BRPI0808610A2 - "Bohemite precipitation method from a bayer process solution" - Google Patents

"Bohemite precipitation method from a bayer process solution"

Info

Publication number
BRPI0808610A2
BRPI0808610A2 BRPI0808610A BRPI0808610A BRPI0808610A2 BR PI0808610 A2 BRPI0808610 A2 BR PI0808610A2 BR PI0808610 A BRPI0808610 A BR PI0808610A BR PI0808610 A BRPI0808610 A BR PI0808610A BR PI0808610 A2 BRPI0808610 A2 BR PI0808610A2
Authority
BR
Brazil
Prior art keywords
bohemite
precipitation method
bayer process
process solution
bayer
Prior art date
Application number
BRPI0808610A
Other languages
Portuguese (pt)
Inventor
John Besida
Original Assignee
Alcoa Australia
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 AU2007901621A external-priority patent/AU2007901621A0/en
Application filed by Alcoa Australia filed Critical Alcoa Australia
Publication of BRPI0808610A2 publication Critical patent/BRPI0808610A2/en

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
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • 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
    • C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BRPI0808610A 2007-03-27 2008-03-27 "Bohemite precipitation method from a bayer process solution" BRPI0808610A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2007901621A AU2007901621A0 (en) 2007-03-27 Method for Precipitating Boehmite
PCT/AU2008/000421 WO2008116259A1 (en) 2007-03-27 2008-03-27 Method for precipitating boehmite

Publications (1)

Publication Number Publication Date
BRPI0808610A2 true BRPI0808610A2 (en) 2016-10-11

Family

ID=39787964

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0808610A BRPI0808610A2 (en) 2007-03-27 2008-03-27 "Bohemite precipitation method from a bayer process solution"

Country Status (4)

Country Link
CN (1) CN101657384A (en)
AU (1) AU2008232308A1 (en)
BR (1) BRPI0808610A2 (en)
WO (1) WO2008116259A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010144956A1 (en) * 2009-06-16 2010-12-23 Alcoa World Alumina Australia Method for increasing the stability of a bayer process liquor
WO2012145797A1 (en) * 2011-04-29 2012-11-01 Commonwealth Scientific And Industrial Research Organisation Recovery of soda from bauxite residue
CN103449486B (en) * 2013-08-29 2015-05-06 中国科学院过程工程研究所 Method for preparing boehmite by liquid phase carbonating decomposition of sodium aluminate solution and sodium bicarbonate
CN104003429B (en) * 2014-06-14 2015-09-30 中国科学院过程工程研究所 A kind of method utilizing Bayer-process seed-separating mother liquor to prepare boehmite
CN106673037B (en) * 2015-11-11 2017-12-15 中国石油化工股份有限公司 A kind of preparation method of boehmite
CN105347373B (en) * 2015-11-20 2017-05-24 中国石油化工股份有限公司 Preparation method of pseudo-boehmite
CN105347375B (en) * 2015-11-20 2017-05-24 中国石油化工股份有限公司 Production device of pseudo-boehmite and method thereof
CN112573552B (en) * 2020-12-27 2022-02-01 中南大学 Method for preparing boehmite by using high-silicon aluminum-containing material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581207A (en) * 1982-12-27 1986-04-08 Aluminum Company Of America Recovery of aluminum from spent liquor
AU666209B2 (en) * 1992-07-29 1996-02-01 Alcan International Limited Digestion of bauxite
GR1002926B (en) * 1997-06-24 1998-06-16 Universite Libre De Bruxelles Service D'exploitation Des Mines... PROCESS FOR PRODUCTION OF MONOHYDRATE ALUMINA WITH PRESIPITATION FROM SUPERSATURATED ALUMINATE SOLUTIONS AT TEMPERATURES LOWER THAN 100 o C
US6322702B1 (en) * 1999-09-23 2001-11-27 U.T. Battlle, Llc Solvent and process for recovery of hydroxide from aqueous mixtures

Also Published As

Publication number Publication date
WO2008116259A1 (en) 2008-10-02
CN101657384A (en) 2010-02-24
AU2008232308A1 (en) 2008-10-02

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]