta temperatura para a causticação de um licor de processo bayer

Country Status (3)

Country Link
CN (1) CN104203826B (zh)
BR (1) BR112014021588B1 (zh)
WO (1) WO2013131118A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3802428A4 (en) * 2018-05-28 2022-03-23 Alcoa of Australia Limited PROCEDURE FOR CONTROLLING THE CONCENTRATION OF IMPURITIES IN BAYER LIQUIDS
EP3802429A4 (en) * 2018-05-28 2022-03-23 Alcoa of Australia Limited IMPURITY CONTROL METHOD

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522605A (en) * 1949-05-13 1950-09-19 Kaiser Aluminium Chem Corp Process for extraction of alumina from aluminous ores
DE69943304D1 (de) * 1998-09-25 2011-05-05 Bhp Billiton Worsley Alumina Pty Ltd Verbesserte Bayer-Kaustifizierung
AUPP998299A0 (en) * 1999-04-23 1999-05-20 Alcoa Of Australia Limited Method for causticisation of alkaline solutions
CN1810647A (zh) * 2006-02-22 2006-08-02 沈阳铝镁设计研究院 一种拜耳法生产氧化铝中的苛化工艺

Also Published As

Publication number Publication date
WO2013131118A1 (en) 2013-09-12
CN104203826A (zh) 2014-12-10
CN104203826B (zh) 2018-03-16

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: SOUTH32 WORSLEY ALUMINA PTY LTD (AU)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 07/03/2012, OBSERVADAS AS CONDICOES LEGAIS.